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Copy pathob_expr_array_slice.h
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54 lines (45 loc) · 1.87 KB
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/*
* Copyright (c) 2025 OceanBase.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef OCEANBASE_SQL_OB_EXPR_ARRAY_SLICE
#define OCEANBASE_SQL_OB_EXPR_ARRAY_SLICE
#include "lib/udt/ob_array_type.h"
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase
{
namespace sql
{
class ObExprArraySlice : public ObFuncExprOperator
{
public:
explicit ObExprArraySlice(common::ObIAllocator &alloc);
virtual ~ObExprArraySlice();
virtual int calc_result_typeN(ObExprResType &type, ObExprResType *types, int64_t param_num,
common::ObExprTypeCtx &type_ctx) const override;
static int eval_array_slice(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
static int eval_array_slice_batch(const ObExpr &expr, ObEvalCtx &ctx, const ObBitVector &skip,
const int64_t batch_size);
static int eval_array_slice_vector(const ObExpr &expr, ObEvalCtx &ctx, const ObBitVector &skip,
const EvalBound &bound);
static int get_subarray(ObIArrayType *&res_arr, ObIArrayType *src_arr, int64_t offset,
int64_t len, bool has_len);
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &expr) const override;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprArraySlice);
};
} // namespace sql
} // namespace oceanbase
#endif