//
//  $Id$
//
//  CMMCPResult.m
//  sequel-pro
//
//  Created by lorenz textor (lorenz@textor.ch) on Wed Sept 21 2005.
//  Copyright (c) 2002-2003 Lorenz Textor. All rights reserved.
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//  More info at <http://code.google.com/p/sequel-pro/>

#import "CMMCPResult.h"
#import "SPArrayAdditions.h"

@implementation CMMCPResult


const OUR_CHARSET our_charsets60[] =
{
	{   1, "big5","big5_chinese_ci", 1, 2},
	{   3, "dec8", "dec8_swedisch_ci", 1, 1},
	{   4, "cp850", "cp850_general_ci", 1, 1},
	{   6, "hp8", "hp8_english_ci", 1, 1},
	{   7, "koi8r", "koi8r_general_ci", 1, 1},
	{   8, "latin1", "latin1_swedish_ci", 1, 1},
	{   9, "latin2", "latin2_general_ci", 1, 1},
	{  10, "swe7", "swe7_swedish_ci", 1, 1},
	{  11, "ascii", "ascii_general_ci", 1, 1},
	{  12, "ujis", "ujis_japanese_ci", 1, 3},
	{  13, "sjis", "sjis_japanese_ci", 1, 2},
	{  16, "hebrew", "hebrew_general_ci", 1, 1},
	{  18, "tis620", "tis620_thai_ci", 1, 1},
	{  19, "euckr", "euckr_korean_ci", 1, 2},
	{  22, "koi8u", "koi8u_general_ci", 1, 1},
	{  24, "gb2312", "gb2312_chinese_ci", 1, 2},
	{  25, "greek", "greek_general_ci", 1, 1},
	{  26, "cp1250", "cp1250_general_ci", 1, 1},
	{  28, "gbk", "gbk_chinese_ci", 1, 2},
	{  30, "latin5", "latin5_turkish_ci", 1, 1},
	{  32, "armscii8", "armscii8_general_ci", 1, 1},
	{  33, "utf8", "utf8_general_ci", 1, 3},
	{  35, "ucs2", "ucs2_general_ci", 2, 2},
	{  36, "cp866", "cp866_general_ci", 1, 1},
	{  37, "keybcs2", "keybcs2_general_ci", 1, 1},
	{  38, "macce", "macce_general_ci", 1, 1},
	{  39, "macroman", "macroman_general_ci", 1, 1},
	{  40, "cp852", "cp852_general_ci", 1, 1},
	{  41, "latin7", "latin7_general_ci", 1, 1},
	{  51, "cp1251", "cp1251_general_ci", 1, 1},
	{  57, "cp1256", "cp1256_general_ci", 1, 1},
	{  59, "cp1257", "cp1257_general_ci", 1, 1},
	{  63, "binary", "binary", 1, 1},
	{  92, "geostd8", "geostd8_general_ci", 1, 1},
	{  95, "cp932", "cp932_japanese_ci", 1, 2},
	{  97, "eucjpms", "eucjpms_japanese_ci", 1, 3},
	{   2, "latin2", "latin2_czech_cs", 1, 1},
	{   5, "latin1", "latin1_german_ci", 1, 1},
	{  14, "cp1251", "cp1251_bulgarian_ci", 1, 1},
	{  15, "latin1", "latin1_danish_ci", 1, 1},
	{  17, "filename", "filename", 1, 5},
	{  20, "latin7", "latin7_estonian_cs", 1, 1},
	{  21, "latin2", "latin2_hungarian_ci", 1, 1},
	{  23, "cp1251", "cp1251_ukrainian_ci", 1, 1},
	{  27, "latin2", "latin2_croatian_ci", 1, 1},
	{  29, "cp1257", "cp1257_lithunian_ci", 1, 1},
	{  31, "latin1", "latin1_german2_ci", 1, 1},
	{  34, "cp1250", "cp1250_czech_cs", 1, 1},
	{  42, "latin7", "latin7_general_cs", 1, 1},
	{  43, "macce", "macce_bin", 1, 1},
	{  44, "cp1250", "cp1250_croatian_ci", 1, 1},
	{  45, "utf8", "utf8_general_ci", 1, 1},
	{  46, "utf8", "utf8_bin", 1, 1},
	{  47, "latin1", "latin1_bin", 1, 1},
	{  48, "latin1", "latin1_general_ci", 1, 1},
	{  49, "latin1", "latin1_general_cs", 1, 1},
	{  50, "cp1251", "cp1251_bin", 1, 1},
	{  52, "cp1251", "cp1251_general_cs", 1, 1},
	{  53, "macroman", "macroman_bin", 1, 1},
	{  58, "cp1257", "cp1257_bin", 1, 1},
	{  60, "armascii8", "armascii8_bin", 1, 1},
	{  65, "ascii", "ascii_bin", 1, 1},
	{  66, "cp1250", "cp1250_bin", 1, 1},
	{  67, "cp1256", "cp1256_bin", 1, 1},
	{  68, "cp866", "cp866_bin", 1, 1},
	{  69, "dec8", "dec8_bin", 1, 1},
	{  70, "greek", "greek_bin", 1, 1},
	{  71, "hebew", "hebrew_bin", 1, 1},
	{  72, "hp8", "hp8_bin", 1, 1},
	{  73, "keybcs2", "keybcs2_bin", 1, 1},
	{  74, "koi8r", "koi8r_bin", 1, 1},
	{  75, "koi8u", "koi8u_bin", 1, 1},
	{  77, "latin2", "latin2_bin", 1, 1},
	{  78, "latin5", "latin5_bin", 1, 1},
	{  79, "latin7", "latin7_bin", 1, 1},
	{  80, "cp850", "cp850_bin", 1, 1},
	{  81, "cp852", "cp852_bin", 1, 1},
	{  82, "swe7", "swe7_bin", 1, 1},
	{  93, "geostd8", "geostd8_bin", 1, 1},
	{  83, "utf8", "utf8_bin", 1, 3},
	{  84, "big5", "big5_bin", 1, 2},
	{  85, "euckr", "euckr_bin", 1, 2},
	{  86, "gb2312", "gb2312_bin", 1, 2},
	{  87, "gbk", "gbk_bin", 1, 2},
	{  88, "sjis", "sjis_bin", 1, 2},
	{  89, "tis620", "tis620_bin", 1, 1},
	{  90, "ucs2", "ucs2_bin", 2, 2},
	{  91, "ujis", "ujis_bin", 1, 3},
	{  94, "latin1", "latin1_spanish_ci", 1, 1},
	{  96, "cp932", "cp932_bin", 1, 2},
	{  99, "cp1250", "cp1250_polish_ci", 1, 1},
	{  98, "eucjpms", "eucjpms_bin", 1, 3},
	{ 128, "ucs2", "ucs2_unicode_ci", 2, 2},
	{ 129, "ucs2", "ucs2_icelandic_ci", 2, 2},
	{ 130, "ucs2", "ucs2_latvian_ci", 2, 2},
	{ 131, "ucs2", "ucs2_romanian_ci", 2, 2},
	{ 132, "ucs2", "ucs2_slovenian_ci", 2, 2},
	{ 133, "ucs2", "ucs2_polish_ci", 2, 2},
	{ 134, "ucs2", "ucs2_estonian_ci", 2, 2},
	{ 135, "ucs2", "ucs2_spanish_ci", 2, 2},
	{ 136, "ucs2", "ucs2_swedish_ci", 2, 2},
	{ 137, "ucs2", "ucs2_turkish_ci", 2, 2},
	{ 138, "ucs2", "ucs2_czech_ci", 2, 2},
	{ 139, "ucs2", "ucs2_danish_ci", 2, 2},
	{ 140, "ucs2", "ucs2_lithunian_ci", 2, 2},
	{ 141, "ucs2", "ucs2_slovak_ci", 2, 2},
	{ 142, "ucs2", "ucs2_spanish2_ci", 2, 2},
	{ 143, "ucs2", "ucs2_roman_ci", 2, 2},
	{ 144, "ucs2", "ucs2_persian_ci", 2, 2},
	{ 145, "ucs2", "ucs2_esperanto_ci", 2, 2},
	{ 146, "ucs2", "ucs2_hungarian_ci", 2, 2},
	{ 147, "ucs2", "ucs2_sinhala_ci", 2, 2},
	{ 192, "utf8mb3", "utf8mb3_general_ci", 1, 3},
	{ 193, "utf8mb3", "utf8mb3_icelandic_ci", 1, 3},
	{ 194, "utf8mb3", "utf8mb3_latvian_ci", 1, 3},
	{ 195, "utf8mb3", "utf8mb3_romanian_ci", 1, 3},
	{ 196, "utf8mb3", "utf8mb3_slovenian_ci", 1, 3},
	{ 197, "utf8mb3", "utf8mb3_polish_ci", 1, 3},
	{ 198, "utf8mb3", "utf8mb3_estonian_ci", 1, 3},
	{ 119, "utf8mb3", "utf8mb3_spanish_ci", 1, 3},
	{ 200, "utf8mb3", "utf8mb3_swedish_ci", 1, 3},
	{ 201, "utf8mb3", "utf8mb3_turkish_ci", 1, 3},
	{ 202, "utf8mb3", "utf8mb3_czech_ci", 1, 3},
	{ 203, "utf8mb3", "utf8mb3_danish_ci", 1, 3},
	{ 204, "utf8mb3", "utf8mb3_lithunian_ci", 1, 3},
	{ 205, "utf8mb3", "utf8mb3_slovak_ci", 1, 3},
	{ 206, "utf8mb3", "utf8mb3_spanish2_ci", 1, 3},
	{ 207, "utf8mb3", "utf8mb3_roman_ci", 1, 3},
	{ 208, "utf8mb3", "utf8mb3_persian_ci", 1, 3},
	{ 209, "utf8mb3", "utf8mb3_esperanto_ci", 1, 3},
	{ 210, "utf8mb3", "utf8mb3_hungarian_ci", 1, 3},
	{ 211, "utf8mb3", "utf8mb3_sinhala_ci", 1, 3},
	{ 224, "utf8", "utf8_unicode_ci", 1, 3},
	{ 225, "utf8", "utf8_icelandic_ci", 1, 3},
	{ 226, "utf8", "utf8_latvian_ci", 1, 3},
	{ 227, "utf8", "utf8_romanian_ci", 1, 3},
	{ 228, "utf8", "utf8_slovenian_ci", 1, 3},
	{ 229, "utf8", "utf8_polish_ci", 1, 3},
	{ 230, "utf8", "utf8_estonian_ci", 1, 3},
	{ 231, "utf8", "utf8_spanish_ci", 1, 3},
	{ 232, "utf8", "utf8_swedish_ci", 1, 3},
	{ 233, "utf8", "utf8_turkish_ci", 1, 3},
	{ 234, "utf8", "utf8_czech_ci", 1, 3},
	{ 235, "utf8", "utf8_danish_ci", 1, 3},
	{ 236, "utf8", "utf8_lithuanian_ci", 1, 3},
	{ 237, "utf8", "utf8_slovak_ci", 1, 3},
	{ 238, "utf8", "utf8_spanish2_ci", 1, 3},
	{ 239, "utf8", "utf8_roman_ci", 1, 3},
	{ 240, "utf8", "utf8_persian_ci", 1, 3},
	{ 241, "utf8", "utf8_esperanto_ci", 1, 3},
	{ 242, "utf8", "utf8_hungarian_ci", 1, 3},
	{ 243, "utf8", "utf8_sinhala_ci", 1, 3},
	{ 254, "utf8mb3", "utf8mb3_general_cs", 1, 3},
	{   0, NULL, NULL, 0, 0}
};


/*
modified version for use with sequel-pro
*/
- (id)fetchRowAsType:(MCPReturnType)aType
{
	MYSQL_ROW		theRow;
	unsigned long	*theLengths;
	MYSQL_FIELD		*theField;
	int				i;
	id				theReturn;

	if (mResult == NULL) {
		// If there is no results, returns nil, as after the last row...
		return nil;
	}

	theRow = mysql_fetch_row(mResult);
	if (theRow == NULL) {
		return nil;
	}

	switch (aType) {
		case MCPTypeArray:
		theReturn = [NSMutableArray arrayWithCapacity:mNumOfFields];
		break;
		case MCPTypeDictionary:
		if (mNames == nil) {
			[self fetchFieldNames];
		}
		theReturn = [NSMutableDictionary dictionaryWithCapacity:mNumOfFields];
		break;
		default :
		NSLog (@"Unknown type : %d, will return an Array!\n", aType);
		theReturn = [NSMutableArray arrayWithCapacity:mNumOfFields];
		break;
	}

	theLengths = mysql_fetch_lengths(mResult);
	theField = mysql_fetch_fields(mResult);

	for (i=0; i<mNumOfFields; i++) {
		id	theCurrentObj;

		if (theRow[i] == NULL) {
			theCurrentObj = [NSNull null];
		} else {
			char *theData = calloc(sizeof(char),theLengths[i]+1);
			//char *theUselLess;
			memcpy(theData, theRow[i],theLengths[i]);
			theData[theLengths[i]] = '\0';

			switch (theField[i].type) {
				case FIELD_TYPE_TINY:
				case FIELD_TYPE_SHORT:
				case FIELD_TYPE_INT24:
				case FIELD_TYPE_LONG:
				case FIELD_TYPE_LONGLONG:
				case FIELD_TYPE_DECIMAL:
				case FIELD_TYPE_FLOAT:
				case FIELD_TYPE_DOUBLE:
				case FIELD_TYPE_NEW_DECIMAL:
				case FIELD_TYPE_TIMESTAMP:
				case FIELD_TYPE_DATE:
				case FIELD_TYPE_TIME:
				case FIELD_TYPE_DATETIME:
				case FIELD_TYPE_YEAR:
				case FIELD_TYPE_VAR_STRING:
				case FIELD_TYPE_STRING:
				case FIELD_TYPE_SET:
				case FIELD_TYPE_ENUM:
				case FIELD_TYPE_NEWDATE: // Don't know what the format for this type is...
					theCurrentObj = [self stringWithCString:theData];
					break;

				case FIELD_TYPE_BIT:
					theCurrentObj = [NSString stringWithFormat:@"%u", theData[0]];
					break;

				case FIELD_TYPE_TINY_BLOB:
				case FIELD_TYPE_BLOB:
				case FIELD_TYPE_MEDIUM_BLOB:
				case FIELD_TYPE_LONG_BLOB:
					theCurrentObj = [NSData dataWithBytes:theData length:theLengths[i]];
					if (!(theField[i].flags & BINARY_FLAG)) { // It is TEXT and NOT BLOB...
						theCurrentObj = [self stringWithText:theCurrentObj];
					} // #warning Should check for TEXT (using theField[i].flag BINARY_FLAG)
					break;

				case FIELD_TYPE_NULL:
					theCurrentObj = [NSNull null];
					break;

				default:
					NSLog (@"in fetchRowAsType : Unknown type : %d for column %d, send back a NSData object", (int)theField[i].type, (int)i);
					theCurrentObj = [NSData dataWithBytes:theData length:theLengths[i]];
					break;
			}

			free(theData);

			// Some of the creators return nil object...
			if (theCurrentObj == nil) {
				theCurrentObj = [NSNull null];
			}
		}

		switch (aType) {
			case MCPTypeDictionary :
				[theReturn setObject:theCurrentObj forKey:NSArrayObjectAtIndex(mNames, i)];
				break;

			case MCPTypeArray :
			default :
				[theReturn addObject:theCurrentObj];
				break;
		}
	}

	return theReturn;
}

/*
 * Return an array of dicts containg column data of the last executed query
 */
- (NSArray *)fetchResultFieldsStructure
{
	MYSQL_FIELD *theField;

	NSMutableArray *structureResult = [NSMutableArray array];

	unsigned int i;
	unsigned int numFields = mysql_num_fields(mResult);

	if (mResult == NULL) return nil;

	theField = mysql_fetch_fields(mResult);
	
	for (i=0; i < numFields; i++)
	{
		NSMutableDictionary *fieldStructure = [NSMutableDictionary dictionaryWithCapacity:38];

		/* Name of column */
		[fieldStructure setObject:[self stringWithCString:theField[i].name] forKey:@"name"];
		// [fieldStructure setObject:[NSNumber numberWithUnsignedInt:theField[i].name_length] forKey:@"name_length"];

		/* Original column name, if an alias */ 
		[fieldStructure setObject:[self stringWithCString:theField[i].org_name] forKey:@"org_name"];
		// [fieldStructure setObject:[NSNumber numberWithUnsignedInt:theField[i].org_name_length] forKey:@"org_name_length"];

		/* Table of column if column was a field */
		[fieldStructure setObject:[self stringWithCString:theField[i].table] forKey:@"table"];
		// [fieldStructure setObject:[NSNumber numberWithUnsignedInt:theField[i].table_length] forKey:@"table_length"];

		/* Org table name, if table was an alias */
		[fieldStructure setObject:[self stringWithCString:theField[i].org_table] forKey:@"org_table"];
		// [fieldStructure setObject:[NSNumber numberWithUnsignedInt:theField[i].org_table_length] forKey:@"org_table_length"];

		/* Database for table */
		[fieldStructure setObject:[self stringWithCString:theField[i].db] forKey:@"db"];
		// [fieldStructure setObject:[NSNumber numberWithUnsignedInt:theField[i].db_length] forKey:@"db_length"];

		/* Catalog for table */
		// [fieldStructure setObject:[self stringWithCString:theField[i].catalog] forKey:@"catalog"];
		// [fieldStructure setObject:[NSNumber numberWithUnsignedInt:theField[i].catalog_length] forKey:@"catalog_length"];

		/* Default value (set by mysql_list_fields) */
		// [fieldStructure setObject:[self stringWithCString:theField[i].def] forKey:@"def"];
		// [fieldStructure setObject:[NSNumber numberWithUnsignedInt:theField[i].def_length] forKey:@"def_length"];

		/* Width of column (real length in bytes) */
		[fieldStructure setObject:[NSNumber numberWithUnsignedLongLong:theField[i].length] forKey:@"byte_length"];
		/* Width of column (as in create)*/
		[fieldStructure setObject:[NSNumber numberWithUnsignedLongLong:theField[i].length/[self find_charsetMaxByteLengthPerChar:theField[i].charsetnr]] 
				forKey:@"char_length"];
		/* Max width (bytes) for selected set */
		[fieldStructure setObject:[NSNumber numberWithUnsignedLongLong:theField[i].max_length] forKey:@"max_byte_length"];
		/* Max width (chars) for selected set */
		// [fieldStructure setObject:[NSNumber numberWithUnsignedLongLong:theField[i].max_length/[self find_charsetMaxByteLengthPerChar:theField[i].charsetnr]] 
		// 		forKey:@"max_char_length"];

		/* Div flags */
		[fieldStructure setObject:[NSNumber numberWithUnsignedInt:theField[i].flags] forKey:@"flags"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & NOT_NULL_FLAG) ? YES : NO] forKey:@"null"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & PRI_KEY_FLAG) ? YES : NO] forKey:@"PRI_KEY_FLAG"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & UNIQUE_KEY_FLAG) ? YES : NO] forKey:@"UNIQUE_KEY_FLAG"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & MULTIPLE_KEY_FLAG) ? YES : NO] forKey:@"MULTIPLE_KEY_FLAG"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & BLOB_FLAG) ? YES : NO] forKey:@"BLOB_FLAG"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & UNSIGNED_FLAG) ? YES : NO] forKey:@"UNSIGNED_FLAG"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & ZEROFILL_FLAG) ? YES : NO] forKey:@"ZEROFILL_FLAG"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & BINARY_FLAG) ? YES : NO] forKey:@"BINARY_FLAG"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & ENUM_FLAG) ? YES : NO] forKey:@"ENUM_FLAG"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & AUTO_INCREMENT_FLAG) ? YES : NO] forKey:@"AUTO_INCREMENT_FLAG"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & SET_FLAG) ? YES : NO] forKey:@"SET_FLAG"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & NUM_FLAG) ? YES : NO] forKey:@"NUM_FLAG"];
		[fieldStructure setObject:[NSNumber numberWithBool:(theField[i].flags & PART_KEY_FLAG) ? YES : NO] forKey:@"PART_KEY_FLAG"];
		// [fieldStructure setObject:[NSNumber numberWithInt:(theField[i].flags & GROUP_FLAG) ? 1 : 0] forKey:@"GROUP_FLAG"];
		// [fieldStructure setObject:[NSNumber numberWithInt:(theField[i].flags & UNIQUE_FLAG) ? 1 : 0] forKey:@"UNIQUE_FLAG"];
		// [fieldStructure setObject:[NSNumber numberWithInt:(theField[i].flags & BINCMP_FLAG) ? 1 : 0] forKey:@"BINCMP_FLAG"];

		/* Number of decimals in field */
		[fieldStructure setObject:[NSNumber numberWithUnsignedInt:theField[i].decimals] forKey:@"decimals"];

		/* Character set */
		[fieldStructure setObject:[NSNumber numberWithUnsignedInt:theField[i].charsetnr] forKey:@"charsetnr"];
		[fieldStructure setObject:[self find_charsetName:theField[i].charsetnr] forKey:@"charset_name"];
		[fieldStructure setObject:[self find_charsetCollation:theField[i].charsetnr] forKey:@"charset_collation"];

		/* Table type */
		[fieldStructure setObject:[self mysqlTypeToStringForType:theField[i].type 
													withCharsetNr:theField[i].charsetnr 
													withFlags:theField[i].flags
													withLength:theField[i].length 
													] forKey:@"type"];

		/* Table type group*/
		[fieldStructure setObject:[self mysqlTypeToGroupForType:theField[i].type 
													withCharsetNr:theField[i].charsetnr 
													withFlags:theField[i].flags
													] forKey:@"typegrouping"];

		[structureResult addObject:fieldStructure];

	}

	return structureResult;

}

/*
 * Convert a mysql_type to a string
 */
- (NSString *)mysqlTypeToStringForType:(unsigned int)type withCharsetNr:(unsigned int)charsetnr withFlags:(unsigned int)flags withLength:(unsigned long long)length
{
	// BOOL isUnsigned = (flags & UNSIGNED_FLAG) != 0;
	// BOOL isZerofill = (flags & ZEROFILL_FLAG) != 0;
	
	switch (type) {
		case FIELD_TYPE_BIT:
			return @"BIT";
		case MYSQL_TYPE_DECIMAL:
		case FIELD_TYPE_NEW_DECIMAL:
			//return isUnsigned ? (isZerofill? @"DECIMAL UNSIGNED ZEROFILL" : @"DECIMAL UNSIGNED"): 
			return @"DECIMAL";
		case MYSQL_TYPE_TINY:
			// return isUnsigned ? (isZerofill? @"TINYINT UNSIGNED ZEROFILL" : @"TINYINT UNSIGNED"): 
			return @"TINYINT";
		case MYSQL_TYPE_SHORT:
			// return isUnsigned ? (isZerofill? @"SMALLINT UNSIGNED ZEROFILL" : @"SMALLINT UNSIGNED"): 
			return @"SMALLINT";
		case MYSQL_TYPE_LONG:
			// return isUnsigned ? (isZerofill? @"INT UNSIGNED ZEROFILL" : @"INT UNSIGNED"): 
			return @"INT";
		case MYSQL_TYPE_FLOAT:
			// return isUnsigned ? (isZerofill? @"FLOAT UNSIGNED ZEROFILL" : @"FLOAT UNSIGNED"): 
			return @"FLOAT";
		case MYSQL_TYPE_DOUBLE:
			// return isUnsigned ? (isZerofill? @"DOUBLE UNSIGNED ZEROFILL" : @"DOUBLE UNSIGNED"): 
			return @"DOUBLE";
		case MYSQL_TYPE_NULL:
			return @"NULL";
		case MYSQL_TYPE_TIMESTAMP:
			return @"TIMESTAMP";
		case MYSQL_TYPE_LONGLONG:
			// return isUnsigned ? (isZerofill? @"BIGINT UNSIGNED ZEROFILL" : @"BIGINT UNSIGNED") : 
			return @"BIGINT";
		case MYSQL_TYPE_INT24:
			// return isUnsigned ? (isZerofill? @"MEDIUMINT UNSIGNED ZEROFILL" : @"MEDIUMINT UNSIGNED") : 
			return @"MEDIUMINT";
		case MYSQL_TYPE_DATE:
			return @"DATE";
		case MYSQL_TYPE_TIME:
			return @"TIME";
		case MYSQL_TYPE_DATETIME:
			return @"DATETIME";
		case MYSQL_TYPE_TINY_BLOB:// should no appear over the wire
		case MYSQL_TYPE_MEDIUM_BLOB:// should no appear over the wire
		case MYSQL_TYPE_LONG_BLOB:// should no appear over the wire
		case MYSQL_TYPE_BLOB:
		{
			BOOL isBlob = (charsetnr == MAGIC_BINARY_CHARSET_NR);
			switch ((int)length/[self find_charsetMaxByteLengthPerChar:charsetnr]) {
				case 255: return isBlob? @"TINYBLOB":@"TINYTEXT";
				case 65535: return isBlob? @"BLOB":@"TEXT";
				case 16777215: return isBlob? @"MEDIUMBLOB":@"MEDIUMTEXT";
				case 4294967295: return isBlob? @"LONGBLOB":@"LONGTEXT";
				default:
				switch (length) {
					case 255: return isBlob? @"TINYBLOB":@"TINYTEXT";
					case 65535: return isBlob? @"BLOB":@"TEXT";
					case 16777215: return isBlob? @"MEDIUMBLOB":@"MEDIUMTEXT";
					case 4294967295: return isBlob? @"LONGBLOB":@"LONGTEXT";
					default:
						return @"UNKNOWN";
				}
			}
		}
		case MYSQL_TYPE_VAR_STRING:
			if (flags & ENUM_FLAG) {
				return @"ENUM";
			}
			if (flags & SET_FLAG) {
				return @"SET";
			}
			if (charsetnr == MAGIC_BINARY_CHARSET_NR) {
				return @"VARBINARY";
			}
			return @"VARCHAR";
		case MYSQL_TYPE_STRING:
			if (flags & ENUM_FLAG) {
				return @"ENUM";
			}
			if (flags & SET_FLAG) {
				return @"SET";
			}
			if ((flags & BINARY_FLAG) && charsetnr == MAGIC_BINARY_CHARSET_NR) {
				return @"BINARY";
			}
			return @"CHAR";
		case MYSQL_TYPE_ENUM:
			/* This should never happen */
			return @"ENUM";
		case MYSQL_TYPE_YEAR:
			return @"YEAR";
		case MYSQL_TYPE_SET:
			/* This should never happen */
			return @"SET";
		case MYSQL_TYPE_GEOMETRY:
			return @"GEOMETRY";
		default:
			return @"UNKNOWN";
	}
}

/*
 * Merge mysql_types into type groups
 */
- (NSString *)mysqlTypeToGroupForType:(unsigned int)type withCharsetNr:(unsigned int)charsetnr withFlags:(unsigned int)flags
{
	switch(type){
		case FIELD_TYPE_BIT:
			return @"bit";
		case MYSQL_TYPE_TINY:
		case MYSQL_TYPE_SHORT:
		case MYSQL_TYPE_LONG:
		case MYSQL_TYPE_LONGLONG:
		case MYSQL_TYPE_INT24:
			return @"integer";
		case MYSQL_TYPE_FLOAT:
		case MYSQL_TYPE_DOUBLE:
		case MYSQL_TYPE_DECIMAL:
		case FIELD_TYPE_NEW_DECIMAL:
			return @"float";
		case MYSQL_TYPE_YEAR:
		case MYSQL_TYPE_DATETIME:
		case MYSQL_TYPE_TIME:
		case MYSQL_TYPE_DATE:
		case MYSQL_TYPE_TIMESTAMP:
			return @"date";
		case MYSQL_TYPE_VAR_STRING:
			if (flags & ENUM_FLAG) {
				return @"enum";
			}
			if (flags & SET_FLAG) {
				return @"enum";
			}
			if (charsetnr == MAGIC_BINARY_CHARSET_NR) {
				return @"binary";
			}
			return @"string";
		case MYSQL_TYPE_STRING:
			if (flags & ENUM_FLAG) {
				return @"enum";
			}
			if (flags & SET_FLAG) {
				return @"enum";
			}
			if ((flags & BINARY_FLAG) && charsetnr == MAGIC_BINARY_CHARSET_NR) {
				return @"binary";
			}
			return @"string";
		case MYSQL_TYPE_TINY_BLOB:// should no appear over the wire
		case MYSQL_TYPE_MEDIUM_BLOB:// should no appear over the wire
		case MYSQL_TYPE_LONG_BLOB:// should no appear over the wire
		case MYSQL_TYPE_BLOB:
		{
			if (charsetnr == MAGIC_BINARY_CHARSET_NR) {
				return @"blobdata";
			} else {
				return @"textdata";
			}
		}
		case MYSQL_TYPE_GEOMETRY:
			return @"geometry";
		default:
			return @"blobdata";
		
	}
}

/*
 * Convert a mysql_charsetnr into a charset name as string
 */
- (NSString *)find_charsetName:(unsigned int)charsetnr
{
	const OUR_CHARSET * c = our_charsets60;

	do {
		if (c->nr == charsetnr)
			return [self stringWithCString:c->name];
		++c;
	} while (c[0].nr != 0);
	return @"UNKNOWN";
}

/*
 * Convert a mysql_charsetnr into a collation name as string
 */
- (NSString *)find_charsetCollation:(unsigned int)charsetnr
{
	const OUR_CHARSET * c = our_charsets60;

	do {
		if (c->nr == charsetnr)
			return [self stringWithCString:c->collation];
		++c;
	} while (c[0].nr != 0);
	return @"UNKNOWN";
}

/*
 * Return the max byte length to store a char by using
 * a specific mysql_charsetnr
 */
- (unsigned int)find_charsetMaxByteLengthPerChar:(unsigned int)charsetnr
{
	const OUR_CHARSET * c = our_charsets60;

	do {
		if (c->nr == charsetnr)
			return c->char_maxlen;
		++c;
	} while (c[0].nr != 0);
	return 1;
}


@end