included, NULLIF( TRIM( c.reloptions ), '' ) AS storage FROM pg_index idx, pg_class c, pg_namespace n, pg_class t, pg_indexes ixs WHERE ixs.indexname = c.relname AND c.oid = idx.indexrelid AND t.oid = idx.indrelid AND n.oid = c.relnamespace AND idx.indisprimary AND n.nspname = 'public' AND t.relname = 'leagues'; ERROR: function pg_catalog.btrim(text[]) does not exist LINE 1: ...num) OFFSET idx.indnkeyatts) AS included, NULLIF( TRIM( c.re...
You are asking the wrong question. The right question is “how does one turn an empty array into the null value?” Nullif is correct, you just need to specify an empty array (of the correct type) for the second argument.
Given that error message, an array of text is the correct type.
