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In the grammar, <expr> is a c_expr, which accepts only a limited set of integer literals and simple expressions without parens. The deparsing logic didn't quite match the grammar rule, and failed to use parens e.g. for "5::bigint". To fix, always surround the expression with parens. Would be nice to omit the parens in simple cases, but unfortunately it's non-trivial to detect such simple cases. Even if the expression is a simple literal 123 in the original query, after parse analysis it becomes a FuncExpr with COERCE_IMPLICIT_CAST rather than a simple Const. Reported-by: yonghao lee Backpatch-through: 13 Discussion: https://www.postgresql.org/message-id/18929-077d6b7093b176e2@postgresql.org |
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| authentication | ||
| examples | ||
| icu | ||
| isolation | ||
| kerberos | ||
| ldap | ||
| locale | ||
| mb | ||
| modules | ||
| perl | ||
| postmaster | ||
| recovery | ||
| regress | ||
| ssl | ||
| subscription | ||
| Makefile | ||
| meson.build | ||
| README | ||
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