diff options
Diffstat (limited to 'Source/CustomQuery.m')
| -rw-r--r-- | Source/CustomQuery.m | 67 |
1 files changed, 59 insertions, 8 deletions
diff --git a/Source/CustomQuery.m b/Source/CustomQuery.m index 894e5cc0..6526c222 100644 --- a/Source/CustomQuery.m +++ b/Source/CustomQuery.m @@ -526,8 +526,7 @@ // if(!queriesSeparatedByDelimiter) // TODO: How to combine queries delimited by DELIMITER? usedQuery = [[NSString stringWithString:[tempQueries componentsJoinedByString:@";\n"]] retain]; - if(!tableReloadAfterEditing) - lastExecutedQuery = [[tempQueries lastObject] retain]; + lastExecutedQuery = [[tempQueries lastObject] retain]; //perform empty query if no query is given if ( !queryCount ) { @@ -1452,17 +1451,69 @@ // Order by the column position number to avoid ambiguous name errors NSString* newOrder = [NSString stringWithFormat:@" ORDER BY %i %@ ", [[tableColumn identifier] intValue]+1, (isDesc)?@"DESC":@"ASC"]; - //make queryString and perform query [queryString replaceOccurrencesOfRegex:@"--.*?\n" withString:@""]; [queryString replaceOccurrencesOfRegex:@"--.*?$" withString:@""]; [queryString replaceOccurrencesOfRegex:@"/\\*(.|\n)*?\\*/" withString:@""]; - if([queryString isMatchedByRegex:@"(?i)\\s+ORDER\\s+BY\\s+(.|\\n)+(\\s+(DESC|ASC))?(\\s|\\n)+(?=(LI|PR|IN|FO|LO))"]) - [queryString replaceOccurrencesOfRegex:@"(?i)\\s+ORDER\\s+BY\\s+(.|\\n)+((\\s|\\n)+(DESC|ASC))?(\\s|\\n)+(?=(LI|PR|IN|FO|LO))" withString:newOrder]; - else if ([queryString isMatchedByRegex:@"(?i)\\s+ORDER\\s+BY\\s+(.|\\n)+((\\s|\\n)+(DESC|ASC))?"]) - [queryString replaceOccurrencesOfRegex:@"(?i)\\s+ORDER\\s+BY\\s+(.|\\n)+((\\s|\\n)+(DESC|ASC))?" withString:newOrder]; + + // Remove all quoted strings as a temp string to match the correct clauses + NSRange matchedRange; + int i; + NSMutableString *tmpString = [NSMutableString stringWithString:queryString]; + NSMutableString *qq = [NSMutableString string]; + matchedRange = [tmpString rangeOfRegex:@"\"(?:[^\"\\\\]*+|\\\\.)*\""]; + // Replace all "..." with _'s + while(matchedRange.length) { + [qq setString:@""]; + for(i=0; i<matchedRange.length; i++) [qq appendString:@"_"]; + [tmpString replaceCharactersInRange:matchedRange withString:qq]; + [tmpString flushCachedRegexData]; + matchedRange = [tmpString rangeOfRegex:@"\"(?:[^\"\\\\]*+|\\\\.)*\""]; + } + // Replace all '...' with _'s + matchedRange = [tmpString rangeOfRegex:@"'(?:[^'\\\\]*+|\\\\.)*'"]; + while(matchedRange.length) { + [qq setString:@""]; + for(i=0; i<matchedRange.length; i++) [qq appendString:@"_"]; + [tmpString replaceCharactersInRange:matchedRange withString:qq]; + [tmpString flushCachedRegexData]; + matchedRange = [tmpString rangeOfRegex:@"'(?:[^'\\\\]*+|\\\\.)*'"]; + } + // Replace all `...` with _'s + matchedRange = [tmpString rangeOfRegex:@"`(?:[^`\\\\]*+|\\\\.)*`"]; + while(matchedRange.length) { + [qq setString:@""]; + for(i=0; i<matchedRange.length; i++) [qq appendString:@"_"]; + [tmpString replaceCharactersInRange:matchedRange withString:qq]; + [tmpString flushCachedRegexData]; + matchedRange = [tmpString rangeOfRegex:@"`(?:[^`\\\\]*+|\\\\.)*`"]; + } + + // Check for an existing ORDER clause (in the temp string), + // if so replace it by the new one (in the actual string) + // Test for ORDER clause inside a statement + if([tmpString isMatchedByRegex:@"(?i)\\s+ORDER\\s+BY\\s+(.|\\n)+(\\s+(DESC|ASC))?(\\s|\\n)+(?=(LI|PR|IN|FO|LO))"]) + { + matchedRange = [tmpString rangeOfRegex:@"(?i)\\s+ORDER\\s+BY\\s+(.|\\n)+(\\s+(DESC|ASC))?(\\s|\\n)+(?=(LI|PR|IN|FO|LO))"]; + [queryString replaceCharactersInRange:matchedRange withString:newOrder]; + } + // Test for ORDER clause at the end + else if ([tmpString isMatchedByRegex:@"(?i)\\s+ORDER\\s+BY\\s+(.|\\n)+((\\s|\\n)+(DESC|ASC))?"]) + { + matchedRange = [tmpString rangeOfRegex:@"(?i)\\s+ORDER\\s+BY\\s+(.|\\n)+((\\s|\\n)+(DESC|ASC))?"]; + [queryString replaceCharactersInRange:matchedRange withString:newOrder]; + } + // No ORDER clause found + // ORDER clause has to be inserted before LIMIT, PROCEDURE, INTO, FOR, or LOCK due to MySQL syntax for SELECT + else if([tmpString isMatchedByRegex:@"(?i)\\bSELECT\\b((.|\\n)+?)\\s*(?=(\\sLIMIT\\s|\\sPROCEDURE\\s|\\sINTO\\s|\\sFOR\\s|\\sLOCK\\s))"]) + { + matchedRange = [tmpString rangeOfRegex:@"(?i)\\bSELECT\\b((.|\\n)+?)(?=(\\sLIMIT\\s|\\sPROCEDURE\\s|\\sINTO\\s|\\sFOR\\s|\\sLOCK\\s))" capture:1]; + NSString *orderHeader = [NSString stringWithFormat:@"%@ %@", [queryString substringWithRange:matchedRange], newOrder]; + [queryString replaceCharactersInRange:matchedRange withString:orderHeader]; + } + // Otherwise append the new ORDER clause at the end else [queryString appendFormat:@" %@", newOrder]; - + tableReloadAfterEditing = YES; queryIsTableSorter = YES; [self performQueries:[NSArray arrayWithObject:queryString]]; |