Index: gs2-extensions/parallel-building/trunk/src/perllib/dbutil/mssql.pm
===================================================================
--- gs2-extensions/parallel-building/trunk/src/perllib/dbutil/mssql.pm	(revision 27203)
+++ 	(revision )
@@ -1,314 +1,0 @@
-###########################################################################
-#
-# dbutil::mssql -- utility functions for writing to mssql databases
-#
-# A component of the Greenstone digital library software
-# from the New Zealand Digital Library Project at the 
-# University of Waikato, New Zealand.
-#
-# Copyright (C) 2009
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-#
-###########################################################################
-
-package dbutil::mssql;
-
-use Encode;
-use strict;
-
-
-
-# -----------------------------------------------------------------------------
-#   MSSQL IMPLEMENTATION
-# -----------------------------------------------------------------------------
-
-my $mssql_collection_name = "";
-my $mssql_data_table_name = "";
-my $mssql_document_metadata_table_name = "";
-
-
-sub open_infodb_write_handle
-{
-  my $infodb_file_path = shift(@_);
-
-  # You might have to install the DBD::ADO module from CPAN
-  #================================================================#
-  # Uncomment this if you want to use MSSQL!!!
-  # By the way, MSSQL only works on a Windows machine...
-  #================================================================#
-  #use DBI;
-  #use DBD::ADO;
-  #Win32::OLE->Option(CP => Win32::OLE::CP_UTF8);
-
-  # The hard coded server connection thingy which should be placed
-  # in some configuration file.
-  # If you have problem connecting to your MS SQL server:
-  # 1. Check if your MSSQL server has been started.
-  # 2. Check if the TCP/IP connection has been enabled.
-  # 3. Use telnet to the server 
-  # (don't forget to specify the port, which can be found in the configuration manager)
-  # If none of the above helped, the you need to start googling then.
-  my $host = "localhost,1660"; # Need to look up your SQL server and see what port is it using.
-  my $user = "sa";
-  my $pwd = "[When installing the MSSQL, you will be asked to input a password for the sa user, use that password]";
-  my $database = "[Create a database in MSSQL and use it here]";
-  
-  # Create the unique name for the table
-  # We do not want to change the database for the current running index
-  # Therefore we use timestamp and collection short name to create an unqiue name
-  my $cur_time = time();
-  my $unique_key = $mssql_collection_name . "_" . $cur_time;
-  $mssql_data_table_name = "data_" . $unique_key;
-  $mssql_document_metadata_table_name = "document_metadata_" . $unique_key;
-  print STDERR "MSSQL: Creating unique table name. Unique ID:[" . $unique_key . "]\n";
-      
-  # Store these information into the infodbfile  
-  open(FH, ">" . $infodb_file_path);
-  print FH "mss-host\t" . $host . "\n";
-  print FH "username\t" . $user . "\n";
-  print FH "password\t" . $pwd . "\n";
-  print FH "database\t" . $database . "\n";
-  print FH "tableid\t" . $unique_key . "\n";
-  close(FH);
-  print STDERR "MSSQL: Saving db info into :[" . $infodb_file_path . "]\n";
-
-  # Make the connection
-  my $dsn = "Provider=SQLNCLI;Server=$host;Database=$database";
-  my $infodb_handle = DBI->connect("dbi:ADO:$dsn", $user, $pwd, { RaiseError => 1, AutoCommit => 1}) || return undef;
-  print STDERR "MSSQL: Connect to MS SQL database. DSN:[" . $dsn . "]\n";
-
-  # Make sure the data table has been created.
-  my $data_table_checker_array = dbgetarray($infodb_handle, "SELECT name FROM sysobjects WHERE name = '" . $mssql_data_table_name . "' AND OBJECTPROPERTY(id,'IsUserTable') = 1");
-  if (scalar(@{$data_table_checker_array}) == 0)
-  {
-    dbquery($infodb_handle, "CREATE TABLE " . $mssql_data_table_name . " (one_key NVARCHAR(50) UNIQUE, one_value NVARCHAR(MAX))");
-  }
-  print STDERR "MSSQL: Making sure the data table(" . $mssql_data_table_name . ") exists\n";
-    
-  # Make sure the document_metadata table has been created.
-  my $document_metadata_table_checker_array = dbgetarray($infodb_handle, "SELECT name FROM sysobjects WHERE name = '" . $mssql_document_metadata_table_name . "' AND OBJECTPROPERTY(id,'IsUserTable') = 1");
-  if (scalar(@{$document_metadata_table_checker_array}) == 0)
-  {
-    dbquery($infodb_handle, "CREATE TABLE " . $mssql_document_metadata_table_name . " (id INTEGER IDENTITY(1,1) PRIMARY KEY, docOID NVARCHAR(50), element NVARCHAR(MAX), value NVARCHAR(MAX))");
-    dbquery($infodb_handle, "CREATE INDEX dmd ON " . $mssql_document_metadata_table_name . "(docOID)");
-  } 
-  print STDERR "MSSQL: Making sure the document_metadata table(" . $mssql_data_table_name . ") exists.\n";
-  
-  return $infodb_handle;
-}
-
-
-sub close_infodb_write_handle
-{
-  my $infodb_handle = shift(@_);    
-  
-  $infodb_handle->disconnect();
-}
-
-
-sub get_infodb_file_path
-{
-  my $collection_name = shift(@_);
-  my $infodb_directory_path = shift(@_);
-
-  my $infodb_file_extension = ".mssqldbinfo";
-  my $infodb_file_name = &util::get_dirsep_tail($collection_name) . $infodb_file_extension;
-  
-  # This will be used in the open_infodb_write_handle function
-  $mssql_collection_name =  $collection_name;
-
-  return &util::filename_cat($infodb_directory_path, $infodb_file_name);
-}
-
-
-sub read_infodb_file
-{
-  my $infodb_file_path = shift(@_);
-  my $infodb_map = shift(@_);
-
-  print STDERR "******* mssql::read_infodb_file() TO BE IMPLEMENTED!\n";
-  print STDERR "******* See sqlite.pm for comparable implementation that has been coded up!\n";
-}
-
-sub read_infodb_keys
-{
-  my $infodb_file_path = shift(@_);
-  my $infodb_map = shift(@_);
-
-  print STDERR "******* mssql::read_infodb_keys() TO BE IMPLEMENTED!\n";
-  print STDERR "******* See sqlite.pm for comparable implementation that has been coded up!\n";
-}
-
-
-sub write_infodb_entry
-{
-  my $infodb_handle = shift(@_);
-  my $infodb_key = shift(@_);
-  my $infodb_map = shift(@_);
-  
-  # Add the key -> value mapping into the "data" table
-  my $infodb_entry_value = "";
-  foreach my $infodb_value_key (keys(%$infodb_map))
-  {
-    foreach my $infodb_value (@{$infodb_map->{$infodb_value_key}})
-    {
-      $infodb_entry_value .= "<$infodb_value_key>" . &Encode::decode_utf8($infodb_value) . "\n";
-    }
-  }
-  
-  # Prepare the query
-  my $safe_infodb_key = &mssql_safe($infodb_key);
-  my $query = "INSERT INTO " . $mssql_data_table_name . " (one_key, one_value) VALUES (N'" . $safe_infodb_key . "', N'" . &mssql_safe($infodb_entry_value) . "')";
-  dbquery($infodb_handle, $query);
-  
-  # If this infodb entry is for a document, add all the interesting document metadata to the
-  # "document_metadata" table (for use by the dynamic classifiers)
-  if ($infodb_key !~ /\./ && $infodb_entry_value =~ /\<doctype\>doc\n/)
-  {
-    dbquery($infodb_handle, "DELETE FROM " . $mssql_document_metadata_table_name . " WHERE docOID=N'" . $safe_infodb_key . "'");
-    
-    foreach my $infodb_value_key (keys(%$infodb_map))
-    {            
-      # We're not interested in most of the automatically added document metadata
-      next if ($infodb_value_key eq "archivedir" ||
-               $infodb_value_key eq "assocfilepath" ||
-               $infodb_value_key eq "childtype" ||
-               $infodb_value_key eq "contains" ||
-               $infodb_value_key eq "docnum" ||
-               $infodb_value_key eq "doctype" ||
-               $infodb_value_key eq "Encoding" ||
-               $infodb_value_key eq "FileSize" ||
-               $infodb_value_key eq "hascover" ||
-               $infodb_value_key eq "hastxt" ||
-               $infodb_value_key eq "lastmodified" ||
-               $infodb_value_key eq "metadataset" ||
-               $infodb_value_key eq "thistype" ||
-               $infodb_value_key =~ /^metadatafreq\-/ ||
-               $infodb_value_key =~ /^metadatalist\-/);
-      foreach my $infodb_value (@{$infodb_map->{$infodb_value_key}})
-      {
-        $infodb_handle->{LongReadLen} = 65535; # Added for the encoding issue
-        my $query = "INSERT INTO " . $mssql_document_metadata_table_name . " (docOID, element, value) VALUES (N'" . $safe_infodb_key . "', N'" . &mssql_safe(&Encode::decode_utf8($infodb_value_key)) . "', N'" . &mssql_safe(&Encode::decode_utf8($infodb_value)) . "')";
-        dbquery($infodb_handle, $query);
-      }
-    }
-  }
-}
-
-
-sub write_infodb_rawentry
-{
-  my $infodb_handle = shift(@_);
-  my $infodb_key = shift(@_);
-  my $infodb_val = shift(@_);
-  
-  # Prepare the query
-  my $safe_infodb_key = &mssql_safe($infodb_key);
-  my $query = "INSERT INTO " . $mssql_data_table_name . " (one_key, one_value) VALUES (N'" . $safe_infodb_key . "', N'" . &mssql_safe($infodb_val) . "')";
-  dbquery($infodb_handle, $query);
-}
-
-
- sub set_infodb_entry
-{
-  my $infodb_file_path = shift(@_);
-  my $infodb_key = shift(@_);
-  my $infodb_map = shift(@_);
-  
-  print STDERR "***** mssql::set_infodb_entry() not implemented yet!\n";
-}
-
-sub delete_infodb_entry
-{
-  my $infodb_handle = shift(@_);
-  my $infodb_key = shift(@_);
-  
-  # Delete the key from the "data" table
-
-  
-  # Prepare the query
-  my $safe_infodb_key = &mssql_safe($infodb_key);
-  my $query = "DELETE FROM " . $mssql_data_table_name . " WHERE one_key=N'" . $safe_infodb_key . "'";
-  dbquery($infodb_handle, $query);
-  
-  # If this infodb entry is for a document, add all the interesting document metadata to the
-  # "document_metadata" table (for use by the dynamic classifiers)
-  if ($infodb_key !~ /\./)
-  {
-      # Possible for there not to be a docOID matching this infodb_key
-      # (entries are only made when <doctype> == doc
-      # Attempt to delete it, and don't complain if one isn't found
-
-      dbquery($infodb_handle, "DELETE FROM " . $mssql_document_metadata_table_name . " WHERE docOID=N'" . $safe_infodb_key . "'");
-      
-  }
-}
-
-
-
-sub mssql_safe
-{
-  my $value = shift(@_);
-  
-  # Escape any single quotes in the value
-  $value =~ s/\'/\'\'/g;
-  
-  return $value;
-}
-
-
-sub dbquery
-{
-  my $infodb_handle = shift(@_);
-  my $sql_query = shift(@_);
-
-  # Execute the SQL statement
-  my $statement_handle = $infodb_handle->prepare($sql_query);
-  $statement_handle->execute();
-  if ($statement_handle->err) 
-  {
-    print STDERR "Error:" . $statement_handle->errstr . "\n";
-    return undef;
-  }
-  
-  return $statement_handle;
-}
-
-
-sub dbgetarray
-{
-  my $infodb_handle = shift(@_);
-  my $sql_query = shift(@_);
-  
-  my $statement_handle = dbquery($infodb_handle, $sql_query);
-  my $return_array = [];
-  
-  # Iterate through the results and push them into an array
-  if (!defined($statement_handle)) 
-  {
-    return [];
-  }
-  
-  while ((my $temp_hash = $statement_handle->fetchrow_hashref()))
-  {
-    push(@$return_array, $temp_hash);
-  }
-
-  return $return_array; 
-}
-
-
-1;
