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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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50
src/sql/engine/expr/ob_expr_substring_index.h
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@ -16,38 +16,36 @@
#include "lib/container/ob_array.h"
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase {
namespace sql {
class ObExprSubstringIndex : public ObStringExprOperator {
namespace oceanbase
{
namespace sql
{
class ObExprSubstringIndex : public ObStringExprOperator
{
public:
explicit ObExprSubstringIndex(common::ObIAllocator& alloc);
explicit ObExprSubstringIndex(common::ObIAllocator &alloc);
virtual ~ObExprSubstringIndex();
virtual int calc_result_type3(ObExprResType& type, ObExprResType& str, ObExprResType& delim, ObExprResType& count,
common::ObExprTypeCtx& type_ctx) const override;
virtual int calc_result3(common::ObObj& result, const common::ObObj& str, const common::ObObj& delim,
const common::ObObj& count, common::ObExprCtx& expr_ctx) const override;
virtual int calc_result_type3(ObExprResType &type,
ObExprResType &str,
ObExprResType &delim,
ObExprResType &count,
common::ObExprTypeCtx &type_ctx) const;
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_substring_index(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum);
private:
/**
* find m_count apperance of m_delim in m_str(from left or from right)
* @param[in] result calculated result
* parma[in] m_str string
* @param[in] m_delim substring
* @param[in] m_count nth apperance
* @return position of nth apperance of delim
*/
static int string_search(
common::ObString& result, const common::ObString& m_str, const common::ObString& m_delim, const int64_t m_count);
static int eval_substring_index(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum);
static int eval_substring_index_batch(const ObExpr &expr,
ObEvalCtx &ctx,
const ObBitVector &skip,
const int64_t batch_size);
virtual bool need_rt_ctx() const override { return true; }
private:
DISALLOW_COPY_AND_ASSIGN(ObExprSubstringIndex);
};
} // namespace sql
} // namespace oceanbase
} // namespace sql
} // namespace oceanbase
#endif // OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_SUBSTRING_INDEX_
#endif // OCEANBASE_SQL_ENGINE_EXPR_OB_EXPR_SUBSTRING_INDEX_