Add Nullif case for eval_const_expressions_mutator

From: "Hou, Zhijie" <houzj(dot)fnst(at)cn(dot)fujitsu(dot)com>
To: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Add Nullif case for eval_const_expressions_mutator
Date: 2020-11-10 11:31:47
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I notice that there are no Nullif case in eval_const_expression.
Since Nullif is similar to Opexpr and is easy to implement,
I try add this case in eval_const_expressions_mutator.

Best regards,

Attachment Content-Type Size
0001-patch-eval-NULLIF.patch application/octet-stream 4.2 KB


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