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patch 4.0

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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
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34
src/sql/engine/expr/ob_expr_remove_const.h
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@ -14,8 +14,10 @@
#define OCEANBASE_EXPR_OB_EXPR_REMOVE_CONST_H_
#include "sql/engine/expr/ob_expr_operator.h"
namespace oceanbase {
namespace sql {
namespace oceanbase
{
namespace sql
{
//
// remove_const() is added above const expr to resolve the const value overwrite problem
@ -30,26 +32,28 @@ namespace sql {
// remove_const(1), remove_const(2) will be overwrite when subquery is empty
// instead of const value: 1, 2
//
// see: https://yuque.antfin-inc.com/ob/sql/expression_result_overwrite#eaa08cb4
//
class ObExprRemoveConst : public ObFuncExprOperator {
class ObExprRemoveConst : public ObFuncExprOperator
{
public:
explicit ObExprRemoveConst(common::ObIAllocator& alloc);
virtual ~ObExprRemoveConst()
{}
explicit ObExprRemoveConst(common::ObIAllocator &alloc);
virtual ~ObExprRemoveConst() {}
virtual int calc_result_type1(
ObExprResType& type, ObExprResType& arg, common::ObExprTypeCtx& type_ctx) const override;
virtual int calc_result_type1(ObExprResType &type,
ObExprResType &arg,
common::ObExprTypeCtx &type_ctx) const override;
virtual int calc_result1(common::ObObj& result, const common::ObObj& arg, 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_remove_const(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& expr_datum);
static int eval_remove_const(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum);
private:
DISALLOW_COPY_AND_ASSIGN(ObExprRemoveConst);
};
} // namespace sql
} // namespace oceanbase
#endif // OCEANBASE_EXPR_OB_EXPR_REMOVE_CONST_H_
} // namespace sql
} // namespace oceanbase
#endif // OCEANBASE_EXPR_OB_EXPR_REMOVE_CONST_H_