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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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91
src/sql/engine/expr/ob_expr_substr.h
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@ -15,48 +15,77 @@
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase {
namespace sql {
namespace oceanbase
{
namespace sql
{
class ObExprSubstr : public ObStringExprOperator {
class ObExprSubstr : public ObStringExprOperator
{
public:
explicit ObExprSubstr(common::ObIAllocator& alloc);
explicit ObExprSubstr(common::ObIAllocator &alloc);
virtual ~ObExprSubstr();
virtual int calc_result2(common::ObObj& result, const common::ObObj& text, const common::ObObj& start_pos,
common::ObExprCtx& expr_ctx) const override;
virtual int calc_result3(common::ObObj& result, const common::ObObj& text, const common::ObObj& start_pos,
const common::ObObj& length, common::ObExprCtx& expr_ctx) const override;
virtual int calc_result_typeN(ObExprResType& type, ObExprResType* types_stack, int64_t param_num,
common::ObExprTypeCtx& type_ctx) const override;
virtual int calc_resultN(common::ObObj& result, const common::ObObj* objs_array, int64_t param_num,
common::ObExprCtx& expr_ctx) const override;
virtual int calc_result_typeN(ObExprResType &type,
ObExprResType *types_stack,
int64_t param_num,
common::ObExprTypeCtx &type_ctx) const;
static int substr(common::ObString& output, const common::ObString& input, const int64_t pos, const int64_t len,
common::ObCollationType cs_type);
static int substr(common::ObString &output,
const common::ObString &input,
const int64_t pos,
const int64_t len,
common::ObCollationType cs_type,
const bool do_ascii_optimize_check);
static int calc(common::ObObj& result, const common::ObString& text, const int64_t start_pos, const int64_t length,
common::ObCollationType cs_type, const bool is_clob);
static int calc(common::ObObj &result,
const common::ObString &text,
const int64_t start_pos,
const int64_t length,
common::ObCollationType cs_type,
const bool is_clob);
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_substr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum);
static int eval_substr(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum);
static int eval_substr_batch(
const ObExpr &expr, ObEvalCtx &ctx, const ObBitVector &skip, const int64_t batch_size);
private:
int calc_result_length(
ObExprResType* types_array, int64_t param_num, common::ObCollationType cs_type, int64_t& res_len) const;
int calc_result2_for_mysql(common::ObObj& result, const common::ObObj& text, const common::ObObj& start_pos,
common::ObExprCtx& expr_ctx) const;
int calc_result2_for_oracle(common::ObObj& result, const common::ObObj& text, const common::ObObj& start_pos,
common::ObExprCtx& expr_ctx) const;
int calc_result3_for_mysql(common::ObObj& result, const common::ObObj& text, const common::ObObj& start_pos,
const common::ObObj& length, common::ObExprCtx& expr_ctx) const;
int calc_result3_for_oracle(common::ObObj& result, const common::ObObj& text, const common::ObObj& start_pos,
const common::ObObj& length, common::ObExprCtx& expr_ctx) const;
int cast_param_type_for_mysql(const common::ObObj& in, common::ObExprCtx& expr_ctx, common::ObObj& out) const;
int calc_result_length(ObExprResType *types_array,
int64_t param_num,
common::ObCollationType cs_type,
int64_t &res_len) const;
int calc_result_length_oracle(const ObExprResType *types_array,
int64_t param_num,
const ObExprResType &result_type,
int64_t &res_len) const;
int calc_result2_for_mysql(common::ObObj &result,
const common::ObObj &text,
const common::ObObj &start_pos,
common::ObExprCtx &expr_ctx) const;
int calc_result2_for_oracle(common::ObObj &result,
const common::ObObj &text,
const common::ObObj &start_pos,
common::ObExprCtx &expr_ctx) const;
int calc_result3_for_mysql(common::ObObj &result,
const common::ObObj &text,
const common::ObObj &start_pos,
const common::ObObj &length,
common::ObExprCtx &expr_ctx) const;
int calc_result3_for_oracle(common::ObObj &result,
const common::ObObj &text,
const common::ObObj &start_pos,
const common::ObObj &length,
common::ObExprCtx &expr_ctx) const;
int cast_param_type_for_mysql(const common::ObObj& in,
common::ObExprCtx& expr_ctx,
common::ObObj& out) const;
// disallow copy
DISALLOW_COPY_AND_ASSIGN(ObExprSubstr);
};
} // namespace sql
} // namespace oceanbase
}
}
#endif /* OCEANBASE_SQL_ENGINE_EXPR_SUBSTR_ */