The following documentation comment has been logged on the website: Page: https://www.postgresql.org/docs/9.6/functions-array.html Description:
~ $ psql psql (11.2, server 9.6.14) Type "help" for help. ghowe=# select version(); version --------------------------------------------------------------------------------------------------------------- PostgreSQL 9.6.14 on x86_64-apple-darwin14.5.0, compiled by Apple LLVM version 7.0.0 (clang-700.1.76), 64-bit (1 row) ghowe=# select unnest(ARRAY[1,2],ARRAY['foo','bar','baz']); ERROR: function unnest(integer[], text[]) does not exist LINE 1: select unnest(ARRAY[1,2],ARRAY['foo','bar','baz']) ^ HINT: No function matches the given name and argument types. You might need to add explicit type casts.