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Merge pull request #69422 from ClickHouse/add_a_setting

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Add a setting to disallow DETACH PERMANENTLY in Replicated database
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Alexander Tokmakov 2024-09-10 19:56:10 +00:00 committed by GitHub
commit 629d27fec8
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2 changed files with 5 additions and 0 deletions
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1
src/Core/ServerSettings.h
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@ -148,6 +148,7 @@ namespace DB
M(Bool, storage_metadata_write_full_object_key, false, "Write disk metadata files with VERSION_FULL_OBJECT_KEY format", 0) \
M(UInt64, max_materialized_views_count_for_table, 0, "A limit on the number of materialized views attached to a table.", 0) \
M(UInt32, max_database_replicated_create_table_thread_pool_size, 1, "The number of threads to create tables during replica recovery in DatabaseReplicated. Zero means number of threads equal number of cores.", 0) \
M(Bool, database_replicated_allow_detach_permanently, true, "Allow detaching tables permanently in Replicated databases", 0) \
M(Bool, format_alter_operations_with_parentheses, false, "If enabled, each operation in alter queries will be surrounded with parentheses in formatted queries to make them less ambiguous.", 0) \
M(String, default_replica_path, "/clickhouse/tables/{uuid}/{shard}", "The path to the table in ZooKeeper", 0) \
M(String, default_replica_name, "{replica}", "The replica name in ZooKeeper", 0) \

4
src/Databases/DatabaseReplicated.cpp
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@ -63,6 +63,7 @@ namespace ErrorCodes
extern const int NO_ACTIVE_REPLICAS;
extern const int CANNOT_GET_REPLICATED_DATABASE_SNAPSHOT;
extern const int CANNOT_RESTORE_TABLE;
extern const int SUPPORT_IS_DISABLED;
}
static constexpr const char * REPLICATED_DATABASE_MARK = "DatabaseReplicated";
@ -1741,6 +1742,9 @@ void DatabaseReplicated::detachTablePermanently(ContextPtr local_context, const
{
waitDatabaseStarted();
if (!local_context->getServerSettings().database_replicated_allow_detach_permanently)
throw Exception(ErrorCodes::SUPPORT_IS_DISABLED, "Support for DETACH TABLE PERMANENTLY is disabled");
auto txn = local_context->getZooKeeperMetadataTransaction();
assert(!ddl_worker->isCurrentlyActive() || txn);
if (txn && txn->isInitialQuery())