pgsql: Rename a parse node to be more general

Rename a parse node to be more general

A WHERE clause will be used for row filtering in logical replication.
We already have a similar node: 'WHERE (condition here)'.  Let's
rename the node to a generic name and use it for row filtering too.

Author: Euler Taveira <euler.taveira@enterprisedb.com>
Discussion:
https://www.postgresql.org/message-id/flat/CAHE3wggb715X+mK_DitLXF25B=jE6xyNCH4YOwM860JR7HarGQ@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/91d1f2d302108f49006eedb8053522236dde77cc

Modified Files
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src/backend/parser/gram.y | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)