PostgreSQL provides two data types to store JSON elements: JSON and JSONB .Then we will execute a simple query to search and return this new row. Note the response time for both queries. JsQuery is a language to query jsonb data type, introduced in PostgreSQL release 9.4.
Authors. Teodor Sigaev teodorsigaev.ru, Postgres Professional, Moscow, Russia. Specifically, you can drop schemaless data structures into your tables and query them with ease.changecolumn :dynamics, :payload, jsonb USING CAST(payload AS jsonb) end. Here the query I have written but it returns nothingWHERE "data" -> files > "date"::jsonb If the data column is text type, then use ->> on cast: Select from moduledata where data::json->>title like Board. If its already json: Select from moduledata where data->>title like Board. Convert Timestamp from PostgreSQL to Time Zone in Query (Rails).