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Small performance optimization in sqlite3VdbeRecordCompareWithSkip() for

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the common case where the comparison is equal.

FossilOrigin-Name: 1e616e256a4fb1b64271706fdfa77dc5790eba0a2f0e619544e169bc61d7c805
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drh
2018-06-06 20:29:19 +00:00
parent 4011c44322
commit d882108a01
3 changed files with 9 additions and 8 deletions
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3
src/vdbeaux.c
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@@ -4284,10 +4284,11 @@ int sqlite3VdbeRecordCompareWithSkip(
}
i++;
if( i==pPKey2->nField ) break;
pRhs++;
d1 += sqlite3VdbeSerialTypeLen(serial_type);
idx1 += sqlite3VarintLen(serial_type);
}while( idx1<(unsigned)szHdr1 && i<pPKey2->nField && d1<=(unsigned)nKey1 );
}while( idx1<(unsigned)szHdr1 && d1<=(unsigned)nKey1 );
/* No memory allocation is ever used on mem1. Prove this using
** the following assert(). If the assert() fails, it indicates a