Add support for NullIfExpr in eval_const_expressions
authorPeter Eisentraut <peter@eisentraut.org>
Fri, 2 Apr 2021 09:01:49 +0000 (11:01 +0200)
committerPeter Eisentraut <peter@eisentraut.org>
Fri, 2 Apr 2021 09:01:49 +0000 (11:01 +0200)
commit9c5f67fd6256246b2a788a8feb1d42b79dcd0448
tree29341da82c83b885ee5f1a5b8a8632e7d61bc12a
parent96bdb7e19de80a0c9521c5696455bca2a685c919
Add support for NullIfExpr in eval_const_expressions

Author: Hou Zhijie <houzj.fnst@cn.fujitsu.com>
Discussion: https://www.postgresql.org/message-id/flat/7ea5ce773bbc4eea9ff1a381acd3b102@G08CNEXMBPEKD05.g08.fujitsu.local
src/backend/optimizer/util/clauses.c
src/test/regress/expected/case.out
src/test/regress/sql/case.sql