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Minor performance enhancements to the OP_Affinity opcode.

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FossilOrigin-Name: c45cd3b947c0f03a688f827fddb4629a986788f0dd98d5ef899f11e68ff1c202
This commit is contained in:
drh 2017-04-01 20:14:01 +00:00
parent 96a7e28df6
commit 662c50e067
3 changed files with 11 additions and 11 deletions
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12
manifest
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@ -1,5 +1,5 @@
C Remove\san\sunnecessary\sclearing\sof\sthe\sVdbe.iCurrentTime\svalue.
D 2017-04-01T19:45:20.706
C Minor\sperformance\senhancements\sto\sthe\sOP_Affinity\sopcode.
D 2017-04-01T20:14:01.312
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@ -468,7 +468,7 @@ F src/update.c 456d4a4656f8a03c2abc88a51b19172197400e58
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F src/vdbeInt.h 5db089ce18c4feff8820ec6e4cac2d2c82e03d4b1d96f10a6e43832147b8dffe
F src/vdbeapi.c 5b08d82592bcff4470601fe78aaabebd50837860
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2
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fcd2acdd6075aa9a7a66ce254eba77485f7b2804127e109c0309173488cd4b87
c45cd3b947c0f03a688f827fddb4629a986788f0dd98d5ef899f11e68ff1c202

8
src/vdbe.c
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@ -2710,18 +2710,18 @@ op_column_out:
*/
case OP_Affinity: {
const char *zAffinity; /* The affinity to be applied */
char cAff; /* A single character of affinity */
zAffinity = pOp->p4.z;
assert( zAffinity!=0 );
assert( pOp->p2>0 );
assert( zAffinity[pOp->p2]==0 );
pIn1 = &aMem[pOp->p1];
while( (cAff = *(zAffinity++))!=0 ){
do{
assert( pIn1 <= &p->aMem[(p->nMem+1 - p->nCursor)] );
assert( memIsValid(pIn1) );
applyAffinity(pIn1, cAff, encoding);
applyAffinity(pIn1, *(zAffinity++), encoding);
pIn1++;
}
}while( zAffinity[0] );
break;
}