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authorTom Lane <tgl@sss.pgh.pa.us>2012-06-17 20:16:07 -0400
committerTom Lane <tgl@sss.pgh.pa.us>2012-06-17 20:16:44 -0400
commitf5297bdfe4c4a47376c41b96161fb55c2294a0b1 (patch)
treea16c04a93f38ec3ecde20ed318911b5dc31fcae6 /src/backend/access/gist/gistutil.c
parentbb7520cc26dcd392e3dce294b685b3a0d6dae9e9 (diff)
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Refer to the default foreign key match style as MATCH SIMPLE internally.
Previously we followed the SQL92 wording, "MATCH <unspecified>", but since SQL99 there's been a less awkward way to refer to the default style. In addition to the code changes, pg_constraint.confmatchtype now stores this match style as 's' (SIMPLE) rather than 'u' (UNSPECIFIED). This doesn't affect pg_dump or psql because they use pg_get_constraintdef() to reconstruct foreign key definitions. But other client-side code might examine that column directly, so this change will have to be marked as an incompatibility in the 9.3 release notes.
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