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first time generate an OR indexscan for a two-column index when the WHERE condition is like 'col1 = foo AND (col2 = bar OR col2 = baz)' --- before, the OR had to be on the first column of the index or we'd not notice the possibility of using it. Some progress towards extracting OR indexscans from subclauses of an OR that references multiple relations, too, although this code is #ifdef'd out because it needs more work. |
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.. | ||
clauses.c | ||
joininfo.c | ||
Makefile | ||
pathnode.c | ||
plancat.c | ||
relnode.c | ||
restrictinfo.c | ||
tlist.c | ||
var.c |