patch 4.0
This commit is contained in:
wangzelin.wzl
163
src/sql/engine/cmd/ob_trigger_executor.cpp
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163
src/sql/engine/cmd/ob_trigger_executor.cpp
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/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#define USING_LOG_PREFIX SQL_ENG
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#include "ob_trigger_executor.h"
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#include "sql/resolver/ddl/ob_trigger_stmt.h"
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#include "sql/engine/ob_exec_context.h"
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#include "share/ob_common_rpc_proxy.h"
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#include "share/ob_rpc_struct.h"
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#include "share/schema/ob_schema_getter_guard.h"
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#include "pl/ob_pl_package.h"
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#include "pl/ob_pl_compile.h"
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#include "lib/mysqlclient/ob_mysql_proxy.h"
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namespace oceanbase
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{
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using namespace obrpc;
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using namespace pl;
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using namespace common;
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using namespace share::schema;
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namespace sql
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{
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int ObCreateTriggerExecutor::execute(ObExecContext &ctx, ObCreateTriggerStmt &stmt)
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{
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int ret = OB_SUCCESS;
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ObTaskExecutorCtx *task_exec_ctx = NULL;
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ObCommonRpcProxy *common_rpc_proxy = NULL;
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ObCreateTriggerArg &arg = stmt.get_trigger_arg();
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uint64_t tenant_id = arg.trigger_info_.get_tenant_id();
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ObString first_stmt;
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OZ (stmt.get_first_stmt(first_stmt));
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arg.ddl_stmt_str_ = first_stmt;
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OV (OB_NOT_NULL(task_exec_ctx = GET_TASK_EXECUTOR_CTX(ctx)), OB_NOT_INIT);
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OZ (task_exec_ctx->get_common_rpc(common_rpc_proxy));
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OV (OB_NOT_NULL(common_rpc_proxy));
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OZ (common_rpc_proxy->create_trigger(arg), common_rpc_proxy->get_server());
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//这里需要刷新schema，否则可能获取不到最新的trigger_info
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OZ (ObSPIService::force_refresh_schema(tenant_id));
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CK (OB_NOT_NULL(ctx.get_sql_ctx()));
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CK (OB_NOT_NULL(ctx.get_my_session()));
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CK (OB_NOT_NULL(ctx.get_sql_proxy()));
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CK (OB_NOT_NULL(ctx.get_task_exec_ctx().schema_service_));
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OZ (ctx.get_task_exec_ctx().schema_service_->
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get_tenant_schema_guard(ctx.get_my_session()->get_effective_tenant_id(),
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*ctx.get_sql_ctx()->schema_guard_));
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OZ (analyze_dependencies(*ctx.get_sql_ctx()->schema_guard_,
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ctx.get_my_session(),
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ctx.get_sql_proxy(),
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ctx.get_allocator(),
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arg));
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if (OB_SUCC(ret) && arg.error_info_.get_error_status() != ERROR_STATUS_NO_ERROR) {
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OZ (common_rpc_proxy->create_trigger(arg), common_rpc_proxy->get_server());
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}
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OZ (ctx.get_sql_ctx()->schema_guard_->reset());
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return ret;
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}
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int ObDropTriggerExecutor::execute(ObExecContext &ctx, ObDropTriggerStmt &stmt)
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{
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int ret = OB_SUCCESS;
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ObTaskExecutorCtx *task_exec_ctx = NULL;
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ObCommonRpcProxy *common_rpc_proxy = NULL;
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ObDropTriggerArg &arg = stmt.get_trigger_arg();
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ObString first_stmt;
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OZ (stmt.get_first_stmt(first_stmt));
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arg.ddl_stmt_str_ = first_stmt;
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OV (OB_NOT_NULL(task_exec_ctx = GET_TASK_EXECUTOR_CTX(ctx)), OB_NOT_INIT);
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OZ (task_exec_ctx->get_common_rpc(common_rpc_proxy));
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OV (OB_NOT_NULL(common_rpc_proxy));
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OZ (common_rpc_proxy->drop_trigger(arg), common_rpc_proxy->get_server());
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return ret;
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}
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int ObAlterTriggerExecutor::execute(ObExecContext &ctx, ObAlterTriggerStmt &stmt)
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{
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int ret = OB_SUCCESS;
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ObTaskExecutorCtx *task_exec_ctx = NULL;
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ObCommonRpcProxy *common_rpc_proxy = NULL;
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ObAlterTriggerArg &arg = stmt.get_trigger_arg();
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ObString first_stmt;
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OZ (stmt.get_first_stmt(first_stmt));
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arg.ddl_stmt_str_ = first_stmt;
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OV (OB_NOT_NULL(task_exec_ctx = GET_TASK_EXECUTOR_CTX(ctx)), OB_NOT_INIT);
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OZ (task_exec_ctx->get_common_rpc(common_rpc_proxy));
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OV (OB_NOT_NULL(common_rpc_proxy));
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OZ (common_rpc_proxy->alter_trigger(arg), common_rpc_proxy->get_server());
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return ret;
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}
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int ObCreateTriggerExecutor::analyze_dependencies(ObSchemaGetterGuard &schema_guard,
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ObSQLSessionInfo *session_info,
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ObMySQLProxy *sql_proxy,
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ObIAllocator &allocator,
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ObCreateTriggerArg &arg)
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{
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int ret = OB_SUCCESS;
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uint64_t database_id = session_info->get_database_id();
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uint64_t tenant_id = arg.trigger_info_.get_tenant_id();
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const ObString &trigger_name = arg.trigger_info_.get_trigger_name();
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const ObString &db_name = arg.trigger_database_;
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const ObTriggerInfo *trigger_info = NULL;
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if (OB_FAIL(schema_guard.get_trigger_info(tenant_id, database_id, trigger_name, trigger_info))) {
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LOG_WARN("failed to get trigger info", K(ret));
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} else if (NULL != trigger_info) {
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HEAP_VARS_2((ObPLPackageAST, package_spec_ast, allocator),
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(ObPLPackageAST, package_body_ast, allocator)) {
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ObPLPackageGuard package_guard(PACKAGE_RESV_HANDLE);
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const ObString &pkg_name = trigger_info->get_package_body_info().get_package_name();
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ObPLCompiler compiler(allocator,
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*session_info,
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schema_guard,
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package_guard,
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*sql_proxy);
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ObPackageInfo package_spec_info = trigger_info->get_package_spec_info();
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OZ (package_spec_ast.init(db_name,
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package_spec_info.get_package_name(),
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PL_PACKAGE_SPEC,
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package_spec_info.get_database_id(),
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package_spec_info.get_package_id(),
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package_spec_info.get_schema_version(),
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NULL));
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OZ (compiler.analyze_package(package_spec_info.get_source(),
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NULL, package_spec_ast, true));
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OZ (package_body_ast.init(db_name,
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pkg_name,
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PL_PACKAGE_BODY,
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trigger_info->get_package_body_info().get_database_id(),
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trigger_info->get_package_body_info().get_package_id(),
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trigger_info->get_package_body_info().get_schema_version(),
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&package_spec_ast));
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OZ (compiler.analyze_package(trigger_info->get_package_body_source(),
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&(package_spec_ast.get_body()->get_namespace()),
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package_body_ast,
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true));
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if (OB_FAIL(ret) && ret != OB_ERR_UNEXPECTED) {
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LOG_USER_WARN(OB_ERR_TRIGGER_COMPILE_ERROR, "TRIGGER",
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db_name.length(), db_name.ptr(),
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trigger_name.length(), trigger_name.ptr());
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ObPL::insert_error_msg(ret);
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ret = OB_SUCCESS;
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}
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if (OB_SUCC(ret)) {
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arg.trigger_info_.deep_copy(*trigger_info);
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arg.error_info_.collect_error_info(&arg.trigger_info_);
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arg.for_insert_errors_ = true;
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}
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}
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}
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return ret;
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}
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} // namespace sql
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} // namespace oceanbase
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