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ProcedureCreate neglected to record dependencies on default expressions.

Thus, an object referenced in a default expression could be dropped whilethe function remained present. This was unaccountably missed in theoriginal patch to add default parameters for functions. Reported byPavel Stehule.

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src/backend/catalog
- pg_proc.c

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`‎src/backend/catalog/pg_proc.c`

Lines changed: 5 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -597,6 +597,11 @@ ProcedureCreate(const char *procedureName,`
`597`	`597`	`recordDependencyOn(&myself,&referenced,DEPENDENCY_NORMAL);`
`598`	`598`	`}`
`599`	`599`
	`600`	`+/* dependency on parameter default expressions */`
	`601`	`+if (parameterDefaults)`
	`602`	`+recordDependencyOnExpr(&myself, (Node*)parameterDefaults,`
	`603`	`+NIL,DEPENDENCY_NORMAL);`
	`604`	`+`
`600`	`605`	`/* dependency on owner */`
`601`	`606`	`if (!is_update)`
`602`	`607`	`recordDependencyOnOwner(ProcedureRelationId,retval,proowner);`

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Commitf994bf9

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`‎src/backend/catalog/pg_proc.c`

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