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authorBibiko <bibiko@eva.mpg.de>2010-09-09 15:21:33 +0000
committerBibiko <bibiko@eva.mpg.de>2010-09-09 15:21:33 +0000
commitda8879c2d94f6f849cec202972e0bb595ff5865f (patch)
tree15aa0e0d29a5f3a0ead60b0217cf584b36d67627 /Source
parent09f05de9dacce173965aaff204a0254786580ab9 (diff)
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• [SPDatabase getDatabaseCollationsForEncoding:] now uses a cache to reduce the querying of info_schema
- this fixes the querying of each reloadData in [SPTableStructure objectValueFor:] • autoreleased mutableCopy in [SPTableStructure loadTable] • fixed drag&drop query in SPTableStructure to copy charset and collation as well
Diffstat (limited to 'Source')
-rw-r--r--Source/SPDatabaseData.h1
-rw-r--r--Source/SPDatabaseData.m19
-rw-r--r--Source/SPTableStructure.m21
3 files changed, 34 insertions, 7 deletions
diff --git a/Source/SPDatabaseData.h b/Source/SPDatabaseData.h
index 29c80aeb..f0b79b45 100644
--- a/Source/SPDatabaseData.h
+++ b/Source/SPDatabaseData.h
@@ -46,6 +46,7 @@ typedef struct
NSMutableArray *characterSetCollations;
NSMutableArray *storageEngines;
NSMutableArray *characterSetEncodings;
+ NSMutableDictionary *cachedCollationsByEncoding;
MCPConnection *connection;
}
diff --git a/Source/SPDatabaseData.m b/Source/SPDatabaseData.m
index 27b542c4..bec1264c 100644
--- a/Source/SPDatabaseData.m
+++ b/Source/SPDatabaseData.m
@@ -207,6 +207,7 @@ const SPDatabaseCharSets charsets[] =
characterSetCollations = [[NSMutableArray alloc] init];
storageEngines = [[NSMutableArray alloc] init];
characterSetEncodings = [[NSMutableArray alloc] init];
+ cachedCollationsByEncoding = [[NSMutableDictionary alloc] init];
}
return self;
@@ -278,10 +279,13 @@ const SPDatabaseCharSets charsets[] =
[characterSetCollations removeAllObjects];
characterSetEncoding = [[NSString alloc] initWithString:encoding];
-
+
+ if([cachedCollationsByEncoding objectForKey:characterSetEncoding] && [[cachedCollationsByEncoding objectForKey:characterSetEncoding] count])
+ return [cachedCollationsByEncoding objectForKey:characterSetEncoding];
+
// Try to retrieve the available collations for the supplied encoding from the database
if (serverMajorVersion >= 5)
- [characterSetCollations addObjectsFromArray:[self _getDatabaseDataForQuery:[NSString stringWithFormat:@"SELECT * FROM `information_schema`.`collations` WHERE character_set_name = '%@' ORDER BY `collation_name` ASC", characterSetEncoding]]];
+ [characterSetCollations addObjectsFromArray:[self _getDatabaseDataForQuery:[NSString stringWithFormat:@"SELECT * FROM `information_schema`.`collations` WHERE character_set_name = '%@' ORDER BY `collation_name` ASC", characterSetEncoding]]];
// If that failed, get the list of collations matching the supplied encoding from the hard-coded list
if (![characterSetCollations count]) {
@@ -289,15 +293,19 @@ const SPDatabaseCharSets 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);
- }
+ }
+
+ if(characterSetCollations && [characterSetCollations count])
+ [cachedCollationsByEncoding setObject:[NSArray arrayWithArray:characterSetCollations] forKey:characterSetEncoding];
+
}
return characterSetCollations;
@@ -441,6 +449,7 @@ const SPDatabaseCharSets charsets[] =
[characterSetCollations release], characterSetCollations = nil;
[storageEngines release], storageEngines = nil;
[characterSetEncodings release], characterSetEncodings = nil;
+ [cachedCollationsByEncoding release], cachedCollationsByEncoding = nil;
[super dealloc];
}
diff --git a/Source/SPTableStructure.m b/Source/SPTableStructure.m
index 2ec324a7..16c01b6f 100644
--- a/Source/SPTableStructure.m
+++ b/Source/SPTableStructure.m
@@ -118,7 +118,7 @@
// Make a mutable copy out of the cached [tableDataInstance columns] since we're adding infos
for(id col in [tableDataInstance columns])
- [theTableFields addObject:[col mutableCopy]];
+ [theTableFields addObject:[[col mutableCopy] autorelease]];
// Retrieve the indexes for the table
indexResult = [[mySQLConnection queryString:[NSString stringWithFormat:@"SHOW INDEX FROM %@", [aTable backtickQuotedString]]] retain];
@@ -760,7 +760,6 @@ closes the keySheet
[queryString appendFormat:@" COLLATE %@", col];
}
-
// Field specification
if ([[theRow objectForKey:@"unsigned"] integerValue] == 1) {
[queryString appendString:@" UNSIGNED"];
@@ -1385,6 +1384,24 @@ would result in a position change.
[queryString appendFormat:@"(%@)", [originalRow objectForKey:@"length"]];
}
+ NSString *fieldEncoding = @"";
+ if([[originalRow objectForKey:@"encoding"] integerValue] > 0) {
+ NSString *enc = [[[[[tableSourceView tableColumns] objectAtIndex:10] dataCell] itemAtIndex:[[originalRow objectForKey:@"encoding"] integerValue]] title];
+ NSInteger start = [enc rangeOfString:@"("].location+1;
+ NSInteger end = [enc length] - start - 1;
+ fieldEncoding = [enc substringWithRange:NSMakeRange(start, end)];
+ [queryString appendFormat:@" CHARACTER SET %@", fieldEncoding];
+ }
+ if(![fieldEncoding length] && [tableDataInstance tableEncoding]) {
+ fieldEncoding = [tableDataInstance tableEncoding];
+ }
+ if([fieldEncoding length] && [[originalRow objectForKey:@"collation"] integerValue] > 0) {
+ NSArray *theCollations = [databaseDataInstance getDatabaseCollationsForEncoding:fieldEncoding];
+ NSString *col = [[theCollations objectAtIndex:[[originalRow objectForKey:@"collation"] integerValue]-1] objectForKey:@"COLLATION_NAME"];
+ [queryString appendFormat:@" COLLATE %@", col];
+ }
+
+
// Add unsigned, zerofill, binary, not null if necessary
if ([[originalRow objectForKey:@"unsigned"] integerValue]) {
[queryString appendString:@" UNSIGNED"];