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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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180
src/sql/engine/expr/ob_expr_trim.h
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@ -15,134 +15,166 @@
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase {
namespace common {
class ObExprTypeCtx;
class ObExprCtx;
} // namespace common
namespace sql {
class ObExprTrim : public ObStringExprOperator {
namespace oceanbase
{
namespace common
{
class ObExprTypeCtx;
struct ObExprCtx;
} // common
namespace sql
{
class ObExprTrim : public ObStringExprOperator
{
public:
enum TrimType { TYPE_LRTRIM = 0, TYPE_LTRIM = 1, TYPE_RTRIM = 2 };
explicit ObExprTrim(common::ObIAllocator& alloc);
explicit ObExprTrim(common::ObIAllocator& alloc, ObExprOperatorType type, const char* name, int32_t param_num);
explicit ObExprTrim(common::ObIAllocator &alloc);
explicit ObExprTrim(common::ObIAllocator &alloc,
ObExprOperatorType type,
const char *name,
int32_t param_num);
virtual ~ObExprTrim();
static int calc(common::ObObj& result, const int64_t trim_type, const common::ObString& trim_pattern,
const common::ObString& text, const common::ObObjType& res_type, common::ObExprCtx& expr_ctx);
static int trim(common::ObString &result,
const int64_t trim_type,
const common::ObString &trim_pattern,
const common::ObString &text);
static int trim(common::ObString& result, const int64_t trim_type, const common::ObString& trim_pattern,
const common::ObString& text);
static int trim2(common::ObString &result,
const int64_t trim_type,
const common::ObString &trim_pattern,
const common::ObString &text,
const common::ObCollationType &cs_type,
const common::ObFixedArray<size_t, common::ObIAllocator> &,
const common::ObFixedArray<size_t, common::ObIAllocator> &);
static int trim2(common::ObString& result, const int64_t trim_type, const common::ObString& trim_pattern,
const common::ObString& text, const common::ObCollationType& cs_type,
const common::ObFixedArray<size_t, common::ObIAllocator>&,
const common::ObFixedArray<size_t, common::ObIAllocator>&);
virtual int calc_result_typeN(
ObExprResType& type, ObExprResType* types, int64_t param_num, common::ObExprTypeCtx& type_ctx) const override
virtual int calc_result_typeN(ObExprResType &type,
ObExprResType *types,
int64_t param_num,
common::ObExprTypeCtx &type_ctx) const
{
return deduce_result_type(type, types, param_num, type_ctx);
}
static int deduce_result_type(
ObExprResType& type, ObExprResType* types, int64_t param_num, common::ObExprTypeCtx& type_ctx);
static int deduce_result_type(ObExprResType &type,
ObExprResType *types,
int64_t param_num,
common::ObExprTypeCtx &type_ctx);
virtual int calc_resultN(common::ObObj& result, const common::ObObj* objs_array, int64_t param_num,
common::ObExprCtx& expr_ctx) const override;
virtual int cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const override;
virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
static int eval_trim(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum);
static int eval_trim(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum);
// fill ' ' to %buf with specified charset.
static int fill_default_pattern(char* buf, const int64_t in_len, common::ObCollationType cs_type, int64_t& out_len);
static int fill_default_pattern(char *buf, const int64_t in_len,
common::ObCollationType cs_type, int64_t &out_len);
private:
// helper func
static int lrtrim(const common::ObString src, const common::ObString pattern, int32_t& start, int32_t& end);
static int ltrim(const common::ObString src, const common::ObString pattern, int32_t& start);
static int rtrim(const common::ObString src, const common::ObString pattern, int32_t& end);
static int lrtrim(const common::ObString src,
const common::ObString pattern,
int32_t &start, int32_t &end);
static int ltrim(const common::ObString src,
const common::ObString pattern,
int32_t &start);
static int rtrim(const common::ObString src, const common::ObString pattern, int32_t &end);
static int lrtrim2(const common::ObString src, const common::ObString pattern, int32_t& start, int32_t& end);
static int ltrim2(const common::ObString src, const common::ObString pattern, int32_t& start,
const common::ObCollationType& cs_type, const common::ObFixedArray<size_t, common::ObIAllocator>&,
const common::ObFixedArray<size_t, common::ObIAllocator>&);
static int rtrim2(const common::ObString src, const common::ObString pattern, int32_t& end,
const common::ObCollationType& cs_type, const common::ObFixedArray<size_t, common::ObIAllocator>&,
const common::ObFixedArray<size_t, common::ObIAllocator>&);
static int lrtrim2(const common::ObString src,
const common::ObString pattern,
int32_t &start, int32_t &end);
static int ltrim2(const common::ObString src,
const common::ObString pattern,
int32_t &start,
const common::ObCollationType &cs_type,
const common::ObFixedArray<size_t, common::ObIAllocator> &,
const common::ObFixedArray<size_t, common::ObIAllocator> &);
static int rtrim2(const common::ObString src,
const common::ObString pattern,
int32_t &end,
const common::ObCollationType &cs_type,
const common::ObFixedArray<size_t, common::ObIAllocator> &,
const common::ObFixedArray<size_t, common::ObIAllocator> &);
// disallow copy
DISALLOW_COPY_AND_ASSIGN(ObExprTrim);
};
// Ltrim can use ObExprTrim's calc
class ObExprLtrim : public ObExprTrim {
class ObExprLtrim : public ObExprTrim
{
public:
explicit ObExprLtrim(common::ObIAllocator& alloc);
explicit ObExprLtrim(common::ObIAllocator& alloc, ObExprOperatorType type, const char* name, int32_t param_num);
explicit ObExprLtrim(common::ObIAllocator &alloc);
explicit ObExprLtrim(common::ObIAllocator &alloc,
ObExprOperatorType type,
const char *name,
int32_t param_num);
virtual ~ObExprLtrim();
virtual int calc_result_type1(
ObExprResType& res_type, ObExprResType& type1, common::ObExprTypeCtx& type_ctx) const override;
virtual int calc_result_type1(ObExprResType &res_type,
ObExprResType &type1,
common::ObExprTypeCtx &type_ctx) const;
virtual int calc_result_typeN(
ObExprResType& type, ObExprResType* types, int64_t param_num, common::ObExprTypeCtx& type_ctx) const override
virtual int calc_result_typeN(ObExprResType &type,
ObExprResType *types,
int64_t param_num,
common::ObExprTypeCtx &type_ctx) const
{
return deduce_result_type(type, types, param_num, type_ctx);
}
static int deduce_result_type(
ObExprResType& type, ObExprResType* types, int64_t param_num, common::ObExprTypeCtx& type_ctx);
static int deduce_result_type(ObExprResType &type,
ObExprResType *types,
int64_t param_num,
common::ObExprTypeCtx &type_ctx);
virtual int calc_result1(
common::ObObj& res_obj, const common::ObObj& obj1, common::ObExprCtx& expr_ctx) const override;
virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
int calc(common::ObObj& res_obj, const common::ObObj& obj1, common::ObExprCtx& expr_ctx, int64_t trim_type_val) const;
virtual int calc_resultN(common::ObObj& result, const common::ObObj* objs_array, int64_t param_num,
common::ObExprCtx& expr_ctx) const override;
static int calc_oracle_mode(common::ObObj& result, const int64_t trim_type, const common::ObString& pattern,
const common::ObString& text, const common::ObObjType& res_type, common::ObExprCtx& expr_ctx,
const int64_t param_num, const common::ObCollationType& cs_type);
virtual int cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const override;
private:
DISALLOW_COPY_AND_ASSIGN(ObExprLtrim);
};
// Rtrim can use ObExprTrim's calc
class ObExprRtrim : public ObExprLtrim {
class ObExprRtrim : public ObExprLtrim
{
public:
explicit ObExprRtrim(common::ObIAllocator& alloc);
explicit ObExprRtrim(common::ObIAllocator &alloc);
virtual ~ObExprRtrim();
virtual int calc_result1(common::ObObj& res_obj, const common::ObObj& obj1, common::ObExprCtx& expr_ctx) const;
virtual int calc_result_type1(ObExprResType &res_type,
ObExprResType &type1,
common::ObExprTypeCtx &type_ctx) const;
virtual int calc_resultN(
common::ObObj& result, const common::ObObj* objs_array, int64_t param_num, common::ObExprCtx& expr_ctx) const;
virtual int calc_result_type1(ObExprResType& res_type, ObExprResType& type1, common::ObExprTypeCtx& type_ctx) const;
virtual int calc_result_typeN(
ObExprResType& type, ObExprResType* types, int64_t param_num, common::ObExprTypeCtx& type_ctx) const
virtual int calc_result_typeN(ObExprResType &type,
ObExprResType *types,
int64_t param_num,
common::ObExprTypeCtx &type_ctx) const
{
return ObExprLtrim::deduce_result_type(type, types, param_num, type_ctx);
}
static int deduce_result_type(
ObExprResType& type, ObExprResType* types, int64_t param_num, common::ObExprTypeCtx& type_ctx);
static int deduce_result_type(ObExprResType &type,
ObExprResType *types,
int64_t param_num,
common::ObExprTypeCtx &type_ctx);
virtual int cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const
{
return ObExprLtrim::cg_expr(op_cg_ctx, raw_expr, rt_expr);
}
private:
DISALLOW_COPY_AND_ASSIGN(ObExprRtrim);
};
} // namespace sql
} // namespace oceanbase
} // sql
} // oceanbase
#endif /* _OB_SQL_EXPR_TRIM_H_ */