Walker Struct Reference

Data Fields
Parse *	pParse
int(*	xExprCallback )(Walker *, Expr *)
int(*	xSelectCallback )(Walker *, Select *)
void(*	xSelectCallback2 )(Walker *, Select *)
int	walkerDepth
u16	eCode
union {
NameContext *   pNC
int   n
int   iCur
SrcList *   pSrcList
struct SrcCount *   pSrcCount
struct CCurHint *   pCCurHint
int *   aiCol
struct IdxCover *   pIdxCover
struct IdxExprTrans *   pIdxTrans
ExprList *   pGroupBy
Select *   pSelect
struct WindowRewrite *   pRewrite
struct WhereConst *   pConst
struct RenameCtx *   pRename
struct Table *   pTab
struct SrcList_item *   pSrcItem
}	u

Detailed Description

Definition at line 19090 of file sqlite3.c.

Field Documentation

aiCol

int* Walker::aiCol

Definition at line 19104 of file sqlite3.c.

Referenced by checkConstraintExprNode(), and sqlite3ExprReferencesUpdatedColumn().

eCode

u16 Walker::eCode

Definition at line 19096 of file sqlite3.c.

Referenced by checkConstraintExprNode(), exprIdxCover(), exprIsDeterministic(), exprNodeIsConstant(), havingToWhere(), havingToWhereExprCb(), impliesNotNullRow(), selectExpander(), sqlite3ComputeGeneratedColumns(), sqlite3ExprCoveredByIndex(), sqlite3ExprImpliesNonNullRow(), sqlite3ExprIsConstantOrGroupBy(), sqlite3ExprReferencesUpdatedColumn(), sqlite3SelectExpand(), and sqlite3SelectWalkFail().

iCur

int Walker::iCur

Definition at line 19100 of file sqlite3.c.

Referenced by exprNodeIsConstant(), impliesNotNullRow(), and sqlite3ExprImpliesNonNullRow().

n

int Walker::n

Definition at line 19099 of file sqlite3.c.

Referenced by incrAggFunctionDepth().

pCCurHint

struct CCurHint* Walker::pCCurHint

Definition at line 19103 of file sqlite3.c.

pConst

struct WhereConst* Walker::pConst

Definition at line 19110 of file sqlite3.c.

Referenced by propagateConstantExprRewrite(), and propagateConstants().

pGroupBy

ExprList* Walker::pGroupBy

Definition at line 19107 of file sqlite3.c.

Referenced by sqlite3ExprIsConstantOrGroupBy().

pIdxCover

struct IdxCover* Walker::pIdxCover

Definition at line 19105 of file sqlite3.c.

Referenced by exprIdxCover(), and sqlite3ExprCoveredByIndex().

pIdxTrans

struct IdxExprTrans* Walker::pIdxTrans

Definition at line 19106 of file sqlite3.c.

Referenced by whereIndexExprTrans(), and whereIndexExprTransNode().

pNC

NameContext* Walker::pNC

Definition at line 19098 of file sqlite3.c.

Referenced by analyzeAggregate(), resolveExprStep(), sqlite3ExprAnalyzeAggregates(), sqlite3ResolveExprListNames(), sqlite3ResolveExprNames(), and sqlite3ResolveSelectNames().

pParse

Parse* Walker::pParse

Definition at line 19091 of file sqlite3.c.

Referenced by agginfoPersistExprCb(), convertCompoundSelectToSubquery(), havingToWhere(), havingToWhereExprCb(), propagateConstants(), renameColumnExprCb(), renameColumnFunc(), renameTableFunc(), resolveExprStep(), selectAddSubqueryTypeInfo(), selectExpander(), selectPopWith(), selectWindowRewriteEList(), selectWindowRewriteExprCb(), sqlite3ExprAnalyzeAggregates(), sqlite3ExprIsConstantOrGroupBy(), sqlite3ResolveExprListNames(), sqlite3ResolveExprNames(), sqlite3ResolveSelectNames(), sqlite3SelectAddTypeInfo(), sqlite3SelectExpand(), sqlite3WalkSelectExpr(), and withExpand().

pRename

struct RenameCtx* Walker::pRename

Definition at line 19111 of file sqlite3.c.

Referenced by renameColumnExprCb(), renameColumnFunc(), and renameTableFunc().

pRewrite

struct WindowRewrite* Walker::pRewrite

Definition at line 19109 of file sqlite3.c.

Referenced by selectWindowRewriteEList(), and selectWindowRewriteExprCb().

pSelect

Select* Walker::pSelect

Definition at line 19108 of file sqlite3.c.

Referenced by gatherSelectWindowsCallback(), havingToWhere(), havingToWhereExprCb(), and sqlite3WalkSelectFrom().

pSrcCount

struct SrcCount* Walker::pSrcCount

Definition at line 19102 of file sqlite3.c.

Referenced by selectSrcCount(), and sqlite3FunctionUsesThisSrc().

pSrcItem

struct SrcList_item* Walker::pSrcItem

Definition at line 19113 of file sqlite3.c.

pSrcList

SrcList* Walker::pSrcList

Definition at line 19101 of file sqlite3.c.

pTab

struct Table* Walker::pTab

Definition at line 19112 of file sqlite3.c.

Referenced by sqlite3ComputeGeneratedColumns().

[union]

union { ... } Walker::u

Referenced by analyzeAggregate(), checkConstraintExprNode(), exprIdxCover(), exprNodeIsConstant(), gatherSelectWindowsCallback(), havingToWhere(), havingToWhereExprCb(), impliesNotNullRow(), incrAggFunctionDepth(), propagateConstantExprRewrite(), propagateConstants(), renameColumnExprCb(), renameColumnFunc(), renameTableFunc(), resolveExprStep(), selectSrcCount(), selectWindowRewriteEList(), selectWindowRewriteExprCb(), sqlite3ComputeGeneratedColumns(), sqlite3ExprAnalyzeAggregates(), sqlite3ExprCoveredByIndex(), sqlite3ExprImpliesNonNullRow(), sqlite3ExprIsConstantOrGroupBy(), sqlite3ExprReferencesUpdatedColumn(), sqlite3FunctionUsesThisSrc(), sqlite3ResolveExprListNames(), sqlite3ResolveExprNames(), sqlite3ResolveSelectNames(), whereIndexExprTrans(), and whereIndexExprTransNode().

walkerDepth

int Walker::walkerDepth

Definition at line 19095 of file sqlite3.c.

Referenced by analyzeAggregate(), propagateConstants(), sqlite3ExprAnalyzeAggregates(), sqlite3WalkerDepthDecrease(), and sqlite3WindowExtraAggFuncDepth().

xExprCallback

int(* Walker::xExprCallback) (Walker *, Expr *)

Definition at line 19092 of file sqlite3.c.

Referenced by exprIsDeterministic(), havingToWhere(), propagateConstants(), renameColumnFunc(), renameTableFunc(), selectWindowRewriteEList(), sqlite3ComputeGeneratedColumns(), sqlite3ExprAnalyzeAggregates(), sqlite3ExprCoveredByIndex(), sqlite3ExprImpliesNonNullRow(), sqlite3ExprIsConstantOrGroupBy(), sqlite3ExprReferencesUpdatedColumn(), sqlite3FunctionUsesThisSrc(), sqlite3ResolveExprListNames(), sqlite3ResolveExprNames(), sqlite3ResolveSelectNames(), sqlite3SelectAddTypeInfo(), sqlite3SelectExpand(), sqlite3WindowRewrite(), walkExpr(), and whereIndexExprTrans().

xSelectCallback

int(* Walker::xSelectCallback) (Walker *, Select *)

Definition at line 19093 of file sqlite3.c.

Referenced by exprIsDeterministic(), propagateConstants(), renameColumnFunc(), renameTableFunc(), selectWindowRewriteEList(), sqlite3ComputeGeneratedColumns(), sqlite3ExprAnalyzeAggregates(), sqlite3ExprImpliesNonNullRow(), sqlite3ExprIsConstantOrGroupBy(), sqlite3FunctionUsesThisSrc(), sqlite3ResolveExprListNames(), sqlite3ResolveExprNames(), sqlite3ResolveSelectNames(), sqlite3SelectAddTypeInfo(), sqlite3SelectExpand(), sqlite3WalkSelect(), and sqlite3WindowRewrite().

xSelectCallback2

void(* Walker::xSelectCallback2) (Walker *, Select *)

Definition at line 19094 of file sqlite3.c.

Referenced by propagateConstants(), sqlite3ComputeGeneratedColumns(), sqlite3ExprAnalyzeAggregates(), sqlite3ExprImpliesNonNullRow(), sqlite3ResolveExprListNames(), sqlite3ResolveExprNames(), sqlite3ResolveSelectNames(), sqlite3SelectAddTypeInfo(), sqlite3SelectExpand(), sqlite3WalkSelect(), and sqlite3WindowRewrite().

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The documentation for this struct was generated from the following file:

• sqlite3.c