From 92c97653ece581d1697afe9cc26140398d5d81c6 Mon Sep 17 00:00:00 2001
From: helge <helge@d1b88da0-ebda-0310-925b-ed51d893ca5b>
Date: Wed, 30 Jun 2004 15:08:32 +0000
Subject: [PATCH] git-svn-id: http://svn.opengroupware.org/SOGo/trunk@125
 d1b88da0-ebda-0310-925b-ed51d893ca5b

---
 OGoContentStore/ChangeLog            |  2 +
 OGoContentStore/GNUmakefile.preamble |  3 +-
 OGoContentStore/OCSFolder.h          |  3 ++
 OGoContentStore/OCSFolder.m          | 65 ++++++++++++++++++++++++++++
 4 files changed, 72 insertions(+), 1 deletion(-)

diff --git a/OGoContentStore/ChangeLog b/OGoContentStore/ChangeLog
index e1fd12d8..d23be329 100644
--- a/OGoContentStore/ChangeLog
+++ b/OGoContentStore/ChangeLog
@@ -1,5 +1,7 @@
 2004-06-30  Helge Hess  <helge.hess@opengroupware.org>
 
+	* OCSFolder.m: added quick fetches
+
 	* GNUmakefile.preamble: fix link path
 
 	* GNUmakefile (libOGoContentStore_HEADER_FILES_INSTALL_DIR): install
diff --git a/OGoContentStore/GNUmakefile.preamble b/OGoContentStore/GNUmakefile.preamble
index e99d298a..27075f2c 100644
--- a/OGoContentStore/GNUmakefile.preamble
+++ b/OGoContentStore/GNUmakefile.preamble
@@ -2,7 +2,8 @@
 
 libOGoContentStore_LIBRARIES_DEPEND_UPON += \
 	-lGDLAccess	\
-	-lEOControl
+	-lEOControl	\
+	-lSaxObjC
 
 OCS_TOOL_LIBS += \
 	-lOGoContentStore	\
diff --git a/OGoContentStore/OCSFolder.h b/OGoContentStore/OCSFolder.h
index f47000dc..c19bec9a 100644
--- a/OGoContentStore/OCSFolder.h
+++ b/OGoContentStore/OCSFolder.h
@@ -26,6 +26,7 @@
 #import <Foundation/NSObject.h>
 
 @class NSString, NSURL, NSNumber, NSArray, NSException;
+@class EOQualifier;
 @class EOAdaptorChannel;
 @class OCSFolderManager, OCSFolderType, OCSChannelManager;
 
@@ -79,6 +80,8 @@
 - (NSString *)fetchContentWithName:(NSString *)_name;
 - (NSException *)writeContent:(NSString *)_content toName:(NSString *)_name;
 
+- (NSArray *)fetchFields:(NSArray *)_flds matchingQualifier:(EOQualifier *)_q;
+
 @end
 
 #endif /* __OGoContentStore_OCSFolder_H__ */
diff --git a/OGoContentStore/OCSFolder.m b/OGoContentStore/OCSFolder.m
index d906925b..d8f5939c 100644
--- a/OGoContentStore/OCSFolder.m
+++ b/OGoContentStore/OCSFolder.m
@@ -224,6 +224,71 @@ static BOOL debugOn = YES;
 		      userInfo:nil];
 }
 
+- (NSString *)columnNameForFieldName:(NSString *)_fieldName {
+  return _fieldName;
+}
+
+- (NSArray *)fetchFields:(NSArray *)_flds matchingQualifier:(EOQualifier *)_q {
+  EOAdaptorChannel *channel;
+  NSException      *error;
+  NSMutableString  *sql;
+  NSArray          *attrs;
+  NSMutableArray   *results;
+  NSDictionary     *row;
+  
+#if 0
+  [self logWithFormat:@"FETCH: %@", _flds];
+  [self logWithFormat:@"  MATCH: %@", _q];
+#endif
+  
+  /* generate SQL */
+
+  sql = [NSMutableString stringWithCapacity:256];
+  [sql appendString:@"SELECT "];
+  if (_flds == nil)
+    [sql appendString:@"*"];
+  else {
+    unsigned i, count;
+    
+    count = [_flds count];
+    for (i = 0; i < count; i++) {
+      if (i > 0) [sql appendString:@", "];
+      [sql appendString:[self columnNameForFieldName:[_flds objectAtIndex:i]]];
+    }
+  }
+  [sql appendString:@" FROM "];
+  [sql appendString:[self quickTableName]];
+
+  /* open channel */
+
+  if ((channel = [self acquireStoreChannel]) == nil) {
+    [self logWithFormat:@"ERROR(%s): could not open storage channel!"];
+    return nil;
+  }
+  
+  /* run SQL */
+
+  if ((error = [channel evaluateExpressionX:sql]) != nil) {
+    [self logWithFormat:@"ERROR(%s): cannot execute quick-fetch SQL '%@': %@", 
+	    __PRETTY_FUNCTION__, sql, error];
+    [self releaseChannel:channel];
+    return nil;
+  }
+
+  /* fetch results */
+  
+  results = [NSMutableArray arrayWithCapacity:64];
+  attrs   = [channel describeResults];
+  while ((row = [channel fetchAttributes:attrs withZone:NULL]) != nil)
+    [results addObject:row];
+  
+  /* release channels */
+  
+  [self releaseChannel:channel];
+  
+  return results;
+}
+
 /* description */
 
 - (NSString *)description {
-- 
2.39.5