{ "db_name": "PostgreSQL", "query": "SELECT EXISTS(SELECT 1 FROM shared_instance_versions WHERE id=$1)", "describe": { "columns": [ { "ordinal": 0, "name": "exists", "type_info": "Bool" } ], "parameters": { "Left": [ "Int8" ] }, "nullable": [ null ] }, "hash": "7c445073f61e30723416a9690aa9d227d95f2a8f2eb9852833e14c723903988b" }