{ "db_name": "PostgreSQL", "query": "SELECT EXISTS(SELECT 1 FROM users WHERE id=$1)", "describe": { "columns": [ { "ordinal": 0, "name": "exists", "type_info": "Bool" } ], "parameters": { "Left": [ "Int8" ] }, "nullable": [ null ] }, "hash": "bf7f721664f5e0ed41adc41b5483037256635f28ff6c4e5d3cbcec4387f9c8ef" }