pgsql: Use the properly transformed RangeVar for expandTableLikeClause(

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От Tom Lane
Тема pgsql: Use the properly transformed RangeVar for expandTableLikeClause(
Дата
Msg-id E1kHVEa-0004h4-NB@gemulon.postgresql.org
обсуждение исходный текст
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Use the properly transformed RangeVar for expandTableLikeClause().

transformCreateStmt() adjusts the transformed statement's RangeVar
to specify the target schema explicitly, for the express reason
of making sure that auxiliary statements derived by parse
transformation operate on the right table.  But the refactoring
I did in commit 502898192 got this wrong and passed the untransformed
RangeVar to expandTableLikeClause().  This could lead to assertion
failures or weird misbehavior if the wrong table was accessed.

Per report from Alexander Lakhin.  Like the previous patch, back-patch
to all supported branches.

Discussion: https://postgr.es/m/05051f9d-b32b-cb35-6735-0e9f2ab86b5f@gmail.com

Branch
------
REL_10_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/783a21eff37ec2cbe44b6e88aa4edb15a151155e

Modified Files
--------------
src/backend/tcop/utility.c                      | 23 +++++++++++++++++------
src/test/regress/expected/create_table_like.out | 18 ++++++++++++++++++
src/test/regress/sql/create_table_like.sql      |  5 +++++
3 files changed, 40 insertions(+), 6 deletions(-)


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