51 lines
1.9 KiB
C++
51 lines
1.9 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/expr/ob_iter_expr_range_param.h"
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#include "sql/engine/ob_exec_context.h"
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namespace oceanbase
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{
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using namespace common;
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namespace sql
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{
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OB_SERIALIZE_MEMBER((ObIterExprRangeParam, ObIterExprOperator), start_index_, end_index_);
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int ObIterExprRangeParam::get_next_row(ObIterExprCtx &expr_ctx, const common::ObNewRow *&result) const
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{
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int ret = OB_SUCCESS;
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int64_t cur_cell_idx = 0;
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ObNewRow *cur_row = expr_ctx.get_cur_row();
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ObPhysicalPlanCtx *plan_ctx = expr_ctx.get_exec_context().get_physical_plan_ctx();
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if (OB_ISNULL(cur_row) || OB_ISNULL(plan_ctx)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("current row is null", K(ret), K(cur_row), K(plan_ctx));
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}
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for (int64_t i = start_index_; OB_SUCC(ret) && i <= end_index_; ++i) {
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if (OB_UNLIKELY(i < 0) || OB_UNLIKELY(i >= plan_ctx->get_param_store().count())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("invalid param index", K(ret), K(i), K_(start_index), K_(end_index), K(plan_ctx->get_param_store().count()));
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} else if (OB_UNLIKELY(cur_cell_idx >= cur_row->get_count())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("current cell index is invalid", K(ret), K(cur_cell_idx), K(cur_row->get_count()));
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} else {
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cur_row->get_cell(cur_cell_idx++) = plan_ctx->get_param_store().at(i);
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}
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}
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if (OB_SUCC(ret)) {
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result = cur_row;
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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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