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oceanbase/src/sql/engine/basic/ob_expr_values_op.h
jingtaoye35 8015a958d0 [FEAT MERGE] implement values statement
Co-authored-by: wangt1xiuyi <13547954130@163.com>
2023-08-30 10:44:18 +00:00

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3.6 KiB
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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#ifndef OCEANBASE_SQL_ENGINE_BASIC_OB_EXPR_VALUES_OP_
#define OCEANBASE_SQL_ENGINE_BASIC_OB_EXPR_VALUES_OP_
#include "sql/engine/ob_operator.h"
#include "sql/engine/expr/ob_datum_cast.h"
#include "sql/engine/dml/ob_err_log_service.h"
namespace oceanbase
{
namespace sql
{
class ObPhyOpSeriCtx;
class ObErrLogService;
class ObExprValuesSpec : public ObOpSpec
{
OB_UNIS_VERSION_V(1);
public:
ObExprValuesSpec(common::ObIAllocator &alloc, const ObPhyOperatorType type)
: ObOpSpec(alloc, type),
values_(alloc),
column_names_(alloc),
is_strict_json_desc_(alloc),
str_values_array_(alloc),
err_log_ct_def_(alloc),
contain_ab_param_(0),
ins_values_batch_opt_(false),
array_group_idx_(-1)
{ }
INHERIT_TO_STRING_KV("op_spec", ObOpSpec, K(array_group_idx_));
int64_t get_value_count() const { return values_.count(); }
int64_t get_is_strict_json_desc_count() const { return is_strict_json_desc_.count(); }
virtual int serialize(char *buf,
int64_t buf_len,
int64_t &pos,
ObPhyOpSeriCtx &seri_ctx) const override;
virtual int64_t get_serialize_size(const ObPhyOpSeriCtx &seri_ctx) const override;
int64_t get_serialize_size_(const ObPhyOpSeriCtx &seri_ctx) const;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprValuesSpec);
public:
common::ObFixedArray<ObExpr *, common::ObIAllocator> values_;
common::ObFixedArray<common::ObString, common::ObIAllocator> column_names_;
common::ObFixedArray<bool, common::ObIAllocator> is_strict_json_desc_;
common::ObFixedArray<ObStrValues, common::ObIAllocator> str_values_array_;
ObErrLogCtDef err_log_ct_def_;
int64_t contain_ab_param_;
bool ins_values_batch_opt_;
int64_t array_group_idx_;
};
class ObExprValuesOp : public ObOperator
{
public:
ObExprValuesOp(ObExecContext &exec_ctx, const ObOpSpec &spec, ObOpInput *input);
virtual int inner_open() override;
virtual int inner_rescan() override;
virtual int switch_iterator() override;
virtual int inner_get_next_row() override;
virtual int inner_close() override;
virtual void destroy() override { ObOperator::destroy(); }
private:
int calc_next_row();
void update_src_meta(ObDatumMeta &src_meta, const ObObjMeta &src_obj_meta, const ObAccuracy &src_obj_acc);
int get_real_batch_obj_type(ObDatumMeta &src_meta,
ObObjMeta &src_obj_meta,
ObExpr *src_expr,
int64_t group_idx);
int eval_values_op_dynamic_cast_to_lob(ObExpr &real_src_expr,
ObObjMeta &src_obj_meta,
ObExpr *dst_expr);
private:
DISALLOW_COPY_AND_ASSIGN(ObExprValuesOp);
private:
int64_t node_idx_;
int64_t vector_index_;
ObDatumCaster datum_caster_;
common::ObCastMode cm_;
ObErrLogService err_log_service_;
ObErrLogRtDef err_log_rt_def_;
bool has_sequence_;
int64_t real_value_cnt_;
int64_t param_idx_;
int64_t param_cnt_;
};
} // end namespace sql
} // end namespace oceanbase
#endif