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If a reprepare is needed after binding to a variable with a number larger

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than 32, set only the high-order bit of the Vdbe.expmask rather than setting
all bits.  This could potentially result in fewer false-positive reprepares.

FossilOrigin-Name: 45797feefe90cb7da53256b0c42fdaa1221d0a27
This commit is contained in:
drh
2017-03-03 21:51:40 +00:00
parent f3f883fcd7
commit 2996796dcf
4 changed files with 11 additions and 11 deletions
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4
src/vdbeaux.c
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@@ -4552,8 +4552,8 @@ sqlite3_value *sqlite3VdbeGetBoundValue(Vdbe *v, int iVar, u8 aff){
*/
void sqlite3VdbeSetVarmask(Vdbe *v, int iVar){
assert( iVar>0 );
if( iVar>32 ){
v->expmask = 0xffffffff;
if( iVar>=32 ){
v->expmask |= 0x80000000;
}else{
v->expmask |= ((u32)1 << (iVar-1));
}