From: drh <drh@noemail.net>
Date: Sat, 26 Jul 2014 16:47:23 +0000 (+0000)
Subject: Avoid unnecessary no-op calls to applyNumericAffinity() for a small
X-Git-Tag: version-3.8.6~57
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=975b4c6e8bc70bfb0d8f29107d393f692d162a69;p=thirdparty%2Fsqlite.git

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

FossilOrigin-Name: 413d7287977702fa651c0140bd5cf29021fe3e79
---

diff --git a/manifest b/manifest
index 1097f4e5de..480568c8f0 100644
--- a/manifest
+++ b/manifest
@@ -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
diff --git a/manifest.uuid b/manifest.uuid
index 908cd7712f..06b44f1d10 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-e0fa6fdc14ac5458f9200cbae124f8025ea534ea
\ No newline at end of file
+413d7287977702fa651c0140bd5cf29021fe3e79
\ No newline at end of file
diff --git a/src/vdbe.c b/src/vdbe.c
index e53b9251a3..49183129aa 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -224,21 +224,21 @@ 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;
-    if( (pRec->flags&MEM_Str)==0 ) return;
-    if( sqlite3AtoF(pRec->z, &rValue, pRec->n, enc)==0 ) return;
-    if( 0==sqlite3Atoi64(pRec->z, &iValue, pRec->n, enc) ){
-      pRec->u.i = iValue;
-      pRec->flags |= MEM_Int;
-    }else{
-      pRec->r = rValue;
-      pRec->flags |= MEM_Real;
-    }
+  double rValue;
+  i64 iValue;
+  u8 enc = pRec->enc;
+  if( (pRec->flags&MEM_Str)==0 ) return;
+  if( sqlite3AtoF(pRec->z, &rValue, pRec->n, enc)==0 ) return;
+  if( 0==sqlite3Atoi64(pRec->z, &iValue, pRec->n, enc) ){
+    pRec->u.i = iValue;
+    pRec->flags |= MEM_Int;
+  }else{
+    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;