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| author | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2018-07-16 18:38:09 -0400 |
|---|---|---|
| committer | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2018-07-16 18:38:59 -0400 |
| commit | e353389d24da48c708f72379f87e9b518baac521 (patch) | |
| tree | 21f3d0a6742c8f6e7358d1ca1d1a73ebadab0e0d /src/backend/executor/nodeModifyTable.c | |
| parent | 32df1c9afa5a11e37b154fe50df7a4f016f289e4 (diff) | |
| download | postgresql-e353389d24da48c708f72379f87e9b518baac521.tar.gz postgresql-e353389d24da48c708f72379f87e9b518baac521.zip | |
Fix partition pruning with IS [NOT] NULL clauses
The original code was unable to prune partitions that could not possibly
contain NULL values, when the query specified less than all columns in a
multicolumn partition key. Reorder the if-tests so that it is, and add
more commentary and regression tests.
Reported-by: Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>
Co-authored-by: Dilip Kumar <dilipbalaut@gmail.com>
Co-authored-by: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Co-authored-by: Álvaro Herrera <alvherre@alvh.no-ip.org>
Reviewed-by: Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>
Reviewed-by: amul sul <sulamul@gmail.com>
Discussion: https://postgr.es/m/CAFjFpRc7qjLUfXLVBBC_HAnx644sjTYM=qVoT3TJ840HPbsTXw@mail.gmail.com
Diffstat (limited to 'src/backend/executor/nodeModifyTable.c')
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