Ensure dependencies exists for all alter owner commands

src/backend/distributed/commands/collation.c

@@ -300,6 +300,32 @@ PreprocessAlterCollationOwnerStmt(Node *node, const char *queryString,
 }
 
 
+/*
+ * PostprocessAlterCollationOwnerStmt is invoked after the owner has been changed locally.
+ * Since changing the owner could result in new dependencies being found for this object
+ * we re-ensure all the dependencies for the collation do exist.
+ *
+ * This is solely to propagate the new owner (and all its dependencies) if it was not
+ * already distributed in the cluster.
+ */
+List *
+PostprocessAlterCollationOwnerStmt(Node *node, const char *queryString)
+{
+	AlterOwnerStmt *stmt = castNode(AlterOwnerStmt, node);
+	Assert(stmt->objectType == OBJECT_COLLATION);
+
+	ObjectAddress collationAddress = GetObjectAddressFromParseTree((Node *) stmt, false);
+	if (!ShouldPropagateObject(&collationAddress))
+	{
+		return NIL;
+	}
+
+	EnsureDependenciesExistOnAllNodes(&collationAddress);
+
+	return NIL;
+}
+
+
 /*
  * PreprocessRenameCollationStmt is called when the user is renaming the collation. The invocation happens
  * before the statement is applied locally.

src/backend/distributed/commands/distribute_object_ops.c

@@ -37,7 +37,7 @@ static DistributeObjectOps Aggregate_AlterOwner = {
 	.deparse = DeparseAlterFunctionOwnerStmt,
 	.qualify = QualifyAlterFunctionOwnerStmt,
 	.preprocess = PreprocessAlterFunctionOwnerStmt,
-	.postprocess = NULL,
+	.postprocess = PostprocessAlterFunctionOwnerStmt,
 	.address = AlterFunctionOwnerObjectAddress,
 	.markDistributed = false,
 };
@@ -269,7 +269,7 @@ static DistributeObjectOps Collation_AlterOwner = {
 	.deparse = DeparseAlterCollationOwnerStmt,
 	.qualify = QualifyAlterCollationOwnerStmt,
 	.preprocess = PreprocessAlterCollationOwnerStmt,
-	.postprocess = NULL,
+	.postprocess = PostprocessAlterCollationOwnerStmt,
 	.address = AlterCollationOwnerObjectAddress,
 	.markDistributed = false,
 };
@@ -373,7 +373,7 @@ static DistributeObjectOps Function_AlterOwner = {
 	.deparse = DeparseAlterFunctionOwnerStmt,
 	.qualify = QualifyAlterFunctionOwnerStmt,
 	.preprocess = PreprocessAlterFunctionOwnerStmt,
-	.postprocess = NULL,
+	.postprocess = PostprocessAlterFunctionOwnerStmt,
 	.address = AlterFunctionOwnerObjectAddress,
 	.markDistributed = false,
 };
@@ -437,7 +437,7 @@ static DistributeObjectOps Procedure_AlterOwner = {
 	.deparse = DeparseAlterFunctionOwnerStmt,
 	.qualify = QualifyAlterFunctionOwnerStmt,
 	.preprocess = PreprocessAlterFunctionOwnerStmt,
-	.postprocess = NULL,
+	.postprocess = PostprocessAlterFunctionOwnerStmt,
 	.address = AlterFunctionOwnerObjectAddress,
 	.markDistributed = false,
 };
@@ -581,7 +581,7 @@ static DistributeObjectOps Routine_AlterOwner = {
 	.deparse = DeparseAlterFunctionOwnerStmt,
 	.qualify = QualifyAlterFunctionOwnerStmt,
 	.preprocess = PreprocessAlterFunctionOwnerStmt,
-	.postprocess = NULL,
+	.postprocess = PostprocessAlterFunctionOwnerStmt,
 	.address = AlterFunctionOwnerObjectAddress,
 	.markDistributed = false,
 };
@@ -647,7 +647,7 @@ static DistributeObjectOps Statistics_AlterOwner = {
 	.deparse = DeparseAlterStatisticsOwnerStmt,
 	.qualify = QualifyAlterStatisticsOwnerStmt,
 	.preprocess = PreprocessAlterStatisticsOwnerStmt,
-	.postprocess = NULL,
+	.postprocess = PostprocessAlterStatisticsOwnerStmt,
 	.address = NULL,
 	.markDistributed = false,
 };

src/backend/distributed/commands/function.c

@@ -1584,6 +1584,32 @@ PreprocessAlterFunctionOwnerStmt(Node *node, const char *queryString,
 }
 
 
+/*
+ * PostprocessAlterFunctionOwnerStmt is invoked after the owner has been changed locally.
+ * Since changing the owner could result in new dependencies being found for this object
+ * we re-ensure all the dependencies for the function do exist.
+ *
+ * This is solely to propagate the new owner (and all its dependencies) if it was not
+ * already distributed in the cluster.
+ */
+List *
+PostprocessAlterFunctionOwnerStmt(Node *node, const char *queryString)
+{
+	AlterOwnerStmt *stmt = castNode(AlterOwnerStmt, node);
+	AssertObjectTypeIsFunctional(stmt->objectType);
+
+	ObjectAddress address = GetObjectAddressFromParseTree((Node *) stmt, false);
+	if (!ShouldPropagateAlterFunction(&address))
+	{
+		return NIL;
+	}
+
+	EnsureDependenciesExistOnAllNodes(&address);
+
+	return NIL;
+}
+
+
 /*
  * PreprocessDropFunctionStmt gets called during the planning phase of a DROP FUNCTION statement
  * and returns a list of DDLJob's that will drop any distributed functions from the

src/backend/distributed/commands/statistics.c

@@ -427,6 +427,37 @@ PreprocessAlterStatisticsOwnerStmt(Node *node, const char *queryString,
 }
 
 
+/*
+ * PostprocessAlterStatisticsOwnerStmt is invoked after the owner has been changed locally.
+ * Since changing the owner could result in new dependencies being found for this object
+ * we re-ensure all the dependencies for the statistics do exist.
+ *
+ * This is solely to propagate the new owner (and all its dependencies) if it was not
+ * already distributed in the cluster.
+ */
+List *
+PostprocessAlterStatisticsOwnerStmt(Node *node, const char *queryString)
+{
+	AlterOwnerStmt *stmt = castNode(AlterOwnerStmt, node);
+	Assert(stmt->objectType == OBJECT_STATISTIC_EXT);
+
+	Oid statsOid = get_statistics_object_oid((List *) stmt->object, false);
+	Oid relationId = GetRelIdByStatsOid(statsOid);
+
+	if (!IsCitusTable(relationId) || !ShouldPropagate())
+	{
+		return NIL;
+	}
+
+	ObjectAddress statisticsAddress = { 0 };
+	ObjectAddressSet(statisticsAddress, StatisticExtRelationId, statsOid);
+
+	EnsureDependenciesExistOnAllNodes(&statisticsAddress);
+
+	return NIL;
+}
+
+
 /*
  * GetExplicitStatisticsCommandList returns the list of DDL commands to create
  * or alter statistics that are explicitly created for the table with relationId.

src/include/distributed/commands.h

@@ -146,6 +146,7 @@ extern List * PreprocessDropCollationStmt(Node *stmt, const char *queryString,
 extern List * PreprocessAlterCollationOwnerStmt(Node *stmt, const char *queryString,
 												ProcessUtilityContext
 												processUtilityContext);
+extern List * PostprocessAlterCollationOwnerStmt(Node *node, const char *queryString);
 extern List * PreprocessAlterCollationSchemaStmt(Node *stmt, const char *queryString,
 												 ProcessUtilityContext
 												 processUtilityContext);
@@ -281,6 +282,7 @@ extern ObjectAddress RenameFunctionStmtObjectAddress(Node *stmt,
 													 bool missing_ok);
 extern List * PreprocessAlterFunctionOwnerStmt(Node *stmt, const char *queryString,
 											   ProcessUtilityContext processUtilityContext);
+extern List * PostprocessAlterFunctionOwnerStmt(Node *stmt, const char *queryString);
 extern ObjectAddress AlterFunctionOwnerObjectAddress(Node *stmt,
 													 bool missing_ok);
 extern List * PreprocessAlterFunctionSchemaStmt(Node *stmt, const char *queryString,
@@ -432,6 +434,7 @@ extern List * PreprocessAlterStatisticsStmt(Node *node, const char *queryString,
 extern List * PreprocessAlterStatisticsOwnerStmt(Node *node, const char *queryString,
 												 ProcessUtilityContext
 												 processUtilityContext);
+extern List * PostprocessAlterStatisticsOwnerStmt(Node *node, const char *queryString);
 extern List * GetExplicitStatisticsCommandList(Oid relationId);
 extern List * GetExplicitStatisticsSchemaIdList(Oid relationId);
 extern List * GetAlterIndexStatisticsCommands(Oid indexOid);