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Reject drop table if any ddl is running on this table

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This commit is contained in:
Hongqin-Li 2022-11-09 15:35:55 +00:00 committed by wangzelin.wzl
parent 44cebeb825
commit f83bd7225c
3 changed files with 82 additions and 1 deletions
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58
src/rootserver/ddl_task/ob_ddl_task.cpp
View File

@ -1400,6 +1400,64 @@ int ObDDLTaskRecordOperator::check_has_long_running_ddl(
return ret;
}
int ObDDLTaskRecordOperator::check_has_conflict_ddl(
common::ObMySQLProxy *proxy,
const uint64_t tenant_id,
const uint64_t table_id,
const int64_t task_id,
const ObDDLType ddl_type,
bool &has_conflict_ddl)
{
int ret = OB_SUCCESS;
has_conflict_ddl = false;
if (OB_UNLIKELY(nullptr == proxy || !proxy->is_inited()
|| OB_INVALID_ID == tenant_id
|| OB_INVALID_ID == table_id)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid arg", K(ret), KP(proxy), K(tenant_id), K(table_id));
} else {
ObSqlString sql_string;
SMART_VAR(ObMySQLProxy::MySQLResult, res) {
sqlclient::ObMySQLResult *result = nullptr;
if (OB_FAIL(sql_string.assign_fmt("SELECT tenant_id, task_id, object_id, target_object_id, ddl_type,"
"schema_version, parent_task_id, trace_id, status, snapshot_version, task_version,"
"UNHEX(ddl_stmt_str) as ddl_stmt_str_unhex, ret_code, UNHEX(message) as message_unhex FROM %s "
"WHERE tenant_id = %lu AND object_id = %lu", OB_ALL_VIRTUAL_DDL_TASK_STATUS_TNAME,
tenant_id, table_id))) {
LOG_WARN("assign sql string failed", K(ret));
} else if (OB_FAIL(proxy->read(res, sql_string.ptr()))) {
LOG_WARN("query ddl task record failed", K(ret), K(sql_string));
} else if (OB_ISNULL(result = res.get_result())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("fail to get sql result", K(ret), KP(result));
} else {
ObDDLTaskRecord task_record;
ObArenaAllocator allocator("DdlTaskRec");
while (OB_SUCC(ret) && !has_conflict_ddl && OB_SUCC(result->next())) {
allocator.reuse();
if (OB_FAIL(fill_task_record(result, allocator, task_record))) {
LOG_WARN("failed to fill task record", K(ret));
} else if (task_record.task_id_ != task_id) {
switch (ddl_type) {
case ObDDLType::DDL_DROP_TABLE: {
has_conflict_ddl = true;
break;
}
default: {
// do nothing
}
}
}
}
if (OB_ITER_END == ret) {
ret = OB_SUCCESS;
}
}
}
}
return ret;
}
int ObDDLTaskRecordOperator::get_all_record(
common::ObMySQLProxy &proxy,
common::ObIAllocator &allocator,

8
src/rootserver/ddl_task/ob_ddl_task.h
View File

@ -153,6 +153,14 @@ public:
const uint64_t table_id,
bool &has_long_running_ddl);
static int check_has_conflict_ddl(
common::ObMySQLProxy *proxy,
const uint64_t tenant_id,
const uint64_t table_id,
const int64_t task_id,
const share::ObDDLType ddl_type,
bool &has_conflict_ddl);
static int insert_record(
common::ObISQLClient &proxy,
const ObDDLTaskRecord &record);

17
src/rootserver/ob_ddl_service.cpp
View File

@ -15351,6 +15351,7 @@ int ObDDLService::modify_hidden_table_fk_state(obrpc::ObAlterTableArg &alter_tab
new_col_schema.set_nullable(false);
new_col_schema.drop_not_null_cst();
new_hidden_table_schema.set_in_offline_ddl_white_list(true);
ObSchemaOperationType operation_type = OB_DDL_ALTER_TABLE;
if (OB_FAIL(new_hidden_table_schema.alter_column(new_col_schema, ObTableSchema::CHECK_MODE_ONLINE))) {
LOG_WARN("failed to alter column", K(ret));
} else if (OB_FAIL(ddl_operator.update_single_column(trans,
@ -15363,6 +15364,8 @@ int ObDDLService::modify_hidden_table_fk_state(obrpc::ObAlterTableArg &alter_tab
new_hidden_table_schema,
trans))) {
LOG_WARN("failed to drop constraint", K(ret));
} else if (OB_FAIL(ddl_operator.update_table_attribute(new_hidden_table_schema, trans, operation_type))) {
LOG_WARN("failed to update data table schema attribute", K(ret));
}
}
}
@ -18222,10 +18225,22 @@ int ObDDLService::drop_table(const ObDropTableArg &drop_table_arg, const obrpc::
*/
} else {
bool to_recyclebin = drop_table_arg.to_recyclebin_;
bool has_conflict_ddl = false;
if (table_schema->get_table_type() == MATERIALIZED_VIEW || table_schema->is_tmp_table()) {
to_recyclebin = false;
}
if (OB_FAIL(drop_table_in_trans(schema_guard,
if (OB_FAIL(ObDDLTaskRecordOperator::check_has_conflict_ddl(
sql_proxy_,
drop_table_arg.tenant_id_,
table_schema->get_table_id(),
drop_table_arg.task_id_,
ObDDLType::DDL_DROP_TABLE,
has_conflict_ddl))) {
LOG_WARN("failed to check has conflict ddl", K(ret));
} else if (has_conflict_ddl) {
ret = OB_SCHEMA_EAGAIN;
LOG_WARN("failed to drop table that has conflict ddl", K(ret), K(table_schema->get_table_id()));
} else if (OB_FAIL(drop_table_in_trans(schema_guard,
tmp_table_schema,
false,
USER_INDEX == drop_table_arg.table_type_,