74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
/**
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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_load_data_executor.h"
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#include "lib/oblog/ob_log_module.h"
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#include "sql/engine/cmd/ob_load_data_impl.h"
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#include "sql/engine/cmd/ob_load_data_direct_impl.h"
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#include "sql/engine/ob_exec_context.h"
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#include "sql/optimizer/ob_direct_load_optimizer_ctx.h"
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#include "sql/optimizer/ob_optimizer.h"
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namespace oceanbase
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{
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namespace sql
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{
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int ObLoadDataExecutor::execute(ObExecContext &ctx, ObLoadDataStmt &stmt)
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{
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int ret = OB_SUCCESS;
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ObTableDirectInsertCtx &table_direct_insert_ctx = ctx.get_table_direct_insert_ctx();
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ObLoadDataBase *load_impl = NULL;
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ObDirectLoadOptimizerCtx optimizer_ctx;
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stmt.set_optimizer_ctx(&optimizer_ctx);
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if (!stmt.get_load_arguments().is_csv_format_) {
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ret = OB_NOT_SUPPORTED;
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LOG_WARN("invalid resolver results", K(ret));
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} else if (OB_FAIL(optimizer_ctx.init_direct_load_ctx(&ctx, stmt))) {
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LOG_WARN("fail to init direct load ctx", K(ret), K(stmt));
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} else {
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if (optimizer_ctx.can_use_direct_load()) {
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optimizer_ctx.set_use_direct_load();
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}
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table_direct_insert_ctx.set_is_direct(optimizer_ctx.use_direct_load());
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if (!table_direct_insert_ctx.get_is_direct()) {
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if (OB_ISNULL(load_impl = OB_NEWx(ObLoadDataSPImpl, (&ctx.get_allocator())))) {
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ret = OB_ALLOCATE_MEMORY_FAILED;
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LOG_WARN("allocate memory failed", K(ret));
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}
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} else {
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if (OB_ISNULL(load_impl = OB_NEWx(ObLoadDataDirectImpl, (&ctx.get_allocator())))) {
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ret = OB_ALLOCATE_MEMORY_FAILED;
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LOG_WARN("allocate memory failed", K(ret));
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} else if (stmt.get_table_assignment().count() > 0) {
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ret = OB_NOT_SUPPORTED;
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LOG_WARN("direct load not support");
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}
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}
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}
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if (OB_SUCC(ret)) {
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if (OB_FAIL(load_impl->execute(ctx, stmt))) {
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LOG_WARN("failed to execute load data stmt", K(ret));
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} else {
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LOG_TRACE("load data success");
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}
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load_impl->~ObLoadDataBase();
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}
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return ret;
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}
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} // sql
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} // oceanbase
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