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Diffstat (limited to 'src/backend/commands/opclasscmds.c')
-rw-r--r--src/backend/commands/opclasscmds.c170
1 files changed, 101 insertions, 69 deletions
diff --git a/src/backend/commands/opclasscmds.c b/src/backend/commands/opclasscmds.c
index 351866f9f22..28395d5946f 100644
--- a/src/backend/commands/opclasscmds.c
+++ b/src/backend/commands/opclasscmds.c
@@ -27,7 +27,6 @@
#include "catalog/dependency.h"
#include "catalog/indexing.h"
#include "catalog/objectaccess.h"
-#include "catalog/opfam_internal.h"
#include "catalog/pg_am.h"
#include "catalog/pg_amop.h"
#include "catalog/pg_amproc.h"
@@ -62,12 +61,10 @@ static void processTypesSpec(List *args, Oid *lefttype, Oid *righttype);
static void assignOperTypes(OpFamilyMember *member, Oid amoid, Oid typeoid);
static void assignProcTypes(OpFamilyMember *member, Oid amoid, Oid typeoid,
int opclassOptsProcNum);
-static void addFamilyMember(List **list, OpFamilyMember *member, bool isProc);
-static void storeOperators(List *opfamilyname, Oid amoid,
- Oid opfamilyoid, Oid opclassoid,
+static void addFamilyMember(List **list, OpFamilyMember *member);
+static void storeOperators(List *opfamilyname, Oid amoid, Oid opfamilyoid,
List *operators, bool isAdd);
-static void storeProcedures(List *opfamilyname, Oid amoid,
- Oid opfamilyoid, Oid opclassoid,
+static void storeProcedures(List *opfamilyname, Oid amoid, Oid opfamilyoid,
List *procedures, bool isAdd);
static void dropOperators(List *opfamilyname, Oid amoid, Oid opfamilyoid,
List *operators);
@@ -518,11 +515,12 @@ DefineOpClass(CreateOpClassStmt *stmt)
/* Save the info */
member = (OpFamilyMember *) palloc0(sizeof(OpFamilyMember));
+ member->is_func = false;
member->object = operOid;
member->number = item->number;
member->sortfamily = sortfamilyOid;
assignOperTypes(member, amoid, typeoid);
- addFamilyMember(&operators, member, false);
+ addFamilyMember(&operators, member);
break;
case OPCLASS_ITEM_FUNCTION:
if (item->number <= 0 || item->number > maxProcNumber)
@@ -541,6 +539,7 @@ DefineOpClass(CreateOpClassStmt *stmt)
#endif
/* Save the info */
member = (OpFamilyMember *) palloc0(sizeof(OpFamilyMember));
+ member->is_func = true;
member->object = funcOid;
member->number = item->number;
@@ -550,7 +549,7 @@ DefineOpClass(CreateOpClassStmt *stmt)
&member->lefttype, &member->righttype);
assignProcTypes(member, amoid, typeoid, optsProcNumber);
- addFamilyMember(&procedures, member, true);
+ addFamilyMember(&procedures, member);
break;
case OPCLASS_ITEM_STORAGETYPE:
if (OidIsValid(storageoid))
@@ -663,13 +662,45 @@ DefineOpClass(CreateOpClassStmt *stmt)
heap_freetuple(tup);
/*
+ * Now that we have the opclass OID, set up default dependency info for
+ * the pg_amop and pg_amproc entries. Historically, CREATE OPERATOR CLASS
+ * has created hard dependencies on the opclass, so that's what we use.
+ */
+ foreach(l, operators)
+ {
+ OpFamilyMember *op = (OpFamilyMember *) lfirst(l);
+
+ op->ref_is_hard = true;
+ op->ref_is_family = false;
+ op->refobjid = opclassoid;
+ }
+ foreach(l, procedures)
+ {
+ OpFamilyMember *proc = (OpFamilyMember *) lfirst(l);
+
+ proc->ref_is_hard = true;
+ proc->ref_is_family = false;
+ proc->refobjid = opclassoid;
+ }
+
+ /*
+ * Let the index AM editorialize on the dependency choices. It could also
+ * do further validation on the operators and functions, if it likes.
+ */
+ if (amroutine->amadjustmembers)
+ amroutine->amadjustmembers(opfamilyoid,
+ opclassoid,
+ operators,
+ procedures);
+
+ /*
* Now add tuples to pg_amop and pg_amproc tying in the operators and
* functions. Dependencies on them are inserted, too.
*/
storeOperators(stmt->opfamilyname, amoid, opfamilyoid,
- opclassoid, operators, false);
+ operators, false);
storeProcedures(stmt->opfamilyname, amoid, opfamilyoid,
- opclassoid, procedures, false);
+ procedures, false);
/* let event triggers know what happened */
EventTriggerCollectCreateOpClass(stmt, opclassoid, operators, procedures);
@@ -842,6 +873,7 @@ AlterOpFamilyAdd(AlterOpFamilyStmt *stmt, Oid amoid, Oid opfamilyoid,
int maxOpNumber, int maxProcNumber, int optsProcNumber,
List *items)
{
+ IndexAmRoutine *amroutine = GetIndexAmRoutineByAmId(amoid, false);
List *operators; /* OpFamilyMember list for operators */
List *procedures; /* OpFamilyMember list for support procs */
ListCell *l;
@@ -900,11 +932,17 @@ AlterOpFamilyAdd(AlterOpFamilyStmt *stmt, Oid amoid, Oid opfamilyoid,
/* Save the info */
member = (OpFamilyMember *) palloc0(sizeof(OpFamilyMember));
+ member->is_func = false;
member->object = operOid;
member->number = item->number;
member->sortfamily = sortfamilyOid;
+ /* We can set up dependency fields immediately */
+ /* Historically, ALTER ADD has created soft dependencies */
+ member->ref_is_hard = false;
+ member->ref_is_family = true;
+ member->refobjid = opfamilyoid;
assignOperTypes(member, amoid, InvalidOid);
- addFamilyMember(&operators, member, false);
+ addFamilyMember(&operators, member);
break;
case OPCLASS_ITEM_FUNCTION:
if (item->number <= 0 || item->number > maxProcNumber)
@@ -924,8 +962,14 @@ AlterOpFamilyAdd(AlterOpFamilyStmt *stmt, Oid amoid, Oid opfamilyoid,
/* Save the info */
member = (OpFamilyMember *) palloc0(sizeof(OpFamilyMember));
+ member->is_func = true;
member->object = funcOid;
member->number = item->number;
+ /* We can set up dependency fields immediately */
+ /* Historically, ALTER ADD has created soft dependencies */
+ member->ref_is_hard = false;
+ member->ref_is_family = true;
+ member->refobjid = opfamilyoid;
/* allow overriding of the function's actual arg types */
if (item->class_args)
@@ -933,7 +977,7 @@ AlterOpFamilyAdd(AlterOpFamilyStmt *stmt, Oid amoid, Oid opfamilyoid,
&member->lefttype, &member->righttype);
assignProcTypes(member, amoid, InvalidOid, optsProcNumber);
- addFamilyMember(&procedures, member, true);
+ addFamilyMember(&procedures, member);
break;
case OPCLASS_ITEM_STORAGETYPE:
ereport(ERROR,
@@ -947,13 +991,23 @@ AlterOpFamilyAdd(AlterOpFamilyStmt *stmt, Oid amoid, Oid opfamilyoid,
}
/*
+ * Let the index AM editorialize on the dependency choices. It could also
+ * do further validation on the operators and functions, if it likes.
+ */
+ if (amroutine->amadjustmembers)
+ amroutine->amadjustmembers(opfamilyoid,
+ InvalidOid, /* no specific opclass */
+ operators,
+ procedures);
+
+ /*
* Add tuples to pg_amop and pg_amproc tying in the operators and
* functions. Dependencies on them are inserted, too.
*/
storeOperators(stmt->opfamilyname, amoid, opfamilyoid,
- InvalidOid, operators, true);
+ operators, true);
storeProcedures(stmt->opfamilyname, amoid, opfamilyoid,
- InvalidOid, procedures, true);
+ procedures, true);
/* make information available to event triggers */
EventTriggerCollectAlterOpFam(stmt, opfamilyoid,
@@ -996,10 +1050,11 @@ AlterOpFamilyDrop(AlterOpFamilyStmt *stmt, Oid amoid, Oid opfamilyoid,
processTypesSpec(item->class_args, &lefttype, &righttype);
/* Save the info */
member = (OpFamilyMember *) palloc0(sizeof(OpFamilyMember));
+ member->is_func = false;
member->number = item->number;
member->lefttype = lefttype;
member->righttype = righttype;
- addFamilyMember(&operators, member, false);
+ addFamilyMember(&operators, member);
break;
case OPCLASS_ITEM_FUNCTION:
if (item->number <= 0 || item->number > maxProcNumber)
@@ -1011,10 +1066,11 @@ AlterOpFamilyDrop(AlterOpFamilyStmt *stmt, Oid amoid, Oid opfamilyoid,
processTypesSpec(item->class_args, &lefttype, &righttype);
/* Save the info */
member = (OpFamilyMember *) palloc0(sizeof(OpFamilyMember));
+ member->is_func = true;
member->number = item->number;
member->lefttype = lefttype;
member->righttype = righttype;
- addFamilyMember(&procedures, member, true);
+ addFamilyMember(&procedures, member);
break;
case OPCLASS_ITEM_STORAGETYPE:
/* grammar prevents this from appearing */
@@ -1324,7 +1380,7 @@ assignProcTypes(OpFamilyMember *member, Oid amoid, Oid typeoid,
* duplicated strategy or proc number.
*/
static void
-addFamilyMember(List **list, OpFamilyMember *member, bool isProc)
+addFamilyMember(List **list, OpFamilyMember *member)
{
ListCell *l;
@@ -1336,7 +1392,7 @@ addFamilyMember(List **list, OpFamilyMember *member, bool isProc)
old->lefttype == member->lefttype &&
old->righttype == member->righttype)
{
- if (isProc)
+ if (member->is_func)
ereport(ERROR,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
errmsg("function number %d for (%s,%s) appears more than once",
@@ -1358,13 +1414,10 @@ addFamilyMember(List **list, OpFamilyMember *member, bool isProc)
/*
* Dump the operators to pg_amop
*
- * We also make dependency entries in pg_depend for the opfamily entries.
- * If opclassoid is valid then make an INTERNAL dependency on that opclass,
- * else make an AUTO dependency on the opfamily.
+ * We also make dependency entries in pg_depend for the pg_amop entries.
*/
static void
-storeOperators(List *opfamilyname, Oid amoid,
- Oid opfamilyoid, Oid opclassoid,
+storeOperators(List *opfamilyname, Oid amoid, Oid opfamilyoid,
List *operators, bool isAdd)
{
Relation rel;
@@ -1434,28 +1487,17 @@ storeOperators(List *opfamilyname, Oid amoid,
referenced.objectId = op->object;
referenced.objectSubId = 0;
- if (OidIsValid(opclassoid))
- {
- /* if contained in an opclass, use a NORMAL dep on operator */
- recordDependencyOn(&myself, &referenced, DEPENDENCY_NORMAL);
+ /* see comments in amapi.h about dependency strength */
+ recordDependencyOn(&myself, &referenced,
+ op->ref_is_hard ? DEPENDENCY_NORMAL : DEPENDENCY_AUTO);
- /* ... and an INTERNAL dep on the opclass */
- referenced.classId = OperatorClassRelationId;
- referenced.objectId = opclassoid;
- referenced.objectSubId = 0;
- recordDependencyOn(&myself, &referenced, DEPENDENCY_INTERNAL);
- }
- else
- {
- /* if "loose" in the opfamily, use a AUTO dep on operator */
- recordDependencyOn(&myself, &referenced, DEPENDENCY_AUTO);
+ referenced.classId = op->ref_is_family ? OperatorFamilyRelationId :
+ OperatorClassRelationId;
+ referenced.objectId = op->refobjid;
+ referenced.objectSubId = 0;
- /* ... and an AUTO dep on the opfamily */
- referenced.classId = OperatorFamilyRelationId;
- referenced.objectId = opfamilyoid;
- referenced.objectSubId = 0;
- recordDependencyOn(&myself, &referenced, DEPENDENCY_AUTO);
- }
+ recordDependencyOn(&myself, &referenced,
+ op->ref_is_hard ? DEPENDENCY_INTERNAL : DEPENDENCY_AUTO);
/* A search operator also needs a dep on the referenced opfamily */
if (OidIsValid(op->sortfamily))
@@ -1463,8 +1505,11 @@ storeOperators(List *opfamilyname, Oid amoid,
referenced.classId = OperatorFamilyRelationId;
referenced.objectId = op->sortfamily;
referenced.objectSubId = 0;
- recordDependencyOn(&myself, &referenced, DEPENDENCY_NORMAL);
+
+ recordDependencyOn(&myself, &referenced,
+ op->ref_is_hard ? DEPENDENCY_NORMAL : DEPENDENCY_AUTO);
}
+
/* Post create hook of this access method operator */
InvokeObjectPostCreateHook(AccessMethodOperatorRelationId,
entryoid, 0);
@@ -1476,13 +1521,10 @@ storeOperators(List *opfamilyname, Oid amoid,
/*
* Dump the procedures (support routines) to pg_amproc
*
- * We also make dependency entries in pg_depend for the opfamily entries.
- * If opclassoid is valid then make an INTERNAL dependency on that opclass,
- * else make an AUTO dependency on the opfamily.
+ * We also make dependency entries in pg_depend for the pg_amproc entries.
*/
static void
-storeProcedures(List *opfamilyname, Oid amoid,
- Oid opfamilyoid, Oid opclassoid,
+storeProcedures(List *opfamilyname, Oid amoid, Oid opfamilyoid,
List *procedures, bool isAdd)
{
Relation rel;
@@ -1546,28 +1588,18 @@ storeProcedures(List *opfamilyname, Oid amoid,
referenced.objectId = proc->object;
referenced.objectSubId = 0;
- if (OidIsValid(opclassoid))
- {
- /* if contained in an opclass, use a NORMAL dep on procedure */
- recordDependencyOn(&myself, &referenced, DEPENDENCY_NORMAL);
+ /* see comments in amapi.h about dependency strength */
+ recordDependencyOn(&myself, &referenced,
+ proc->ref_is_hard ? DEPENDENCY_NORMAL : DEPENDENCY_AUTO);
- /* ... and an INTERNAL dep on the opclass */
- referenced.classId = OperatorClassRelationId;
- referenced.objectId = opclassoid;
- referenced.objectSubId = 0;
- recordDependencyOn(&myself, &referenced, DEPENDENCY_INTERNAL);
- }
- else
- {
- /* if "loose" in the opfamily, use a AUTO dep on procedure */
- recordDependencyOn(&myself, &referenced, DEPENDENCY_AUTO);
+ referenced.classId = proc->ref_is_family ? OperatorFamilyRelationId :
+ OperatorClassRelationId;
+ referenced.objectId = proc->refobjid;
+ referenced.objectSubId = 0;
+
+ recordDependencyOn(&myself, &referenced,
+ proc->ref_is_hard ? DEPENDENCY_INTERNAL : DEPENDENCY_AUTO);
- /* ... and an AUTO dep on the opfamily */
- referenced.classId = OperatorFamilyRelationId;
- referenced.objectId = opfamilyoid;
- referenced.objectSubId = 0;
- recordDependencyOn(&myself, &referenced, DEPENDENCY_AUTO);
- }
/* Post create hook of access method procedure */
InvokeObjectPostCreateHook(AccessMethodProcedureRelationId,
entryoid, 0);
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-21 05:31:58 +0000