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Add the SQLITE_DBCONFIG_ENABLE_QPSG option to activate the query planner

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stability guarantee.  This involves refactoring the sqlite3.flags bitvector
to carve out a free bit to use.

FossilOrigin-Name: 7076e8283ebae1b45a5d85d9538b49b6da399d38c3c6935de100f948f814f6a9
This commit is contained in:
drh
2017-06-26 13:57:49 +00:00
parent a22dd3860a
commit 169dd928c5
15 changed files with 160 additions and 65 deletions
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2
src/vdbe.c
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@@ -6571,7 +6571,7 @@ case OP_Expire: {
*/
case OP_TableLock: {
u8 isWriteLock = (u8)pOp->p3;
if( isWriteLock || 0==(db->flags&SQLITE_ReadUncommitted) ){
if( isWriteLock || 0==(db->flags&SQLITE_ReadUncommit) ){
int p1 = pOp->p1;
assert( p1>=0 && p1<db->nDb );
assert( DbMaskTest(p->btreeMask, p1) );