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An improvement to check-in [1a341378ab24a509] that omits the new

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Walker.bWalkWinDefn boolean (which is not always initialized) and uses
a special value for xSelectCallback2 instead.

FossilOrigin-Name: bef2238de9550de84d4cd1c970a542b43db288d73d09a3c3ced7f98bb3188fd3
This commit is contained in:
drh
2021-04-19 19:59:16 +00:00
parent 1bb89e9cc8
commit 5e8e7464d0
5 changed files with 23 additions and 14 deletions
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2
src/sqliteInt.h
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@@ -3833,7 +3833,6 @@ struct Walker {
void (*xSelectCallback2)(Walker*,Select*);/* Second callback for SELECTs */
int walkerDepth; /* Number of subqueries */
u16 eCode; /* A small processing code */
unsigned bWalkWinDefn : 1; /* True to walk pWinDefn */
union { /* Extra data for callback */
NameContext *pNC; /* Naming context */
int n; /* A counter */
@@ -3881,6 +3880,7 @@ int sqlite3SelectWalkNoop(Walker*, Select*);
int sqlite3SelectWalkFail(Walker*, Select*);
int sqlite3WalkerDepthIncrease(Walker*,Select*);
void sqlite3WalkerDepthDecrease(Walker*,Select*);
void sqlite3WalkWinDefnDummyCallback(Walker*,Select*);
#ifdef SQLITE_DEBUG
void sqlite3SelectWalkAssert2(Walker*, Select*);