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Fix a bug introduced with recent optimizations: The unary minus operator 

is TK_UMINUS, not TK_MINUS.

FossilOrigin-Name: 4bd43307090258f8652c995b056101c51b81274a
This commit is contained in:
drh 2009-11-19 14:48:40 +00:00
parent f25a5071a6
commit cd7f457e6d
3 changed files with 12 additions and 12 deletions
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18
manifest
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@ -1,8 +1,8 @@
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
C Performance\simprovement\sby\savoiding\sunnecessary\scalls\sto\smemset().
D 2009-11-18T23:01:26
C Fix\sa\sbug\sintroduced\swith\srecent\soptimizations:\s\sThe\sunary\sminus\soperator\nis\sTK_UMINUS,\snot\sTK_MINUS.
D 2009-11-19T14:48:41
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in 53f3dfa49f28ab5b80cb083fb7c9051e596bcfa1
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@ -117,7 +117,7 @@ F src/callback.c 908f3e0172c3d4058f4ca0acd42c637c52e9669f
F src/complete.c 417df1ef5ea798532bb6290b0cc4265fef82980a
F src/date.c a79c0a8f219370b972e320741f995a3bef9df33f
F src/delete.c ec04635d152debdab70d4b30c5516b59282075ea
F src/expr.c ba653dafb23a75a7dbfb2033daa9786faf1e09da
F src/expr.c be7f3db3e3b57f1f66f7a2acc445e8cb03fbd5a5
F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb
F src/fkey.c e2116672a6bd610dc888e27df292ebc7999c9bb0
F src/func.c bf54e1202cbfb28bf4b1fd9b58899009ae76716f
@ -771,14 +771,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
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R 94c882b37dbcf4df81d200097ee8fbfb
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2
manifest.uuid
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@ -1 +1 @@
85940468e6f93f7c493fbc129f13cf6233c5d0c0
4bd43307090258f8652c995b056101c51b81274a

4
src/expr.c
View File

@ -1274,7 +1274,7 @@ int sqlite3ExprIsInteger(Expr *p, int *pValue){
*/
int sqlite3ExprCanBeNull(const Expr *p){
u8 op;
while( p->op==TK_UPLUS || p->op==TK_MINUS ){ p = p->pLeft; }
while( p->op==TK_UPLUS || p->op==TK_UMINUS ){ p = p->pLeft; }
op = p->op;
if( op==TK_REGISTER ) op = p->op2;
switch( op ){
@ -1319,7 +1319,7 @@ void sqlite3ExprCodeIsNullJump(
int sqlite3ExprNeedsNoAffinityChange(const Expr *p, char aff){
u8 op;
if( aff==SQLITE_AFF_NONE ) return 1;
while( p->op==TK_UPLUS || p->op==TK_MINUS ){ p = p->pLeft; }
while( p->op==TK_UPLUS || p->op==TK_UMINUS ){ p = p->pLeft; }
op = p->op;
if( op==TK_REGISTER ) op = p->op2;
switch( op ){