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patch 4.0

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wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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71
src/sql/engine/expr/ob_expr_instr.h
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@ -13,47 +13,62 @@
#ifndef SRC_SQL_ENGINE_EXPR_OB_EXPR_INSTR_H_
#define SRC_SQL_ENGINE_EXPR_OB_EXPR_INSTR_H_
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase {
namespace sql {
class ObExprInstr : public ObLocationExprOperator {
namespace oceanbase
{
namespace sql
{
class ObExprInstr: public ObLocationExprOperator
{
public:
ObExprInstr();
explicit ObExprInstr(common::ObIAllocator& alloc);
explicit ObExprInstr(common::ObIAllocator &alloc);
virtual ~ObExprInstr();
virtual int calc_result2(
common::ObObj& result, const common::ObObj& obj1, const common::ObObj& obj2, common::ObExprCtx& expr_ctx) const;
virtual int cg_expr(ObExprCGCtx& expr_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const;
static int calc_mysql_instr_expr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum);
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const;
static int calc_mysql_instr_expr(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res_datum);
private:
DISALLOW_COPY_AND_ASSIGN(ObExprInstr);
};
class ObExprOracleInstr : public ObLocationExprOperator {
class ObExprOracleInstr: public ObLocationExprOperator
{
public:
ObExprOracleInstr();
explicit ObExprOracleInstr(common::ObIAllocator& alloc);
explicit ObExprOracleInstr(common::ObIAllocator &alloc);
virtual ~ObExprOracleInstr();
virtual int calc_result_typeN(
ObExprResType& type, ObExprResType* type_array, int64_t param_num, common::ObExprTypeCtx& type_ctx) const;
virtual int calc_resultN(
common::ObObj& result, const common::ObObj* param_array, int64_t param_num, common::ObExprCtx& expr_ctx) const;
static int slow_reverse_search(common::ObIAllocator& alloc, const common::ObCollationType& cs_type,
const common::ObString& str1, const common::ObString& str2, int64_t neg_start, int64_t occ, uint32_t& idx);
virtual int cg_expr(ObExprCGCtx& expr_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const;
static int calc_oracle_instr_arg(const ObExpr& expr, ObEvalCtx& ctx, bool& is_null, common::ObDatum*& haystack,
common::ObDatum*& needle, int64_t& pos_int, int64_t& occ_int, common::ObCollationType& calc_cs_type);
static int calc_oracle_instr_expr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum);
static int calc(common::ObObj& result, const common::ObObj& heystack, const common::ObObj& needle,
const common::ObObj& position, const common::ObObj& occurrence, common::ObExprCtx& expr_ctx);
virtual int calc_result_typeN(ObExprResType &type,
ObExprResType *type_array,
int64_t param_num,
common::ObExprTypeCtx &type_ctx) const;
static int slow_reverse_search(common::ObIAllocator &alloc,
const common::ObCollationType &cs_type,
const common::ObString &str1, const common::ObString &str2,
int64_t neg_start, int64_t occ, uint32_t &idx);
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const;
static int calc_oracle_instr_arg(const ObExpr &expr, ObEvalCtx &ctx,
bool &is_null,
common::ObDatum *&haystack, common::ObDatum *&needle,
int64_t &pos_int, int64_t &occ_int,
common::ObCollationType &calc_cs_type);
static int calc_oracle_instr_expr(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res_datum);
static int calc(common::ObObj &result,
const common::ObObj &heystack,
const common::ObObj &needle,
const common::ObObj &position,
const common::ObObj &occurrence,
common::ObExprCtx &expr_ctx);
private:
virtual int calc_result_type2(
ObExprResType& type, ObExprResType& type1, ObExprResType& type2, common::ObExprTypeCtx& type_ctx) const;
virtual int calc_result_type2(ObExprResType &type,
ObExprResType &type1,
ObExprResType &type2,
common::ObExprTypeCtx &type_ctx) const;
DISALLOW_COPY_AND_ASSIGN(ObExprOracleInstr);
};
} // end of namespace sql
} // end of namespace oceanbase
}//end of namespace sql
}//end of namespace oceanbase
#endif /* SRC_SQL_ENGINE_EXPR_OB_EXPR_INSTR_H_ */