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438
src/sql/engine/cmd/ob_outline_executor.cpp
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438
src/sql/engine/cmd/ob_outline_executor.cpp
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@ -0,0 +1,438 @@
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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 "sql/engine/cmd/ob_outline_executor.h"
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#include "lib/string/ob_string.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 "share/schema/ob_schema_struct.h"
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#include "share/stat/ob_stat_manager.h"
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#include "observer/ob_server_struct.h"
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#include "sql/ob_sql.h"
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#include "sql/resolver/ddl/ob_create_outline_stmt.h"
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#include "sql/resolver/ddl/ob_alter_outline_stmt.h"
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#include "sql/resolver/ddl/ob_drop_outline_stmt.h"
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#include "sql/engine/ob_exec_context.h"
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#include "sql/parser/ob_parser.h"
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#include "sql/optimizer/ob_log_plan.h"
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#include "sql/engine/ob_physical_plan_ctx.h"
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#include "sql/rewrite/ob_transformer_impl.h"
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#include "sql/rewrite/ob_transform_simplify.h"
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#include "sql/resolver/ob_schema_checker.h"
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#include "sql/optimizer/ob_optimizer.h"
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#include "sql/optimizer/ob_optimizer_context.h"
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#include "sql/optimizer/ob_optimizer_partition_location_cache.h"
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#include "sql/optimizer/ob_log_plan_factory.h"
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#include "sql/session/ob_sql_session_info.h"
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#include "sql/plan_cache/ob_cache_object_factory.h"
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#include "sql/ob_sql_partition_location_cache.h"
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namespace oceanbase {
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using namespace common;
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using namespace share::schema;
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using namespace obrpc;
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namespace sql {
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int ObOutlineExecutor::generate_outline_info2(
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ObExecContext& ctx, ObCreateOutlineStmt* create_outline_stmt, ObOutlineInfo& outline_info)
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{
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int ret = OB_SUCCESS;
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outline_info.set_tenant_id(ctx.get_my_session()->get_effective_tenant_id());
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outline_info.set_outline_content(create_outline_stmt->get_hint());
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outline_info.set_sql_id(create_outline_stmt->get_sql_id());
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if (create_outline_stmt->get_max_concurrent() >= 0) {
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ObMaxConcurrentParam concurrent_param(&ctx.get_allocator());
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concurrent_param.concurrent_num_ = create_outline_stmt->get_max_concurrent();
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if (OB_FAIL(outline_info.add_param(concurrent_param))) {
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LOG_WARN("fail to add param", K(ret));
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}
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}
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return ret;
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}
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int ObOutlineExecutor::generate_outline_info(
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ObExecContext& ctx, ObCreateOutlineStmt* outline_stmt, ObOutlineInfo& outline_info)
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{
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int ret = OB_SUCCESS;
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ObCreateOutlineStmt* create_outline_stmt = reinterpret_cast<ObCreateOutlineStmt*>(outline_stmt);
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if (create_outline_stmt->get_outline_stmt() == NULL) {
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ret = generate_outline_info2(ctx, create_outline_stmt, outline_info);
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} else {
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ObDMLStmt* outline_stmt = static_cast<ObDMLStmt*>(create_outline_stmt->get_outline_stmt());
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ret = generate_outline_info1(ctx, outline_stmt, outline_info);
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}
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return ret;
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}
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int ObOutlineExecutor::generate_outline_info1(ObExecContext& ctx, ObDMLStmt* outline_stmt, ObOutlineInfo& outline_info)
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{
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int ret = OB_SUCCESS;
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bool has_questionmark_in_outline_sql = false;
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ObString outline;
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ObString outline_key;
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ObString& outline_sql = outline_info.get_sql_text_str();
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int64_t max_concurrent = -1;
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;
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ObMaxConcurrentParam concurrent_param(&ctx.get_allocator());
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if (OB_ISNULL(ctx.get_my_session())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("invalid ctx", K(ret));
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} else if (OB_ISNULL(outline_stmt)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("invalid outline stmt is NULL", K(ret));
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} else if (OB_FAIL(ObSQLUtils::get_outline_key(ctx.get_allocator(),
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ctx.get_my_session(),
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outline_sql,
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outline_key,
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concurrent_param.fixed_param_store_,
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FP_PARAMERIZE_AND_FILTER_HINT_MODE,
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has_questionmark_in_outline_sql))) {
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LOG_WARN("fail to get outline key", "outline_sql", outline_sql, K(ret));
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} else if (FALSE_IT(max_concurrent = outline_stmt->get_stmt_hint().max_concurrent_)) {
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} else if (OB_UNLIKELY(has_questionmark_in_outline_sql && max_concurrent < 0)) {
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ret = OB_INVALID_OUTLINE;
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LOG_USER_ERROR(OB_INVALID_OUTLINE, "sql text should have no ? when there is no concurrent limit");
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LOG_WARN("outline should have no ? when there is no concurrent limit", K(outline_sql), K(ret));
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} else if (OB_UNLIKELY(max_concurrent >= 0 && outline_stmt->get_stmt_hint().has_hint_exclude_concurrent_)) {
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ret = OB_INVALID_OUTLINE;
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LOG_USER_ERROR(OB_INVALID_OUTLINE, "outline and sql concurrent limit can not be mixed");
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LOG_WARN("outline and sql concurrent limit can not be mixed",
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"outline_sql_text",
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outline_info.get_sql_text_str(),
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K(ret));
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} else if (OB_FAIL(get_outline(ctx, outline_stmt, outline))) {
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LOG_WARN("fail to get outline", K(ret));
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} else {
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// to check whether ok
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outline_info.set_outline_content(outline);
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outline_info.set_tenant_id(ctx.get_my_session()->get_effective_tenant_id());
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outline_info.set_signature(outline_key);
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ObString& target_sql = outline_info.get_outline_target_str();
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if (!target_sql.empty()) {
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ObString target_key;
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ObString target_key_with_hint;
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ObMaxConcurrentParam target_param(&ctx.get_allocator());
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ObMaxConcurrentParam target_param_with_hint(&ctx.get_allocator());
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bool has_questionmark_in_target_sql = false;
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bool is_same_param = true;
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// get signature derived from to_clause, then check if equal with signature derived from
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// on_clause
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if (OB_FAIL(ObSQLUtils::get_outline_key(ctx.get_allocator(),
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ctx.get_my_session(),
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target_sql,
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target_key,
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target_param.fixed_param_store_,
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FP_PARAMERIZE_AND_FILTER_HINT_MODE,
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has_questionmark_in_target_sql))) {
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LOG_WARN("fail to get outline key", K(target_sql), K(ret));
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} else if (target_key != outline_key || has_questionmark_in_target_sql != has_questionmark_in_outline_sql) {
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ret = OB_INVALID_OUTLINE;
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LOG_USER_ERROR(
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OB_INVALID_OUTLINE, "signature derived from on_clause is not same as signature derived from to_clause");
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LOG_WARN("outline key is not same with target key",
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K(outline_sql),
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K(target_sql),
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K(has_questionmark_in_target_sql),
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K(has_questionmark_in_outline_sql),
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K(ret));
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} else if (max_concurrent >= 0 &&
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(OB_FAIL(concurrent_param.same_param_as(target_param, is_same_param)) || !is_same_param)) {
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if (OB_FAIL(ret)) {
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LOG_WARN("fail to check if param is same", K(outline_sql), K(target_sql), K(ret));
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} else {
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ret = OB_INVALID_OUTLINE;
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LOG_USER_ERROR(OB_INVALID_OUTLINE,
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"fixed_param derived from on_clause is not same as fixed_param derived from to_clause");
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LOG_WARN("outline fixed_param is not same with target fixed_param", K(outline_sql), K(target_sql), K(ret));
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}
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} else if (OB_FAIL(ObSQLUtils::get_outline_key(ctx.get_allocator(),
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ctx.get_my_session(),
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target_sql,
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target_key_with_hint,
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target_param_with_hint.fixed_param_store_,
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FP_MODE,
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has_questionmark_in_target_sql))) {
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LOG_WARN("fail to get outline key", K(target_sql), K(ret));
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} else {
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// replace outline_key with target_key derived from to_clause with index not filtered
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outline_info.set_signature(target_key_with_hint);
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}
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}
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if (OB_SUCC(ret)) {
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// set concurrent limit info to ObOutlineInfo
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if (max_concurrent < 0) {
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// if concurrent num is negative, you should reset the max concurrent param store
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} else {
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concurrent_param.concurrent_num_ = max_concurrent;
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if (OB_FAIL(outline_info.add_param(concurrent_param))) {
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LOG_WARN("fail to add param", K(ret));
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}
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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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int ObOutlineExecutor::generate_logical_plan(
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ObExecContext& ctx, ObOptimizerContext& opt_ctx, ObDMLStmt* outline_stmt, ObLogPlan*& logical_plan)
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{
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int ret = OB_SUCCESS;
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ObSQLSessionInfo* session_info = ctx.get_my_session();
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ObPhysicalPlan* phy_plan = NULL;
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ObOptimizer optimizer(opt_ctx);
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if (OB_ISNULL(session_info) || OB_ISNULL(outline_stmt) || OB_ISNULL(opt_ctx.get_location_cache())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("invalid parameter", K(session_info), K(outline_stmt));
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} else if (OB_FAIL(
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ObCacheObjectFactory::alloc(phy_plan, OUTLINE_EXEC_HANDLE, session_info->get_effective_tenant_id()))) {
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LOG_WARN("fail to alloc phy_plan", K(ret));
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} else if (OB_ISNULL(phy_plan)) {
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ret = OB_ALLOCATE_MEMORY_FAILED;
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LOG_ERROR("Failed to alloc physical plan from tc factory", K(ret));
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} else if (OB_FAIL(ObSql::calc_pre_calculable_exprs(
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outline_stmt->get_calculable_exprs(), ctx, *outline_stmt, *phy_plan))) {
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LOG_WARN("fail to calc pre calculable expr", K(ret));
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} else if (OB_FAIL(ObSql::transform_stmt(opt_ctx.get_sql_schema_guard(),
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static_cast<ObOptimizerPartitionLocationCache*>(opt_ctx.get_location_cache())->get_location_cache(),
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opt_ctx.get_partition_service(),
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opt_ctx.get_stat_manager(),
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opt_ctx.get_opt_stat_manager(),
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&opt_ctx.get_local_server_addr(),
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opt_ctx.get_merged_version(),
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phy_plan,
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ctx,
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outline_stmt))) {
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LOG_WARN("fail to transform outline stmt", K(ret));
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} else if (OB_FAIL(ObSql::optimize_stmt(optimizer, *session_info, *outline_stmt, logical_plan))) {
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LOG_WARN("fail to optimize stmt", K(ret));
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} else { /*do nothing*/
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}
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if (OB_LIKELY(phy_plan != NULL)) {
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ObCacheObjectFactory::free(phy_plan, OUTLINE_EXEC_HANDLE);
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phy_plan = NULL;
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}
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return ret;
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}
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bool ObOutlineExecutor::is_valid_outline_stmt_type(stmt::StmtType type)
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{
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return type == stmt::T_SELECT || type == stmt::T_INSERT || type == stmt::T_UPDATE || type == stmt::T_REPLACE ||
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type == stmt::T_DELETE;
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}
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int ObOutlineExecutor::print_outline(ObExecContext& ctx, ObLogPlan* log_plan, ObString& outline)
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{
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void* tmp_ptr = NULL;
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char* buf = NULL;
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int64_t pos = 0;
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int ret = OB_SUCCESS;
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if (OB_ISNULL(log_plan)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("fail to get log plan", K(ret), K(log_plan));
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} else if (OB_UNLIKELY(NULL == (tmp_ptr = ctx.get_allocator().alloc(
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OB_MAX_SQL_LENGTH)))) { // the same as __all_outline column outline_content
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ret = OB_ALLOCATE_MEMORY_FAILED;
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LOG_ERROR("fail to alloc memory", K(ret));
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} else if (FALSE_IT(buf = static_cast<char*>(tmp_ptr))) {
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} else if (OB_FAIL(log_plan->print_outline_oneline(buf, OB_MAX_SQL_LENGTH, pos))) {
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LOG_WARN("fail to print outline", K(ret), K(buf), K(pos));
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} else {
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outline.assign_ptr(buf, static_cast<ObString::obstr_size_t>(pos));
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}
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return ret;
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}
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int ObOutlineExecutor::get_outline(ObExecContext& ctx, ObDMLStmt* outline_stmt, ObString& outline)
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{
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int ret = OB_SUCCESS;
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ObSQLSessionInfo* session_info = ctx.get_my_session();
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ObPhysicalPlanCtx* pctx = ctx.get_physical_plan_ctx();
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ObLogPlan* log_plan = NULL;
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if (OB_ISNULL(session_info) || OB_ISNULL(pctx) || OB_ISNULL(outline_stmt) || OB_ISNULL(GCTX.merged_version_) ||
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OB_ISNULL(ctx.get_sql_ctx()) || OB_ISNULL(ctx.get_sql_ctx()->sql_schema_guard_.get_schema_guard())) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("invalid parameter", K(session_info), K(pctx), K(outline_stmt), K(GCTX.merged_version_));
|
||||
} else if (!is_valid_outline_stmt_type(outline_stmt->get_stmt_type())) {
|
||||
ret = OB_ERR_UNEXPECTED;
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LOG_WARN("unexpected outline stmt type", K(outline_stmt->get_stmt_type()), K(ret));
|
||||
} else {
|
||||
if (outline_stmt->get_stmt_hint().is_only_concurrent_hint()) {
|
||||
// do not generate outline_content
|
||||
} else if (OB_ISNULL(ctx.get_expr_factory())) {
|
||||
ret = OB_INVALID_ARGUMENT;
|
||||
LOG_WARN("invalid argument", K(ret), K(ctx.get_expr_factory()));
|
||||
} else {
|
||||
ObSqlPartitionLocationCache sql_partition_location_cache;
|
||||
sql_partition_location_cache.init(
|
||||
GCTX.location_cache_, GCTX.self_addr_, ctx.get_virtual_table_ctx().schema_guard_);
|
||||
ObQueryHint query_hint = outline_stmt->get_stmt_hint().get_query_hint();
|
||||
ObOptimizerPartitionLocationCache optimizer_location_cache(ctx.get_allocator(), &sql_partition_location_cache);
|
||||
ObOptimizerContext optctx(session_info,
|
||||
&ctx,
|
||||
&ctx.get_sql_ctx()->sql_schema_guard_,
|
||||
&ObStatManager::get_instance(),
|
||||
&ObOptStatManager::get_instance(),
|
||||
GCTX.par_ser_,
|
||||
ctx.get_allocator(),
|
||||
&optimizer_location_cache,
|
||||
&pctx->get_param_store(),
|
||||
GCTX.self_addr_,
|
||||
GCTX.srv_rpc_proxy_,
|
||||
*GCTX.merged_version_,
|
||||
query_hint,
|
||||
*ctx.get_expr_factory(),
|
||||
outline_stmt);
|
||||
if (OB_FAIL(generate_logical_plan(ctx, optctx, outline_stmt, log_plan))) {
|
||||
LOG_WARN("fail to generate logical plan", K(ret));
|
||||
} else if (OB_FAIL(print_outline(ctx, log_plan, outline))) {
|
||||
LOG_WARN("fail to print outline", K(ret));
|
||||
} else { /*do nothing*/
|
||||
}
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObCreateOutlineExecutor::execute(ObExecContext& ctx, ObCreateOutlineStmt& stmt)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
ObString outline_key;
|
||||
ObTaskExecutorCtx* task_exec_ctx = NULL;
|
||||
obrpc::ObCommonRpcProxy* common_rpc_proxy = NULL;
|
||||
ObCreateOutlineArg& arg = stmt.get_create_outline_arg();
|
||||
ObOutlineInfo& outline_info = arg.outline_info_;
|
||||
ObString first_stmt;
|
||||
if (OB_FAIL(stmt.get_first_stmt(first_stmt))) {
|
||||
LOG_WARN("fail to get first stmt", K(ret));
|
||||
} else {
|
||||
arg.ddl_stmt_str_ = first_stmt;
|
||||
}
|
||||
if (OB_FAIL(ret)) {
|
||||
} else if (OB_FAIL(generate_outline_info(ctx, &stmt, outline_info))) {
|
||||
LOG_WARN("generate_outline_info failed", K(ret));
|
||||
} else if (OB_ISNULL(task_exec_ctx = GET_TASK_EXECUTOR_CTX(ctx))) {
|
||||
ret = OB_NOT_INIT;
|
||||
LOG_WARN("get task executor context failed", K(ret));
|
||||
} else if (OB_FAIL(ctx.get_sql_ctx()->schema_guard_->reset())) {
|
||||
LOG_WARN("schema_guard reset failed", K(ret));
|
||||
} else if (OB_FAIL(task_exec_ctx->get_common_rpc(common_rpc_proxy))) {
|
||||
LOG_WARN("get common rpc proxy failed", K(ret));
|
||||
} else if (OB_ISNULL(common_rpc_proxy)) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("common rpc proxy should not be null", K(ret));
|
||||
} else if (OB_FAIL(common_rpc_proxy->create_outline(arg))) {
|
||||
LOG_WARN("rpc proxy create outline failed", "dst", common_rpc_proxy->get_server(), K(ret));
|
||||
} else { /*do nothing*/
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObAlterOutlineExecutor::execute(ObExecContext& ctx, ObAlterOutlineStmt& stmt)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
ObString outline_key;
|
||||
ObString outline;
|
||||
ObTaskExecutorCtx* task_exec_ctx = NULL;
|
||||
obrpc::ObCommonRpcProxy* common_rpc_proxy = NULL;
|
||||
ObAlterOutlineArg& arg = stmt.get_alter_outline_arg();
|
||||
ObOutlineInfo& outline_info = arg.alter_outline_info_;
|
||||
ObDMLStmt* outline_stmt = static_cast<ObDMLStmt*>(stmt.get_outline_stmt());
|
||||
ObString& outline_sql = stmt.get_outline_sql();
|
||||
ObString first_stmt;
|
||||
if (OB_FAIL(stmt.get_first_stmt(first_stmt))) {
|
||||
LOG_WARN("fail to get first stmt", K(ret));
|
||||
} else {
|
||||
arg.ddl_stmt_str_ = first_stmt;
|
||||
}
|
||||
if (OB_FAIL(ret)) {
|
||||
} else if (OB_ISNULL(outline_stmt)) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("outline stmt is empty", K(ret));
|
||||
} else if (OB_FAIL(generate_outline_info1(ctx, outline_stmt, outline_info))) {
|
||||
LOG_WARN("generate_outline_info failed", K(outline_sql), K(ret));
|
||||
} else {
|
||||
ObAlterOutlineInfo& alter_outline_info = arg.alter_outline_info_;
|
||||
int64_t index = OB_INVALID_INDEX;
|
||||
bool has_limit_param = false;
|
||||
if (OB_FAIL(alter_outline_info.has_concurrent_limit_param(has_limit_param))) {
|
||||
LOG_WARN("fail to judge whether outline_info has concurrent_limit_param", K(ret));
|
||||
} else if (has_limit_param) {
|
||||
index = ObAlterOutlineArg::ADD_CONCURRENT_LIMIT;
|
||||
} else if (!alter_outline_info.get_outline_content_str().empty()) {
|
||||
index = ObAlterOutlineArg::ADD_OUTLINE_CONTENT;
|
||||
} else {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("invalid alter outline info", K(alter_outline_info), K(ret));
|
||||
}
|
||||
|
||||
if (OB_SUCC(ret) && OB_FAIL(alter_outline_info.get_alter_option_bitset().add_member(index))) {
|
||||
LOG_WARN("failed to add member to alter_option_bitset", K(ret));
|
||||
}
|
||||
}
|
||||
|
||||
if (OB_FAIL(ret)) {
|
||||
} else if (OB_ISNULL(task_exec_ctx = GET_TASK_EXECUTOR_CTX(ctx))) {
|
||||
ret = OB_NOT_INIT;
|
||||
LOG_WARN("get task executor context failed");
|
||||
} else if (OB_FAIL(ctx.get_sql_ctx()->schema_guard_->reset())) {
|
||||
LOG_WARN("schema_guard reset failed", K(ret));
|
||||
} else if (OB_FAIL(task_exec_ctx->get_common_rpc(common_rpc_proxy))) {
|
||||
LOG_WARN("get common rpc proxy failed", K(ret));
|
||||
} else if (OB_ISNULL(common_rpc_proxy)) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("common rpc proxy should not be null", K(ret));
|
||||
} else if (OB_FAIL(common_rpc_proxy->alter_outline(arg))) {
|
||||
LOG_WARN("rpc proxy alter outline failed", "dst", common_rpc_proxy->get_server(), K(ret));
|
||||
} else { /*do nothing*/
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
int ObDropOutlineExecutor::execute(ObExecContext& ctx, ObDropOutlineStmt& stmt)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
ObDropOutlineArg arg = stmt.get_drop_outline_arg();
|
||||
ObTaskExecutorCtx* task_exec_ctx = NULL;
|
||||
obrpc::ObCommonRpcProxy* common_rpc_proxy = NULL;
|
||||
ObString first_stmt;
|
||||
if (OB_FAIL(stmt.get_first_stmt(first_stmt))) {
|
||||
LOG_WARN("fail to get first stmt", K(ret));
|
||||
} else {
|
||||
arg.ddl_stmt_str_ = first_stmt;
|
||||
}
|
||||
if (OB_FAIL(ret)) {
|
||||
} else if (OB_ISNULL(task_exec_ctx = GET_TASK_EXECUTOR_CTX(ctx))) {
|
||||
ret = OB_NOT_INIT;
|
||||
LOG_WARN("get task executor context failed");
|
||||
} else if (OB_FAIL(task_exec_ctx->get_common_rpc(common_rpc_proxy))) {
|
||||
LOG_WARN("get common rpc proxy failed", K(ret));
|
||||
} else if (OB_ISNULL(common_rpc_proxy)) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("common rpc proxy should not be null", K(ret));
|
||||
} else if (OB_FAIL(common_rpc_proxy->drop_outline(arg))) {
|
||||
LOG_WARN("rpc proxy drop outline failed", K(ret), "dst", common_rpc_proxy->get_server());
|
||||
} else { /*do nothing*/
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
} // namespace sql
|
||||
} // namespace oceanbase
|
||||
Reference in New Issue
Block a user