Avoid unnecessary no-op calls to applyNumericAffinity() for a small

performance improvement.

FossilOrigin-Name: 413d7287977702fa651c0140bd5cf29021fe3e79
This commit is contained in:
drh
2014-07-26 16:47:23 +00:00
parent eac5bd7870
commit 975b4c6e8b
3 changed files with 23 additions and 23 deletions
+6 -6
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@@ -1,5 +1,5 @@
C Try\sto\sfix\sharmless\scompiler\swarnings\sreported\sby\sFortify.
D 2014-07-25T21:35:39.767
C Avoid\sunnecessary\sno-op\scalls\sto\sapplyNumericAffinity()\sfor\sa\ssmall\nperformance\simprovement.
D 2014-07-26T16:47:23.387
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 5eb79e334a5de69c87740edd56af6527dd219308
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -283,7 +283,7 @@ F src/update.c 01564b3c430f6c7b0a35afaf7aba7987206fa3a5
F src/utf.c a0314e637768a030e6e84a957d0c4f6ba910cc05
F src/util.c 3076bdd51cdbf60a6e2e57fada745be37133c73e
F src/vacuum.c 3728d74919d4fb1356f9e9a13e27773db60b7179
F src/vdbe.c b7af861342a215c7f27d3f20d92fe0b70f54fb3e
F src/vdbe.c 145f909c1c7b16b0899bcab8b241b811e4af9534
F src/vdbe.h c63fad052c9e7388d551e556e119c0bcf6bebdf8
F src/vdbeInt.h f5513f2b5ac1e2c5128996c7ea23add256a301df
F src/vdbeapi.c 24e40422382beb774daab11fe9fe9d37e8a04949
@@ -1184,7 +1184,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
P 2d32e4876e0b162730f81e5c2658be12d64a9a99
R 863e6abd5a7272b515477418397f96e6
P e0fa6fdc14ac5458f9200cbae124f8025ea534ea
R 497e2677c499db4d4a797e5c1acd577b
U drh
Z f462357bfa110cd51b2e07287181f811
Z ee817a86e8cc0ab5547d2241830d36e2
+1 -1
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@@ -1 +1 @@
e0fa6fdc14ac5458f9200cbae124f8025ea534ea
413d7287977702fa651c0140bd5cf29021fe3e79
+5 -5
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@@ -224,7 +224,6 @@ static VdbeCursor *allocateCursor(
** look like a number, leave it alone.
*/
static void applyNumericAffinity(Mem *pRec){
if( (pRec->flags & (MEM_Real|MEM_Int))==0 ){
double rValue;
i64 iValue;
u8 enc = pRec->enc;
@@ -237,8 +236,9 @@ static void applyNumericAffinity(Mem *pRec){
pRec->r = rValue;
pRec->flags |= MEM_Real;
}
}
}
#define ApplyNumericAffinity(X) \
if(((X)->flags&(MEM_Real|MEM_Int))==0){applyNumericAffinity(X);}
/*
** Processing is determine by the affinity parameter:
@@ -275,7 +275,7 @@ static void applyAffinity(
}else if( affinity!=SQLITE_AFF_NONE ){
assert( affinity==SQLITE_AFF_INTEGER || affinity==SQLITE_AFF_REAL
|| affinity==SQLITE_AFF_NUMERIC );
applyNumericAffinity(pRec);
ApplyNumericAffinity(pRec);
if( pRec->flags & MEM_Real ){
sqlite3VdbeIntegerAffinity(pRec);
}
@@ -292,7 +292,7 @@ int sqlite3_value_numeric_type(sqlite3_value *pVal){
int eType = sqlite3_value_type(pVal);
if( eType==SQLITE_TEXT ){
Mem *pMem = (Mem*)pVal;
applyNumericAffinity(pMem);
ApplyNumericAffinity(pMem);
eType = sqlite3_value_type(pVal);
}
return eType;
@@ -3597,7 +3597,7 @@ case OP_SeekGT: { /* jump, in3 */
** blob, or NULL. But it needs to be an integer before we can do
** the seek, so covert it. */
pIn3 = &aMem[pOp->p3];
applyNumericAffinity(pIn3);
ApplyNumericAffinity(pIn3);
iKey = sqlite3VdbeIntValue(pIn3);
pC->rowidIsValid = 0;