b6773084c6
Co-authored-by: Naynahs <cfzy002@126.com> Co-authored-by: hwx65 <1780011298@qq.com> Co-authored-by: oceanoverflow <oceanoverflow@gmail.com>
68 lines
2.2 KiB
C++
68 lines
2.2 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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#ifndef OCEANBASE_SQL_ENG_EXPR_VECTOR_CAST_UTIL_H_
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#define OCEANBASE_SQL_ENG_EXPR_VECTOR_CAST_UTIL_H_
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#include "sql/engine/expr/ob_expr.h"
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#include "sql/engine/expr/ob_expr_util.h"
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#include "share/ob_errno.h"
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#include "share/object/ob_obj_cast.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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template <VecValueTypeClass vec_tc, typename Vector>
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struct ValueRangeChecker
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{
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static const bool defined_ = false;
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static int check(const ObExpr &expr, ObEvalCtx &ctx, const uint64_t cast_mode, Vector *res_vec,
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const int64_t batch_idx, int &warning)
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{
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int ret = OB_NOT_IMPLEMENT;
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SQL_LOG(WARN, "not implemented accuracy checker", K(ret), K(vec_tc));
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return ret;
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}
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};
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template<VecValueTypeClass vec_tc, typename Vector>
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struct BatchValueRangeChecker
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{
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static int check(const ObExpr &expr, ObEvalCtx &ctx, const EvalBound &bound,
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const ObBitVector &skip, int &warning)
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{
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int ret = OB_SUCCESS;
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warning = ret;
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Vector *res_vec = static_cast<Vector *>(expr.get_vector(ctx));
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if (bound.get_all_rows_active() && !res_vec->has_null()) {
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for (int i = bound.start(); OB_SUCC(ret) && i < bound.end(); i++) {
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ret = ValueRangeChecker<vec_tc, Vector>::check(
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expr, ctx, expr.extra_, res_vec, i, warning);
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}
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} else {
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for (int i = bound.start(); OB_SUCC(ret) && i < bound.end(); i++) {
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if (skip.at(i) || res_vec->is_null(i)) { continue; }
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ret = ValueRangeChecker<vec_tc, Vector>::check(
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expr, ctx, expr.extra_, res_vec, i, warning);
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}
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}
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return ret;
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}
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};
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} // end sql
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} // end ocenabase
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#include "sql/engine/expr/vector_cast/util.ipp"
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#endif // OCEANBASE_SQL_ENG_EXPR_VECTOR_CASE_UTIL_H_
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