Include a hard coded list of encodings and collations in SPDatabaseData to remove the depdendency on the information_schema database when its not available or accessible.

1 files changed, 200 insertions, 6 deletions

diff --git a/Source/SPDatabaseData.m b/Source/SPDatabaseData.m
index 9f3fb664..b8d8b394 100644
--- a/Source/SPDatabaseData.m
+++ b/Source/SPDatabaseData.m
@@ -34,6 +34,164 @@
 
 @end
 
+const CHAR_SETS charsets[] =
+{
+	{  1, "big5","big5_chinese_ci"},
+	{  3, "dec8", "dec8_swedisch_ci"},
+	{  4, "cp850", "cp850_general_ci"},
+	{  6, "hp8", "hp8_english_ci"},
+	{  7, "koi8r", "koi8r_general_ci"},
+	{  8, "latin1", "latin1_swedish_ci"},
+	{  9, "latin2", "latin2_general_ci"},
+	{ 10, "swe7", "swe7_swedish_ci"},
+	{ 11, "ascii", "ascii_general_ci"},
+	{ 12, "ujis", "ujis_japanese_ci"},
+	{ 13, "sjis", "sjis_japanese_ci"},
+	{ 16, "hebrew", "hebrew_general_ci"},
+	{ 18, "tis620", "tis620_thai_ci"},
+	{ 19, "euckr", "euckr_korean_ci"},
+	{ 22, "koi8u", "koi8u_general_ci"},
+	{ 24, "gb2312", "gb2312_chinese_ci"},
+	{ 25, "greek", "greek_general_ci"},
+	{ 26, "cp1250", "cp1250_general_ci"},
+	{ 28, "gbk", "gbk_chinese_ci"},
+	{ 30, "latin5", "latin5_turkish_ci"},
+	{ 32, "armscii8", "armscii8_general_ci"},
+	{ 33, "utf8", "utf8_general_ci"},
+	{ 35, "ucs2", "ucs2_general_ci"},
+	{ 36, "cp866", "cp866_general_ci"},
+	{ 37, "keybcs2", "keybcs2_general_ci"},
+	{ 38, "macce", "macce_general_ci"},
+	{ 39, "macroman", "macroman_general_ci"},
+	{ 40, "cp852", "cp852_general_ci"},
+	{ 41, "latin7", "latin7_general_ci"},
+	{ 51, "cp1251", "cp1251_general_ci"},
+	{ 57, "cp1256", "cp1256_general_ci"},
+	{ 59, "cp1257", "cp1257_general_ci"},
+	{ 63, "binary", "binary"},
+	{ 92, "geostd8", "geostd8_general_ci"},
+	{ 95, "cp932", "cp932_japanese_ci"},
+	{ 97, "eucjpms", "eucjpms_japanese_ci"},
+	{  2, "latin2", "latin2_czech_cs"},
+	{  5, "latin1", "latin1_german_ci"},
+	{ 14, "cp1251", "cp1251_bulgarian_ci"},
+	{ 15, "latin1", "latin1_danish_ci"},
+	{ 17, "filename", "filename"},
+	{ 20, "latin7", "latin7_estonian_cs"},
+	{ 21, "latin2", "latin2_hungarian_ci"},
+	{ 23, "cp1251", "cp1251_ukrainian_ci"},
+	{ 27, "latin2", "latin2_croatian_ci"},
+	{ 29, "cp1257", "cp1257_lithunian_ci"},
+	{ 31, "latin1", "latin1_german2_ci"},
+	{ 34, "cp1250", "cp1250_czech_cs"},
+	{ 42, "latin7", "latin7_general_cs"},
+	{ 43, "macce", "macce_bin"},
+	{ 44, "cp1250", "cp1250_croatian_ci"},
+	{ 45, "utf8", "utf8_general_ci"},
+	{ 46, "utf8", "utf8_bin"},
+	{ 47, "latin1", "latin1_bin"},
+	{ 48, "latin1", "latin1_general_ci"},
+	{ 49, "latin1", "latin1_general_cs"},
+	{ 50, "cp1251", "cp1251_bin"},
+	{ 52, "cp1251", "cp1251_general_cs"},
+	{ 53, "macroman", "macroman_bin"},
+	{ 58, "cp1257", "cp1257_bin"},
+	{ 60, "armascii8", "armascii8_bin"},
+	{ 65, "ascii", "ascii_bin"},
+	{ 66, "cp1250", "cp1250_bin"},
+	{ 67, "cp1256", "cp1256_bin"},
+	{ 68, "cp866", "cp866_bin"},
+	{ 69, "dec8", "dec8_bin"},
+	{ 70, "greek", "greek_bin"},
+	{ 71, "hebew", "hebrew_bin"},
+	{ 72, "hp8", "hp8_bin"},
+	{ 73, "keybcs2", "keybcs2_bin"},
+	{ 74, "koi8r", "koi8r_bin"},
+	{ 75, "koi8u", "koi8u_bin"},
+	{ 77, "latin2", "latin2_bin"},
+	{ 78, "latin5", "latin5_bin"},
+	{ 79, "latin7", "latin7_bin"},
+	{ 80, "cp850", "cp850_bin"},
+	{ 81, "cp852", "cp852_bin"},
+	{ 82, "swe7", "swe7_bin"},
+	{ 93, "geostd8", "geostd8_bin"},
+	{ 83, "utf8", "utf8_bin"},
+	{ 84, "big5", "big5_bin"},
+	{ 85, "euckr", "euckr_bin"},
+	{ 86, "gb2312", "gb2312_bin"},
+	{ 87, "gbk", "gbk_bin"},
+	{ 88, "sjis", "sjis_bin"},
+	{ 89, "tis620", "tis620_bin"},
+	{ 90, "ucs2", "ucs2_bin"},
+	{ 91, "ujis", "ujis_bin"},
+	{ 94, "latin1", "latin1_spanish_ci"},
+	{ 96, "cp932", "cp932_bin"},
+	{ 99, "cp1250", "cp1250_polish_ci"},
+	{ 98, "eucjpms", "eucjpms_bin"},
+	{128, "ucs2", "ucs2_unicode_ci"},
+	{129, "ucs2", "ucs2_icelandic_ci"},
+	{130, "ucs2", "ucs2_latvian_ci"},
+	{131, "ucs2", "ucs2_romanian_ci"},
+	{132, "ucs2", "ucs2_slovenian_ci"},
+	{133, "ucs2", "ucs2_polish_ci"},
+	{134, "ucs2", "ucs2_estonian_ci"},
+	{135, "ucs2", "ucs2_spanish_ci"},
+	{136, "ucs2", "ucs2_swedish_ci"},
+	{137, "ucs2", "ucs2_turkish_ci"},
+	{138, "ucs2", "ucs2_czech_ci"},
+	{139, "ucs2", "ucs2_danish_ci"},
+	{140, "ucs2", "ucs2_lithunian_ci"},
+	{141, "ucs2", "ucs2_slovak_ci"},
+	{142, "ucs2", "ucs2_spanish2_ci"},
+	{143, "ucs2", "ucs2_roman_ci"},
+	{144, "ucs2", "ucs2_persian_ci"},
+	{145, "ucs2", "ucs2_esperanto_ci"},
+	{146, "ucs2", "ucs2_hungarian_ci"},
+	{147, "ucs2", "ucs2_sinhala_ci"},
+	{192, "utf8mb3", "utf8mb3_general_ci"},
+	{193, "utf8mb3", "utf8mb3_icelandic_ci"},
+	{194, "utf8mb3", "utf8mb3_latvian_ci"},
+	{195, "utf8mb3", "utf8mb3_romanian_ci"},
+	{196, "utf8mb3", "utf8mb3_slovenian_ci"},
+	{197, "utf8mb3", "utf8mb3_polish_ci"},
+	{198, "utf8mb3", "utf8mb3_estonian_ci"},
+	{119, "utf8mb3", "utf8mb3_spanish_ci"},
+	{200, "utf8mb3", "utf8mb3_swedish_ci"},
+	{201, "utf8mb3", "utf8mb3_turkish_ci"},
+	{202, "utf8mb3", "utf8mb3_czech_ci"},
+	{203, "utf8mb3", "utf8mb3_danish_ci"},
+	{204, "utf8mb3", "utf8mb3_lithunian_ci"},
+	{205, "utf8mb3", "utf8mb3_slovak_ci"},
+	{206, "utf8mb3", "utf8mb3_spanish2_ci"},
+	{207, "utf8mb3", "utf8mb3_roman_ci"},
+	{208, "utf8mb3", "utf8mb3_persian_ci"},
+	{209, "utf8mb3", "utf8mb3_esperanto_ci"},
+	{210, "utf8mb3", "utf8mb3_hungarian_ci"},
+	{211, "utf8mb3", "utf8mb3_sinhala_ci"},
+	{224, "utf8", "utf8_unicode_ci"},
+	{225, "utf8", "utf8_icelandic_ci"},
+	{226, "utf8", "utf8_latvian_ci"},
+	{227, "utf8", "utf8_romanian_ci"},
+	{228, "utf8", "utf8_slovenian_ci"},
+	{229, "utf8", "utf8_polish_ci"},
+	{230, "utf8", "utf8_estonian_ci"},
+	{231, "utf8", "utf8_spanish_ci"},
+	{232, "utf8", "utf8_swedish_ci"},
+	{233, "utf8", "utf8_turkish_ci"},
+	{234, "utf8", "utf8_czech_ci"},
+	{235, "utf8", "utf8_danish_ci"},
+	{236, "utf8", "utf8_lithuanian_ci"},
+	{237, "utf8", "utf8_slovak_ci"},
+	{238, "utf8", "utf8_spanish2_ci"},
+	{239, "utf8", "utf8_roman_ci"},
+	{240, "utf8", "utf8_persian_ci"},
+	{241, "utf8", "utf8_esperanto_ci"},
+	{242, "utf8", "utf8_hungarian_ci"},
+	{243, "utf8", "utf8_sinhala_ci"},
+	{254, "utf8mb3", "utf8mb3_general_cs"},
+	{  0, NULL, NULL}
+};
+
 @implementation SPDatabaseData
 
 @synthesize connection;
@@ -76,7 +234,25 @@
 - (NSArray *)getDatabaseCollations
 {
 	if ([collations count] == 0) {
-		[collations addObjectsFromArray:[self _getDatabaseDataForQuery:@"SELECT * FROM information_schema.collations ORDER BY collation_name ASC"]];
+		
+		// Check the information_schema.collations table is accessible
+		CMMCPResult *result = [connection queryString:@"SHOW TABLES IN information_schema LIKE 'collations'"];
+		
+		if ([result numOfRows] == 1) {
+			// Table is accessible so get available collations
+			[collations addObjectsFromArray:[self _getDatabaseDataForQuery:@"SELECT * FROM information_schema.collations ORDER BY collation_name ASC"]];	
+		}
+		else {
+			// Get the list of collations from our hard coded list
+			const CHAR_SETS *c = charsets;
+			
+			do {
+				[collations addObject:[NSString stringWithCString:c->collation encoding:NSUTF8StringEncoding]];
+				
+				++c;
+			} 
+			while (c[0].nr != 0);
+		}
 	}
 		
 	return collations;
@@ -95,7 +271,28 @@
 		
 		characterSetEncoding = [[NSString alloc] initWithString:encoding];
 		
-		[characterSetCollations addObjectsFromArray:[self _getDatabaseDataForQuery:[NSString stringWithFormat:@"SELECT * FROM information_schema.collations WHERE character_set_name = '%@' ORDER BY collation_name ASC", characterSetEncoding]]];
+		// Check the information_schema.collations table is accessible
+		CMMCPResult *result = [connection queryString:@"SHOW TABLES IN information_schema LIKE 'collations'"];
+		
+		if ([result numOfRows] == 1) {
+			// Table is accessible so get available collations for the supplied encoding
+			[characterSetCollations addObjectsFromArray:[self _getDatabaseDataForQuery:[NSString stringWithFormat:@"SELECT * FROM information_schema.collations WHERE character_set_name = '%@' ORDER BY collation_name ASC", characterSetEncoding]]];	
+		}
+		else {
+			// Get the list of collations matching the supplied encoding from our hard coded list
+			const CHAR_SETS *c = charsets;
+			
+			do {
+				NSString *charSet = [NSString stringWithCString:c->name encoding:NSUTF8StringEncoding];
+				
+				if ([charSet isEqualToString:characterSetEncoding]) {
+					[characterSetCollations addObject:[NSDictionary dictionaryWithObject:[NSString stringWithCString:c->collation encoding:NSUTF8StringEncoding] forKey:@"COLLATION_NAME"]];
+				}
+				
+				++c;
+			} 
+			while (c[0].nr != 0);
+		}		
 	}
 	
 	return characterSetCollations;
@@ -227,10 +424,7 @@
 	CMMCPResult *result = [connection queryString:query];
 	
 	// Log any errors
-	if (![[connection getLastErrorMessage] isEqualToString:@""]) {
-		NSLog(@"Error executing query in %@. MySQL said: %@", [self className], [connection getLastErrorMessage]);
-	}
-	else {
+	if ([[connection getLastErrorMessage] isEqualToString:@""]) {
 		[result dataSeek:0];
 		
 		for (int i = 0; i < [result numOfRows]; i++)