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Suppress "may be used uninitialized" warnings from older compilers.
The "children" list won't be used until "got_children" has been set true, but older compilers don't get that; about half a dozen buildfarm animals are warning about this. Issue added by 11ff192b5. While here, improve slightly-shaky grammar in comment. Discussion: https://postgr.es/m/2057835.1744833309@sss.pgh.pa.us
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@ -9444,9 +9444,9 @@ ATExecDropColumn(List **wqueue, Relation rel, const char *colName,
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*
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*
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* The not-null constraints for a primary key must cover the whole inheritance
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* The not-null constraints for a primary key must cover the whole inheritance
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* hierarchy (failing to ensure that leads to funny corner cases). For the
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* hierarchy (failing to ensure that leads to funny corner cases). For the
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* normal case where we're asked to recurse, this routine ensures that the
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* normal case where we're asked to recurse, this routine checks if the
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* not-null constraints either exist already, or queues a requirement for them
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* not-null constraints exist already, and if not queues a requirement for
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* to be created by phase 2.
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* them to be created by phase 2.
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*
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*
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* For the case where we're asked not to recurse, we verify that a not-null
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* For the case where we're asked not to recurse, we verify that a not-null
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* constraint exists on each column of each (direct) child table, throwing an
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* constraint exists on each column of each (direct) child table, throwing an
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@ -9466,7 +9466,7 @@ ATPrepAddPrimaryKey(List **wqueue, Relation rel, AlterTableCmd *cmd,
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AlterTableUtilityContext *context)
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AlterTableUtilityContext *context)
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{
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{
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Constraint *pkconstr;
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Constraint *pkconstr;
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List *children;
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List *children = NIL;
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bool got_children = false;
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bool got_children = false;
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pkconstr = castNode(Constraint, cmd->def);
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pkconstr = castNode(Constraint, cmd->def);
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