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postgres/src/backend/access
Andrew Dunstan 9625ab7924 Fast default trigger and expand_tuple fixes
Ensure that triggers get properly filled in tuples for the OLD value.
Also fix the logic of detecting missing null values. The previous logic
failed to detect a missing null column before the first missing column
with a default. Fixing this has simplified the logic a bit.

Regression tests are added to test changes. This should ensure better
coverage of expand_tuple().

Original bug reports, and some code and test scripts from Tomas Vondra

Backpatch to release 11.
2018-09-24 16:20:08 -04:00
..
2018-01-02 23:30:12 -05:00