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

51
src/sql/resolver/expr/ob_raw_expr_canonicalizer_impl.h
View File

@ -13,46 +13,47 @@
#ifndef _OB_RAW_EXPR_CANONICALIZER_IMPL_H
#define _OB_RAW_EXPR_CANONICALIZER_IMPL_H
#include "sql/resolver/expr/ob_raw_expr_canonicalizer.h"
namespace oceanbase {
namespace sql {
class ObRawExprCanonicalizerImpl : public ObRawExprCanonicalizer {
namespace oceanbase
{
namespace sql
{
class ObRawExprCanonicalizerImpl : public ObRawExprCanonicalizer
{
public:
explicit ObRawExprCanonicalizerImpl(ObExprResolveContext& ctx);
virtual ~ObRawExprCanonicalizerImpl()
{}
virtual int canonicalize(ObRawExpr*& expr);
explicit ObRawExprCanonicalizerImpl(ObExprResolveContext &ctx);
virtual ~ObRawExprCanonicalizerImpl() {}
virtual int canonicalize(ObRawExpr *&expr);
private:
// types and constants
private:
// disallow copy
DISALLOW_COPY_AND_ASSIGN(ObRawExprCanonicalizerImpl);
// function members
typedef int (ObRawExprCanonicalizerImpl::*process_action)(ObRawExpr*& expr);
int process_children(ObRawExpr*& expr, process_action trave_action);
int push_not(ObRawExpr*& expr);
int do_push_not(ObRawExpr*& expr);
int pull_parallel_expr(ObRawExpr*& expr);
int pull_and_factor(ObRawExpr*& expr);
int pull_similar_expr(ObRawExpr*& expr);
int cluster_and_or(ObRawExpr*& expr);
typedef int (ObRawExprCanonicalizerImpl::* process_action)(ObRawExpr *&expr);
int process_children(ObRawExpr *&expr, process_action trave_action);
int push_not(ObRawExpr *&expr);
int do_push_not(ObRawExpr *&expr);
int pull_parallel_expr(ObRawExpr *&expr);
int pull_and_factor(ObRawExpr *&expr);
int pull_similar_expr(ObRawExpr *&expr);
int cluster_and_or(ObRawExpr *&expr);
private:
struct ObOppositeOpPair {
ObItemType original_;
ObItemType opposite_;
struct ObOppositeOpPair
{
ObItemType original_;
ObItemType opposite_;
};
static ObItemType get_opposite_op(ObItemType type);
static ObOppositeOpPair OPPOSITE_PAIRS[];
private:
// data members
ObExprResolveContext& ctx_;
// ObIAllocator &allocator_;
ObExprResolveContext &ctx_;
// ObIAllocator &allocator_;
};
} // end namespace sql
} // end namespace oceanbase
} // end namespace sql
} // end namespace oceanbase
#endif /* _OB_RAW_EXPR_CANONICALIZER_IMPL_H */