Thread: pgsql: Add support for NullIfExpr in eval_const_expressions

pgsql: Add support for NullIfExpr in eval_const_expressions

From
Peter Eisentraut
Date:
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

Branch
------
master

Details
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https://git.postgresql.org/pg/commitdiff/9c5f67fd6256246b2a788a8feb1d42b79dcd0448

Modified Files
--------------
src/backend/optimizer/util/clauses.c | 30 ++++++++++++++++++++++++++++++
src/test/regress/expected/case.out   | 25 +++++++++++++++++++++++++
src/test/regress/sql/case.sql        | 11 +++++++++++
3 files changed, 66 insertions(+)