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authorBoris Kolpackov <boris@codesynthesis.com>2011-10-02 17:07:20 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2011-10-02 17:07:20 +0200
commit894c72c73dc07ce417e5411bd3ac50f4c0461a60 (patch)
treee13f9b9557e112649463a888b40d31c2bdab1854 /m4/threads.m4
parent7c8575dc312511623889119acbd105bbf4deb35b (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/threads.m4')
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