hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

patch 4.0

Browse Source
This commit is contained in:
wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
src/sql/engine/expr/ob_expr_replace.h
View File

@ -17,45 +17,37 @@
#include "share/object/ob_obj_cast.h"
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase {
namespace sql {
class ObExprReplace : public ObStringExprOperator {
namespace oceanbase
{
namespace sql
{
class ObExprReplace : public ObStringExprOperator
{
public:
explicit ObExprReplace(common::ObIAllocator& alloc);
explicit ObExprReplace(common::ObIAllocator &alloc);
virtual ~ObExprReplace();
virtual int calc_result_typeN(
ObExprResType& type, ObExprResType* types_array, int64_t param_num, common::ObExprTypeCtx& type_ctx) const override;
virtual int calc_result_typeN(ObExprResType &type,
ObExprResType *types_array,
int64_t param_num,
common::ObExprTypeCtx &type_ctx) const;
static int calc(common::ObObj& result, const common::ObObj& text, const common::ObObj& from, const common::ObObj& to,
common::ObExprStringBuf& string_buf);
virtual int cg_expr(ObExprCGCtx &op_cg_ctx,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
virtual int calc_resultN(
common::ObObj& result, const common::ObObj* objs_array, int64_t param_num, common::ObExprCtx& expr_ctx) const;
///@brief call function calc(), implementation of ObExprOperator::calc_result2()
///
///@param [out] result result of REPLACE(str, str, str)
///@param [in] text input of str
///@param [in] text input of from which str
///@param [in] text input of to which str
///@param [in] allocator:ObExprStringBuf
///@return OB_SUCCESS success, others failure
virtual int calc_result3(common::ObObj& result, const common::ObObj& text, const common::ObObj& from,
const common::ObObj& to, common::ObExprCtx& expr_ctx) const;
virtual int cg_expr(ObExprCGCtx& op_cg_ctx, const ObRawExpr& raw_expr, ObExpr& rt_expr) const override;
static int eval_replace(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum);
static int eval_replace(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum);
// helper func
static int replace(common::ObString &result,
const common::ObString &text,
const common::ObString &from,
const common::ObString &to,
common::ObExprStringBuf &string_buf);
private:
// disallow copy
DISALLOW_COPY_AND_ASSIGN(ObExprReplace);
// helper func
static int replace(common::ObString& result, const common::ObString& text, const common::ObString& from,
const common::ObString& to, common::ObExprStringBuf& string_buf);
};
} // namespace sql
} // namespace oceanbase
#endif // OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_REPLACE_
} // namespace sql
} // namespace oceanbase
#endif // OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_REPLACE_