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DO

An SQL command for executing an anonymous code block

DO is a command for executing an anonymous code block.

DO was added in PostgreSQL 9.0.

Change history

Examples

Basic usage examples for DO:

postgres=# DO LANGUAGE plpgsql
           $$
           BEGIN
             RAISE NOTICE 'hello world';
           END;
           $$;
NOTICE:  hello world
DO

postgres=# DO LANGUAGE plperlu
           $$
             elog NOTICE, 'hello world';
           $$;
NOTICE:  hello world
DO

It is not possible to execute a DO block with SQL:

postgres=# DO LANGUAGE SQL
           $$
             SELECT 'hello world';
           $$;
ERROR:  language "sql" does not support inline code execution
  • PostgreSQL documentation: DO

Categories

SQL command