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contain_context_dependent_node_walker() reports a CaseTestExpr as context-dependent unless it sits under a simple CaseExpr or the elemexpr of an ArrayCoerceExpr. A JsonConstructorExpr whose RETURNING type requires a coercion also carries a CaseTestExpr placeholder in that coercion, so any SQL function called with such a constructor as an argument was refused inlining. Teach the walker that a CaseTestExpr is expected within the coercion of a JsonConstructorExpr, the same way it already handles the elemexpr of an ArrayCoerceExpr. This is safe now that eval_const_expressions no longer lets an enclosing simple CASE clobber that placeholder. Author: Richard Guo <guofenglinux@gmail.com> Discussion: https://postgr.es/m/CAMbWs48A=VCFbteTkuCoknO1_0-Cu0aMBT0M07dm7vj1QyixDg@mail.gmail.com Backpatch-through: 19
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 (but see also below) examples/ Demonstration programs for libpq that double as regression tests via "make check" isolation/ Tests for concurrent behavior at the SQL level kerberos/ Tests for Kerberos/GSSAPI authentication and encryption ldap/ Tests for LDAP-based authentication 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