{
  "mysql_version": "8.0.27",
  "column": [
    {
      "COLUMN_NAME": "trigger_rule_codes",
      "COLUMN_TYPE": "json",
      "DATA_TYPE": "json",
      "IS_NULLABLE": "NO"
    }
  ],
  "indexes": [
    {
      "INDEX_NAME": "idx_fin_risk_alert_alert_level",
      "COLUMN_NAME": "alert_level",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "idx_fin_risk_alert_alert_type",
      "COLUMN_NAME": "alert_type",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "idx_fin_risk_alert_created_at",
      "COLUMN_NAME": "created_at",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "idx_fin_risk_alert_customer_id",
      "COLUMN_NAME": "customer_id",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "idx_fin_risk_alert_due_at",
      "COLUMN_NAME": "due_at",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "idx_fin_risk_alert_handler_id",
      "COLUMN_NAME": "handler_id",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "idx_fin_risk_alert_primary_risk_work_order_id",
      "COLUMN_NAME": "primary_risk_work_order_id",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "idx_fin_risk_alert_priority_score",
      "COLUMN_NAME": "priority_score",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "idx_fin_risk_alert_related_order_id",
      "COLUMN_NAME": "related_order_id",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "idx_fin_risk_alert_related_transaction_id",
      "COLUMN_NAME": "related_transaction_id",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "idx_fin_risk_alert_related_work_order_id",
      "COLUMN_NAME": "related_work_order_id",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "idx_fin_risk_alert_status",
      "COLUMN_NAME": "status",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "idx_fin_risk_alert_trigger_rule_codes",
      "COLUMN_NAME": null,
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": "cast(`trigger_rule_codes` as char(16) array)"
    },
    {
      "INDEX_NAME": "PRIMARY",
      "COLUMN_NAME": "id",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    },
    {
      "INDEX_NAME": "uk_fin_risk_alert_alert_no",
      "COLUMN_NAME": "alert_no",
      "INDEX_TYPE": "BTREE",
      "EXPRESSION": null
    }
  ],
  "row_count": 3,
  "non_array_rows": 0,
  "distinct_rule_codes": [
    {
      "raw_codes": "[\"RW-007\", \"RW-002\", \"RW-012\"]",
      "rows_count": 1
    },
    {
      "raw_codes": "[\"RW-015\", \"RW-003\"]",
      "rows_count": 1
    },
    {
      "raw_codes": "[\"RW-018\"]",
      "rows_count": 1
    }
  ],
  "explain_json_contains": {
    "query_block": {
      "select_id": 1,
      "cost_info": {
        "query_cost": "0.71"
      },
      "table": {
        "table_name": "fin_risk_alert",
        "access_type": "range",
        "possible_keys": [
          "idx_fin_risk_alert_trigger_rule_codes"
        ],
        "key": "idx_fin_risk_alert_trigger_rule_codes",
        "used_key_parts": [
          "cast(`trigger_rule_codes` as char(16) array)"
        ],
        "key_length": "67",
        "rows_examined_per_scan": 1,
        "rows_produced_per_join": 1,
        "filtered": "100.00",
        "cost_info": {
          "read_cost": "0.61",
          "eval_cost": "0.10",
          "prefix_cost": "0.71",
          "data_read_per_join": "936"
        },
        "used_columns": [
          "id",
          "trigger_rule_codes",
          "cast(`trigger_rule_codes` as char(16) array)"
        ],
        "attached_condition": "json_contains(cast(`trigger_rule_codes` as char(16) array),json'[\"RW-018\"]')"
      }
    }
  }
}