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Recent additions to ParseFuncOrColumn to make it reject non-procedure functions in CALL were neither adequate nor documented. Reorganize the code to ensure uniform results for all the cases that should be rejected. Also, use ERRCODE_WRONG_OBJECT_TYPE for this case as well as the converse case of a procedure in a non-CALL context. The original coding used ERRCODE_UNDEFINED_FUNCTION which seems wrong, and is certainly inconsistent with the adjacent wrong-kind-of-routine errors. This reorganization also causes the checks for aggregate decoration with a non-aggregate function to be made in the FUNCDETAIL_COERCION case; that they were not is a long-standing oversight. Discussion: https://postgr.es/m/14497.1529089235@sss.pgh.pa.us
PostgreSQL tests ================ This directory contains a variety of test infrastructure as well as some of the tests in PostgreSQL. Not all tests are here -- in particular, there are more in individual contrib/ modules and in src/bin. Not all these tests get run by "make check". Check src/test/Makefile to see which tests get run automatically. authentication/ Tests for authentication examples/ Demonstration programs for libpq that double as regression tests via "make check" isolation/ Tests for concurrent behavior at the SQL level locale/ Sanity checks for locale data, encodings, etc mb/ Tests for multibyte encoding (UTF-8) support modules/ Extensions used only or mainly for test purposes, generally not suitable for installing in production databases perl/ Infrastructure for Perl-based TAP tests recovery/ Test suite for recovery and replication regress/ PostgreSQL's main regression test suite, pg_regress ssl/ Tests to exercise and verify SSL certificate handling subscription/ Tests for logical replication thread/ A thread-safety-testing utility used by configure