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Merge all the latest changes from trunk.

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FossilOrigin-Name: c27cd8a8127b81d3176f6a5b9915c9b3c69574fb
This commit is contained in:
drh
2017-01-03 14:30:28 +00:00
parent a1a523a5bb 2710b14c45
commit 01e64a1704
35 changed files with 1267 additions and 309 deletions
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src/func.c
+22 -19
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@@ -200,25 +200,28 @@ static void instrFunc(
if( typeHaystack==SQLITE_NULL || typeNeedle==SQLITE_NULL ) return;
nHaystack = sqlite3_value_bytes(argv[0]);
nNeedle = sqlite3_value_bytes(argv[1]);
if( typeHaystack==SQLITE_BLOB && typeNeedle==SQLITE_BLOB ){
zHaystack = sqlite3_value_blob(argv[0]);
zNeedle = sqlite3_value_blob(argv[1]);
isText = 0;
}else{
zHaystack = sqlite3_value_text(argv[0]);
zNeedle = sqlite3_value_text(argv[1]);
isText = 1;
if( zNeedle==0 ) return;
assert( zHaystack );
if( nNeedle>0 ){
if( typeHaystack==SQLITE_BLOB && typeNeedle==SQLITE_BLOB ){
zHaystack = sqlite3_value_blob(argv[0]);
zNeedle = sqlite3_value_blob(argv[1]);
assert( zNeedle!=0 );
assert( zHaystack!=0 || nHaystack==0 );
isText = 0;
}else{
zHaystack = sqlite3_value_text(argv[0]);
zNeedle = sqlite3_value_text(argv[1]);
isText = 1;
if( zHaystack==0 || zNeedle==0 ) return;
}
while( nNeedle<=nHaystack && memcmp(zHaystack, zNeedle, nNeedle)!=0 ){
N++;
do{
nHaystack--;
zHaystack++;
}while( isText && (zHaystack[0]&0xc0)==0x80 );
}
if( nNeedle>nHaystack ) N = 0;
}
while( nNeedle<=nHaystack && memcmp(zHaystack, zNeedle, nNeedle)!=0 ){
N++;
do{
nHaystack--;
zHaystack++;
}while( isText && (zHaystack[0]&0xc0)==0x80 );
}
if( nNeedle>nHaystack ) N = 0;
sqlite3_result_int(context, N);
}
@@ -1631,7 +1634,7 @@ static void groupConcatStep(
zSep = ",";
nSep = 1;
}
if( nSep ) sqlite3StrAccumAppend(pAccum, zSep, nSep);
if( zSep ) sqlite3StrAccumAppend(pAccum, zSep, nSep);
}
zVal = (char*)sqlite3_value_text(argv[0]);
nVal = sqlite3_value_bytes(argv[0]);