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Minor cleanups in sqlite3Int.h. By reordering some fields in the Parse

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object, it packs more tightly and uses less memory and less CPU to
initialize.

FossilOrigin-Name: aa6de539c09faa320b68c63659e602107145c4263fa680d5b40fe4d7d7ac4534
This commit is contained in:
drh
2023-08-08 17:36:03 +00:00
parent 73cdbeb632
commit 80c438613a
3 changed files with 12 additions and 13 deletions
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11
src/sqliteInt.h
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@@ -894,7 +894,7 @@ typedef INT16_TYPE LogEst;
/*
** P is one byte past the end of a large buffer. Return true if a span of bytes
** between S..E crosses the end of that buffer. In other words, return true
** if the sub-buffer S..E-1 overflows the buffer show last byte is P-1.
** if the sub-buffer S..E-1 overflows the buffer whose last byte is P-1.
**
** S is the start of the span. E is one byte past the end of end of span.
**
@@ -1257,7 +1257,6 @@ typedef struct Cte Cte;
typedef struct CteUse CteUse;
typedef struct Db Db;
typedef struct DbFixer DbFixer;
typedef struct DblDbl DblDbl;
typedef struct Schema Schema;
typedef struct Expr Expr;
typedef struct ExprList ExprList;
@@ -3778,6 +3777,9 @@ struct Parse {
int regRoot; /* Register holding root page number for new objects */
int nMaxArg; /* Max args passed to user function by sub-program */
int nSelect; /* Number of SELECT stmts. Counter for Select.selId */
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
u32 nProgressSteps; /* xProgress steps taken during sqlite3_prepare() */
#endif
#ifndef SQLITE_OMIT_SHARED_CACHE
int nTableLock; /* Number of locks in aTableLock */
TableLock *aTableLock; /* Required table locks for shared-cache mode */
@@ -3791,12 +3793,9 @@ struct Parse {
int addrCrTab; /* Address of OP_CreateBtree on CREATE TABLE */
Returning *pReturning; /* The RETURNING clause */
} u1;
LogEst nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */
u32 oldmask; /* Mask of old.* columns referenced */
u32 newmask; /* Mask of new.* columns referenced */
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
u32 nProgressSteps; /* xProgress steps taken during sqlite3_prepare() */
#endif
LogEst nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */
u8 eTriggerOp; /* TK_UPDATE, TK_INSERT or TK_DELETE */
u8 bReturning; /* Coding a RETURNING trigger */
u8 eOrconf; /* Default ON CONFLICT policy for trigger steps */