diff -r 24e94a3da209 -r d8ff52a0390f pgtoolkit/pgdatacopy.py
--- a/pgtoolkit/pgdatacopy.py	Mon May 26 18:18:21 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,116 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# PgDataCopy - copy data between tables
-#
-# Copyright (c) 2012  Radek Brich <radek.brich@devl.cz>
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-
-
-import io
-
-
-class TargetNotEmptyError(Exception):
-    
-    def __init__(self, msg, table):
-        Exception.__init__(self, msg)
-        self.table = table
-
-
-class PgDataCopy:
-    
-    def __init__(self, conn1, conn2):
-        self.conn1 = conn1
-        self.conn2 = conn2
-        self.fulltable1 = None
-        self.fulltable2 = None
-   
-    def set_source(self, table, schema='public'):
-        self.schema1 = schema
-        self.table1 = table
-        self.fulltable1 = '"' + schema + '"."'+ table + '"'
-    
-    def set_destination(self, table, schema='public'):
-        self.schema2 = schema
-        self.table2 = table
-        self.fulltable2 = '"' + schema + '"."'+ table + '"'
-    
-    def copy(self):
-        self.check()
-        
-        buf = io.StringIO()
-        try:
-            self.read(buf)
-            data = buf.getvalue()
-        finally:
-            buf.close()
-        
-        buf = io.StringIO(data)
-        try:
-            self.write(buf)
-        finally:
-            buf.close()
-        
-        self.analyze()
-    
-    def check(self):
-        '''Check that target table does not contain any data (otherwise cannot copy).'''
-        q = self._compose_check(self.fulltable2)
-        curs = self.conn2.cursor()
-        curs.execute(q)
-        curs.connection.commit()
-        if curs.rowcount > 0:
-            raise TargetNotEmptyError('Target table contains data.', self.fulltable2)
-        self.cols = [desc[0] for desc in curs.description]
-    
-    def read(self, tmpfile):
-        '''Read contents from source table.'''
-        q = self._compose_read(self.fulltable1, self.cols)
-        curs = self.conn1.cursor()
-        curs.copy_expert(q, tmpfile)
-        curs.connection.commit()
-    
-    def write(self, tmpfile):
-        '''Write source table contents to target table.'''
-        q = self._compose_write(self.fulltable2, self.cols)
-        curs = self.conn2.cursor()
-        curs.copy_expert(q, tmpfile)
-        curs.connection.commit()
-    
-    def analyze(self):
-        '''Analyze target table.'''
-        q = self._compose_analyze(self.fulltable2)
-        curs = self.conn2.cursor()
-        curs.execute(q)
-        curs.connection.commit()
-    
-    def _compose_check(self, table):
-        return 'SELECT * FROM %s LIMIT 1' % table
-    
-    def _compose_read(self, table, cols):
-        collist = ', '.join(['"%s"' % col for col in cols])
-        return 'COPY %s (%s) TO STDOUT' % (table, collist)
-    
-    def _compose_write(self, table, cols):
-        collist = ', '.join(['"%s"' % col for col in cols])
-        return 'COPY %s (%s) FROM STDIN' % (table, collist)
-    
-    def _compose_analyze(self, table):
-        return 'ANALYZE %s' % table
-