{
  "check_constraints": [
    {
      "constraint": "2200_16679_1_not_null",
      "definition": "event_id IS NOT NULL",
      "table": "calendar_event"
    },
    {
      "constraint": "2200_16679_2_not_null",
      "definition": "calendar_id IS NOT NULL",
      "table": "calendar_event"
    },
    {
      "constraint": "2200_16679_3_not_null",
      "definition": "event_date IS NOT NULL",
      "table": "calendar_event"
    },
    {
      "constraint": "2200_16679_4_not_null",
      "definition": "kind IS NOT NULL",
      "table": "calendar_event"
    },
    {
      "constraint": "2200_16679_9_not_null",
      "definition": "created_at IS NOT NULL",
      "table": "calendar_event"
    },
    {
      "constraint": "2200_16567_1_not_null",
      "definition": "action_id IS NOT NULL",
      "table": "corporate_action"
    },
    {
      "constraint": "2200_16567_2_not_null",
      "definition": "instrument_id IS NOT NULL",
      "table": "corporate_action"
    },
    {
      "constraint": "2200_16567_3_not_null",
      "definition": "action_type IS NOT NULL",
      "table": "corporate_action"
    },
    {
      "constraint": "2200_16567_4_not_null",
      "definition": "ex_date IS NOT NULL",
      "table": "corporate_action"
    },
    {
      "constraint": "2200_16696_19_not_null",
      "definition": "status IS NOT NULL",
      "table": "daily_quality_report"
    },
    {
      "constraint": "2200_16696_1_not_null",
      "definition": "report_id IS NOT NULL",
      "table": "daily_quality_report"
    },
    {
      "constraint": "2200_16696_23_not_null",
      "definition": "generated_at IS NOT NULL",
      "table": "daily_quality_report"
    },
    {
      "constraint": "2200_16696_2_not_null",
      "definition": "instrument_id IS NOT NULL",
      "table": "daily_quality_report"
    },
    {
      "constraint": "2200_16696_3_not_null",
      "definition": "provider_id IS NOT NULL",
      "table": "daily_quality_report"
    },
    {
      "constraint": "2200_16696_4_not_null",
      "definition": "report_date IS NOT NULL",
      "table": "daily_quality_report"
    },
    {
      "constraint": "2200_16613_1_not_null",
      "definition": "gap_id IS NOT NULL",
      "table": "data_gap"
    },
    {
      "constraint": "2200_16613_2_not_null",
      "definition": "provider_id IS NOT NULL",
      "table": "data_gap"
    },
    {
      "constraint": "2200_16613_3_not_null",
      "definition": "instrument_id IS NOT NULL",
      "table": "data_gap"
    },
    {
      "constraint": "2200_16613_4_not_null",
      "definition": "timeframe IS NOT NULL",
      "table": "data_gap"
    },
    {
      "constraint": "2200_16613_5_not_null",
      "definition": "start_utc IS NOT NULL",
      "table": "data_gap"
    },
    {
      "constraint": "2200_16613_6_not_null",
      "definition": "end_utc IS NOT NULL",
      "table": "data_gap"
    },
    {
      "constraint": "2200_16613_7_not_null",
      "definition": "kind IS NOT NULL",
      "table": "data_gap"
    },
    {
      "constraint": "2200_16613_8_not_null",
      "definition": "backfilled IS NOT NULL",
      "table": "data_gap"
    },
    {
      "constraint": "2200_16588_10_not_null",
      "definition": "started_at IS NOT NULL",
      "table": "data_ingestion_run"
    },
    {
      "constraint": "2200_16588_1_not_null",
      "definition": "ingestion_id IS NOT NULL",
      "table": "data_ingestion_run"
    },
    {
      "constraint": "2200_16588_2_not_null",
      "definition": "provider_id IS NOT NULL",
      "table": "data_ingestion_run"
    },
    {
      "constraint": "2200_16588_3_not_null",
      "definition": "instrument_id IS NOT NULL",
      "table": "data_ingestion_run"
    },
    {
      "constraint": "2200_16588_4_not_null",
      "definition": "timeframe IS NOT NULL",
      "table": "data_ingestion_run"
    },
    {
      "constraint": "2200_16588_9_not_null",
      "definition": "status IS NOT NULL",
      "table": "data_ingestion_run"
    },
    {
      "constraint": "2200_16633_1_not_null",
      "definition": "issue_id IS NOT NULL",
      "table": "data_quality_issue"
    },
    {
      "constraint": "2200_16633_2_not_null",
      "definition": "instrument_id IS NOT NULL",
      "table": "data_quality_issue"
    },
    {
      "constraint": "2200_16633_3_not_null",
      "definition": "timeframe IS NOT NULL",
      "table": "data_quality_issue"
    },
    {
      "constraint": "2200_16633_5_not_null",
      "definition": "severity IS NOT NULL",
      "table": "data_quality_issue"
    },
    {
      "constraint": "2200_16633_6_not_null",
      "definition": "issue_type IS NOT NULL",
      "table": "data_quality_issue"
    },
    {
      "constraint": "2200_16633_8_not_null",
      "definition": "resolved IS NOT NULL",
      "table": "data_quality_issue"
    },
    {
      "constraint": "2200_16633_9_not_null",
      "definition": "created_at IS NOT NULL",
      "table": "data_quality_issue"
    },
    {
      "constraint": "2200_16430_1_not_null",
      "definition": "dataset_id IS NOT NULL",
      "table": "dataset"
    },
    {
      "constraint": "2200_16430_2_not_null",
      "definition": "name IS NOT NULL",
      "table": "dataset"
    },
    {
      "constraint": "2200_16430_3_not_null",
      "definition": "provider_id IS NOT NULL",
      "table": "dataset"
    },
    {
      "constraint": "2200_16430_4_not_null",
      "definition": "feed_type IS NOT NULL",
      "table": "dataset"
    },
    {
      "constraint": "2200_16430_6_not_null",
      "definition": "created_at IS NOT NULL",
      "table": "dataset"
    },
    {
      "constraint": "2200_16447_10_not_null",
      "definition": "raw_source IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_11_not_null",
      "definition": "normalization_version IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_13_not_null",
      "definition": "quality_version IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_14_not_null",
      "definition": "dataset_version_hash IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_15_not_null",
      "definition": "data_as_of IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_17_not_null",
      "definition": "created_at IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_1_not_null",
      "definition": "dataset_version_id IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_23_not_null",
      "definition": "is_fixture IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_2_not_null",
      "definition": "dataset_id IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_3_not_null",
      "definition": "version_label IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_4_not_null",
      "definition": "provider_id IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_5_not_null",
      "definition": "feed_type IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_6_not_null",
      "definition": "instrument_id IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_7_not_null",
      "definition": "timeframe IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_8_not_null",
      "definition": "start_utc IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16447_9_not_null",
      "definition": "end_utc IS NOT NULL",
      "table": "dataset_version"
    },
    {
      "constraint": "2200_16508_1_not_null",
      "definition": "derived_bar_id IS NOT NULL",
      "table": "derived_bar"
    },
    {
      "constraint": "2200_16508_24_not_null",
      "definition": "quality_status IS NOT NULL",
      "table": "derived_bar"
    },
    {
      "constraint": "2200_16508_26_not_null",
      "definition": "dataset_version_id IS NOT NULL",
      "table": "derived_bar"
    },
    {
      "constraint": "2200_16508_2_not_null",
      "definition": "provider_id IS NOT NULL",
      "table": "derived_bar"
    },
    {
      "constraint": "2200_16508_3_not_null",
      "definition": "instrument_id IS NOT NULL",
      "table": "derived_bar"
    },
    {
      "constraint": "2200_16508_4_not_null",
      "definition": "feed_type IS NOT NULL",
      "table": "derived_bar"
    },
    {
      "constraint": "2200_16508_5_not_null",
      "definition": "price_basis IS NOT NULL",
      "table": "derived_bar"
    },
    {
      "constraint": "2200_16508_6_not_null",
      "definition": "timeframe IS NOT NULL",
      "table": "derived_bar"
    },
    {
      "constraint": "2200_16508_7_not_null",
      "definition": "ts_utc IS NOT NULL",
      "table": "derived_bar"
    },
    {
      "constraint": "2200_16508_8_not_null",
      "definition": "source_timeframe IS NOT NULL",
      "table": "derived_bar"
    },
    {
      "constraint": "2200_16508_9_not_null",
      "definition": "aggregation_version IS NOT NULL",
      "table": "derived_bar"
    },
    {
      "constraint": "2200_16474_1_not_null",
      "definition": "bar_id IS NOT NULL",
      "table": "historical_bar"
    },
    {
      "constraint": "2200_16474_25_not_null",
      "definition": "quality_status IS NOT NULL",
      "table": "historical_bar"
    },
    {
      "constraint": "2200_16474_28_not_null",
      "definition": "ingested_at IS NOT NULL",
      "table": "historical_bar"
    },
    {
      "constraint": "2200_16474_29_not_null",
      "definition": "dataset_version_id IS NOT NULL",
      "table": "historical_bar"
    },
    {
      "constraint": "2200_16474_2_not_null",
      "definition": "provider_id IS NOT NULL",
      "table": "historical_bar"
    },
    {
      "constraint": "2200_16474_3_not_null",
      "definition": "instrument_id IS NOT NULL",
      "table": "historical_bar"
    },
    {
      "constraint": "2200_16474_4_not_null",
      "definition": "feed_type IS NOT NULL",
      "table": "historical_bar"
    },
    {
      "constraint": "2200_16474_5_not_null",
      "definition": "price_basis IS NOT NULL",
      "table": "historical_bar"
    },
    {
      "constraint": "2200_16474_6_not_null",
      "definition": "timeframe IS NOT NULL",
      "table": "historical_bar"
    },
    {
      "constraint": "2200_16474_7_not_null",
      "definition": "ts_utc IS NOT NULL",
      "table": "historical_bar"
    },
    {
      "constraint": "2200_16474_8_not_null",
      "definition": "raw_or_derived IS NOT NULL",
      "table": "historical_bar"
    },
    {
      "constraint": "2200_16539_10_not_null",
      "definition": "dataset_version_id IS NOT NULL",
      "table": "historical_tick"
    },
    {
      "constraint": "2200_16539_1_not_null",
      "definition": "tick_id IS NOT NULL",
      "table": "historical_tick"
    },
    {
      "constraint": "2200_16539_2_not_null",
      "definition": "provider_id IS NOT NULL",
      "table": "historical_tick"
    },
    {
      "constraint": "2200_16539_3_not_null",
      "definition": "instrument_id IS NOT NULL",
      "table": "historical_tick"
    },
    {
      "constraint": "2200_16539_4_not_null",
      "definition": "feed_type IS NOT NULL",
      "table": "historical_tick"
    },
    {
      "constraint": "2200_16539_5_not_null",
      "definition": "ts_utc IS NOT NULL",
      "table": "historical_tick"
    },
    {
      "constraint": "2200_16741_10_not_null",
      "definition": "asset_class IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_11_not_null",
      "definition": "request_start IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_12_not_null",
      "definition": "request_end IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_13_not_null",
      "definition": "actual_start IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_14_not_null",
      "definition": "actual_end IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_15_not_null",
      "definition": "request_timestamp IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_16_not_null",
      "definition": "response_timestamp IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_17_not_null",
      "definition": "http_status IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_1_not_null",
      "definition": "provenance_id IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_20_not_null",
      "definition": "raw_payload_sha256 IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_21_not_null",
      "definition": "raw_content_length IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_22_not_null",
      "definition": "compression IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_24_not_null",
      "definition": "parser_version IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_25_not_null",
      "definition": "adapter_version IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_26_not_null",
      "definition": "normalization_version IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_27_not_null",
      "definition": "timezone_source IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_28_not_null",
      "definition": "timezone_target IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_29_not_null",
      "definition": "timezone_transform_version IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_2_not_null",
      "definition": "ingestion_run_id IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_30_not_null",
      "definition": "price_type IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_31_not_null",
      "definition": "granularity IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_32_not_null",
      "definition": "correction_status IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_33_not_null",
      "definition": "license_class IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_34_not_null",
      "definition": "software_git_commit IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_35_not_null",
      "definition": "software_image_id IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_37_not_null",
      "definition": "request_identity_hash IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_3_not_null",
      "definition": "provider_id IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_41_not_null",
      "definition": "created_at IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_4_not_null",
      "definition": "provider_name_snapshot IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_5_not_null",
      "definition": "provider_environment_class IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_6_not_null",
      "definition": "provider_dataset IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_7_not_null",
      "definition": "provider_feed IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_8_not_null",
      "definition": "provider_instrument_id IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16741_9_not_null",
      "definition": "canonical_instrument_id IS NOT NULL",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "chk_prov_actual_range",
      "definition": "((actual_end >= actual_start))",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "chk_prov_compression",
      "definition": "((compression = ANY (ARRAY['none'::text, 'lzma'::text, 'gzip'::text, 'zstd'::text, 'deflate'::text, 'unknown'::text])))",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "chk_prov_content_length",
      "definition": "((raw_content_length >= 0))",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "chk_prov_correction",
      "definition": "((correction_status = ANY (ARRAY['ORIGINAL'::text, 'CORRECTED'::text, 'SUPERSEDED'::text, 'UNKNOWN'::text])))",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "chk_prov_env_class",
      "definition": "((provider_environment_class = ANY (ARRAY['PROD'::text, 'SANDBOX'::text, 'TEST'::text, 'UNKNOWN'::text])))",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "chk_prov_http_status",
      "definition": "(((http_status >= 100) AND (http_status <= 599)))",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "chk_prov_license",
      "definition": "((license_class = ANY (ARRAY['UNKNOWN'::text, 'PRIVATE_INTERNAL'::text, 'INTERNAL_DERIVED_ALLOWED'::text, 'STORAGE_RESTRICTED'::text, 'REDISTRIBUTION_RESTRICTED'::text, 'EXPIRED'::text, 'REVOKED'::text])))",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "chk_prov_price_type",
      "definition": "((price_type = ANY (ARRAY['bid'::text, 'ask'::text, 'mid'::text, 'bid_ask'::text, 'last'::text, 'unknown'::text])))",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "chk_prov_sha256",
      "definition": "((raw_payload_sha256 ~ '^[0-9a-f]{64}$'::text))",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "chk_prov_time_range",
      "definition": "((request_end >= request_start))",
      "table": "ingestion_provenance"
    },
    {
      "constraint": "2200_16386_12_not_null",
      "definition": "active IS NOT NULL",
      "table": "instrument"
    },
    {
      "constraint": "2200_16386_13_not_null",
      "definition": "created_at IS NOT NULL",
      "table": "instrument"
    },
    {
      "constraint": "2200_16386_1_not_null",
      "definition": "instrument_id IS NOT NULL",
      "table": "instrument"
    },
    {
      "constraint": "2200_16386_2_not_null",
      "definition": "symbol IS NOT NULL",
      "table": "instrument"
    },
    {
      "constraint": "2200_16386_3_not_null",
      "definition": "asset_class IS NOT NULL",
      "table": "instrument"
    },
    {
      "constraint": "2200_16667_12_not_null",
      "definition": "calendar_version IS NOT NULL",
      "table": "market_calendar"
    },
    {
      "constraint": "2200_16667_13_not_null",
      "definition": "created_at IS NOT NULL",
      "table": "market_calendar"
    },
    {
      "constraint": "2200_16667_1_not_null",
      "definition": "calendar_id IS NOT NULL",
      "table": "market_calendar"
    },
    {
      "constraint": "2200_16667_2_not_null",
      "definition": "calendar_name IS NOT NULL",
      "table": "market_calendar"
    },
    {
      "constraint": "2200_16667_3_not_null",
      "definition": "asset_class IS NOT NULL",
      "table": "market_calendar"
    },
    {
      "constraint": "2200_16667_5_not_null",
      "definition": "timezone IS NOT NULL",
      "table": "market_calendar"
    },
    {
      "constraint": "2200_16399_1_not_null",
      "definition": "provider_id IS NOT NULL",
      "table": "provider"
    },
    {
      "constraint": "2200_16399_2_not_null",
      "definition": "provider_key IS NOT NULL",
      "table": "provider"
    },
    {
      "constraint": "2200_16399_3_not_null",
      "definition": "name IS NOT NULL",
      "table": "provider"
    },
    {
      "constraint": "2200_16399_4_not_null",
      "definition": "data_type IS NOT NULL",
      "table": "provider"
    },
    {
      "constraint": "2200_16409_1_not_null",
      "definition": "provider_id IS NOT NULL",
      "table": "provider_instrument"
    },
    {
      "constraint": "2200_16409_2_not_null",
      "definition": "instrument_id IS NOT NULL",
      "table": "provider_instrument"
    },
    {
      "constraint": "2200_16409_3_not_null",
      "definition": "provider_symbol IS NOT NULL",
      "table": "provider_instrument"
    },
    {
      "constraint": "2200_16409_6_not_null",
      "definition": "active IS NOT NULL",
      "table": "provider_instrument"
    }
  ],
  "columns": [
    {
      "column": "event_id",
      "default": "nextval('calendar_event_event_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "calendar_event",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "calendar_id",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "calendar_event",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "event_date",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "calendar_event",
      "type": "date",
      "udt": "date"
    },
    {
      "column": "kind",
      "default": null,
      "nullable": false,
      "ordinal": 4,
      "table": "calendar_event",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "reason",
      "default": null,
      "nullable": true,
      "ordinal": 5,
      "table": "calendar_event",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "session_phase_override",
      "default": null,
      "nullable": true,
      "ordinal": 6,
      "table": "calendar_event",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "source",
      "default": null,
      "nullable": true,
      "ordinal": 7,
      "table": "calendar_event",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "notes",
      "default": null,
      "nullable": true,
      "ordinal": 8,
      "table": "calendar_event",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "created_at",
      "default": "now()",
      "nullable": false,
      "ordinal": 9,
      "table": "calendar_event",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "action_id",
      "default": "nextval('corporate_action_action_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "corporate_action",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "instrument_id",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "corporate_action",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "action_type",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "corporate_action",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "ex_date",
      "default": null,
      "nullable": false,
      "ordinal": 4,
      "table": "corporate_action",
      "type": "date",
      "udt": "date"
    },
    {
      "column": "ratio_num",
      "default": null,
      "nullable": true,
      "ordinal": 5,
      "table": "corporate_action",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "ratio_denom",
      "default": null,
      "nullable": true,
      "ordinal": 6,
      "table": "corporate_action",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "dividend",
      "default": null,
      "nullable": true,
      "ordinal": 7,
      "table": "corporate_action",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "currency",
      "default": null,
      "nullable": true,
      "ordinal": 8,
      "table": "corporate_action",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "provider_id",
      "default": null,
      "nullable": true,
      "ordinal": 9,
      "table": "corporate_action",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "report_id",
      "default": "nextval('daily_quality_report_report_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "daily_quality_report",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "instrument_id",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "daily_quality_report",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "provider_id",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "daily_quality_report",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "report_date",
      "default": null,
      "nullable": false,
      "ordinal": 4,
      "table": "daily_quality_report",
      "type": "date",
      "udt": "date"
    },
    {
      "column": "feed_type",
      "default": "'REFERENCE'::text",
      "nullable": true,
      "ordinal": 5,
      "table": "daily_quality_report",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "expected_m1",
      "default": null,
      "nullable": true,
      "ordinal": 6,
      "table": "daily_quality_report",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "received_m1",
      "default": null,
      "nullable": true,
      "ordinal": 7,
      "table": "daily_quality_report",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "eligible",
      "default": null,
      "nullable": true,
      "ordinal": 8,
      "table": "daily_quality_report",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "excluded",
      "default": null,
      "nullable": true,
      "ordinal": 9,
      "table": "daily_quality_report",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "conditional",
      "default": null,
      "nullable": true,
      "ordinal": 10,
      "table": "daily_quality_report",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "stale_count",
      "default": null,
      "nullable": true,
      "ordinal": 11,
      "table": "daily_quality_report",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "zero_volume",
      "default": null,
      "nullable": true,
      "ordinal": 12,
      "table": "daily_quality_report",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "spread_median_price",
      "default": null,
      "nullable": true,
      "ordinal": 13,
      "table": "daily_quality_report",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "spread_p95_price",
      "default": null,
      "nullable": true,
      "ordinal": 14,
      "table": "daily_quality_report",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "spread_p99_price",
      "default": null,
      "nullable": true,
      "ordinal": 15,
      "table": "daily_quality_report",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "gaps_count",
      "default": null,
      "nullable": true,
      "ordinal": 16,
      "table": "daily_quality_report",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "coverage_ratio",
      "default": null,
      "nullable": true,
      "ordinal": 17,
      "table": "daily_quality_report",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "session_anomalies",
      "default": null,
      "nullable": true,
      "ordinal": 18,
      "table": "daily_quality_report",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "status",
      "default": null,
      "nullable": false,
      "ordinal": 19,
      "table": "daily_quality_report",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "quality_model_version",
      "default": null,
      "nullable": true,
      "ordinal": 20,
      "table": "daily_quality_report",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "session_model_version",
      "default": null,
      "nullable": true,
      "ordinal": 21,
      "table": "daily_quality_report",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "calendar_version",
      "default": null,
      "nullable": true,
      "ordinal": 22,
      "table": "daily_quality_report",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "generated_at",
      "default": "now()",
      "nullable": false,
      "ordinal": 23,
      "table": "daily_quality_report",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "gap_id",
      "default": "nextval('data_gap_gap_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "data_gap",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "provider_id",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "data_gap",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "instrument_id",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "data_gap",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "timeframe",
      "default": null,
      "nullable": false,
      "ordinal": 4,
      "table": "data_gap",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "start_utc",
      "default": null,
      "nullable": false,
      "ordinal": 5,
      "table": "data_gap",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "end_utc",
      "default": null,
      "nullable": false,
      "ordinal": 6,
      "table": "data_gap",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "kind",
      "default": null,
      "nullable": false,
      "ordinal": 7,
      "table": "data_gap",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "backfilled",
      "default": "false",
      "nullable": false,
      "ordinal": 8,
      "table": "data_gap",
      "type": "boolean",
      "udt": "bool"
    },
    {
      "column": "filled_at",
      "default": null,
      "nullable": true,
      "ordinal": 9,
      "table": "data_gap",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "ingestion_id",
      "default": "nextval('data_ingestion_run_ingestion_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "provider_id",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "instrument_id",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "timeframe",
      "default": null,
      "nullable": false,
      "ordinal": 4,
      "table": "data_ingestion_run",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "start_utc",
      "default": null,
      "nullable": true,
      "ordinal": 5,
      "table": "data_ingestion_run",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "end_utc",
      "default": null,
      "nullable": true,
      "ordinal": 6,
      "table": "data_ingestion_run",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "rows_inserted",
      "default": "0",
      "nullable": true,
      "ordinal": 7,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "rows_skipped",
      "default": "0",
      "nullable": true,
      "ordinal": 8,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "status",
      "default": "'RUNNING'::text",
      "nullable": false,
      "ordinal": 9,
      "table": "data_ingestion_run",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "started_at",
      "default": "now()",
      "nullable": false,
      "ordinal": 10,
      "table": "data_ingestion_run",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "finished_at",
      "default": null,
      "nullable": true,
      "ordinal": 11,
      "table": "data_ingestion_run",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "checkpoint",
      "default": null,
      "nullable": true,
      "ordinal": 12,
      "table": "data_ingestion_run",
      "type": "jsonb",
      "udt": "jsonb"
    },
    {
      "column": "status_fsm",
      "default": "'PENDING'::text",
      "nullable": true,
      "ordinal": 13,
      "table": "data_ingestion_run",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "rows_downloaded",
      "default": "0",
      "nullable": true,
      "ordinal": 14,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "rows_decoded",
      "default": "0",
      "nullable": true,
      "ordinal": 15,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "rows_valid",
      "default": "0",
      "nullable": true,
      "ordinal": 16,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "rows_suspect",
      "default": "0",
      "nullable": true,
      "ordinal": 17,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "rows_excluded",
      "default": "0",
      "nullable": true,
      "ordinal": 18,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "rows_derived",
      "default": "0",
      "nullable": true,
      "ordinal": 19,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "last_successful_chunk",
      "default": null,
      "nullable": true,
      "ordinal": 20,
      "table": "data_ingestion_run",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "last_timestamp",
      "default": null,
      "nullable": true,
      "ordinal": 21,
      "table": "data_ingestion_run",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "updated_at",
      "default": "now()",
      "nullable": true,
      "ordinal": 22,
      "table": "data_ingestion_run",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "interrupt_reason",
      "default": null,
      "nullable": true,
      "ordinal": 23,
      "table": "data_ingestion_run",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "rows_existing",
      "default": "0",
      "nullable": true,
      "ordinal": 24,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "rows_deduplicated",
      "default": "0",
      "nullable": true,
      "ordinal": 25,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "rows_404",
      "default": "0",
      "nullable": true,
      "ordinal": 26,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "rows_503",
      "default": "0",
      "nullable": true,
      "ordinal": 27,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "rows_provider_unavailable",
      "default": "0",
      "nullable": true,
      "ordinal": 28,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "rows_failed",
      "default": "0",
      "nullable": true,
      "ordinal": 29,
      "table": "data_ingestion_run",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "issue_id",
      "default": "nextval('data_quality_issue_issue_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "data_quality_issue",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "instrument_id",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "data_quality_issue",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "timeframe",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "data_quality_issue",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "ts_utc",
      "default": null,
      "nullable": true,
      "ordinal": 4,
      "table": "data_quality_issue",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "severity",
      "default": null,
      "nullable": false,
      "ordinal": 5,
      "table": "data_quality_issue",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "issue_type",
      "default": null,
      "nullable": false,
      "ordinal": 6,
      "table": "data_quality_issue",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "detail",
      "default": null,
      "nullable": true,
      "ordinal": 7,
      "table": "data_quality_issue",
      "type": "jsonb",
      "udt": "jsonb"
    },
    {
      "column": "resolved",
      "default": "false",
      "nullable": false,
      "ordinal": 8,
      "table": "data_quality_issue",
      "type": "boolean",
      "udt": "bool"
    },
    {
      "column": "created_at",
      "default": "now()",
      "nullable": false,
      "ordinal": 9,
      "table": "data_quality_issue",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "dataset_id",
      "default": "nextval('dataset_dataset_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "dataset",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "name",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "dataset",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "provider_id",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "dataset",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "feed_type",
      "default": null,
      "nullable": false,
      "ordinal": 4,
      "table": "dataset",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "description",
      "default": null,
      "nullable": true,
      "ordinal": 5,
      "table": "dataset",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "created_at",
      "default": "now()",
      "nullable": false,
      "ordinal": 6,
      "table": "dataset",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "dataset_version_id",
      "default": "nextval('dataset_version_dataset_version_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "dataset_version",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "dataset_id",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "dataset_version",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "version_label",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "provider_id",
      "default": null,
      "nullable": false,
      "ordinal": 4,
      "table": "dataset_version",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "feed_type",
      "default": null,
      "nullable": false,
      "ordinal": 5,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "instrument_id",
      "default": null,
      "nullable": false,
      "ordinal": 6,
      "table": "dataset_version",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "timeframe",
      "default": null,
      "nullable": false,
      "ordinal": 7,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "start_utc",
      "default": null,
      "nullable": false,
      "ordinal": 8,
      "table": "dataset_version",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "end_utc",
      "default": null,
      "nullable": false,
      "ordinal": 9,
      "table": "dataset_version",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "raw_source",
      "default": null,
      "nullable": false,
      "ordinal": 10,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "normalization_version",
      "default": null,
      "nullable": false,
      "ordinal": 11,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "aggregation_version",
      "default": null,
      "nullable": true,
      "ordinal": 12,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "quality_version",
      "default": null,
      "nullable": false,
      "ordinal": 13,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "dataset_version_hash",
      "default": null,
      "nullable": false,
      "ordinal": 14,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "data_as_of",
      "default": null,
      "nullable": false,
      "ordinal": 15,
      "table": "dataset_version",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "notes",
      "default": null,
      "nullable": true,
      "ordinal": 16,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "created_at",
      "default": "now()",
      "nullable": false,
      "ordinal": 17,
      "table": "dataset_version",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "quality_model_version",
      "default": null,
      "nullable": true,
      "ordinal": 18,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "stale_model_version",
      "default": null,
      "nullable": true,
      "ordinal": 19,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "session_model_version",
      "default": null,
      "nullable": true,
      "ordinal": 20,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "calendar_version",
      "default": null,
      "nullable": true,
      "ordinal": 21,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "eligibility_model_version",
      "default": null,
      "nullable": true,
      "ordinal": 22,
      "table": "dataset_version",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "is_fixture",
      "default": "false",
      "nullable": false,
      "ordinal": 23,
      "table": "dataset_version",
      "type": "boolean",
      "udt": "bool"
    },
    {
      "column": "derived_bar_id",
      "default": "nextval('derived_bar_derived_bar_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "derived_bar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "provider_id",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "derived_bar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "instrument_id",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "derived_bar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "feed_type",
      "default": "'REFERENCE'::text",
      "nullable": false,
      "ordinal": 4,
      "table": "derived_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "price_basis",
      "default": "'bid_ask'::text",
      "nullable": false,
      "ordinal": 5,
      "table": "derived_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "timeframe",
      "default": null,
      "nullable": false,
      "ordinal": 6,
      "table": "derived_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "ts_utc",
      "default": null,
      "nullable": false,
      "ordinal": 7,
      "table": "derived_bar",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "source_timeframe",
      "default": null,
      "nullable": false,
      "ordinal": 8,
      "table": "derived_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "aggregation_version",
      "default": null,
      "nullable": false,
      "ordinal": 9,
      "table": "derived_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "bid_open",
      "default": null,
      "nullable": true,
      "ordinal": 10,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "bid_high",
      "default": null,
      "nullable": true,
      "ordinal": 11,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "bid_low",
      "default": null,
      "nullable": true,
      "ordinal": 12,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "bid_close",
      "default": null,
      "nullable": true,
      "ordinal": 13,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "ask_open",
      "default": null,
      "nullable": true,
      "ordinal": 14,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "ask_high",
      "default": null,
      "nullable": true,
      "ordinal": 15,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "ask_low",
      "default": null,
      "nullable": true,
      "ordinal": 16,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "ask_close",
      "default": null,
      "nullable": true,
      "ordinal": 17,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "mid_open",
      "default": null,
      "nullable": true,
      "ordinal": 18,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "mid_high",
      "default": null,
      "nullable": true,
      "ordinal": 19,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "mid_low",
      "default": null,
      "nullable": true,
      "ordinal": 20,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "mid_close",
      "default": null,
      "nullable": true,
      "ordinal": 21,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "volume",
      "default": null,
      "nullable": true,
      "ordinal": 22,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "volume_type",
      "default": "'tick'::text",
      "nullable": true,
      "ordinal": 23,
      "table": "derived_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "quality_status",
      "default": "'VALID'::text",
      "nullable": false,
      "ordinal": 24,
      "table": "derived_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "quality_flags",
      "default": null,
      "nullable": true,
      "ordinal": 25,
      "table": "derived_bar",
      "type": "ARRAY",
      "udt": "_text"
    },
    {
      "column": "dataset_version_id",
      "default": null,
      "nullable": false,
      "ordinal": 26,
      "table": "derived_bar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "expected_bar_count",
      "default": null,
      "nullable": true,
      "ordinal": 27,
      "table": "derived_bar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "actual_bar_count",
      "default": null,
      "nullable": true,
      "ordinal": 28,
      "table": "derived_bar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "eligible_bar_count",
      "default": null,
      "nullable": true,
      "ordinal": 29,
      "table": "derived_bar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "excluded_bar_count",
      "default": null,
      "nullable": true,
      "ordinal": 30,
      "table": "derived_bar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "coverage_ratio",
      "default": null,
      "nullable": true,
      "ordinal": 31,
      "table": "derived_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "aggregation_quality",
      "default": null,
      "nullable": true,
      "ordinal": 32,
      "table": "derived_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "eligibility_model_version",
      "default": "'eligibility_v1'::text",
      "nullable": true,
      "ordinal": 33,
      "table": "derived_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "session_model_version",
      "default": "'fx_session_v1'::text",
      "nullable": true,
      "ordinal": 34,
      "table": "derived_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "calendar_version",
      "default": "'fx_cal_v1'::text",
      "nullable": true,
      "ordinal": 35,
      "table": "derived_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "bar_id",
      "default": "nextval('historical_bar_bar_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "historical_bar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "provider_id",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "historical_bar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "instrument_id",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "historical_bar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "feed_type",
      "default": "'REFERENCE'::text",
      "nullable": false,
      "ordinal": 4,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "price_basis",
      "default": "'bid_ask'::text",
      "nullable": false,
      "ordinal": 5,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "timeframe",
      "default": null,
      "nullable": false,
      "ordinal": 6,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "ts_utc",
      "default": null,
      "nullable": false,
      "ordinal": 7,
      "table": "historical_bar",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "raw_or_derived",
      "default": "'raw'::text",
      "nullable": false,
      "ordinal": 8,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "source_timeframe",
      "default": null,
      "nullable": true,
      "ordinal": 9,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "aggregation_version",
      "default": null,
      "nullable": true,
      "ordinal": 10,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "bid_open",
      "default": null,
      "nullable": true,
      "ordinal": 11,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "bid_high",
      "default": null,
      "nullable": true,
      "ordinal": 12,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "bid_low",
      "default": null,
      "nullable": true,
      "ordinal": 13,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "bid_close",
      "default": null,
      "nullable": true,
      "ordinal": 14,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "ask_open",
      "default": null,
      "nullable": true,
      "ordinal": 15,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "ask_high",
      "default": null,
      "nullable": true,
      "ordinal": 16,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "ask_low",
      "default": null,
      "nullable": true,
      "ordinal": 17,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "ask_close",
      "default": null,
      "nullable": true,
      "ordinal": 18,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "mid_open",
      "default": null,
      "nullable": true,
      "ordinal": 19,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "mid_high",
      "default": null,
      "nullable": true,
      "ordinal": 20,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "mid_low",
      "default": null,
      "nullable": true,
      "ordinal": 21,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "mid_close",
      "default": null,
      "nullable": true,
      "ordinal": 22,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "volume",
      "default": null,
      "nullable": true,
      "ordinal": 23,
      "table": "historical_bar",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "volume_type",
      "default": "'tick'::text",
      "nullable": true,
      "ordinal": 24,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "quality_status",
      "default": "'VALID'::text",
      "nullable": false,
      "ordinal": 25,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "quality_flags",
      "default": null,
      "nullable": true,
      "ordinal": 26,
      "table": "historical_bar",
      "type": "ARRAY",
      "udt": "_text"
    },
    {
      "column": "source_timestamp",
      "default": null,
      "nullable": true,
      "ordinal": 27,
      "table": "historical_bar",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "ingested_at",
      "default": "now()",
      "nullable": false,
      "ordinal": 28,
      "table": "historical_bar",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "dataset_version_id",
      "default": null,
      "nullable": false,
      "ordinal": 29,
      "table": "historical_bar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "technical_quality",
      "default": "'VALID'::text",
      "nullable": true,
      "ordinal": 30,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "market_quality",
      "default": null,
      "nullable": true,
      "ordinal": 31,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "session_state",
      "default": null,
      "nullable": true,
      "ordinal": 32,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "session_phase",
      "default": null,
      "nullable": true,
      "ordinal": 33,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "eligibility",
      "default": "'ELIGIBLE'::text",
      "nullable": true,
      "ordinal": 34,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "exclusion_reason",
      "default": null,
      "nullable": true,
      "ordinal": 35,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "quality_model_version",
      "default": "'quality_v1'::text",
      "nullable": true,
      "ordinal": 36,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "session_model_version",
      "default": null,
      "nullable": true,
      "ordinal": 37,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "calendar_version",
      "default": null,
      "nullable": true,
      "ordinal": 38,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "eligibility_model_version",
      "default": "'eligibility_v1'::text",
      "nullable": true,
      "ordinal": 39,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "effective_eligibility",
      "default": null,
      "nullable": true,
      "ordinal": 40,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "stale_model_version",
      "default": null,
      "nullable": true,
      "ordinal": 41,
      "table": "historical_bar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "tick_id",
      "default": "nextval('historical_tick_tick_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "historical_tick",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "provider_id",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "historical_tick",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "instrument_id",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "historical_tick",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "feed_type",
      "default": "'REFERENCE'::text",
      "nullable": false,
      "ordinal": 4,
      "table": "historical_tick",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "ts_utc",
      "default": null,
      "nullable": false,
      "ordinal": 5,
      "table": "historical_tick",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "bid",
      "default": null,
      "nullable": true,
      "ordinal": 6,
      "table": "historical_tick",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "ask",
      "default": null,
      "nullable": true,
      "ordinal": 7,
      "table": "historical_tick",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "last",
      "default": null,
      "nullable": true,
      "ordinal": 8,
      "table": "historical_tick",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "volume",
      "default": null,
      "nullable": true,
      "ordinal": 9,
      "table": "historical_tick",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "dataset_version_id",
      "default": null,
      "nullable": false,
      "ordinal": 10,
      "table": "historical_tick",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "provenance_id",
      "default": null,
      "nullable": false,
      "ordinal": 1,
      "table": "ingestion_provenance",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "ingestion_run_id",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "ingestion_provenance",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "provider_id",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "ingestion_provenance",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "provider_name_snapshot",
      "default": null,
      "nullable": false,
      "ordinal": 4,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "provider_environment_class",
      "default": null,
      "nullable": false,
      "ordinal": 5,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "provider_dataset",
      "default": null,
      "nullable": false,
      "ordinal": 6,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "provider_feed",
      "default": null,
      "nullable": false,
      "ordinal": 7,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "provider_instrument_id",
      "default": null,
      "nullable": false,
      "ordinal": 8,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "canonical_instrument_id",
      "default": null,
      "nullable": false,
      "ordinal": 9,
      "table": "ingestion_provenance",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "asset_class",
      "default": null,
      "nullable": false,
      "ordinal": 10,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "request_start",
      "default": null,
      "nullable": false,
      "ordinal": 11,
      "table": "ingestion_provenance",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "request_end",
      "default": null,
      "nullable": false,
      "ordinal": 12,
      "table": "ingestion_provenance",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "actual_start",
      "default": null,
      "nullable": false,
      "ordinal": 13,
      "table": "ingestion_provenance",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "actual_end",
      "default": null,
      "nullable": false,
      "ordinal": 14,
      "table": "ingestion_provenance",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "request_timestamp",
      "default": null,
      "nullable": false,
      "ordinal": 15,
      "table": "ingestion_provenance",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "response_timestamp",
      "default": null,
      "nullable": false,
      "ordinal": 16,
      "table": "ingestion_provenance",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "http_status",
      "default": null,
      "nullable": false,
      "ordinal": 17,
      "table": "ingestion_provenance",
      "type": "integer",
      "udt": "int4"
    },
    {
      "column": "provider_metadata",
      "default": null,
      "nullable": true,
      "ordinal": 18,
      "table": "ingestion_provenance",
      "type": "jsonb",
      "udt": "jsonb"
    },
    {
      "column": "provider_version",
      "default": null,
      "nullable": true,
      "ordinal": 19,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "raw_payload_sha256",
      "default": null,
      "nullable": false,
      "ordinal": 20,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "raw_content_length",
      "default": null,
      "nullable": false,
      "ordinal": 21,
      "table": "ingestion_provenance",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "compression",
      "default": null,
      "nullable": false,
      "ordinal": 22,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "content_type",
      "default": null,
      "nullable": true,
      "ordinal": 23,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "parser_version",
      "default": null,
      "nullable": false,
      "ordinal": 24,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "adapter_version",
      "default": null,
      "nullable": false,
      "ordinal": 25,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "normalization_version",
      "default": null,
      "nullable": false,
      "ordinal": 26,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "timezone_source",
      "default": null,
      "nullable": false,
      "ordinal": 27,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "timezone_target",
      "default": null,
      "nullable": false,
      "ordinal": 28,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "timezone_transform_version",
      "default": null,
      "nullable": false,
      "ordinal": 29,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "price_type",
      "default": null,
      "nullable": false,
      "ordinal": 30,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "granularity",
      "default": null,
      "nullable": false,
      "ordinal": 31,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "correction_status",
      "default": "'ORIGINAL'::text",
      "nullable": false,
      "ordinal": 32,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "license_class",
      "default": "'UNKNOWN'::text",
      "nullable": false,
      "ordinal": 33,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "software_git_commit",
      "default": null,
      "nullable": false,
      "ordinal": 34,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "software_image_id",
      "default": null,
      "nullable": false,
      "ordinal": 35,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "software_build_input_sha",
      "default": null,
      "nullable": true,
      "ordinal": 36,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "request_identity_hash",
      "default": null,
      "nullable": false,
      "ordinal": 37,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "supersedes_provenance_id",
      "default": null,
      "nullable": true,
      "ordinal": 38,
      "table": "ingestion_provenance",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "raw_storage_ref",
      "default": null,
      "nullable": true,
      "ordinal": 39,
      "table": "ingestion_provenance",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "extra",
      "default": null,
      "nullable": true,
      "ordinal": 40,
      "table": "ingestion_provenance",
      "type": "jsonb",
      "udt": "jsonb"
    },
    {
      "column": "created_at",
      "default": "now()",
      "nullable": false,
      "ordinal": 41,
      "table": "ingestion_provenance",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "instrument_id",
      "default": "nextval('instrument_instrument_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "instrument",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "symbol",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "instrument",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "asset_class",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "instrument",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "name",
      "default": null,
      "nullable": true,
      "ordinal": 4,
      "table": "instrument",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "currency",
      "default": null,
      "nullable": true,
      "ordinal": 5,
      "table": "instrument",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "exchange",
      "default": null,
      "nullable": true,
      "ordinal": 6,
      "table": "instrument",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "mic",
      "default": null,
      "nullable": true,
      "ordinal": 7,
      "table": "instrument",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "isin",
      "default": null,
      "nullable": true,
      "ordinal": 8,
      "table": "instrument",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "tick_size",
      "default": null,
      "nullable": true,
      "ordinal": 9,
      "table": "instrument",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "contract_size",
      "default": null,
      "nullable": true,
      "ordinal": 10,
      "table": "instrument",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "min_deal_size",
      "default": null,
      "nullable": true,
      "ordinal": 11,
      "table": "instrument",
      "type": "double precision",
      "udt": "float8"
    },
    {
      "column": "active",
      "default": "true",
      "nullable": false,
      "ordinal": 12,
      "table": "instrument",
      "type": "boolean",
      "udt": "bool"
    },
    {
      "column": "created_at",
      "default": "now()",
      "nullable": false,
      "ordinal": 13,
      "table": "instrument",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "calendar_id",
      "default": "nextval('market_calendar_calendar_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "market_calendar",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "calendar_name",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "market_calendar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "asset_class",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "market_calendar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "venue_exchange",
      "default": null,
      "nullable": true,
      "ordinal": 4,
      "table": "market_calendar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "timezone",
      "default": null,
      "nullable": false,
      "ordinal": 5,
      "table": "market_calendar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "week_open_utc",
      "default": null,
      "nullable": true,
      "ordinal": 6,
      "table": "market_calendar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "week_close_utc",
      "default": null,
      "nullable": true,
      "ordinal": 7,
      "table": "market_calendar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "rollover_utc",
      "default": null,
      "nullable": true,
      "ordinal": 8,
      "table": "market_calendar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "session_open_utc",
      "default": null,
      "nullable": true,
      "ordinal": 9,
      "table": "market_calendar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "session_close_utc",
      "default": null,
      "nullable": true,
      "ordinal": 10,
      "table": "market_calendar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "notes",
      "default": null,
      "nullable": true,
      "ordinal": 11,
      "table": "market_calendar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "calendar_version",
      "default": null,
      "nullable": false,
      "ordinal": 12,
      "table": "market_calendar",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "created_at",
      "default": "now()",
      "nullable": false,
      "ordinal": 13,
      "table": "market_calendar",
      "type": "timestamp with time zone",
      "udt": "timestamptz"
    },
    {
      "column": "provider_id",
      "default": "nextval('provider_provider_id_seq'::regclass)",
      "nullable": false,
      "ordinal": 1,
      "table": "provider",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "provider_key",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "provider",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "name",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "provider",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "data_type",
      "default": null,
      "nullable": false,
      "ordinal": 4,
      "table": "provider",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "pricing_plan",
      "default": null,
      "nullable": true,
      "ordinal": 5,
      "table": "provider",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "license_terms",
      "default": null,
      "nullable": true,
      "ordinal": 6,
      "table": "provider",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "provider_id",
      "default": null,
      "nullable": false,
      "ordinal": 1,
      "table": "provider_instrument",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "instrument_id",
      "default": null,
      "nullable": false,
      "ordinal": 2,
      "table": "provider_instrument",
      "type": "bigint",
      "udt": "int8"
    },
    {
      "column": "provider_symbol",
      "default": null,
      "nullable": false,
      "ordinal": 3,
      "table": "provider_instrument",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "broker_epic",
      "default": null,
      "nullable": true,
      "ordinal": 4,
      "table": "provider_instrument",
      "type": "text",
      "udt": "text"
    },
    {
      "column": "extra_metadata",
      "default": null,
      "nullable": true,
      "ordinal": 5,
      "table": "provider_instrument",
      "type": "jsonb",
      "udt": "jsonb"
    },
    {
      "column": "active",
      "default": "true",
      "nullable": false,
      "ordinal": 6,
      "table": "provider_instrument",
      "type": "boolean",
      "udt": "bool"
    }
  ],
  "foreign_keys": [
    {
      "columns": [
        "calendar_id"
      ],
      "constraint": "calendar_event_calendar_id_fkey",
      "ref_columns": [
        "calendar_id"
      ],
      "ref_table": "market_calendar",
      "table": "calendar_event"
    },
    {
      "columns": [
        "instrument_id"
      ],
      "constraint": "corporate_action_instrument_id_fkey",
      "ref_columns": [
        "instrument_id"
      ],
      "ref_table": "instrument",
      "table": "corporate_action"
    },
    {
      "columns": [
        "provider_id"
      ],
      "constraint": "corporate_action_provider_id_fkey",
      "ref_columns": [
        "provider_id"
      ],
      "ref_table": "provider",
      "table": "corporate_action"
    },
    {
      "columns": [
        "instrument_id"
      ],
      "constraint": "daily_quality_report_instrument_id_fkey",
      "ref_columns": [
        "instrument_id"
      ],
      "ref_table": "instrument",
      "table": "daily_quality_report"
    },
    {
      "columns": [
        "provider_id"
      ],
      "constraint": "daily_quality_report_provider_id_fkey",
      "ref_columns": [
        "provider_id"
      ],
      "ref_table": "provider",
      "table": "daily_quality_report"
    },
    {
      "columns": [
        "instrument_id"
      ],
      "constraint": "data_gap_instrument_id_fkey",
      "ref_columns": [
        "instrument_id"
      ],
      "ref_table": "instrument",
      "table": "data_gap"
    },
    {
      "columns": [
        "provider_id"
      ],
      "constraint": "data_gap_provider_id_fkey",
      "ref_columns": [
        "provider_id"
      ],
      "ref_table": "provider",
      "table": "data_gap"
    },
    {
      "columns": [
        "instrument_id"
      ],
      "constraint": "data_ingestion_run_instrument_id_fkey",
      "ref_columns": [
        "instrument_id"
      ],
      "ref_table": "instrument",
      "table": "data_ingestion_run"
    },
    {
      "columns": [
        "provider_id"
      ],
      "constraint": "data_ingestion_run_provider_id_fkey",
      "ref_columns": [
        "provider_id"
      ],
      "ref_table": "provider",
      "table": "data_ingestion_run"
    },
    {
      "columns": [
        "instrument_id"
      ],
      "constraint": "data_quality_issue_instrument_id_fkey",
      "ref_columns": [
        "instrument_id"
      ],
      "ref_table": "instrument",
      "table": "data_quality_issue"
    },
    {
      "columns": [
        "provider_id"
      ],
      "constraint": "dataset_provider_id_fkey",
      "ref_columns": [
        "provider_id"
      ],
      "ref_table": "provider",
      "table": "dataset"
    },
    {
      "columns": [
        "dataset_id"
      ],
      "constraint": "dataset_version_dataset_id_fkey",
      "ref_columns": [
        "dataset_id"
      ],
      "ref_table": "dataset",
      "table": "dataset_version"
    },
    {
      "columns": [
        "instrument_id"
      ],
      "constraint": "dataset_version_instrument_id_fkey",
      "ref_columns": [
        "instrument_id"
      ],
      "ref_table": "instrument",
      "table": "dataset_version"
    },
    {
      "columns": [
        "provider_id"
      ],
      "constraint": "dataset_version_provider_id_fkey",
      "ref_columns": [
        "provider_id"
      ],
      "ref_table": "provider",
      "table": "dataset_version"
    },
    {
      "columns": [
        "dataset_version_id"
      ],
      "constraint": "derived_bar_dataset_version_id_fkey",
      "ref_columns": [
        "dataset_version_id"
      ],
      "ref_table": "dataset_version",
      "table": "derived_bar"
    },
    {
      "columns": [
        "instrument_id"
      ],
      "constraint": "derived_bar_instrument_id_fkey",
      "ref_columns": [
        "instrument_id"
      ],
      "ref_table": "instrument",
      "table": "derived_bar"
    },
    {
      "columns": [
        "provider_id"
      ],
      "constraint": "derived_bar_provider_id_fkey",
      "ref_columns": [
        "provider_id"
      ],
      "ref_table": "provider",
      "table": "derived_bar"
    },
    {
      "columns": [
        "dataset_version_id"
      ],
      "constraint": "historical_bar_dataset_version_id_fkey",
      "ref_columns": [
        "dataset_version_id"
      ],
      "ref_table": "dataset_version",
      "table": "historical_bar"
    },
    {
      "columns": [
        "instrument_id"
      ],
      "constraint": "historical_bar_instrument_id_fkey",
      "ref_columns": [
        "instrument_id"
      ],
      "ref_table": "instrument",
      "table": "historical_bar"
    },
    {
      "columns": [
        "provider_id"
      ],
      "constraint": "historical_bar_provider_id_fkey",
      "ref_columns": [
        "provider_id"
      ],
      "ref_table": "provider",
      "table": "historical_bar"
    },
    {
      "columns": [
        "dataset_version_id"
      ],
      "constraint": "historical_tick_dataset_version_id_fkey",
      "ref_columns": [
        "dataset_version_id"
      ],
      "ref_table": "dataset_version",
      "table": "historical_tick"
    },
    {
      "columns": [
        "instrument_id"
      ],
      "constraint": "historical_tick_instrument_id_fkey",
      "ref_columns": [
        "instrument_id"
      ],
      "ref_table": "instrument",
      "table": "historical_tick"
    },
    {
      "columns": [
        "provider_id"
      ],
      "constraint": "historical_tick_provider_id_fkey",
      "ref_columns": [
        "provider_id"
      ],
      "ref_table": "provider",
      "table": "historical_tick"
    },
    {
      "columns": [
        "canonical_instrument_id"
      ],
      "constraint": "ingestion_provenance_canonical_instrument_id_fkey",
      "ref_columns": [
        "instrument_id"
      ],
      "ref_table": "instrument",
      "table": "ingestion_provenance"
    },
    {
      "columns": [
        "provider_id"
      ],
      "constraint": "ingestion_provenance_provider_id_fkey",
      "ref_columns": [
        "provider_id"
      ],
      "ref_table": "provider",
      "table": "ingestion_provenance"
    },
    {
      "columns": [
        "supersedes_provenance_id"
      ],
      "constraint": "ingestion_provenance_supersedes_fkey",
      "ref_columns": [
        "provenance_id"
      ],
      "ref_table": "ingestion_provenance",
      "table": "ingestion_provenance"
    },
    {
      "columns": [
        "instrument_id"
      ],
      "constraint": "provider_instrument_instrument_id_fkey",
      "ref_columns": [
        "instrument_id"
      ],
      "ref_table": "instrument",
      "table": "provider_instrument"
    },
    {
      "columns": [
        "provider_id"
      ],
      "constraint": "provider_instrument_provider_id_fkey",
      "ref_columns": [
        "provider_id"
      ],
      "ref_table": "provider",
      "table": "provider_instrument"
    }
  ],
  "indexes": [
    {
      "definition": "CREATE UNIQUE INDEX calendar_event_calendar_id_event_date_kind_key ON public.calendar_event USING btree (calendar_id, event_date, kind)",
      "index": "calendar_event_calendar_id_event_date_kind_key",
      "table": "calendar_event"
    },
    {
      "definition": "CREATE UNIQUE INDEX calendar_event_pkey ON public.calendar_event USING btree (event_id)",
      "index": "calendar_event_pkey",
      "table": "calendar_event"
    },
    {
      "definition": "CREATE UNIQUE INDEX corporate_action_instrument_id_action_type_ex_date_provider_key ON public.corporate_action USING btree (instrument_id, action_type, ex_date, provider_id)",
      "index": "corporate_action_instrument_id_action_type_ex_date_provider_key",
      "table": "corporate_action"
    },
    {
      "definition": "CREATE UNIQUE INDEX corporate_action_pkey ON public.corporate_action USING btree (action_id)",
      "index": "corporate_action_pkey",
      "table": "corporate_action"
    },
    {
      "definition": "CREATE UNIQUE INDEX daily_quality_report_instrument_id_provider_id_report_date__key ON public.daily_quality_report USING btree (instrument_id, provider_id, report_date, feed_type)",
      "index": "daily_quality_report_instrument_id_provider_id_report_date__key",
      "table": "daily_quality_report"
    },
    {
      "definition": "CREATE UNIQUE INDEX daily_quality_report_pkey ON public.daily_quality_report USING btree (report_id)",
      "index": "daily_quality_report_pkey",
      "table": "daily_quality_report"
    },
    {
      "definition": "CREATE UNIQUE INDEX data_gap_pkey ON public.data_gap USING btree (gap_id)",
      "index": "data_gap_pkey",
      "table": "data_gap"
    },
    {
      "definition": "CREATE UNIQUE INDEX data_gap_unique ON public.data_gap USING btree (provider_id, instrument_id, timeframe, start_utc, end_utc, kind)",
      "index": "data_gap_unique",
      "table": "data_gap"
    },
    {
      "definition": "CREATE UNIQUE INDEX data_ingestion_run_pkey ON public.data_ingestion_run USING btree (ingestion_id)",
      "index": "data_ingestion_run_pkey",
      "table": "data_ingestion_run"
    },
    {
      "definition": "CREATE UNIQUE INDEX data_ingestion_run_provider_id_instrument_id_timeframe_star_key ON public.data_ingestion_run USING btree (provider_id, instrument_id, timeframe, started_at)",
      "index": "data_ingestion_run_provider_id_instrument_id_timeframe_star_key",
      "table": "data_ingestion_run"
    },
    {
      "definition": "CREATE UNIQUE INDEX data_quality_issue_pkey ON public.data_quality_issue USING btree (issue_id)",
      "index": "data_quality_issue_pkey",
      "table": "data_quality_issue"
    },
    {
      "definition": "CREATE UNIQUE INDEX dataset_name_key ON public.dataset USING btree (name)",
      "index": "dataset_name_key",
      "table": "dataset"
    },
    {
      "definition": "CREATE UNIQUE INDEX dataset_pkey ON public.dataset USING btree (dataset_id)",
      "index": "dataset_pkey",
      "table": "dataset"
    },
    {
      "definition": "CREATE UNIQUE INDEX dataset_version_dataset_version_hash_key ON public.dataset_version USING btree (dataset_version_hash)",
      "index": "dataset_version_dataset_version_hash_key",
      "table": "dataset_version"
    },
    {
      "definition": "CREATE UNIQUE INDEX dataset_version_pkey ON public.dataset_version USING btree (dataset_version_id)",
      "index": "dataset_version_pkey",
      "table": "dataset_version"
    },
    {
      "definition": "CREATE UNIQUE INDEX derived_bar_pkey ON public.derived_bar USING btree (derived_bar_id)",
      "index": "derived_bar_pkey",
      "table": "derived_bar"
    },
    {
      "definition": "CREATE UNIQUE INDEX derived_bar_provider_id_instrument_id_feed_type_price_basis_key ON public.derived_bar USING btree (provider_id, instrument_id, feed_type, price_basis, timeframe, ts_utc, aggregation_version)",
      "index": "derived_bar_provider_id_instrument_id_feed_type_price_basis_key",
      "table": "derived_bar"
    },
    {
      "definition": "CREATE INDEX idx_derived_inst_tf_ts ON public.derived_bar USING btree (instrument_id, timeframe, ts_utc)",
      "index": "idx_derived_inst_tf_ts",
      "table": "derived_bar"
    },
    {
      "definition": "CREATE UNIQUE INDEX historical_bar_pkey ON public.historical_bar USING btree (bar_id)",
      "index": "historical_bar_pkey",
      "table": "historical_bar"
    },
    {
      "definition": "CREATE UNIQUE INDEX historical_bar_provider_id_instrument_id_feed_type_price_ba_key ON public.historical_bar USING btree (provider_id, instrument_id, feed_type, price_basis, timeframe, ts_utc, raw_or_derived)",
      "index": "historical_bar_provider_id_instrument_id_feed_type_price_ba_key",
      "table": "historical_bar"
    },
    {
      "definition": "CREATE INDEX idx_bar_dsver ON public.historical_bar USING btree (dataset_version_id)",
      "index": "idx_bar_dsver",
      "table": "historical_bar"
    },
    {
      "definition": "CREATE INDEX idx_bar_elig ON public.historical_bar USING btree (eligibility)",
      "index": "idx_bar_elig",
      "table": "historical_bar"
    },
    {
      "definition": "CREATE INDEX idx_bar_inst_tf_ts ON public.historical_bar USING btree (instrument_id, timeframe, ts_utc)",
      "index": "idx_bar_inst_tf_ts",
      "table": "historical_bar"
    },
    {
      "definition": "CREATE INDEX idx_bar_sess_ts ON public.historical_bar USING btree (session_state, instrument_id, ts_utc)",
      "index": "idx_bar_sess_ts",
      "table": "historical_bar"
    },
    {
      "definition": "CREATE INDEX idx_bar_session ON public.historical_bar USING btree (session_state, session_phase)",
      "index": "idx_bar_session",
      "table": "historical_bar"
    },
    {
      "definition": "CREATE INDEX idx_bar_techq ON public.historical_bar USING btree (technical_quality)",
      "index": "idx_bar_techq",
      "table": "historical_bar"
    },
    {
      "definition": "CREATE INDEX idx_historical_bar_market_quality ON public.historical_bar USING btree (instrument_id, market_quality)",
      "index": "idx_historical_bar_market_quality",
      "table": "historical_bar"
    },
    {
      "definition": "CREATE INDEX idx_historical_bar_session_state ON public.historical_bar USING btree (instrument_id, session_state)",
      "index": "idx_historical_bar_session_state",
      "table": "historical_bar"
    },
    {
      "definition": "CREATE UNIQUE INDEX historical_tick_pkey ON public.historical_tick USING btree (tick_id)",
      "index": "historical_tick_pkey",
      "table": "historical_tick"
    },
    {
      "definition": "CREATE UNIQUE INDEX historical_tick_provider_id_instrument_id_feed_type_ts_utc__key ON public.historical_tick USING btree (provider_id, instrument_id, feed_type, ts_utc, bid, ask)",
      "index": "historical_tick_provider_id_instrument_id_feed_type_ts_utc__key",
      "table": "historical_tick"
    },
    {
      "definition": "CREATE INDEX idx_tick_inst_ts ON public.historical_tick USING btree (instrument_id, ts_utc)",
      "index": "idx_tick_inst_ts",
      "table": "historical_tick"
    },
    {
      "definition": "CREATE INDEX idx_prov_adapter_version ON public.ingestion_provenance USING btree (adapter_version)",
      "index": "idx_prov_adapter_version",
      "table": "ingestion_provenance"
    },
    {
      "definition": "CREATE INDEX idx_prov_instrument ON public.ingestion_provenance USING btree (canonical_instrument_id)",
      "index": "idx_prov_instrument",
      "table": "ingestion_provenance"
    },
    {
      "definition": "CREATE INDEX idx_prov_provider_feed ON public.ingestion_provenance USING btree (provider_id, provider_feed)",
      "index": "idx_prov_provider_feed",
      "table": "ingestion_provenance"
    },
    {
      "definition": "CREATE INDEX idx_prov_raw_sha ON public.ingestion_provenance USING btree (raw_payload_sha256)",
      "index": "idx_prov_raw_sha",
      "table": "ingestion_provenance"
    },
    {
      "definition": "CREATE INDEX idx_prov_request_identity ON public.ingestion_provenance USING btree (request_identity_hash)",
      "index": "idx_prov_request_identity",
      "table": "ingestion_provenance"
    },
    {
      "definition": "CREATE INDEX idx_prov_time_range ON public.ingestion_provenance USING btree (request_start, request_end)",
      "index": "idx_prov_time_range",
      "table": "ingestion_provenance"
    },
    {
      "definition": "CREATE UNIQUE INDEX ingestion_provenance_ingestion_run_id_key ON public.ingestion_provenance USING btree (ingestion_run_id)",
      "index": "ingestion_provenance_ingestion_run_id_key",
      "table": "ingestion_provenance"
    },
    {
      "definition": "CREATE UNIQUE INDEX ingestion_provenance_pkey ON public.ingestion_provenance USING btree (provenance_id)",
      "index": "ingestion_provenance_pkey",
      "table": "ingestion_provenance"
    },
    {
      "definition": "CREATE UNIQUE INDEX instrument_pkey ON public.instrument USING btree (instrument_id)",
      "index": "instrument_pkey",
      "table": "instrument"
    },
    {
      "definition": "CREATE UNIQUE INDEX instrument_symbol_key ON public.instrument USING btree (symbol)",
      "index": "instrument_symbol_key",
      "table": "instrument"
    },
    {
      "definition": "CREATE UNIQUE INDEX market_calendar_calendar_name_key ON public.market_calendar USING btree (calendar_name)",
      "index": "market_calendar_calendar_name_key",
      "table": "market_calendar"
    },
    {
      "definition": "CREATE UNIQUE INDEX market_calendar_pkey ON public.market_calendar USING btree (calendar_id)",
      "index": "market_calendar_pkey",
      "table": "market_calendar"
    },
    {
      "definition": "CREATE UNIQUE INDEX provider_pkey ON public.provider USING btree (provider_id)",
      "index": "provider_pkey",
      "table": "provider"
    },
    {
      "definition": "CREATE UNIQUE INDEX provider_provider_key_key ON public.provider USING btree (provider_key)",
      "index": "provider_provider_key_key",
      "table": "provider"
    },
    {
      "definition": "CREATE UNIQUE INDEX provider_instrument_pkey ON public.provider_instrument USING btree (provider_id, instrument_id)",
      "index": "provider_instrument_pkey",
      "table": "provider_instrument"
    },
    {
      "definition": "CREATE UNIQUE INDEX provider_instrument_provider_id_provider_symbol_key ON public.provider_instrument USING btree (provider_id, provider_symbol)",
      "index": "provider_instrument_provider_id_provider_symbol_key",
      "table": "provider_instrument"
    }
  ],
  "primary_keys": [
    {
      "columns": [
        "event_id"
      ],
      "constraint": "calendar_event_pkey",
      "table": "calendar_event"
    },
    {
      "columns": [
        "action_id"
      ],
      "constraint": "corporate_action_pkey",
      "table": "corporate_action"
    },
    {
      "columns": [
        "report_id"
      ],
      "constraint": "daily_quality_report_pkey",
      "table": "daily_quality_report"
    },
    {
      "columns": [
        "gap_id"
      ],
      "constraint": "data_gap_pkey",
      "table": "data_gap"
    },
    {
      "columns": [
        "ingestion_id"
      ],
      "constraint": "data_ingestion_run_pkey",
      "table": "data_ingestion_run"
    },
    {
      "columns": [
        "issue_id"
      ],
      "constraint": "data_quality_issue_pkey",
      "table": "data_quality_issue"
    },
    {
      "columns": [
        "dataset_id"
      ],
      "constraint": "dataset_pkey",
      "table": "dataset"
    },
    {
      "columns": [
        "dataset_version_id"
      ],
      "constraint": "dataset_version_pkey",
      "table": "dataset_version"
    },
    {
      "columns": [
        "derived_bar_id"
      ],
      "constraint": "derived_bar_pkey",
      "table": "derived_bar"
    },
    {
      "columns": [
        "bar_id"
      ],
      "constraint": "historical_bar_pkey",
      "table": "historical_bar"
    },
    {
      "columns": [
        "tick_id"
      ],
      "constraint": "historical_tick_pkey",
      "table": "historical_tick"
    },
    {
      "columns": [
        "provenance_id"
      ],
      "constraint": "ingestion_provenance_pkey",
      "table": "ingestion_provenance"
    },
    {
      "columns": [
        "instrument_id"
      ],
      "constraint": "instrument_pkey",
      "table": "instrument"
    },
    {
      "columns": [
        "calendar_id"
      ],
      "constraint": "market_calendar_pkey",
      "table": "market_calendar"
    },
    {
      "columns": [
        "provider_id"
      ],
      "constraint": "provider_pkey",
      "table": "provider"
    },
    {
      "columns": [
        "provider_id",
        "instrument_id"
      ],
      "constraint": "provider_instrument_pkey",
      "table": "provider_instrument"
    }
  ],
  "sequences": [
    "calendar_event_event_id_seq",
    "corporate_action_action_id_seq",
    "daily_quality_report_report_id_seq",
    "data_gap_gap_id_seq",
    "data_ingestion_run_ingestion_id_seq",
    "data_quality_issue_issue_id_seq",
    "dataset_dataset_id_seq",
    "dataset_version_dataset_version_id_seq",
    "derived_bar_derived_bar_id_seq",
    "historical_bar_bar_id_seq",
    "historical_tick_tick_id_seq",
    "ingestion_provenance_provenance_id_seq",
    "instrument_instrument_id_seq",
    "market_calendar_calendar_id_seq",
    "provider_provider_id_seq"
  ],
  "tables": [
    "calendar_event",
    "corporate_action",
    "daily_quality_report",
    "data_gap",
    "data_ingestion_run",
    "data_quality_issue",
    "dataset",
    "dataset_version",
    "derived_bar",
    "historical_bar",
    "historical_tick",
    "ingestion_provenance",
    "instrument",
    "market_calendar",
    "provider",
    "provider_instrument"
  ],
  "unique_constraints": [
    {
      "columns": [
        "calendar_id",
        "event_date",
        "kind"
      ],
      "constraint": "calendar_event_calendar_id_event_date_kind_key",
      "table": "calendar_event"
    },
    {
      "columns": [
        "instrument_id",
        "action_type",
        "ex_date",
        "provider_id"
      ],
      "constraint": "corporate_action_instrument_id_action_type_ex_date_provider_key",
      "table": "corporate_action"
    },
    {
      "columns": [
        "instrument_id",
        "provider_id",
        "report_date",
        "feed_type"
      ],
      "constraint": "daily_quality_report_instrument_id_provider_id_report_date__key",
      "table": "daily_quality_report"
    },
    {
      "columns": [
        "provider_id",
        "instrument_id",
        "timeframe",
        "start_utc",
        "end_utc",
        "kind"
      ],
      "constraint": "data_gap_unique",
      "table": "data_gap"
    },
    {
      "columns": [
        "provider_id",
        "instrument_id",
        "timeframe",
        "started_at"
      ],
      "constraint": "data_ingestion_run_provider_id_instrument_id_timeframe_star_key",
      "table": "data_ingestion_run"
    },
    {
      "columns": [
        "name"
      ],
      "constraint": "dataset_name_key",
      "table": "dataset"
    },
    {
      "columns": [
        "dataset_version_hash"
      ],
      "constraint": "dataset_version_dataset_version_hash_key",
      "table": "dataset_version"
    },
    {
      "columns": [
        "provider_id",
        "instrument_id",
        "feed_type",
        "price_basis",
        "timeframe",
        "ts_utc",
        "aggregation_version"
      ],
      "constraint": "derived_bar_provider_id_instrument_id_feed_type_price_basis_key",
      "table": "derived_bar"
    },
    {
      "columns": [
        "provider_id",
        "instrument_id",
        "feed_type",
        "price_basis",
        "timeframe",
        "ts_utc",
        "raw_or_derived"
      ],
      "constraint": "historical_bar_provider_id_instrument_id_feed_type_price_ba_key",
      "table": "historical_bar"
    },
    {
      "columns": [
        "provider_id",
        "instrument_id",
        "feed_type",
        "ts_utc",
        "bid",
        "ask"
      ],
      "constraint": "historical_tick_provider_id_instrument_id_feed_type_ts_utc__key",
      "table": "historical_tick"
    },
    {
      "columns": [
        "ingestion_run_id"
      ],
      "constraint": "ingestion_provenance_ingestion_run_id_key",
      "table": "ingestion_provenance"
    },
    {
      "columns": [
        "symbol"
      ],
      "constraint": "instrument_symbol_key",
      "table": "instrument"
    },
    {
      "columns": [
        "calendar_name"
      ],
      "constraint": "market_calendar_calendar_name_key",
      "table": "market_calendar"
    },
    {
      "columns": [
        "provider_key"
      ],
      "constraint": "provider_provider_key_key",
      "table": "provider"
    },
    {
      "columns": [
        "provider_id",
        "provider_symbol"
      ],
      "constraint": "provider_instrument_provider_id_provider_symbol_key",
      "table": "provider_instrument"
    }
  ]
}