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Rename pg_constraint.conwithoutoverlaps to conperiod

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pg_constraint.conwithoutoverlaps was recently added to support primary
keys and unique constraints with the WITHOUT OVERLAPS clause.  An
upcoming patch provides the foreign-key side of this functionality,
but the syntax there is different and uses the keyword PERIOD.  It
would make sense to use the same pg_constraint field for both of
these, but then we should pick a more general name that conveys "this
constraint has a temporal/period-related feature".  conperiod works
for that and is nicely compact.  Changing this now avoids possibly
having to introduce versioning into clients.  Note there are still
some "without overlaps" variables left, which deal specifically with
the parsing of the primary key/unique constraint feature.

Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Discussion: https://www.postgresql.org/message-id/flat/CA+renyUApHgSZF9-nd-a0+OPGharLQLO=mDHcY4_qQ0+noCUVg@mail.gmail.com
This commit is contained in:
Peter Eisentraut
2024-03-05 11:15:06 +01:00
parent 55cdba2647
commit 030e10ff1a
13 changed files with 26 additions and 27 deletions
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6
src/backend/commands/tablecmds.c
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@ -10378,7 +10378,7 @@ addFkRecurseReferenced(List **wqueue, Constraint *fkconstraint, Relation rel,
conislocal, /* islocal */
coninhcount, /* inhcount */
connoinherit, /* conNoInherit */
false, /* conWithoutOverlaps */
false, /* conPeriod */
false); /* is_internal */
ObjectAddressSet(address, ConstraintRelationId, constrOid);
@ -10677,7 +10677,7 @@ addFkRecurseReferencing(List **wqueue, Constraint *fkconstraint, Relation rel,
false,
1,
false,
false, /* conWithoutOverlaps */
false, /* conPeriod */
false);
/*
@ -11183,7 +11183,7 @@ CloneFkReferencing(List **wqueue, Relation parentRel, Relation partRel)
false, /* islocal */
1, /* inhcount */
false, /* conNoInherit */
false, /* conWithoutOverlaps */
false, /* conPeriod */
true);
/* Set up partition dependencies for the new constraint */