pgsql: Checks for ALTER TABLE ... SPLIT/MERGE PARTITIONS ... commands

Checks for ALTER TABLE ... SPLIT/MERGE PARTITIONS ... commands

Check that the target partition actually belongs to the parent table.

Reported-by: Alexander Lakhin
Discussion: https://postgr.es/m/cd842601-cf1a-9806-f7b7-d2509b93ba61%40gmail.com
Author: Dmitry Koval

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/c99ef1811a064a94fb78917f35bb5853059a92b7

Modified Files
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src/backend/commands/tablecmds.c              | 12 ---------
src/backend/parser/parse_utilcmd.c            | 39 +++++++++++++++++++++++++++
src/test/regress/expected/partition_merge.out | 29 +++++++++++++++-----
src/test/regress/expected/partition_split.out | 13 +++++++++
src/test/regress/sql/partition_merge.sql      | 24 ++++++++++++++---
src/test/regress/sql/partition_split.sql      | 15 +++++++++++
6 files changed, 111 insertions(+), 21 deletions(-)