diff options
Diffstat (limited to 'src/callback.c')
-rw-r--r-- | src/callback.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/src/callback.c b/src/callback.c index a629b6825..faf6d520c 100644 --- a/src/callback.c +++ b/src/callback.c @@ -295,6 +295,21 @@ static FuncDef *functionSearch( } return 0; } +#ifdef SQLITE_ENABLE_NORMALIZE +FuncDef *sqlite3FunctionSearchN( + int h, /* Hash of the name */ + const char *zFunc, /* Name of function */ + int nFunc /* Length of the name */ +){ + FuncDef *p; + for(p=sqlite3BuiltinFunctions.a[h]; p; p=p->u.pHash){ + if( sqlite3StrNICmp(p->zName, zFunc, nFunc)==0 ){ + return p; + } + } + return 0; +} +#endif /* SQLITE_ENABLE_NORMALIZE */ /* ** Insert a new FuncDef into a FuncDefHash hash table. @@ -308,7 +323,7 @@ void sqlite3InsertBuiltinFuncs( FuncDef *pOther; const char *zName = aDef[i].zName; int nName = sqlite3Strlen30(zName); - int h = (zName[0] + nName) % SQLITE_FUNC_HASH_SZ; + int h = SQLITE_FUNC_HASH(zName[0], nName); assert( zName[0]>='a' && zName[0]<='z' ); pOther = functionSearch(h, zName); if( pOther ){ @@ -387,7 +402,7 @@ FuncDef *sqlite3FindFunction( */ if( !createFlag && (pBest==0 || (db->mDbFlags & DBFLAG_PreferBuiltin)!=0) ){ bestScore = 0; - h = (sqlite3UpperToLower[(u8)zName[0]] + nName) % SQLITE_FUNC_HASH_SZ; + h = SQLITE_FUNC_HASH(sqlite3UpperToLower[(u8)zName[0]], nName); p = functionSearch(h, zName); while( p ){ int score = matchQuality(p, nArg, enc); |