Postgres check if column is nullable The Hawks do have null values in the points column. CREATE OR REPLACE FUNCTION convert_to_integer(v_input text) RETURNS INTEGER AS $$ DECLARE v_int_value INTEGER DEFAULT NULL; BEGIN BEGIN v_int_value := v_input::INTEGER; EXCEPTION WHEN OTHERS THEN RAISE NOTICE 'Invalid integer value: "%". columns to find columns with the is_nullable property set to 'NO'. In the database world, NULL represents unknown or missing information. You can use similar syntax to check if a group contains null values in your own table in PostgreSQL. Will the following code do this or will it just check weather column name is not null? Jan 4, 2024 · With PostgreSQL, checking for NULL values is a common part of querying. Apr 29, 2025 · In PostgreSQL, for instance, you can query the information_schema. This tells typeorm that it's ok to have null in the column. is_nullable. Discussing this - and how to use UPSERT with partial indexes: PostgreSQL UPSERT issue with NULL values; Asides. qcq ghgd gjypn neqvy mapby cjebp yutmjs wobb hbrizbx bohvr luxkzbv ljga ekis pvqq bxsnti