mirror of
https://git.postgresql.org/git/postgresql.git
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1ade4b33f6
overlooked in 7.3 updates. Not a critical fix but avoids a notice when the resulting SQL script is executed.
2020 lines
55 KiB
Perl
2020 lines
55 KiB
Perl
package Ora2Pg;
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#------------------------------------------------------------------------------
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# Project : Oracle to PostgreSQL database schema converter
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# Name : Ora2Pg.pm
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# Language : 5.006 built for i686-linux
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# OS : linux RedHat 6.2 kernel 2.2.14-5
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# Authors : Gilles Darold, gilles@darold.net
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# Copyright: Copyright (c) 2000 : Gilles Darold - All rights reserved -
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# Function : Main module used to export Oracle database schema to PostgreSQL
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# Usage : See documentation in this file with perldoc.
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#------------------------------------------------------------------------------
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# This program is free software; you can redistribute it and/or modify it under
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# the same terms as Perl itself.
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#------------------------------------------------------------------------------
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#use strict;
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use vars qw($VERSION $PSQL);
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use Carp qw(confess);
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use DBI;
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use POSIX qw(locale_h);
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#set locale to LC_NUMERIC C
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setlocale(LC_NUMERIC,"C");
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$VERSION = "1.12";
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$PSQL = "psql";
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=head1 NAME
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Ora2Pg - Oracle to PostgreSQL database schema converter
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=head1 SYNOPSIS
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BEGIN {
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$ENV{ORACLE_HOME} = '/usr/local/oracle/oracle816';
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}
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use strict;
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use Ora2Pg;
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# Init the database connection
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my $dbsrc = 'dbi:Oracle:host=testdb.samse.fr;sid=TEST;port=1521';
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my $dbuser = 'system';
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my $dbpwd = 'manager';
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# Create an instance of the Ora2Pg perl module
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my $schema = new Ora2Pg (
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datasource => $dbsrc, # Database DBD datasource
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user => $dbuser, # Database user
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password => $dbpwd, # Database password
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{
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PrintError => 0,
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RaiseError => 1,
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AutoCommit => 0
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}
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);
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# Create the POSTGRESQL representation of all objects in the database
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$schema->export_schema("output.sql");
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exit(0);
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or if you only want to extract some tables:
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# Create an instance of the Ora2Pg perl module
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my @tables = ('tab1', 'tab2', 'tab3');
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my $schema = new Ora2Pg (
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datasource => $dbsrc, # Database DBD datasource
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user => $dbuser, # Database user
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password => $dbpwd, # Database password
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tables => \@tables,
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or # Tables to extract
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tables => [('tab1','tab2')],
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debug => 1 # To show somethings when running
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);
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or if you only want to extract the 10 first tables:
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# Create an instance of the Ora2Pg perl module
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my $schema = new Ora2Pg (
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datasource => $dbsrc, # Database DBD datasource
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user => $dbuser, # Database user
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password => $dbpwd, # Database password
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max => 10 # 10 first tables to extract
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);
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or if you only want to extract tables 10 to 20:
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# Create an instance of the Ora2Pg perl module
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my $schema = new Ora2Pg (
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datasource => $dbsrc, # Database DBD datasource
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user => $dbuser, # Database user
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password => $dbpwd, # Database password
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min => 10, # Begin extraction at indice 10
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max => 20 # End extraction at indice 20
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);
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To choose a particular Oracle schema to export just set the following option
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to your schema name:
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schema => 'APPS'
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This schema definition can also be needed when you want to export data. If export
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failed and complain that the table doesn't exists use this to prefix the table name
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by the schema name.
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If you want to use PostgreSQL 7.3 schema support activate the init option
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'export_schema' set to 1. Default is no schema export
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To know at which indices tables can be found during extraction use the option:
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showtableid => 1
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To extract all views set the type option as follow:
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type => 'VIEW'
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To extract all grants set the type option as follow:
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type => 'GRANT'
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To extract all sequences set the type option as follow:
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type => 'SEQUENCE'
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To extract all triggers set the type option as follow:
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type => 'TRIGGER'
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To extract all functions set the type option as follow:
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type => 'FUNCTION'
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To extract all procedures set the type option as follow:
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type => 'PROCEDURE'
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To extract all packages and body set the type option as follow:
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type => 'PACKAGE'
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Default is table extraction
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type => 'TABLE'
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To extract all data from table extraction as INSERT statement use:
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type => 'DATA'
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To extract all data from table extraction as COPY statement use:
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type => 'COPY'
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and data_limit => n to specify the max tuples to return. If you set
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this options to 0 or nothing, no limitation are used. Additional option
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'table', 'min' and 'max' can also be used.
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When use of COPY or DATA you can export data by calling method:
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$schema->export_data("output.sql");
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Data are dumped to the given filename or to STDOUT with no argument.
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You can also send these data directly to a PostgreSQL backend using
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the following method:
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$schema->send_to_pgdb($destdatasrc,$destuser,$destpasswd);
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In this case you must call export_data() without argument after the
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call to method send_to_pgdb().
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If you set type to COPY and you want to dump data directly to a PG database,
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you must call method send_to_pgdb but data will not be sent via DBD::Pg but
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they will be load to the database using the psql command. Calling this method
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is istill required to be able to extract database name, hostname and port
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information. Edit the $PSQL variable to match the path of your psql
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command (nothing to edit if psql is in your path).
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=head1 DESCRIPTION
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Ora2Pg is a perl OO module used to export an Oracle database schema
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to a PostgreSQL compatible schema.
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It simply connect to your Oracle database, extract its structure and
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generate a SQL script that you can load into your PostgreSQL database.
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I'm not a Oracle DBA so I don't really know something about its internal
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structure so you may find some incorrect things. Please tell me what is
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wrong and what can be better.
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It currently dump the database schema (tables, views, sequences, indexes, grants),
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with primary, unique and foreign keys into PostgreSQL syntax without editing the
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SQL code generated.
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It now can dump Oracle data into PostgreSQL DB as online process. You can choose
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what columns can be exported for each table.
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Functions, procedures and triggers PL/SQL code generated must be reviewed to match
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the PostgreSQL syntax. Some usefull recommandation on porting Oracle to PostgreSQL
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can be found at http://techdocs.postgresql.org/ under the "Converting from other
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Databases to PostgreSQL" Oracle part. I just notice one thing more is that the
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trunc() function in Oracle is the same for number or date so be carefull when
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porting to PostgreSQL to use trunc() for number and date_trunc() for date.
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=head1 ABSTRACT
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The goal of the Ora2Pg perl module is to cover all part needed to export
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an Oracle database to a PostgreSQL database without other thing that provide
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the connection parameters to the Oracle database.
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Features must include:
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- Database schema export (tables, views, sequences, indexes),
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with unique, primary and foreign key.
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- Grants/privileges export by user and group.
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- Table selection (by name and max table) export.
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- Export Oracle schema to PostgreSQL 7.3 schema.
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- Predefined functions/triggers/procedures/packages export.
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- Data export.
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- Sql query converter (todo)
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My knowledge regarding database is really poor especially for Oracle
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so contribution is welcome.
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=head1 REQUIREMENT
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You just need the DBI, DBD::Pg and DBD::Oracle perl module to be installed
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=head1 PUBLIC METHODS
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=head2 new HASH_OPTIONS
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Creates a new Ora2Pg object.
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Supported options are:
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- datasource : DBD datasource (required)
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- user : DBD user (optional with public access)
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- password : DBD password (optional with public access)
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- schema : Oracle internal schema to extract
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- type : Type of data to extract, can be TABLE,VIEW,GRANT,SEQUENCE,
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TRIGGER,FUNCTION,PROCEDURE,DATA,COPY,PACKAGE
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- debug : Print the current state of the parsing
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- export_schema : Export Oracle schema to PostgreSQL 7.3 schema
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- tables : Extract only the given tables (arrayref)
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- showtableid : Display only the table indice during extraction
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- min : Indice to begin extraction. Default to 0
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- max : Indice to end extraction. Default to 0 mean no limits
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- data_limit : Number max of tuples to return during data extraction (default 0 no limit)
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Attempt that this list should grow a little more because all initialization is
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done by this way.
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=cut
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sub new
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{
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my ($class, %options) = @_;
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# This create an OO perl object
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my $self = {};
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bless ($self, $class);
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# Initialize this object
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$self->_init(%options);
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# Return the instance
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return($self);
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}
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=head2 export_data FILENAME
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Print SQL data output to a filename or
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to STDOUT if no file is given.
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Must be used only if type option is set to DATA or COPY
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=cut
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sub export_data
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{
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my ($self, $outfile) = @_;
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$self->_get_sql_data($outfile);
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}
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=head2 export_sql FILENAME
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Print SQL conversion output to a filename or
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simply return these data if no file is given.
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=cut
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sub export_schema
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{
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my ($self, $outfile) = @_;
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if ($outfile) {
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# Send output to the given file
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open(FILE,">$outfile") or die "Can't open $outfile: $!";
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print FILE $self->_get_sql_data();
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close FILE;
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return;
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}
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# Return data as string
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return $self->_get_sql_data();
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}
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=head2 send_to_pgdb DEST_DATASRC DEST_USER DEST_PASSWD
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Open a DB handle to a PostgreSQL database
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=cut
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sub send_to_pgdb
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{
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my ($self, $destsrc, $destuser, $destpasswd) = @_;
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# Connect the database
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$self->{dbhdest} = DBI->connect($destsrc, $destuser, $destpasswd);
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$destsrc =~ /dbname=([^;]*)/;
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$self->{dbname} = $1;
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$destsrc =~ /host=([^;]*)/;
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$self->{dbhost} = $1;
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$self->{dbhost} = 'localhost' if (!$self->{dbhost});
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$destsrc =~ /port=([^;]*)/;
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$self->{dbport} = $1;
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$self->{dbport} = 5432 if (!$self->{dbport});
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$self->{dbuser} = $destuser;
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# Check for connection failure
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if (!$self->{dbhdest}) {
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die "Error : $DBI::err ... $DBI::errstr\n";
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}
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}
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=head2 modify_struct TABLE_NAME ARRAYOF_FIELDNAME
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Modify a table structure during export. Only given fieldname
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will be exported.
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=cut
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sub modify_struct
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{
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my ($self, $table, @fields) = @_;
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map { $_ = lc($_) } @fields;
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$table = lc($table);
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push(@{$self->{modify}{$table}}, @fields);
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}
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#### Private subroutines ####
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=head1 PRIVATE METHODS
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=head2 _init HASH_OPTIONS
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Initialize a Ora2Pg object instance with a connexion to the
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Oracle database.
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=cut
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sub _init
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{
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my ($self, %options) = @_;
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# Connect the database
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$self->{dbh} = DBI->connect($options{datasource}, $options{user}, $options{password});
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# Check for connection failure
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if (!$self->{dbh}) {
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die "Error : $DBI::err ... $DBI::errstr\n";
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}
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# Save the DB connection
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$self->{datasource} = $options{datasource};
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$self->{user} = $options{user};
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$self->{password} = $options{password};
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$self->{debug} = 0;
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$self->{debug} = 1 if ($options{debug});
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$self->{limited} = ();
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$self->{limited} = $options{tables} if ($options{tables});
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$self->{export_schema} = 0;
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$self->{export_schema} = $options{export_schema} if ($options{export_schema});
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$self->{schema} = '';
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$self->{schema} = $options{schema} if ($options{schema});
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$self->{min} = 0;
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$self->{min} = $options{min} if ($options{min});
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$self->{max} = 0;
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$self->{max} = $options{max} if ($options{max});
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$self->{showtableid} = 0;
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$self->{showtableid} = $options{showtableid} if ($options{showtableid});
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$self->{dbh}->{LongReadLen} = 0;
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#$self->{dbh}->{LongTruncOk} = 1;
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$self->{data_limit} = 0;
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$self->{data_current} = 0;
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$self->{data_limit} = $options{data_limit} if (exists $options{data_limit});
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# Retreive all table informations
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if (!exists $options{type} || ($options{type} eq 'TABLE') || ($options{type} eq 'DATA') || ($options{type} eq 'COPY')) {
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$self->{dbh}->{LongReadLen} = 100000;
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$self->_tables();
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} elsif ($options{type} eq 'VIEW') {
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$self->{dbh}->{LongReadLen} = 100000;
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$self->_views();
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} elsif ($options{type} eq 'GRANT') {
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$self->_grants();
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} elsif ($options{type} eq 'SEQUENCE') {
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$self->_sequences();
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} elsif ($options{type} eq 'TRIGGER') {
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$self->{dbh}->{LongReadLen} = 100000;
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$self->_triggers();
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} elsif (($options{type} eq 'FUNCTION') || ($options{type} eq 'PROCEDURE')) {
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$self->{dbh}->{LongReadLen} = 100000;
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$self->_functions($options{type});
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} elsif ($options{type} eq 'PACKAGE') {
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$self->{dbh}->{LongReadLen} = 100000;
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$self->_packages();
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} else {
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die "type option must be TABLE, VIEW, GRANT, SEQUENCE, TRIGGER, PACKAGE, FUNCTION or PROCEDURE\n";
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}
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$self->{type} = $options{type};
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# Disconnect from the database
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$self->{dbh}->disconnect() if ($self->{dbh});
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}
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# We provide a DESTROY method so that the autoloader doesn't
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# bother trying to find it. We also close the DB connexion
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sub DESTROY { }
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=head2 _grants
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This function is used to retrieve all privilege information.
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It extract all Oracle's ROLES to convert them as Postgres groups
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and search all users associated to these roles.
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Set the main hash $self->{groups}.
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Set the main hash $self->{grantss}.
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=cut
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sub _grants
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{
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my ($self) = @_;
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print STDERR "Retrieving groups/users information...\n" if ($self->{debug});
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$self->{users} = $self->_get_users();
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$self->{groups} = $self->_get_roles();
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$self->{grants} = $self->_get_all_grants();
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}
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=head2 _sequences
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This function is used to retrieve all sequences information.
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Set the main hash $self->{sequences}.
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=cut
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sub _sequences
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{
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my ($self) = @_;
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print STDERR "Retrieving sequences information...\n" if ($self->{debug});
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$self->{sequences} = $self->_get_sequences();
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}
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=head2 _triggers
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This function is used to retrieve all triggers information.
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Set the main hash $self->{triggers}.
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=cut
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sub _triggers
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{
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my ($self) = @_;
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print STDERR "Retrieving triggers information...\n" if ($self->{debug});
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$self->{triggers} = $self->_get_triggers();
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}
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=head2 _functions
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This function is used to retrieve all functions information.
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Set the main hash $self->{functions}.
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=cut
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sub _functions
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{
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my ($self, $type) = @_;
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print STDERR "Retrieving functions information...\n" if ($self->{debug});
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$self->{functions} = $self->_get_functions($type);
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}
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=head2 _packages
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This function is used to retrieve all packages information.
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Set the main hash $self->{packages}.
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=cut
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sub _packages
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{
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my ($self) = @_;
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print STDERR "Retrieving packages information...\n" if ($self->{debug});
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$self->{packages} = $self->_get_packages();
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}
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=head2 _tables
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This function is used to retrieve all table information.
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Set the main hash of the database structure $self->{tables}.
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Keys are the names of all tables retrieved from the current
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database. Each table information compose an array associated
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to the table_info key as array reference. In other way:
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$self->{tables}{$class_name}{table_info} = [(OWNER,TYPE)];
|
|
|
|
DBI TYPE can be TABLE, VIEW, SYSTEM TABLE, GLOBAL TEMPORARY, LOCAL TEMPORARY,
|
|
ALIAS, SYNONYM or a data source specific type identifier. This only extract
|
|
TABLE type.
|
|
|
|
It also get the following informations in the DBI object to affect the
|
|
main hash of the database structure :
|
|
|
|
$self->{tables}{$class_name}{field_name} = $sth->{NAME};
|
|
$self->{tables}{$class_name}{field_type} = $sth->{TYPE};
|
|
|
|
It also call these other private subroutine to affect the main hash
|
|
of the database structure :
|
|
|
|
@{$self->{tables}{$class_name}{column_info}} = $self->_column_info($class_name, $owner);
|
|
@{$self->{tables}{$class_name}{primary_key}} = $self->_primary_key($class_name, $owner);
|
|
@{$self->{tables}{$class_name}{unique_key}} = $self->_unique_key($class_name, $owner);
|
|
@{$self->{tables}{$class_name}{foreign_key}} = $self->_foreign_key($class_name, $owner);
|
|
|
|
=cut
|
|
|
|
sub _tables
|
|
{
|
|
my ($self) = @_;
|
|
|
|
# Get all tables information given by the DBI method table_info
|
|
print STDERR "Retrieving table information...\n" if ($self->{debug});
|
|
|
|
my $sth = $self->_table_info or die $self->{dbh}->errstr;
|
|
my @tables_infos = $sth->fetchall_arrayref();
|
|
|
|
if ($self->{showtableid}) {
|
|
foreach my $table (@tables_infos) {
|
|
for (my $i=0; $i<=$#{$table};$i++) {
|
|
print STDERR "[", $i+1, "] ${$table}[$i]->[2]\n";
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
my @done = ();
|
|
foreach my $table (@tables_infos) {
|
|
# Set the table information for each class found
|
|
my $i = 1;
|
|
print STDERR "Min table dump set to $self->{min}.\n" if ($self->{debug} && $self->{min});
|
|
print STDERR "Max table dump set to $self->{max}.\n" if ($self->{debug} && $self->{max});
|
|
foreach my $t (@$table) {
|
|
# Jump to desired extraction
|
|
if (grep(/^$t->[2]$/, @done)) {
|
|
print STDERR "Duplicate entry found: $t->[0] - $t->[1] - $t->[2]\n";
|
|
} else {
|
|
push(@done, $t->[2]);
|
|
}
|
|
$i++, next if ($self->{min} && ($i < $self->{min}));
|
|
last if ($self->{max} && ($i > $self->{max}));
|
|
next if (($#{$self->{limited}} >= 0) && !grep(/^$t->[2]$/, @{$self->{limited}}));
|
|
print STDERR "[$i] " if ($self->{max} || $self->{min});
|
|
print STDERR "Scanning $t->[2] (@$t)...\n" if ($self->{debug});
|
|
|
|
# Check of uniqueness of the table
|
|
if (exists $self->{tables}{$t->[2]}{field_name}) {
|
|
print STDERR "Warning duplicate table $t->[2], SYNONYME ? Skipped.\n";
|
|
next;
|
|
}
|
|
|
|
# usually OWNER,TYPE. QUALIFIER is omitted until I know what to do with that
|
|
$self->{tables}{$t->[2]}{table_info} = [($t->[1],$t->[3])];
|
|
# Set the fields information
|
|
my $sth = $self->{dbh}->prepare("SELECT * FROM $t->[1].$t->[2] WHERE 1=0");
|
|
if (!defined($sth)) {
|
|
warn "Can't prepare statement: $DBI::errstr";
|
|
next;
|
|
}
|
|
$sth->execute;
|
|
if ($sth->err) {
|
|
warn "Can't execute statement: $DBI::errstr";
|
|
next;
|
|
}
|
|
$self->{tables}{$t->[2]}{field_name} = $sth->{NAME};
|
|
$self->{tables}{$t->[2]}{field_type} = $sth->{TYPE};
|
|
|
|
@{$self->{tables}{$t->[2]}{column_info}} = $self->_column_info($t->[2],$t->[1]);
|
|
@{$self->{tables}{$t->[2]}{primary_key}} = $self->_primary_key($t->[2],$t->[1]);
|
|
@{$self->{tables}{$t->[2]}{unique_key}} = $self->_unique_key($t->[2],$t->[1]);
|
|
($self->{tables}{$t->[2]}{foreign_link}, $self->{tables}{$t->[2]}{foreign_key}) = $self->_foreign_key($t->[2],$t->[1]);
|
|
($self->{tables}{$t->[2]}{uniqueness}, $self->{tables}{$t->[2]}{indexes}) = $self->_get_indexes($t->[2],$t->[1]);
|
|
$i++;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
=head2 _views
|
|
|
|
This function is used to retrieve all views information.
|
|
|
|
Set the main hash of the views definition $self->{views}.
|
|
Keys are the names of all views retrieved from the current
|
|
database values are the text definition of the views.
|
|
|
|
It then set the main hash as follow:
|
|
|
|
# Definition of the view
|
|
$self->{views}{$table}{text} = $view_infos{$table};
|
|
|
|
=cut
|
|
|
|
sub _views
|
|
{
|
|
my ($self) = @_;
|
|
|
|
# Get all views information
|
|
print STDERR "Retrieving views information...\n" if ($self->{debug});
|
|
my %view_infos = $self->_get_views();
|
|
|
|
if ($self->{showtableid}) {
|
|
my $i = 1;
|
|
foreach my $table (sort keys %view_infos) {
|
|
print STDERR "[$i] $table\n";
|
|
$i++;
|
|
}
|
|
return;
|
|
}
|
|
|
|
print STDERR "Min view dump set to $self->{min}.\n" if ($self->{debug} && $self->{min});
|
|
print STDERR "Max view dump set to $self->{max}.\n" if ($self->{debug} && $self->{max});
|
|
my $i = 1;
|
|
foreach my $table (sort keys %view_infos) {
|
|
# Set the table information for each class found
|
|
# Jump to desired extraction
|
|
next if ($table =~ /\$/);
|
|
$i++, next if ($self->{min} && ($i < $self->{min}));
|
|
last if ($self->{max} && ($i > $self->{max}));
|
|
next if (($#{$self->{limited}} >= 0) && !grep(/^$table$/, @{$self->{limited}}));
|
|
print STDERR "[$i] " if ($self->{max} || $self->{min});
|
|
print STDERR "Scanning $table...\n" if ($self->{debug});
|
|
$self->{views}{$table}{text} = $view_infos{$table};
|
|
## Added JFR : 3/3/02 : Retrieve also aliases from views
|
|
$self->{views}{$table}{alias}= $view_infos{$table}{alias};
|
|
$i++;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
=head2 _get_sql_data
|
|
|
|
Returns a string containing the entire SQL Schema definition compatible with PostgreSQL
|
|
|
|
=cut
|
|
|
|
sub _get_sql_data
|
|
{
|
|
my ($self, $outfile) = @_;
|
|
|
|
my $sql_header = "-- Generated by Ora2Pg, the Oracle database Schema converter, version $VERSION\n";
|
|
$sql_header .= "-- Copyright 2000 Gilles DAROLD. All rights reserved.\n";
|
|
$sql_header .= "--\n";
|
|
$sql_header .= "-- This program is free software; you can redistribute it and/or modify it under\n";
|
|
$sql_header .= "-- the same terms as Perl itself.\n\n";
|
|
$sql_header .= "BEGIN TRANSACTION;\n\n";
|
|
|
|
my $sql_output = "";
|
|
|
|
# Process view only
|
|
if ($self->{type} eq 'VIEW') {
|
|
print STDERR "Add views definition...\n" if ($self->{debug});
|
|
if ($self->{export_schema}) {
|
|
$sql_output .= "SET search_path = $self->{schema}, pg_catalog;\n\n";
|
|
}
|
|
foreach my $view (sort keys %{$self->{views}}) {
|
|
$self->{views}{$view}{text} =~ s/\s*WITH\s+.*$//s;
|
|
if (!@{$self->{views}{$view}{alias}}) {
|
|
$sql_output .= "CREATE VIEW \"\L$view\E\" AS \L$self->{views}{$view}{text};\n";
|
|
} else {
|
|
$sql_output .= "CREATE VIEW \"\L$view\E\" (";
|
|
my $count = 0;
|
|
foreach my $d (@{$self->{views}{$view}{alias}}) {
|
|
if ($count == 0) {
|
|
$count = 1;
|
|
} else {
|
|
$sql_output .= ", "
|
|
}
|
|
$sql_output .= "\"\L$d->[0]\E\"";
|
|
}
|
|
$sql_output .= ") AS \L$self->{views}{$view}{text};\n";
|
|
}
|
|
}
|
|
|
|
if (!$sql_output) {
|
|
$sql_output = "-- Nothing found of type $self->{type}\n";
|
|
} else {
|
|
$sql_output .= "\n";
|
|
}
|
|
|
|
return $sql_header . $sql_output . "\nEND TRANSACTION;\n";
|
|
}
|
|
|
|
# Process grant only
|
|
if ($self->{type} eq 'GRANT') {
|
|
print STDERR "Add groups/users privileges...\n" if ($self->{debug});
|
|
if ($self->{export_schema}) {
|
|
$sql_output .= "SET search_path = $self->{schema}, pg_catalog;\n\n";
|
|
}
|
|
# Add groups definition
|
|
my $groups = '';
|
|
my @users = ();
|
|
my @grps = ();
|
|
foreach (@{$self->{users}}) {
|
|
next if (exists $self->{groups}{"$_"});
|
|
next if ($self->{schema} && ($_ ne $self->{schema}));
|
|
$sql_header .= "CREATE USER $_ WITH PASSWORD 'secret';\n";
|
|
}
|
|
foreach my $role (sort keys %{$self->{groups}}) {
|
|
push(@grps, $role);
|
|
$groups .= "CREATE GROUP $role WITH USER " . join(',', @{$self->{groups}{$role}}) . ";\n";
|
|
}
|
|
$sql_header .= "\n" . $groups . "\n";
|
|
|
|
# Add privilege definition
|
|
my $grants = '';
|
|
foreach my $table (sort keys %{$self->{grants}}) {
|
|
$grants .= "REVOKE ALL ON $table FROM PUBLIC;\n";
|
|
foreach my $priv (sort keys %{$self->{grants}{$table}}) {
|
|
my $usr = '';
|
|
my $grp = '';
|
|
foreach my $user (@{$self->{grants}{$table}{$priv}}) {
|
|
if (grep(/^$user$/, @grps)) {
|
|
$grp .= "$user,";
|
|
} else {
|
|
$usr .= "$user,";
|
|
}
|
|
}
|
|
$grp =~ s/,$//;
|
|
$usr =~ s/,$//;
|
|
if ($grp) {
|
|
$grants .= "GRANT $priv ON $table TO GROUP $grp;\n";
|
|
} else {
|
|
$grants .= "GRANT $priv ON $table TO $usr;\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$grants) {
|
|
$$grants = "-- Nothing found of type $self->{type}\n";
|
|
}
|
|
|
|
$sql_output .= "\n" . $grants . "\n";
|
|
|
|
return $sql_header . $sql_output . "\nEND TRANSACTION;\n";
|
|
}
|
|
|
|
# Process sequences only
|
|
if ($self->{type} eq 'SEQUENCE') {
|
|
print STDERR "Add sequences definition...\n" if ($self->{debug});
|
|
foreach my $seq (@{$self->{sequences}}) {
|
|
my $cache = 1;
|
|
$cache = $seq->[5] if ($seq->[5]);
|
|
my $cycle = '';
|
|
$cycle = ' CYCLE' if ($seq->[6] eq 'Y');
|
|
if ($seq->[2] > 2147483646) {
|
|
$seq->[2] = 2147483646;
|
|
}
|
|
if ($seq->[1] < -2147483647) {
|
|
$seq->[1] = -2147483647;
|
|
}
|
|
if ($self->{export_schema}) {
|
|
$sql_output .= "SET search_path = $self->{schema}, pg_catalog;\n\n";
|
|
}
|
|
$sql_output .= "CREATE SEQUENCE \"\L$seq->[0]\E\" INCREMENT $seq->[3] MINVALUE $seq->[1] MAXVALUE $seq->[2] START $seq->[4] CACHE $cache$cycle;\n";
|
|
}
|
|
|
|
if (!$sql_output) {
|
|
$sql_output = "-- Nothing found of type $self->{type}\n";
|
|
}
|
|
|
|
return $sql_header . $sql_output . "\nEND TRANSACTION;\n";
|
|
}
|
|
|
|
# Process triggers only. PL/SQL code is pre-converted to PL/PGSQL following
|
|
# the recommendation of Roberto Mello, see http://techdocs.postgresql.org/
|
|
# Oracle's PL/SQL to PostgreSQL PL/pgSQL HOWTO
|
|
if ($self->{type} eq 'TRIGGER') {
|
|
print STDERR "Add triggers definition...\n" if ($self->{debug});
|
|
foreach my $trig (@{$self->{triggers}}) {
|
|
$trig->[1] =~ s/ EACH ROW//;
|
|
chop($trig->[4]);
|
|
chomp($trig->[4]);
|
|
# Check if it's a pg rule
|
|
if ($trig->[1] =~ /INSTEAD OF/) {
|
|
$sql_output .= "CREATE RULE \"\L$trig->[0]\E\" AS\n\tON \L$trig->[3]\E\n\tDO INSTEAD\n(\n\t$trig->[4]\n);\n\n";
|
|
} else {
|
|
|
|
#--------------------------------------------
|
|
# PL/SQL to PL/PGSQL code conversion
|
|
#--------------------------------------------
|
|
# Change NVL to COALESCE
|
|
#$trig->[4] =~ s/NVL\(/coalesce(/igs;
|
|
# Change trunc() to date_trunc('day', field)
|
|
# Trunc is replaced with date_trunc if we find date in the name of the value
|
|
# because Oracle have the same trunc function on number and date type :-(((
|
|
#$trig->[4] =~ s/trunc\(([^\)]*date[^\)]*)\)/date_trunc('day', $1)/igs;
|
|
# Change SYSDATE to 'now'
|
|
#$trig->[4] =~ s/SYSDATE/CURRENT_TIMESTAMP/igs;
|
|
# Change nextval on sequence
|
|
# Oracle's sequence grammar is sequence_name.nextval.
|
|
# Postgres's sequence grammar is nextval('sequence_name').
|
|
#$trig->[4] =~ s/(\w+)\.nextval/nextval('$1')/isg;
|
|
# Escaping Single Quotes
|
|
#$trig->[4] =~ s/'/''/sg;
|
|
|
|
if ($self->{export_schema}) {
|
|
$sql_output .= "SET search_path = $self->{schema}, pg_catalog;\n\n";
|
|
}
|
|
$sql_output .= "CREATE FUNCTION pg_fct_\L$trig->[0]\E () RETURNS TRIGGER AS '\n$trig->[4]\n' LANGUAGE 'plpgsql'\n\n";
|
|
$sql_output .= "CREATE TRIGGER \L$trig->[0]\E\n\t$trig->[1] $trig->[2] ON \"\L$trig->[3]\E\" FOR EACH ROW\n\tEXECUTE PROCEDURE pg_fct_\L$trig->[0]\E();\n\n";
|
|
}
|
|
}
|
|
|
|
if (!$sql_output) {
|
|
$sql_output = "-- Nothing found of type $self->{type}\n";
|
|
}
|
|
|
|
return $sql_header . $sql_output . "\nEND TRANSACTION;\n";
|
|
}
|
|
|
|
# Process functions only
|
|
if (($self->{type} eq 'FUNCTION') || ($self->{type} eq 'PROCEDURE')) {
|
|
print STDERR "Add functions definition...\n" if ($self->{debug});
|
|
foreach my $fct (sort keys %{$self->{functions}}) {
|
|
my @tmp = ();
|
|
if ($self->{functions}{$fct} =~ /^[\s\t]*function/is) {
|
|
#$self->{functions}{$fct} =~ /function[\s\n\t]*$fct[\s\n\t]*\(([^\)]*)\)/is;
|
|
$self->{functions}{$fct} =~ /function[\s\n\t]*$fct[\s\n\t]*\(([^\)]*)\)[\s\n\t]*is/is;
|
|
@tmp = split(/\n/, $1);
|
|
} else {
|
|
#$self->{functions}{$fct} =~ /procedure[\s\n\t]*$fct[\s\n\t]*\(([^\)]*)\)/is;
|
|
$self->{functions}{$fct} =~ /procedure[\s\n\t]*$fct[\s\n\t]*\(([^\)]*)\)[\s\n\t]*is\W/is;
|
|
@tmp = split(/\n/, $1);
|
|
}
|
|
my @argu = split(/,/, join(' ', @tmp));
|
|
map { s/^.* in //is } @argu;
|
|
map { s/^.* out //is } @argu;
|
|
map { $_ = $self->_sql_type(uc($_)) } @argu;
|
|
$self->{functions}{$fct} =~ /return ([^\s]*) is/is;
|
|
$self->{functions}{$fct} = "-- Oracle function declaration, please edit to match PostgreSQL syntax.\n$self->{functions}{$fct}";
|
|
$sql_output .= "-- PostgreSQL possible function declaration, please edit to match your needs.\nCREATE FUNCTION \L$fct\E(" . join(',', @argu) . ") RETURNS " . $self->_sql_type(uc($1)) . " AS '\n$self->{functions}{$fct}\n' LANGUAGE 'sql'\n\n";
|
|
}
|
|
|
|
if (!$sql_output) {
|
|
$sql_output = "-- Nothing found of type $self->{type}\n";
|
|
}
|
|
|
|
return $sql_header . $sql_output . "\nEND TRANSACTION;\n";
|
|
}
|
|
|
|
# Process functions only
|
|
if ($self->{type} eq 'PACKAGE') {
|
|
print STDERR "Add packages definition...\n" if ($self->{debug});
|
|
foreach my $pkg (sort keys %{$self->{packages}}) {
|
|
$sql_output .= "-- Oracle package '$pkg' declaration, please edit to match PostgreSQL syntax.\n";
|
|
$sql_output .= "$self->{packages}{$pkg}\n";
|
|
$sql_output .= "-- End of Oracle package '$pkg' declaration\n\n";
|
|
}
|
|
|
|
if (!$sql_output) {
|
|
$sql_output = "-- Nothing found of type $self->{type}\n";
|
|
}
|
|
|
|
return $sql_header . $sql_output . "\nEND TRANSACTION;\n";
|
|
}
|
|
|
|
|
|
|
|
# Extract data only
|
|
if (($self->{type} eq 'DATA') || ($self->{type} eq 'COPY')) {
|
|
# Connect the database
|
|
$self->{dbh} = DBI->connect($self->{datasource}, $self->{user}, $self->{password});
|
|
# Check for connection failure
|
|
if (!$self->{dbh}) {
|
|
die "Error : $DBI::err ... $DBI::errstr\n";
|
|
}
|
|
|
|
if (!$self->{dbhdest}) {
|
|
if ($outfile) {
|
|
open(FILE,">$outfile") or die "Can't open $outfile: $!";
|
|
print FILE $sql_header;
|
|
} else {
|
|
print $sql_header;
|
|
}
|
|
} else {
|
|
if ($self->{type} eq 'COPY') {
|
|
open(DBH, "| $PSQL -h $self->{dbhost} -p $self->{dbport} -d $self->{dbname}") or die "Can't open $PSQL command, $!\n";
|
|
}
|
|
}
|
|
|
|
if ($self->{export_schema}) {
|
|
if ($self->{dbhdest}) {
|
|
if ($self->{type} ne 'COPY') {
|
|
my $s = $self->{dbhdest}->prepare("SET search_path = $self->{schema}, pg_catalog") or die $self->{dbhdest}->errstr . "\n";
|
|
$s->execute or die $s->errstr . "\n";
|
|
} else {
|
|
print DBH "SET search_path = $self->{schema}, pg_catalog;\n";
|
|
}
|
|
} else {
|
|
if ($outfile) {
|
|
print FILE "SET search_path = $self->{schema}, pg_catalog;\n";
|
|
} else {
|
|
print "SET search_path = $self->{schema}, pg_catalog;\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach my $table (keys %{$self->{tables}}) {
|
|
print STDERR "Dumping table $table...\n" if ($self->{debug});
|
|
my @tt = ();
|
|
my @nn = ();
|
|
my $s_out = "INSERT INTO \"\L$table\E\" (";
|
|
if ($self->{type} eq 'COPY') {
|
|
$s_out = "\nCOPY \"\L$table\E\" ";
|
|
}
|
|
my @fname = ();
|
|
foreach my $i ( 0 .. $#{$self->{tables}{$table}{field_name}} ) {
|
|
my $fieldname = ${$self->{tables}{$table}{field_name}}[$i];
|
|
if (exists $self->{modify}{"\L$table\E"}) {
|
|
next if (!grep(/$fieldname/i, @{$self->{modify}{"\L$table\E"}}));
|
|
}
|
|
push(@fname, lc($fieldname));
|
|
foreach my $f (@{$self->{tables}{$table}{column_info}}) {
|
|
next if ($f->[0] ne "$fieldname");
|
|
my $type = $self->_sql_type($f->[1], $f->[2], $f->[5], $f->[6]);
|
|
$type = "$f->[1], $f->[2]" if (!$type);
|
|
push(@tt, $type);
|
|
push(@nn, $f->[0]);
|
|
if ($self->{type} ne 'COPY') {
|
|
$s_out .= "\"\L$f->[0]\E\",";
|
|
}
|
|
last;
|
|
}
|
|
}
|
|
if ($self->{type} eq 'COPY') {
|
|
$s_out .= '(' . join(',', @fname) . ") FROM stdin;\n";
|
|
}
|
|
|
|
if ($self->{type} ne 'COPY') {
|
|
$s_out =~ s/,$//;
|
|
$s_out .= ") VALUES (";
|
|
}
|
|
# Extract all data from the current table
|
|
$self->{data_current} = 0;
|
|
$self->{data_end} = 0;
|
|
while ( !$self->{data_end} ) {
|
|
my $sth = $self->_get_data($table, \@nn, \@tt);
|
|
$self->{data_end} = 1 if (!$self->{data_limit});
|
|
my $count = 0;
|
|
my $sql = '';
|
|
if ($self->{type} eq 'COPY') {
|
|
if ($self->{dbhdest}) {
|
|
$sql = $s_out;
|
|
} else {
|
|
if ($outfile) {
|
|
print FILE $s_out;
|
|
} else {
|
|
print $s_out;
|
|
}
|
|
}
|
|
}
|
|
while (my $row = $sth->fetch) {
|
|
if ($self->{type} ne 'COPY') {
|
|
if ($self->{dbhdest}) {
|
|
$sql .= $s_out;
|
|
} else {
|
|
if ($outfile) {
|
|
print FILE $s_out;
|
|
} else {
|
|
print $s_out;
|
|
}
|
|
}
|
|
}
|
|
for (my $i = 0; $i <= $#{$row}; $i++) {
|
|
if ($self->{type} ne 'COPY') {
|
|
if ($tt[$i] =~ /(char|date|time|text)/) {
|
|
$row->[$i] =~ s/'/''/gs;
|
|
if ($row->[$i] ne '') {
|
|
$row->[$i] = "'$row->[$i]'";
|
|
} else {
|
|
$row->[$i] = 'NULL';
|
|
}
|
|
if ($self->{dbhdest}) {
|
|
$sql .= $row->[$i];
|
|
} else {
|
|
if ($outfile) {
|
|
print FILE $row->[$i];
|
|
} else {
|
|
print $row->[$i];
|
|
}
|
|
}
|
|
} else {
|
|
$row->[$i] =~ s/,/./;
|
|
if ($row->[$i] eq '') {
|
|
$row->[$i] = 'NULL';
|
|
}
|
|
if ($self->{dbhdest}) {
|
|
$sql .= $row->[$i];
|
|
} else {
|
|
if ($outfile) {
|
|
print FILE $row->[$i];
|
|
} else {
|
|
print $row->[$i];
|
|
}
|
|
}
|
|
}
|
|
if ($i < $#{$row}) {
|
|
if ($self->{dbhdest}) {
|
|
$sql .= ",";
|
|
} else {
|
|
if ($outfile) {
|
|
print FILE ",";
|
|
} else {
|
|
print ",";
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
# remove end of line
|
|
$row->[$i] =~ s/\n/\\n/gs;
|
|
|
|
if ($tt[$i] !~ /(char|date|time|text)/) {
|
|
$row->[$i] =~ s/,/./;
|
|
}
|
|
if ($row->[$i] eq '') {
|
|
$row->[$i] = '\N';
|
|
}
|
|
if ($self->{dbhdest}) {
|
|
$sql .= $row->[$i];
|
|
} else {
|
|
if ($outfile) {
|
|
print FILE $row->[$i];
|
|
} else {
|
|
print $row->[$i];
|
|
}
|
|
}
|
|
if ($i < $#{$row}) {
|
|
if ($self->{dbhdest}) {
|
|
$sql .= "\t";
|
|
} else {
|
|
if ($outfile) {
|
|
print FILE "\t";
|
|
} else {
|
|
print "\t";
|
|
}
|
|
}
|
|
} else {
|
|
if ($self->{dbhdest}) {
|
|
$sql .= "\n";
|
|
} else {
|
|
if ($outfile) {
|
|
print FILE "\n";
|
|
} else {
|
|
print "\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ($self->{type} ne 'COPY') {
|
|
if ($self->{dbhdest}) {
|
|
$sql .= ");\n";
|
|
} else {
|
|
if ($outfile) {
|
|
print FILE ");\n";
|
|
} else {
|
|
print ");\n";
|
|
}
|
|
}
|
|
}
|
|
$count++;
|
|
}
|
|
if ($self->{type} eq 'COPY') {
|
|
if ($self->{dbhdest}) {
|
|
$sql .= "\\.\n";
|
|
} else {
|
|
if ($outfile) {
|
|
print FILE "\\.\n";
|
|
} else {
|
|
print "\\.\n";
|
|
}
|
|
}
|
|
}
|
|
if ($self->{data_limit}) {
|
|
$self->{data_end} = 1 if ($count+1 < $self->{data_limit});
|
|
}
|
|
# Insert data if we are in online processing mode
|
|
if ($self->{dbhdest}) {
|
|
if ($self->{type} ne 'COPY') {
|
|
my $s = $self->{dbhdest}->prepare($sql) or die $self->{dbhdest}->errstr . "\n";
|
|
$s->execute or die $s->errstr . "\n";
|
|
} else {
|
|
print DBH "$sql";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
# Disconnect from the database
|
|
$self->{dbh}->disconnect() if ($self->{dbh});
|
|
|
|
if (!$self->{dbhdest}) {
|
|
if ($outfile) {
|
|
print FILE "\nEND TRANSACTION;\n";
|
|
} else {
|
|
print "\nEND TRANSACTION;\n";
|
|
}
|
|
}
|
|
|
|
$self->{dbhdest}->disconnect() if ($self->{dbhdest});
|
|
|
|
if ($self->{type} eq 'COPY') {
|
|
close DBH;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
# Dump the database structure
|
|
if ($self->{export_schema}) {
|
|
$sql_output .= "CREATE SCHEMA \L$self->{schema}\E;\n\n";
|
|
$sql_output .= "SET search_path = $self->{schema}, pg_catalog;\n\n";
|
|
}
|
|
foreach my $table (keys %{$self->{tables}}) {
|
|
print STDERR "Dumping table $table...\n" if ($self->{debug});
|
|
$sql_output .= "CREATE ${$self->{tables}{$table}{table_info}}[1] \"\L$table\E\" (\n";
|
|
my $sql_ukey = "";
|
|
my $sql_pkey = "";
|
|
foreach my $i ( 0 .. $#{$self->{tables}{$table}{field_name}} ) {
|
|
foreach my $f (@{$self->{tables}{$table}{column_info}}) {
|
|
next if ($f->[0] ne "${$self->{tables}{$table}{field_name}}[$i]");
|
|
my $type = $self->_sql_type($f->[1], $f->[2], $f->[5], $f->[6]);
|
|
$type = "$f->[1], $f->[2]" if (!$type);
|
|
$sql_output .= "\t\"\L$f->[0]\E\" $type";
|
|
# Set the primary key definition
|
|
foreach my $k (@{$self->{tables}{$table}{primary_key}}) {
|
|
next if ($k ne "$f->[0]");
|
|
$sql_pkey .= "\"\L$k\E\",";
|
|
last;
|
|
}
|
|
if ($f->[4] ne "") {
|
|
$sql_output .= " DEFAULT $f->[4]";
|
|
} elsif (!$f->[3] || ($f->[3] eq 'N')) {
|
|
$sql_output .= " NOT NULL";
|
|
}
|
|
# Set the unique key definition
|
|
foreach my $k (@{$self->{tables}{$table}{unique_key}}) {
|
|
next if ( ($k ne "$f->[0]") || (grep(/^$k$/, @{$self->{tables}{$table}{primary_key}})) );
|
|
$sql_ukey .= "\"\L$k\E\",";
|
|
last;
|
|
}
|
|
$sql_output .= ",\n";
|
|
last;
|
|
}
|
|
}
|
|
$sql_ukey =~ s/,$//;
|
|
$sql_pkey =~ s/,$//;
|
|
$sql_output .= "\tUNIQUE ($sql_ukey),\n" if ($sql_ukey);
|
|
$sql_output .= "\tPRIMARY KEY ($sql_pkey),\n" if ($sql_pkey);
|
|
$sql_output =~ s/,$//;
|
|
$sql_output .= ");\n";
|
|
foreach my $idx (keys %{$self->{tables}{$table}{indexes}}) {
|
|
map { s/^/"/ } @{$self->{tables}{$table}{indexes}{$idx}};
|
|
map { s/$/"/ } @{$self->{tables}{$table}{indexes}{$idx}};
|
|
my $columns = join(',', @{$self->{tables}{$table}{indexes}{$idx}});
|
|
my $unique = '';
|
|
$unique = ' UNIQUE' if ($self->{tables}{$table}{uniqueness}{$idx} eq 'UNIQUE');
|
|
$sql_output .= "CREATE$unique INDEX \L$idx\E ON \"\L$table\E\" (\L$columns\E);\n";
|
|
}
|
|
$sql_output .= "\n";
|
|
}
|
|
|
|
foreach my $table (keys %{$self->{tables}}) {
|
|
print STDERR "Dumping RI $table...\n" if ($self->{debug});
|
|
my $sql_ukey = "";
|
|
my $sql_pkey = "";
|
|
|
|
# Add constraint definition
|
|
my @done = ();
|
|
foreach my $h (@{$self->{tables}{$table}{foreign_key}}) {
|
|
next if (grep(/^$h->[0]$/, @done));
|
|
my $desttable = '';
|
|
foreach (keys %{$self->{tables}{$table}{foreign_link}{$h->[0]}{remote}}) {
|
|
$desttable .= "$_";
|
|
}
|
|
push(@done, $h->[0]);
|
|
$sql_output .= "ALTER TABLE \"\L$table\E\" ADD CONSTRAINT \L$h->[0]\E FOREIGN KEY (" . lc(join(',', @{$self->{tables}{$table}{foreign_link}{$h->[0]}{local}})) . ") REFERENCES \L$desttable\E (" . lc(join(',', @{$self->{tables}{$table}{foreign_link}{$h->[0]}{remote}{$desttable}})) . ")";
|
|
$sql_output .= " MATCH $h->[2]" if ($h->[2]);
|
|
$sql_output .= " ON DELETE $h->[3]";
|
|
$sql_output .= " $h->[4]";
|
|
$sql_output .= " INITIALLY $h->[5];\n";
|
|
|
|
}
|
|
}
|
|
|
|
if (!$sql_output) {
|
|
$sql_output = "-- Nothing found of type TABLE\n";
|
|
}
|
|
|
|
return $sql_header . $sql_output . "\nEND TRANSACTION;\n";
|
|
}
|
|
|
|
|
|
=head2 _get_data TABLE
|
|
|
|
This function implements a Oracle-native data extraction.
|
|
|
|
Return a list of array reference containing the data
|
|
|
|
=cut
|
|
|
|
sub _get_data
|
|
{
|
|
my ($self, $table, $name, $type) = @_;
|
|
|
|
my $str = "SELECT ";
|
|
my $tmp = "SELECT ";
|
|
for my $k (0 .. $#{$name}) {
|
|
if ( $type->[$k] =~ /(date|time)/) {
|
|
$str .= "to_char($name->[$k], 'YYYY-MM-DD HH24:MI:SS'),";
|
|
} else {
|
|
$str .= "$name->[$k],";
|
|
}
|
|
$tmp .= "$name->[$k],";
|
|
}
|
|
$str =~ s/,$//;
|
|
$tmp =~ s/,$//;
|
|
my $tmp2 = $tmp;
|
|
$tmp2 =~ s/SELECT /SELECT ROWNUM as noline,/;
|
|
|
|
# Fix a problem when the table need to be prefixed by the schema
|
|
if ($self->{schema}) {
|
|
$table = "$self->{schema}.$table";
|
|
}
|
|
if ($self->{data_limit}) {
|
|
$str = $tmp . " FROM ( $tmp2 FROM ( $tmp FROM $table) ";
|
|
$str .= " WHERE ROWNUM < ($self->{data_limit} + $self->{data_current})) ";
|
|
$str .= " WHERE noline >= $self->{data_current}";
|
|
} else {
|
|
$str .= " FROM $table";
|
|
}
|
|
$self->{data_current} += $self->{data_limit};
|
|
|
|
# Fix a problem when exporting type LONG and LOB
|
|
$self->{dbh}->{'LongReadLen'} = 1023*1024;
|
|
$self->{dbh}->{'LongTruncOk'} = 1;
|
|
|
|
my $sth = $self->{dbh}->prepare($str) or die $sth->errstr . "\n";
|
|
$sth->execute or die $sth->errstr . "\n";
|
|
|
|
return $sth;
|
|
|
|
}
|
|
|
|
|
|
=head2 _sql_type INTERNAL_TYPE LENGTH PRECISION SCALE
|
|
|
|
This function return the PostgreSQL datatype corresponding to the
|
|
Oracle internal type.
|
|
|
|
=cut
|
|
|
|
sub _sql_type
|
|
{
|
|
my ($self, $type, $len, $precision, $scale) = @_;
|
|
|
|
my %TYPE = (
|
|
# Oracle only has one flexible underlying numeric type, NUMBER.
|
|
# Without precision and scale it is set to PG type float8 to match all needs
|
|
'NUMBER' => 'numeric',
|
|
# CHAR types limit of 2000 bytes with default to 1 if no length is given.
|
|
# PG char type has max length set to 8104 so it should match all needs
|
|
'CHAR' => 'char',
|
|
'NCHAR' => 'char',
|
|
# VARCHAR types the limit is 2000 bytes in Oracle 7 and 4000 in Oracle 8.
|
|
# PG varchar type has max length iset to 8104 so it should match all needs
|
|
'VARCHAR' => 'varchar',
|
|
'NVARCHAR' => 'varchar',
|
|
'VARCHAR2' => 'varchar',
|
|
'NVARCHAR2' => 'varchar',
|
|
# The DATE data type is used to store the date and time information.
|
|
# Pg type timestamp should match all needs
|
|
'DATE' => 'timestamp',
|
|
# Type LONG is like VARCHAR2 but with up to 2Gb.
|
|
# PG type text should match all needs or if you want you could use blob
|
|
'LONG' => 'text', # Character data of variable length
|
|
'LONG RAW' => 'text', # Raw binary data of variable length
|
|
# Types LOB and FILE are like LONG but with up to 4Gb.
|
|
# PG type text should match all needs or if you want you could use blob (large object)
|
|
'CLOB' => 'text', # A large object containing single-byte characters
|
|
'NLOB' => 'text', # A large object containing national character set data
|
|
'BLOB' => 'text', # Binary large object
|
|
'BFILE' => 'text', # Locator for external large binary file
|
|
# The RAW type is presented as hexadecimal characters. The contents are treated as binary data. Limit of 2000 bytes
|
|
# Pg type text should match all needs or if you want you could use blob (large object)
|
|
'RAW' => 'text',
|
|
'ROWID' => 'oid',
|
|
'LONG RAW' => 'text',
|
|
'FLOAT' => 'float8'
|
|
);
|
|
|
|
# Overide the length
|
|
$len = $precision if ( ($type eq 'NUMBER') && $precision );
|
|
|
|
if (exists $TYPE{$type}) {
|
|
if ($len) {
|
|
if ( ($type eq "CHAR") || ($type =~ /VARCHAR/) ) {
|
|
# Type CHAR have default length set to 1
|
|
# Type VARCHAR(2) must have a given length
|
|
$len = 1 if (!$len && ($type eq "CHAR"));
|
|
return "$TYPE{$type}($len)";
|
|
} elsif ($type eq "NUMBER") {
|
|
# This is an integer
|
|
if (!$scale) {
|
|
if ($precision) {
|
|
return "numeric($precision)";
|
|
}
|
|
} else {
|
|
if ($precision) {
|
|
return "decimal($precision,$scale)";
|
|
}
|
|
}
|
|
return "$TYPE{$type}";
|
|
} else {
|
|
return "$TYPE{$type}";
|
|
}
|
|
} else {
|
|
|
|
return $TYPE{$type};
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
=head2 _column_info TABLE OWNER
|
|
|
|
This function implements a Oracle-native column information.
|
|
|
|
Return a list of array reference containing the following informations
|
|
for each column the given a table
|
|
|
|
[(
|
|
column name,
|
|
column type,
|
|
column length,
|
|
nullable column,
|
|
default value
|
|
)]
|
|
|
|
=cut
|
|
|
|
sub _column_info
|
|
{
|
|
my ($self, $table, $owner) = @_;
|
|
|
|
$owner = "AND OWNER='$owner' " if ($owner);
|
|
my $sth = $self->{dbh}->prepare(<<END) or die $self->{dbh}->errstr;
|
|
SELECT COLUMN_NAME, DATA_TYPE, DATA_LENGTH, NULLABLE, DATA_DEFAULT, DATA_PRECISION, DATA_SCALE
|
|
FROM DBA_TAB_COLUMNS
|
|
WHERE TABLE_NAME='$table' $owner
|
|
ORDER BY COLUMN_ID
|
|
END
|
|
$sth->execute or die $sth->errstr;
|
|
my $data = $sth->fetchall_arrayref();
|
|
if ($self->{debug}) {
|
|
foreach my $d (@$data) {
|
|
print STDERR "\t$d->[0] => type:$d->[1] , length:$d->[2], precision:$d->[5], scale:$d->[6], nullable:$d->[3] , default:$d->[4]\n";
|
|
}
|
|
}
|
|
|
|
return @$data;
|
|
|
|
}
|
|
|
|
|
|
=head2 _primary_key TABLE OWNER
|
|
|
|
This function implements a Oracle-native primary key column
|
|
information.
|
|
|
|
Return a list of all column name defined as primary key
|
|
for the given table.
|
|
|
|
=cut
|
|
|
|
sub _primary_key
|
|
{
|
|
my ($self, $table, $owner) = @_;
|
|
|
|
$owner = "AND all_constraints.OWNER='$owner' AND all_cons_columns.OWNER=all_constraints.OWNER" if ($owner);
|
|
my $sth = $self->{dbh}->prepare(<<END) or die $self->{dbh}->errstr;
|
|
SELECT all_cons_columns.COLUMN_NAME
|
|
FROM all_constraints, all_cons_columns
|
|
WHERE all_constraints.CONSTRAINT_TYPE='P'
|
|
AND all_constraints.constraint_name=all_cons_columns.constraint_name
|
|
AND all_constraints.STATUS='ENABLED'
|
|
AND all_constraints.TABLE_NAME='$table' $owner
|
|
ORDER BY all_cons_columns.position
|
|
END
|
|
$sth->execute or die $sth->errstr;
|
|
my @data = ();
|
|
while (my $row = $sth->fetch) {
|
|
push(@data, $row->[0]) if ($row->[0] !~ /\$/);
|
|
}
|
|
return @data;
|
|
}
|
|
|
|
|
|
=head2 _unique_key TABLE OWNER
|
|
|
|
This function implements a Oracle-native unique key column
|
|
information.
|
|
|
|
Return a list of all column name defined as unique key
|
|
for the given table.
|
|
|
|
=cut
|
|
|
|
sub _unique_key
|
|
{
|
|
my($self, $table, $owner) = @_;
|
|
|
|
$owner = "AND all_constraints.OWNER='$owner'" if ($owner);
|
|
my $sth = $self->{dbh}->prepare(<<END) or die $self->{dbh}->errstr;
|
|
SELECT all_cons_columns.COLUMN_NAME
|
|
FROM all_constraints, all_cons_columns
|
|
WHERE all_constraints.CONSTRAINT_TYPE='U'
|
|
AND all_constraints.constraint_name=all_cons_columns.constraint_name
|
|
AND all_constraints.STATUS='ENABLED'
|
|
AND all_constraints.TABLE_NAME='$table' $owner
|
|
ORDER BY all_cons_columns.position
|
|
END
|
|
$sth->execute or die $sth->errstr;
|
|
|
|
my @data = ();
|
|
while (my $row = $sth->fetch) {
|
|
push(@data, $row->[0]) if ($row->[0] !~ /\$/);
|
|
}
|
|
return @data;
|
|
}
|
|
|
|
|
|
=head2 _foreign_key TABLE OWNER
|
|
|
|
This function implements a Oracle-native foreign key reference
|
|
information.
|
|
|
|
Return a list of hash of hash of array reference. Ouuf! Nothing very difficult.
|
|
The first hash is composed of all foreign key name. The second hash just have
|
|
two key known as 'local' and remote' corresponding to the local table where the
|
|
foreign key is defined and the remote table where the key refer.
|
|
|
|
The foreign key name is composed as follow:
|
|
|
|
'local_table_name->remote_table_name'
|
|
|
|
Foreign key data consist in two array representing at the same indice the local
|
|
field and the remote field where the first one refer to the second.
|
|
Just like this:
|
|
|
|
@{$link{$fkey_name}{local}} = @local_columns;
|
|
@{$link{$fkey_name}{remote}} = @remote_columns;
|
|
|
|
=cut
|
|
|
|
sub _foreign_key
|
|
{
|
|
my ($self, $table, $owner) = @_;
|
|
|
|
$owner = "AND OWNER='$owner'" if ($owner);
|
|
my $sth = $self->{dbh}->prepare(<<END) or die $self->{dbh}->errstr;
|
|
SELECT CONSTRAINT_NAME,R_CONSTRAINT_NAME,SEARCH_CONDITION,DELETE_RULE,DEFERRABLE,DEFERRED,R_OWNER
|
|
FROM DBA_CONSTRAINTS
|
|
WHERE CONSTRAINT_TYPE='R'
|
|
AND STATUS='ENABLED'
|
|
AND TABLE_NAME='$table' $owner
|
|
END
|
|
$sth->execute or die $sth->errstr;
|
|
|
|
my @data = ();
|
|
my %link = ();
|
|
my @tab_done = ();
|
|
while (my $row = $sth->fetch) {
|
|
next if (grep(/^$row->[0]$/, @tab_done));
|
|
push(@data, [ @$row ]);
|
|
push(@tab_done, $row->[0]);
|
|
my $sql = "SELECT DISTINCT COLUMN_NAME FROM DBA_CONS_COLUMNS WHERE CONSTRAINT_NAME='$row->[0]' $owner";
|
|
my $sth2 = $self->{dbh}->prepare($sql) or die $self->{dbh}->errstr;
|
|
$sth2->execute or die $sth2->errstr;
|
|
my @done = ();
|
|
while (my $r = $sth2->fetch) {
|
|
if (!grep(/^$r->[0]$/, @done)) {
|
|
push(@{$link{$row->[0]}{local}}, $r->[0]);
|
|
push(@done, $r->[0]);
|
|
}
|
|
}
|
|
$owner = "AND OWNER = '$row->[6]'" if ($owner);
|
|
$sql = "SELECT DISTINCT TABLE_NAME,COLUMN_NAME FROM DBA_CONS_COLUMNS WHERE CONSTRAINT_NAME='$row->[1]' $owner";
|
|
$sth2 = $self->{dbh}->prepare($sql) or die $self->{dbh}->errstr;
|
|
$sth2->execute or die $sth2->errstr;
|
|
@done = ();
|
|
while (my $r = $sth2->fetch) {
|
|
if (!grep(/^$r->[1]$/, @done)) {
|
|
push(@{$link{$row->[0]}{remote}{$r->[0]}}, $r->[1]);
|
|
push(@done, $r->[1]);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
return \%link, \@data;
|
|
}
|
|
|
|
|
|
=head2 _get_users
|
|
|
|
This function implements a Oracle-native users information.
|
|
|
|
Return a hash of all users as an array.
|
|
|
|
=cut
|
|
|
|
sub _get_users
|
|
{
|
|
my($self) = @_;
|
|
|
|
# Retrieve all USERS defined in this database
|
|
my $str = "SELECT USERNAME FROM DBA_USERS";
|
|
if (!$self->{schema}) {
|
|
$str .= " WHERE USERNAME <> 'SYS' AND USERNAME <> 'SYSTEM' AND USERNAME <> 'DBSNMP' AND USERNAME <> 'OUTLN'";
|
|
} else {
|
|
$str .= " WHERE USERNAME = '$self->{schema}'";
|
|
}
|
|
$str .= " ORDER BY USERNAME";
|
|
my $sth = $self->{dbh}->prepare($str) or die $self->{dbh}->errstr;
|
|
|
|
$sth->execute or die $sth->errstr;
|
|
my @users = ();
|
|
while (my $row = $sth->fetch) {
|
|
push(@users, $row->[0]);
|
|
}
|
|
|
|
return \@users;
|
|
}
|
|
|
|
|
|
|
|
=head2 _get_roles
|
|
|
|
This function implements a Oracle-native roles
|
|
information.
|
|
|
|
Return a hash of all groups (roles) as an array of associated users.
|
|
|
|
=cut
|
|
|
|
sub _get_roles
|
|
{
|
|
my($self) = @_;
|
|
|
|
# Retrieve all ROLES defined in this database
|
|
my $str = "SELECT GRANTED_ROLE,GRANTEE FROM DBA_ROLE_PRIVS WHERE GRANTEE NOT IN (select distinct role from dba_roles)";
|
|
if (!$self->{schema}) {
|
|
$str .= " AND GRANTEE <> 'SYS' AND GRANTEE <> 'SYSTEM' AND GRANTEE <> 'DBSNMP' AND GRANTEE <> 'OUTLN'";
|
|
} else {
|
|
$str .= " AND GRANTEE = '$self->{schema}'";
|
|
}
|
|
my $sth = $self->{dbh}->prepare($str) or die $self->{dbh}->errstr;
|
|
|
|
$sth->execute or die $sth->errstr;
|
|
my %roles = ();
|
|
while (my $row = $sth->fetch) {
|
|
push(@{$roles{"$row->[0]"}}, $row->[1]);
|
|
}
|
|
|
|
return \%roles;
|
|
}
|
|
|
|
|
|
=head2 _get_all_grants
|
|
|
|
This function implements a Oracle-native user privilege
|
|
information.
|
|
|
|
Return a hash of all tables grants as an array of associated users.
|
|
|
|
=cut
|
|
|
|
sub _get_all_grants
|
|
{
|
|
my($self) = @_;
|
|
|
|
my @PG_GRANTS = ('DELETE', 'INSERT', 'SELECT', 'UPDATE');
|
|
|
|
# Retrieve all ROLES defined in this database
|
|
my $str = "SELECT table_name,privilege,grantee FROM DBA_TAB_PRIVS";
|
|
if ($self->{schema}) {
|
|
$str .= " WHERE GRANTEE = '$self->{schema}'";
|
|
} else {
|
|
$str .= " WHERE GRANTEE <> 'SYS' AND GRANTEE <> 'SYSTEM' AND GRANTEE <> 'DBSNMP' AND GRANTEE <> 'OUTLN'";
|
|
}
|
|
$str .= " ORDER BY TABLE_NAME";
|
|
|
|
my $sth = $self->{dbh}->prepare($str) or die $self->{dbh}->errstr;
|
|
|
|
$sth->execute or die $sth->errstr;
|
|
my %grants = ();
|
|
while (my $row = $sth->fetch) {
|
|
push(@{$grants{"$row->[0]"}{"$row->[1]"}}, $row->[2]) if (grep(/$row->[1]/, @PG_GRANTS));
|
|
}
|
|
|
|
return \%grants;
|
|
}
|
|
|
|
|
|
|
|
=head2 _get_indexes TABLE OWNER
|
|
|
|
This function implements a Oracle-native indexes information.
|
|
|
|
Return hash of array containing all unique index and a hash of
|
|
array of all indexes name which are not primary keys for the
|
|
given table.
|
|
|
|
=cut
|
|
|
|
sub _get_indexes
|
|
{
|
|
my ($self, $table, $owner) = @_;
|
|
|
|
my $sub_owner = '';
|
|
if ($owner) {
|
|
$owner = "AND dba_indexes.OWNER='$owner' AND dba_ind_columns.INDEX_OWNER=dba_indexes.OWNER";
|
|
$sub_owner = "AND OWNER=dba_indexes.TABLE_OWNER";
|
|
}
|
|
# Retrieve all indexes
|
|
my $sth = $self->{dbh}->prepare(<<END) or die $self->{dbh}->errstr;
|
|
SELECT DISTINCT dba_ind_columns.INDEX_NAME, dba_ind_columns.COLUMN_NAME, dba_indexes.UNIQUENESS
|
|
FROM dba_ind_columns, dba_indexes
|
|
WHERE dba_ind_columns.TABLE_NAME='$table' $owner
|
|
AND dba_indexes.INDEX_NAME=dba_ind_columns.INDEX_NAME
|
|
AND dba_ind_columns.INDEX_NAME NOT IN (SELECT CONSTRAINT_NAME FROM all_constraints WHERE TABLE_NAME='$table' $sub_owner)
|
|
END
|
|
$sth->execute or die $sth->errstr;
|
|
|
|
my %data = ();
|
|
my %unique = ();
|
|
while (my $row = $sth->fetch) {
|
|
$unique{$row->[0]} = $row->[2];
|
|
push(@{$data{$row->[0]}}, $row->[1]);
|
|
}
|
|
|
|
return \%unique, \%data;
|
|
}
|
|
|
|
|
|
=head2 _get_sequences
|
|
|
|
This function implements a Oracle-native sequences
|
|
information.
|
|
|
|
Return a hash of array of sequence name with MIN_VALUE, MAX_VALUE,
|
|
INCREMENT and LAST_NUMBER for the given table.
|
|
|
|
=cut
|
|
|
|
sub _get_sequences
|
|
{
|
|
my($self) = @_;
|
|
|
|
# Retrieve all indexes
|
|
my $str = "SELECT DISTINCT SEQUENCE_NAME, MIN_VALUE, MAX_VALUE, INCREMENT_BY, LAST_NUMBER, CACHE_SIZE, CYCLE_FLAG FROM DBA_SEQUENCES";
|
|
if (!$self->{schema}) {
|
|
$str .= " WHERE SEQUENCE_OWNER <> 'SYS' AND SEQUENCE_OWNER <> 'SYSTEM' AND SEQUENCE_OWNER <> 'DBSNMP' AND SEQUENCE_OWNER <> 'OUTLN'";
|
|
} else {
|
|
$str .= " WHERE SEQUENCE_OWNER = '$self->{schema}'";
|
|
}
|
|
my $sth = $self->{dbh}->prepare($str) or die $self->{dbh}->errstr;
|
|
$sth->execute or die $sth->errstr;
|
|
|
|
my @seqs = ();
|
|
while (my $row = $sth->fetch) {
|
|
push(@seqs, [ @$row ]);
|
|
}
|
|
|
|
return \@seqs;
|
|
}
|
|
|
|
|
|
=head2 _get_views
|
|
|
|
This function implements a Oracle-native views information.
|
|
|
|
Return a hash of view name with the SQL query it is based on.
|
|
|
|
=cut
|
|
|
|
sub _get_views
|
|
{
|
|
my($self) = @_;
|
|
|
|
# Retrieve all views
|
|
my $str = "SELECT VIEW_NAME,TEXT FROM DBA_VIEWS";
|
|
if (!$self->{schema}) {
|
|
$str .= " WHERE OWNER <> 'SYS' AND OWNER <> 'SYSTEM' AND OWNER <> 'DBSNMP' AND OWNER <> 'OUTLN'";
|
|
} else {
|
|
$str .= " WHERE OWNER = '$self->{schema}'";
|
|
}
|
|
my $sth = $self->{dbh}->prepare($str) or die $self->{dbh}->errstr;
|
|
$sth->execute or die $sth->errstr;
|
|
|
|
my %data = ();
|
|
while (my $row = $sth->fetch) {
|
|
$data{$row->[0]} = $row->[1];
|
|
@{$data{$row->[0]}{alias}} = $self->_alias_info ($row->[0]);
|
|
}
|
|
|
|
return %data;
|
|
}
|
|
|
|
=head2 _alias_info
|
|
|
|
This function implements a Oracle-native column information.
|
|
|
|
Return a list of array reference containing the following informations
|
|
for each alias of the given view
|
|
|
|
[(
|
|
column name,
|
|
column id
|
|
)]
|
|
|
|
=cut
|
|
|
|
sub _alias_info
|
|
{
|
|
my ($self, $view) = @_;
|
|
|
|
my $sth = $self->{dbh}->prepare(<<END) or die $self->{dbh}->errstr;
|
|
SELECT COLUMN_NAME, COLUMN_ID
|
|
FROM DBA_TAB_COLUMNS
|
|
WHERE TABLE_NAME='$view'
|
|
END
|
|
$sth->execute or die $sth->errstr;
|
|
my $data = $sth->fetchall_arrayref();
|
|
if ($self->{debug}) {
|
|
foreach my $d (@$data) {
|
|
print STDERR "\t$d->[0] => column id:$d->[1]\n";
|
|
}
|
|
}
|
|
|
|
return @$data;
|
|
|
|
}
|
|
|
|
=head2 _get_triggers
|
|
|
|
This function implements a Oracle-native triggers information.
|
|
|
|
Return an array of refarray of all triggers informations
|
|
|
|
=cut
|
|
|
|
sub _get_triggers
|
|
{
|
|
my($self) = @_;
|
|
|
|
# Retrieve all indexes
|
|
my $str = "SELECT TRIGGER_NAME, TRIGGER_TYPE, TRIGGERING_EVENT, TABLE_NAME, TRIGGER_BODY FROM DBA_TRIGGERS WHERE STATUS='ENABLED'";
|
|
if (!$self->{schema}) {
|
|
$str .= " AND OWNER <> 'SYS' AND OWNER <> 'SYSTEM' AND OWNER <> 'DBSNMP' AND OWNER <> 'OUTLN'";
|
|
} else {
|
|
$str .= " AND OWNER = '$self->{schema}'";
|
|
}
|
|
my $sth = $self->{dbh}->prepare($str) or die $self->{dbh}->errstr;
|
|
$sth->execute or die $sth->errstr;
|
|
|
|
my @triggers = ();
|
|
while (my $row = $sth->fetch) {
|
|
push(@triggers, [ @$row ]);
|
|
}
|
|
|
|
return \@triggers;
|
|
}
|
|
|
|
|
|
=head2 _get_functions
|
|
|
|
This function implements a Oracle-native functions information.
|
|
|
|
Return a hash of all function name with their PLSQL code
|
|
|
|
=cut
|
|
|
|
sub _get_functions
|
|
{
|
|
my($self, $type) = @_;
|
|
|
|
# Retrieve all indexes
|
|
my $str = "SELECT DISTINCT OBJECT_NAME,OWNER FROM DBA_OBJECTS WHERE OBJECT_TYPE='$type' AND STATUS='VALID'";
|
|
if (!$self->{schema}) {
|
|
$str .= " AND OWNER <> 'SYS' AND OWNER <> 'SYSTEM' AND OWNER <> 'DBSNMP' AND OWNER <> 'OUTLN'";
|
|
} else {
|
|
$str .= " AND OWNER = '$self->{schema}'";
|
|
}
|
|
my $sth = $self->{dbh}->prepare($str) or die $self->{dbh}->errstr;
|
|
$sth->execute or die $sth->errstr;
|
|
|
|
my %functions = ();
|
|
my @fct_done = ();
|
|
while (my $row = $sth->fetch) {
|
|
next if (grep(/^$row->[0]$/, @fct_done));
|
|
push(@fct_done, $row->[0]);
|
|
my $sql = "SELECT TEXT FROM DBA_SOURCE WHERE OWNER='$row->[1]' AND NAME='$row->[0]' ORDER BY LINE";
|
|
my $sth2 = $self->{dbh}->prepare($sql) or die $self->{dbh}->errstr;
|
|
$sth2->execute or die $sth2->errstr;
|
|
while (my $r = $sth2->fetch) {
|
|
$functions{"$row->[0]"} .= $r->[0];
|
|
}
|
|
}
|
|
|
|
return \%functions;
|
|
}
|
|
|
|
|
|
=head2 _get_packages
|
|
|
|
This function implements a Oracle-native packages information.
|
|
|
|
Return a hash of all function name with their PLSQL code
|
|
|
|
=cut
|
|
|
|
sub _get_packages
|
|
{
|
|
my ($self) = @_;
|
|
|
|
# Retrieve all indexes
|
|
my $str = "SELECT DISTINCT OBJECT_NAME,OWNER FROM DBA_OBJECTS WHERE OBJECT_TYPE='PACKAGE' AND STATUS='VALID'";
|
|
if (!$self->{schema}) {
|
|
$str .= " AND OWNER <> 'SYS' AND OWNER <> 'SYSTEM' AND OWNER <> 'DBSNMP' AND OWNER <> 'OUTLN'";
|
|
} else {
|
|
$str .= " AND OWNER = '$self->{schema}'";
|
|
}
|
|
|
|
my $sth = $self->{dbh}->prepare($str) or die $self->{dbh}->errstr;
|
|
$sth->execute or die $sth->errstr;
|
|
|
|
my %packages = ();
|
|
my @fct_done = ();
|
|
while (my $row = $sth->fetch) {
|
|
print STDERR "\tFound Package: $row->[0]\n" if ($self->{debug});
|
|
next if (grep(/^$row->[0]$/, @fct_done));
|
|
push(@fct_done, $row->[0]);
|
|
my $sql = "SELECT TEXT FROM DBA_SOURCE WHERE OWNER='$row->[1]' AND NAME='$row->[0]' AND (TYPE='PACKAGE' OR TYPE='PACKAGE BODY') ORDER BY TYPE, LINE";
|
|
my $sth2 = $self->{dbh}->prepare($sql) or die $self->{dbh}->errstr;
|
|
$sth2->execute or die $sth2->errstr;
|
|
while (my $r = $sth2->fetch) {
|
|
$packages{"$row->[0]"} .= $r->[0];
|
|
}
|
|
}
|
|
|
|
return \%packages;
|
|
}
|
|
|
|
|
|
|
|
=head2 _table_info
|
|
|
|
This function retrieve all Oracle-native tables information.
|
|
|
|
Return a handle to a DB query statement
|
|
|
|
=cut
|
|
|
|
|
|
sub _table_info
|
|
{
|
|
my $self = shift;
|
|
|
|
my $sql = "SELECT
|
|
NULL TABLE_CAT,
|
|
at.OWNER TABLE_SCHEM,
|
|
at.TABLE_NAME,
|
|
tc.TABLE_TYPE,
|
|
tc.COMMENTS REMARKS
|
|
from ALL_TABLES at, ALL_TAB_COMMENTS tc
|
|
where at.OWNER = tc.OWNER
|
|
and at.TABLE_NAME = tc.TABLE_NAME
|
|
";
|
|
|
|
if ($self->{schema}) {
|
|
$sql .= " and at.OWNER='$self->{schema}'";
|
|
} else {
|
|
$sql .= "AND at.OWNER <> 'SYS' AND at.OWNER <> 'SYSTEM' AND at.OWNER <> 'DBSNMP' AND at.OWNER <> 'OUTLN'";
|
|
}
|
|
$sql .= " order by tc.TABLE_TYPE, at.OWNER, at.TABLE_NAME";
|
|
my $sth = $self->{dbh}->prepare( $sql ) or return undef;
|
|
$sth->execute or return undef;
|
|
$sth;
|
|
}
|
|
|
|
1;
|
|
|
|
__END__
|
|
|
|
|
|
=head1 AUTHOR
|
|
|
|
Gilles Darold <gilles@darold.net>
|
|
|
|
|
|
=head1 COPYRIGHT
|
|
|
|
Copyright (c) 2001 Gilles Darold - All rights reserved.
|
|
|
|
This program is free software; you can redistribute it and/or modify it under
|
|
the same terms as Perl itself.
|
|
|
|
|
|
=head1 BUGS
|
|
|
|
This perl module is in the same state as my knowledge regarding database,
|
|
it can move and not be compatible with older version so I will do my best
|
|
to give you official support for Ora2Pg. Your volontee to help construct
|
|
it and your contribution are welcome.
|
|
|
|
|
|
=head1 SEE ALSO
|
|
|
|
L<DBI>, L<DBD::Oracle>, L<DBD::Pg>
|
|
|
|
|
|
=head1 ACKNOWLEDGEMENTS
|
|
|
|
Thanks to Jason Servetar who decided me to implement data extraction.
|
|
|
|
=cut
|
|
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|