gnue/gnue-common/src/dbdrivers/geas DBdriver.py

[James Thompson]

CVSROOT:        /cvs
Module name:    gnue
Changes by:     James Thompson <address@hidden> 01/09/20 23:09:41

Modified files:
        gnue-common/src/dbdrivers/geas: DBdriver.py 

Log message:
        Started adding schema discovery routines to geas driver

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gnue/gnue-common/src/dbdrivers/geas/DBdriver.py.diff?cvsroot=OldCVS&tr1=1.14&tr2=1.15&r1=text&r2=text

Patches:
Index: gnue/gnue-common/src/dbdrivers/geas/DBdriver.py
diff -u gnue/gnue-common/src/dbdrivers/geas/DBdriver.py:1.14 
gnue/gnue-common/src/dbdrivers/geas/DBdriver.py:1.15
--- gnue/gnue-common/src/dbdrivers/geas/DBdriver.py:1.14        Thu Sep 20 
02:08:36 2001
+++ gnue/gnue-common/src/dbdrivers/geas/DBdriver.py     Thu Sep 20 23:09:41 2001
@@ -76,12 +76,13 @@
     self._fieldNames = None
     GDebug.printMesg(5, 'ResultSet created')
   
-
   def _loadNextRecord(self): 
     if self._cursor: 
       try:
         print self._cursor
-        #if not self._fieldNames: 
+        
+        if not self._fieldNames:
+            self._dataObject.getSchemaList()
         #  self._fieldNames = []
         #  for t in (self._cursor.description): 
         #    self._fieldNames.append (t[0])
@@ -347,6 +348,45 @@
       else: 
         raise GConditions.ConditionNotSupported, \
           'Condition clause "%s" is not supported by this db driver.' % otype
+
+
+  # Return a list of the types of Schema objects this driver provides
+  # Doesn't seem to be in use anywhere yet but I'll put it in - jamest
+  def getSchemaTypes(self):
+      return [('object','Object',1)]
+
+  # Return a list of Schema objects
+  def getSchemaList(self, type=None):
+
+      # TODO: These next few lines serve no purpose in this
+      # TODO: driver but I will leave in place in case jcater
+      # TODO: had plans for this stuff in designer
+      includeObjects = (type in ('object','sources', None))
+
+      if includeObjects:
+          pass
+      # TODO: End odd stuff
+      
+      list = []
+      for classname in self._dataConnection.classes:
+        print "Classname: ", classname
+        classdef = self._dataConnection.getFullClassDefinition(str(classname))
+#        print "Class: %s\n   Fields: %s" % (classdef.name, classdef.fields)
+#        list.append(GDataObjects.Schema(attrs={'id':lower(classdef.name),
+#                                               'name':classdef.name,
+#                                               'type':'object'},
+#                                        
getChildSchema=self.__getAttribSchema))
+
+      return list
+      #print ""
+      #classnames = con.classes
+      #idx = show_classnames( classnames )
+
+      #c = con.getFullClassDefinition( classnames[idx-1] )
+      #show_classname( c )
+      #show_fields( c )
+      #raw_input( "Press 'enter' to continue" )
+
 
 supportedDataObjects = { 
   'object': GEAS_DataObject