21767 static int getDigits(const char *zDate, const char *zFormat, ...){  in getDigits()  argument
21786       if( !sqlite3Isdigit(*zDate) ){  in getDigits()
21789       val = val*10 + *zDate - '0';  in getDigits()
21790       zDate++;  in getDigits()
21792     if( val<(int)min || val>(int)max || (nextC!=0 && nextC!=*zDate) ){  in getDigits()
21796     zDate++;  in getDigits()
21821 static int parseTimezone(const char *zDate, DateTime *p){  in parseTimezone()  argument
21825   while( sqlite3Isspace(*zDate) ){ zDate++; }  in parseTimezone()
21827   c = *zDate;  in parseTimezone()
21833     zDate++;  in parseTimezone()
21838   zDate++;  in parseTimezone()
21839   if( getDigits(zDate, "20b:20e", &nHr, &nMn)!=2 ){  in parseTimezone()
21842   zDate += 5;  in parseTimezone()
21845   while( sqlite3Isspace(*zDate) ){ zDate++; }  in parseTimezone()
21847   return *zDate!=0;  in parseTimezone()
21857 static int parseHhMmSs(const char *zDate, DateTime *p){  in parseHhMmSs()  argument
21860   if( getDigits(zDate, "20c:20e", &h, &m)!=2 ){  in parseHhMmSs()
21863   zDate += 5;  in parseHhMmSs()
21864   if( *zDate==':' ){  in parseHhMmSs()
21865     zDate++;  in parseHhMmSs()
21866     if( getDigits(zDate, "20e", &s)!=1 ){  in parseHhMmSs()
21869     zDate += 2;  in parseHhMmSs()
21870     if( *zDate=='.' && sqlite3Isdigit(zDate[1]) ){  in parseHhMmSs()
21872       zDate++;  in parseHhMmSs()
21873       while( sqlite3Isdigit(*zDate) ){  in parseHhMmSs()
21874         ms = ms*10.0 + *zDate - '0';  in parseHhMmSs()
21876         zDate++;  in parseHhMmSs()
21889   if( parseTimezone(zDate, p) ) return 1;  in parseHhMmSs()
21958 static int parseYyyyMmDd(const char *zDate, DateTime *p){  in parseYyyyMmDd()  argument
21961   if( zDate[0]=='-' ){  in parseYyyyMmDd()
21962     zDate++;  in parseYyyyMmDd()
21967   if( getDigits(zDate, "40f-21a-21d", &Y, &M, &D)!=3 ){  in parseYyyyMmDd()
21970   zDate += 10;  in parseYyyyMmDd()
21971   while( sqlite3Isspace(*zDate) || 'T'==*(u8*)zDate ){ zDate++; }  in parseYyyyMmDd()
21972   if( parseHhMmSs(zDate, p)==0 ){  in parseYyyyMmDd()
21974   }else if( *zDate==0 ){  in parseYyyyMmDd()
22038   const char *zDate,   in parseDateOrTime()  argument
22042   if( parseYyyyMmDd(zDate,p)==0 ){  in parseDateOrTime()
22044   }else if( parseHhMmSs(zDate, p)==0 ){  in parseDateOrTime()
22046   }else if( sqlite3StrICmp(zDate,"now")==0 && sqlite3NotPureFunc(context) ){  in parseDateOrTime()
22048   }else if( sqlite3AtoF(zDate, &r, sqlite3Strlen30(zDate), SQLITE_UTF8)>0 ){  in parseDateOrTime()