mirror of https://github.com/citusdata/citus.git
121 lines
2.8 KiB
C
121 lines
2.8 KiB
C
/*-------------------------------------------------------------------------
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* policy.c
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*
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* This file contains functions to create, alter and drop policies on
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* distributed tables.
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*
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* Copyright (c) Citus Data, Inc.
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*
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*-------------------------------------------------------------------------
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*/
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#include "postgres.h"
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#include "catalog/namespace.h"
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#include "commands/policy.h"
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#include "distributed/commands.h"
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#include "distributed/metadata_cache.h"
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#include "utils/builtins.h"
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/* placeholder for CreatePolicyCommands */
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List *
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CreatePolicyCommands(Oid relationId)
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{
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/* placeholder for future implementation */
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return NIL;
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}
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/* placeholder for PreprocessCreatePolicyStmt */
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List *
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PreprocessCreatePolicyStmt(Node *node, const char *queryString)
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{
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CreatePolicyStmt *stmt = castNode(CreatePolicyStmt, node);
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Oid relationId = RangeVarGetRelid(stmt->table,
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AccessExclusiveLock,
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false);
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if (IsCitusTable(relationId))
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{
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ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
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errmsg("policies on distributed tables are only supported in "
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"Citus Enterprise")));
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}
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/* placeholder for future implementation */
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return NIL;
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}
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/* placeholder for PreprocessAlterPolicyStmt */
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List *
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PreprocessAlterPolicyStmt(Node *node, const char *queryString)
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{
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/* placeholder for future implementation */
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return NIL;
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}
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/* placeholder for ErrorIfUnsupportedPolicy */
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void
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ErrorIfUnsupportedPolicy(Relation relation)
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{
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if (relation_has_policies(relation))
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{
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ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
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errmsg("policies on distributed tables are only supported in "
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"Citus Enterprise"),
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errhint("Remove any policies on a table before distributing")));
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}
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}
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/* placeholder for PreprocessDropPolicyStmt */
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List *
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PreprocessDropPolicyStmt(Node *node, const char *queryString)
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{
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/* placeholder for future implementation */
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return NIL;
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}
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/* placeholder for IsPolicyRenameStmt */
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bool
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IsPolicyRenameStmt(RenameStmt *stmt)
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{
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/* placeholder for future implementation */
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return false;
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}
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/* placeholder for CreatePolicyEventExtendNames */
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void
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CreatePolicyEventExtendNames(CreatePolicyStmt *stmt, const char *schemaName, uint64
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shardId)
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{
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/* placeholder for future implementation */
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}
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/* placeholder for AlterPolicyEventExtendNames */
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void
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AlterPolicyEventExtendNames(AlterPolicyStmt *stmt, const char *schemaName, uint64 shardId)
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{
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/* placeholder for future implementation */
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}
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/* placeholder for RenamePolicyEventExtendNames */
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void
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RenamePolicyEventExtendNames(RenameStmt *stmt, const char *schemaName, uint64 shardId)
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{
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/* placeholder for future implementation */
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}
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/* placeholder for DropPolicyEventExtendNames */
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void
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DropPolicyEventExtendNames(DropStmt *dropStmt, const char *schemaName, uint64 shardId)
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{
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/* placeholder for future implementation */
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}
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