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Don't use SnapshotNow in get_actual_variable_range.

author Robert Haas <rhaas@postgresql.org>

2013年7月25日 18:30:00 +0000 (14:30 -0400)

committer Robert Haas <rhaas@postgresql.org>

2013年7月25日 18:30:00 +0000 (14:30 -0400)

commit 3483f4332de73e038db64be0614219b64fd3c971

tree 5d787d946f935156fd729724ad1530a94447b4d8 tree

parent 1b09630fce1dfd4116eaaf154766a8a435168193 commit | diff

Don't use SnapshotNow in get_actual_variable_range.

Instead, use the active snapshot. Per Tom Lane, this function is
most interested in knowing the range of tuples our scan will actually
see.

This is another step towards full removal of SnapshotNow.

src/backend/utils/adt/selfuncs.c diff | blob | blame | history

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