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Have each open database allocate its pTmpSpace when the first write cursor

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is opened, rather than on each insert or delete, for a small space savings
and performance boost.

FossilOrigin-Name: 99323552c001bc9173eb2a44542234c8ef7a9845
This commit is contained in:
drh
2014-09-24 19:47:27 +00:00
parent b2325b72df
commit 3fbb022b98
4 changed files with 14 additions and 17 deletions
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4
src/vdbe.c
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@@ -3287,10 +3287,6 @@ case OP_OpenWrite: {
assert( OPFLAG_BULKCSR==BTREE_BULKLOAD );
sqlite3BtreeCursorHints(pCur->pCursor, (pOp->p5 & OPFLAG_BULKCSR));
/* Since it performs no memory allocation or IO, the only value that
** sqlite3BtreeCursor() may return is SQLITE_OK. */
assert( rc==SQLITE_OK );
/* Set the VdbeCursor.isTable variable. Previous versions of
** SQLite used to check if the root-page flags were sane at this point
** and report database corruption if they were not, but this check has