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| author | Boris Kolpackov <boris@codesynthesis.com> | 2011-10-02 17:07:21 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2011-10-02 17:07:21 +0200 |
| commit | a06b917d661a61aad88dbf4351494b7c84273dc6 (patch) | |
| tree | 0221f9c6a9bda91a672d9686e8c9dd8543c0ada8 /m4/diff.m4 | |
| parent | 8c858f038f9ae213d962d49d5c5ca085a73e588f (diff) | |
If query substituting placeholder is empty, pass true expression instead
This allows uniform usage of views both with and without any extra
conditions. Also optimize some common cases so that we don't have
useless WHERE TRUE clauses or (...) AND (TRUE) expressions.
Diffstat (limited to 'm4/diff.m4')
0 files changed, 0 insertions, 0 deletions