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@ -1,107 +1,110 @@ |
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<HTML> |
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<HEAD> |
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<TITLE>Ora2Pg - Oracle to PostgreSQL database schema converter</TITLE> |
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<LINK REV="made" HREF="mailto:root@porky.devel.redhat.com"> |
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<LINK REV="made" HREF="mailto:darold@localhost.localdomain"> |
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</HEAD> |
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<BODY> |
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<A NAME="__index__"></A> |
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<!-- INDEX BEGIN --> |
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<UL> |
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<LI><A HREF="#NAME">NAME</A> |
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<LI><A HREF="#SYNOPSIS">SYNOPSIS</A> |
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<LI><A HREF="#DESCRIPTION">DESCRIPTION</A> |
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<LI><A HREF="#ABSTRACT">ABSTRACT</A> |
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<LI><A HREF="#REQUIREMENT">REQUIREMENT</A> |
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<LI><A HREF="#PUBLIC_METHODS">PUBLIC METHODS</A> |
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<LI><A HREF="#name">NAME</A></LI> |
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<LI><A HREF="#synopsis">SYNOPSIS</A></LI> |
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<LI><A HREF="#description">DESCRIPTION</A></LI> |
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<LI><A HREF="#abstract">ABSTRACT</A></LI> |
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<LI><A HREF="#requirement">REQUIREMENT</A></LI> |
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<LI><A HREF="#public methods">PUBLIC METHODS</A></LI> |
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<UL> |
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<LI><A HREF="#new_HASH_OPTIONS">new HASH_OPTIONS</A> |
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<LI><A HREF="#export_sql_FILENAME">export_sql FILENAME</A> |
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<LI><A HREF="#new hash_options">new HASH_OPTIONS</A></LI> |
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<LI><A HREF="#export_data filename">export_data FILENAME</A></LI> |
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<LI><A HREF="#export_sql filename">export_sql FILENAME</A></LI> |
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<LI><A HREF="#send_to_pgdb dest_datasrc dest_user dest_passwd">send_to_pgdb DEST_DATASRC DEST_USER DEST_PASSWD</A></LI> |
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<LI><A HREF="#modify_struct table_name arrayof_fieldname">modify_struct TABLE_NAME ARRAYOF_FIELDNAME</A></LI> |
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</UL> |
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<LI><A HREF="#PRIVATE_METHODS">PRIVATE METHODS</A> |
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<LI><A HREF="#private methods">PRIVATE METHODS</A></LI> |
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<UL> |
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<LI><A HREF="#_init_HASH_OPTIONS">_init HASH_OPTIONS</A> |
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<LI><A HREF="#_grants">_grants</A> |
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<LI><A HREF="#_sequences">_sequences</A> |
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<LI><A HREF="#_triggers">_triggers</A> |
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<LI><A HREF="#_functions">_functions</A> |
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<LI><A HREF="#_tables">_tables</A> |
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<LI><A HREF="#_views">_views</A> |
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<LI><A HREF="#_get_sql_data">_get_sql_data</A> |
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<LI><A HREF="#_sql_type_INTERNAL_TYPE_LENGTH">_sql_type INTERNAL_TYPE LENGTH</A> |
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<LI><A HREF="#_column_info_TABLE">_column_info TABLE</A> |
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<LI><A HREF="#_primary_key_TABLE">_primary_key TABLE</A> |
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<LI><A HREF="#_unique_key_TABLE">_unique_key TABLE</A> |
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<LI><A HREF="#_foreign_key_TABLE">_foreign_key TABLE</A> |
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<LI><A HREF="#_get_users">_get_users</A> |
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<LI><A HREF="#_get_roles">_get_roles</A> |
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<LI><A HREF="#_get_all_grants">_get_all_grants</A> |
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<LI><A HREF="#_get_indexes_TABLE">_get_indexes TABLE</A> |
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<LI><A HREF="#_get_sequences">_get_sequences</A> |
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<LI><A HREF="#_get_views">_get_views</A> |
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<LI><A HREF="#_get_triggers">_get_triggers</A> |
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<LI><A HREF="#_get_functions">_get_functions</A> |
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<LI><A HREF="#_table_info">_table_info</A> |
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<LI><A HREF="#_init hash_options">_init HASH_OPTIONS</A></LI> |
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<LI><A HREF="#_grants">_grants</A></LI> |
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<LI><A HREF="#_sequences">_sequences</A></LI> |
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<LI><A HREF="#_triggers">_triggers</A></LI> |
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<LI><A HREF="#_functions">_functions</A></LI> |
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<LI><A HREF="#_packages">_packages</A></LI> |
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<LI><A HREF="#_tables">_tables</A></LI> |
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<LI><A HREF="#_views">_views</A></LI> |
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<LI><A HREF="#_get_sql_data">_get_sql_data</A></LI> |
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<LI><A HREF="#_get_data table">_get_data TABLE</A></LI> |
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<LI><A HREF="#_sql_type internal_type length precision scale">_sql_type INTERNAL_TYPE LENGTH PRECISION SCALE</A></LI> |
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<LI><A HREF="#_column_info table">_column_info TABLE</A></LI> |
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<LI><A HREF="#_primary_key table">_primary_key TABLE</A></LI> |
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<LI><A HREF="#_unique_key table">_unique_key TABLE</A></LI> |
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<LI><A HREF="#_foreign_key table">_foreign_key TABLE</A></LI> |
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<LI><A HREF="#_get_users">_get_users</A></LI> |
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<LI><A HREF="#_get_roles">_get_roles</A></LI> |
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<LI><A HREF="#_get_all_grants">_get_all_grants</A></LI> |
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<LI><A HREF="#_get_indexes table">_get_indexes TABLE</A></LI> |
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<LI><A HREF="#_get_sequences">_get_sequences</A></LI> |
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<LI><A HREF="#_get_views">_get_views</A></LI> |
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<LI><A HREF="#_alias_info">_alias_info</A></LI> |
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<LI><A HREF="#_get_triggers">_get_triggers</A></LI> |
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<LI><A HREF="#_get_functions">_get_functions</A></LI> |
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<LI><A HREF="#_get_packages">_get_packages</A></LI> |
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<LI><A HREF="#_table_info">_table_info</A></LI> |
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</UL> |
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<LI><A HREF="#AUTHOR">AUTHOR</A> |
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<LI><A HREF="#COPYRIGHT">COPYRIGHT</A> |
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<LI><A HREF="#BUGS">BUGS</A> |
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<LI><A HREF="#SEE_ALSO">SEE ALSO</A> |
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<LI><A HREF="#author">AUTHOR</A></LI> |
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<LI><A HREF="#copyright">COPYRIGHT</A></LI> |
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<LI><A HREF="#bugs">BUGS</A></LI> |
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<LI><A HREF="#see also">SEE ALSO</A></LI> |
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<LI><A HREF="#acknowledgements">ACKNOWLEDGEMENTS</A></LI> |
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</UL> |
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<!-- INDEX END --> |
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<HR> |
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<P> |
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<H1><A NAME="NAME">NAME</A></H1> |
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<P> |
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Ora2Pg - Oracle to PostgreSQL database schema converter |
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<H1><A NAME="name">NAME</A></H1> |
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<P>Ora2Pg - Oracle to PostgreSQL database schema converter</P> |
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<P> |
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<HR> |
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<H1><A NAME="SYNOPSIS">SYNOPSIS</A></H1> |
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<P> |
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<PRE> BEGIN { |
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<H1><A NAME="synopsis">SYNOPSIS</A></H1> |
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<PRE> |
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BEGIN { |
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$ENV{ORACLE_HOME} = '/usr/local/oracle/oracle816'; |
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} |
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</PRE> |
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<P> |
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<PRE> use strict; |
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</PRE> |
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<P> |
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<PRE> use Ora2Pg; |
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</PRE> |
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<P> |
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<PRE> # Init the database connection |
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}</PRE> |
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<PRE> |
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use strict;</PRE> |
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<PRE> |
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use Ora2Pg;</PRE> |
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<PRE> |
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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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</PRE> |
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<P> |
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<PRE> # Create an instance of the Ora2Pg perl module |
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my $dbpwd = 'manager';</PRE> |
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<PRE> |
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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 => $dbpwd, # Database password |
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); |
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</PRE> |
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<P> |
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<PRE> # Create the POSTGRESQL representation of all objects in the database |
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$schema->export_schema("output.sql"); |
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</PRE> |
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<P> |
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<PRE> exit(0); |
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</PRE> |
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<P> |
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or if you only want to extract some tables: |
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<P> |
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<PRE> # Create an instance of the Ora2Pg perl module |
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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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);</PRE> |
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<PRE> |
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# Create the POSTGRESQL representation of all objects in the database |
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$schema->export_schema("output.sql");</PRE> |
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<PRE> |
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exit(0);</PRE> |
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<P>or if you only want to extract some tables:</P> |
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<PRE> |
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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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@ -111,483 +114,366 @@ or if you only want to extract some 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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</PRE> |
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<P> |
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or if you only want to extract the 10 first tables: |
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<P> |
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<PRE> # Create an instance of the Ora2Pg perl module |
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);</PRE> |
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<P>or if you only want to extract the 10 first tables:</P> |
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<PRE> |
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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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</PRE> |
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<P> |
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or if you only want to extract tables 10 to 20: |
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<P> |
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<PRE> # Create an instance of the Ora2Pg perl module |
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);</PRE> |
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<P>or if you only want to extract tables 10 to 20:</P> |
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<PRE> |
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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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</PRE> |
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<P> |
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To choose a particular schema just set the following option to your schema |
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name : |
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<P> |
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<PRE> schema => 'APPS' |
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</PRE> |
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<P> |
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To know at which indices table can be found during extraction use the |
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option: |
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<P> |
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<PRE> showtableid => 1 |
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</PRE> |
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<P> |
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To extract all views set the option type as follow: |
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<P> |
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<PRE> type => 'VIEW' |
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</PRE> |
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<P> |
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To extract all grants set the option type as follow: |
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<P> |
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<PRE> type => 'GRANT' |
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</PRE> |
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<P> |
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To extract all sequences set the option type as follow: |
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<P> |
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<PRE> type => 'SEQUENCE' |
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</PRE> |
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<P> |
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To extract all triggers set the option type as follow: |
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<P> |
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<PRE> type => 'TRIGGER' |
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</PRE> |
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<P> |
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To extract all functions set the option type as follow: |
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<P> |
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<PRE> type => 'FUNCTION' |
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</PRE> |
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<P> |
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To extract all procedures set the option type as follow: |
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<P> |
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<PRE> type => 'PROCEDURE' |
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</PRE> |
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<P> |
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Default is table schema extraction |
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<P> |
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<PRE> type => 'TABLE' |
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</PRE> |
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<P> |
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<HR> |
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<H1><A NAME="DESCRIPTION">DESCRIPTION</A></H1> |
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<P> |
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Ora2Pg is a perl OO module used to export an Oracle database schema to a |
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PostgreSQL compatible schema. |
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<P> |
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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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<P> |
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I'm not a Oracle DBA so I don't really know something about its internal |
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);</PRE> |
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<P>To choose a particular Oracle schema to export just set the following option |
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to your schema name:</P> |
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<PRE> |
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schema => 'APPS'</PRE> |
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<P>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.</P> |
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<P>To know at which indices tables can be found during extraction use the option:</P> |
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<PRE> |
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showtableid => 1</PRE> |
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<P>To extract all views set the type option as follow:</P> |
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<PRE> |
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type => 'VIEW'</PRE> |
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<P>To extract all grants set the type option as follow:</P> |
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<PRE> |
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type => 'GRANT'</PRE> |
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<P>To extract all sequences set the type option as follow:</P> |
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<PRE> |
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type => 'SEQUENCE'</PRE> |
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<P>To extract all triggers set the type option as follow:</P> |
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<PRE> |
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type => 'TRIGGER'</PRE> |
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<P>To extract all functions set the type option as follow:</P> |
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<PRE> |
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type => 'FUNCTION'</PRE> |
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<P>To extract all procedures set the type option as follow:</P> |
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<PRE> |
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type => 'PROCEDURE'</PRE> |
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<P>To extract all packages and body set the type option as follow:</P> |
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<PRE> |
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type => 'PACKAGE'</PRE> |
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<P>Default is table extraction</P> |
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<PRE> |
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type => 'TABLE'</PRE> |
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<P>To extract all data from table extraction as INSERT statement use:</P> |
|
|
|
|
<PRE> |
|
|
|
|
type => 'DATA'</PRE> |
|
|
|
|
<P>To extract all data from table extraction as COPY statement use:</P> |
|
|
|
|
<PRE> |
|
|
|
|
type => 'COPY'</PRE> |
|
|
|
|
<P>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 |
|
|
|
|
'table', 'min' and 'max' can also be used.</P> |
|
|
|
|
<P>When use of COPY or DATA you can export data by calling method:</P> |
|
|
|
|
<P>$schema->export_data(``output.sql'');</P> |
|
|
|
|
<P>Data are dumped to the given filename or to STDOUT with no argument. |
|
|
|
|
You can also send these data directly to a PostgreSQL backend using |
|
|
|
|
the following method:</P> |
|
|
|
|
<P>$schema->send_to_pgdb($destdatasrc,$destuser,$destpasswd);</P> |
|
|
|
|
<P>In this case you must call <CODE>export_data()</CODE> without argument after the |
|
|
|
|
call to method send_to_pgdb().</P> |
|
|
|
|
<P>If you set type to COPY and you want to dump data directly to a PG database, |
|
|
|
|
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 |
|
|
|
|
is istill required to be able to extract database name, hostname and port |
|
|
|
|
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).</P> |
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H1><A NAME="description">DESCRIPTION</A></H1> |
|
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|
|
<P>Ora2Pg is a perl OO module used to export an Oracle database schema |
|
|
|
|
to a PostgreSQL compatible schema.</P> |
|
|
|
|
<P>It simply connect to your Oracle database, extract its structure and |
|
|
|
|
generate a SQL script that you can load into your PostgreSQL database.</P> |
|
|
|
|
<P>I'm not a Oracle DBA so I don't really know something about its internal |
|
|
|
|
structure so you may find some incorrect things. Please tell me what is |
|
|
|
|
wrong and what can be better. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
It currently dump the database schema (tables, views, sequences, indexes, |
|
|
|
|
grants), with primary, unique and foreign keys into PostgreSQL syntax |
|
|
|
|
without editing the SQL code generated. |
|
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|
|
|
|
|
|
|
<P> |
|
|
|
|
Functions, procedures and triggers PL/SQL code generated must be reviewed |
|
|
|
|
to match the PostgreSQL syntax. Some usefull recommandation on porting |
|
|
|
|
Oracle to PostgreSQL can be found at <A |
|
|
|
|
HREF="http://techdocs.postgresql.org/">http://techdocs.postgresql.org/</A> |
|
|
|
|
under the ``Converting from other Databases to PostgreSQL'' Oracle part. I |
|
|
|
|
just notice one thing more is that the <CODE>trunc()</CODE> function in |
|
|
|
|
Oracle is the same for number or date so be carefull when porting to |
|
|
|
|
PostgreSQL to use <CODE>trunc()</CODE> for number and |
|
|
|
|
<CODE>date_trunc()</CODE> for date. |
|
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|
|
|
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H1><A NAME="ABSTRACT">ABSTRACT</A></H1> |
|
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|
|
<P> |
|
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|
|
The goal of the Ora2Pg perl module is to cover all part needed to export an |
|
|
|
|
Oracle database to a PostgreSQL database without other thing that provide |
|
|
|
|
the connection parameters to the Oracle database. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
Features must include: |
|
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|
|
|
|
|
|
|
<P> |
|
|
|
|
<PRE> - Database schema export (tables, views, sequences, indexes), |
|
|
|
|
wrong and what can be better.</P> |
|
|
|
|
<P>It currently dump the database schema (tables, views, sequences, indexes, grants), |
|
|
|
|
with primary, unique and foreign keys into PostgreSQL syntax without editing the |
|
|
|
|
SQL code generated.</P> |
|
|
|
|
<P>It now can dump Oracle data into PostgreSQL DB as online process. You can choose |
|
|
|
|
what columns can be exported for each table.</P> |
|
|
|
|
<P>Functions, procedures and triggers PL/SQL code generated must be reviewed to match |
|
|
|
|
the PostgreSQL syntax. Some usefull recommandation on porting Oracle to PostgreSQL |
|
|
|
|
can be found at <A HREF="http://techdocs.postgresql.org/">http://techdocs.postgresql.org/</A> under the ``Converting from other |
|
|
|
|
Databases to PostgreSQL'' Oracle part. I just notice one thing more is that the |
|
|
|
|
<CODE>trunc()</CODE> function in Oracle is the same for number or date so be carefull when |
|
|
|
|
porting to PostgreSQL to use <CODE>trunc()</CODE> for number and <CODE>date_trunc()</CODE> for date.</P> |
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H1><A NAME="abstract">ABSTRACT</A></H1> |
|
|
|
|
<P>The goal of the Ora2Pg perl module is to cover all part needed to export |
|
|
|
|
an Oracle database to a PostgreSQL database without other thing that provide |
|
|
|
|
the connection parameters to the Oracle database.</P> |
|
|
|
|
<P>Features must include:</P> |
|
|
|
|
<PRE> |
|
|
|
|
- Database schema export (tables, views, sequences, indexes), |
|
|
|
|
with unique, primary and foreign key. |
|
|
|
|
- Grants/privileges export by user and group. |
|
|
|
|
- Table selection (by name and max table) export. |
|
|
|
|
- Predefined functions/triggers/procedures export. |
|
|
|
|
- Sql query converter (todo) |
|
|
|
|
- Data export (todo) |
|
|
|
|
</PRE> |
|
|
|
|
<P> |
|
|
|
|
My knowledge regarding database is really poor especially for Oracle so |
|
|
|
|
contribution is welcome. |
|
|
|
|
|
|
|
|
|
- Predefined functions/triggers/procedures/packages export. |
|
|
|
|
- Data export. |
|
|
|
|
- Sql query converter (todo)</PRE> |
|
|
|
|
<P>My knowledge regarding database is really poor especially for Oracle |
|
|
|
|
so contribution is welcome.</P> |
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H1><A NAME="REQUIREMENT">REQUIREMENT</A></H1> |
|
|
|
|
<P> |
|
|
|
|
You just need the DBI and DBD::Oracle perl module to be installed |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H1><A NAME="PUBLIC_METHODS">PUBLIC METHODS</A></H1> |
|
|
|
|
<H1><A NAME="requirement">REQUIREMENT</A></H1> |
|
|
|
|
<P>You just need the DBI, DBD::Pg and DBD::Oracle perl module to be installed</P> |
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H2><A NAME="new_HASH_OPTIONS">new HASH_OPTIONS</A></H2> |
|
|
|
|
<P> |
|
|
|
|
Creates a new Ora2Pg object. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
Supported options are: |
|
|
|
|
|
|
|
|
|
<H1><A NAME="public methods">PUBLIC METHODS</A></H1> |
|
|
|
|
<P> |
|
|
|
|
<PRE> - datasource : DBD datasource (required) |
|
|
|
|
<H2><A NAME="new hash_options">new HASH_OPTIONS</A></H2> |
|
|
|
|
<P>Creates a new Ora2Pg object.</P> |
|
|
|
|
<P>Supported options are:</P> |
|
|
|
|
<PRE> |
|
|
|
|
- datasource : DBD datasource (required) |
|
|
|
|
- user : DBD user (optional with public access) |
|
|
|
|
- password : DBD password (optional with public access) |
|
|
|
|
- schema : Oracle internal schema to extract |
|
|
|
|
- type : Type of data to extract, can be TABLE,VIEW,GRANT,SEQUENCE,TRIGGER,FUNCTION,PROCEDURE |
|
|
|
|
- type : Type of data to extract, can be TABLE,VIEW,GRANT,SEQUENCE, |
|
|
|
|
TRIGGER,FUNCTION,PROCEDURE,DATA,COPY,PACKAGE |
|
|
|
|
- debug : Print the current state of the parsing |
|
|
|
|
- tables : Extract only the given tables (arrayref) |
|
|
|
|
- showtableid : Display only the table indice during extraction |
|
|
|
|
- min : Indice to begin extraction. Default to 0 |
|
|
|
|
- max : Indice to end extraction. Default to 0 mean no limits |
|
|
|
|
</PRE> |
|
|
|
|
- data_limit : Number max of tuples to return during data extraction (default 10)</PRE> |
|
|
|
|
<P>Attempt that this list should grow a little more because all initialization is |
|
|
|
|
done by this way.</P> |
|
|
|
|
<P> |
|
|
|
|
Attempt that this list should grow a little more because all initialization |
|
|
|
|
is done by this way. |
|
|
|
|
|
|
|
|
|
<H2><A NAME="export_data filename">export_data FILENAME</A></H2> |
|
|
|
|
<P>Print SQL data output to a filename or |
|
|
|
|
to STDOUT if no file is given.</P> |
|
|
|
|
<P>Must be used only if type option is set to DATA or COPY |
|
|
|
|
=cut</P> |
|
|
|
|
<P>sub export_data |
|
|
|
|
{ |
|
|
|
|
my ($self, $outfile) = @_;</P> |
|
|
|
|
<PRE> |
|
|
|
|
$self->_get_sql_data($outfile); |
|
|
|
|
}</PRE> |
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H2><A NAME="export_sql_FILENAME">export_sql FILENAME</A></H2> |
|
|
|
|
<H2><A NAME="export_sql filename">export_sql FILENAME</A></H2> |
|
|
|
|
<P>Print SQL conversion output to a filename or |
|
|
|
|
simply return these data if no file is given.</P> |
|
|
|
|
<P> |
|
|
|
|
Print SQL conversion output to a filename or to STDOUT if no file is given. |
|
|
|
|
|
|
|
|
|
<H2><A NAME="send_to_pgdb dest_datasrc dest_user dest_passwd">send_to_pgdb DEST_DATASRC DEST_USER DEST_PASSWD</A></H2> |
|
|
|
|
<P>Open a DB handle to a PostgreSQL database</P> |
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H1><A NAME="PRIVATE_METHODS">PRIVATE METHODS</A></H1> |
|
|
|
|
<H2><A NAME="modify_struct table_name arrayof_fieldname">modify_struct TABLE_NAME ARRAYOF_FIELDNAME</A></H2> |
|
|
|
|
<P>Modify a table structure during export. Only given fieldname |
|
|
|
|
will be exported.</P> |
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H2><A NAME="_init_HASH_OPTIONS">_init HASH_OPTIONS</A></H2> |
|
|
|
|
<H1><A NAME="private methods">PRIVATE METHODS</A></H1> |
|
|
|
|
<P> |
|
|
|
|
Initialize a Ora2Pg object instance with a connexion to the Oracle |
|
|
|
|
database. |
|
|
|
|
|
|
|
|
|
<H2><A NAME="_init hash_options">_init HASH_OPTIONS</A></H2> |
|
|
|
|
<P>Initialize a Ora2Pg object instance with a connexion to the |
|
|
|
|
Oracle database.</P> |
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H2><A NAME="_grants">_grants</A></H2> |
|
|
|
|
<P>This function is used to retrieve all privilege information.</P> |
|
|
|
|
<P>It extract all Oracle's ROLES to convert them as Postgres groups |
|
|
|
|
and search all users associated to these roles.</P> |
|
|
|
|
<P>Set the main hash $self->{groups}. |
|
|
|
|
Set the main hash $self->{grantss}.</P> |
|
|
|
|
<P> |
|
|
|
|
This function is used to retrieve all privilege information. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
It extract all Oracle's ROLES to convert them as Postgres groups and search |
|
|
|
|
all users associated to these roles. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
Set the main hash $self->{groups}. Set the main hash |
|
|
|
|
$self->{grantss}. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H2><A NAME="_sequences">_sequences</A></H2> |
|
|
|
|
<P>This function is used to retrieve all sequences information.</P> |
|
|
|
|
<P>Set the main hash $self->{sequences}.</P> |
|
|
|
|
<P> |
|
|
|
|
This function is used to retrieve all sequences information. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
Set the main hash $self->{sequences}. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H2><A NAME="_triggers">_triggers</A></H2> |
|
|
|
|
<P>This function is used to retrieve all triggers information.</P> |
|
|
|
|
<P>Set the main hash $self->{triggers}.</P> |
|
|
|
|
<P> |
|
|
|
|
This function is used to retrieve all triggers information. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
Set the main hash $self->{triggers}. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H2><A NAME="_functions">_functions</A></H2> |
|
|
|
|
<P>This function is used to retrieve all functions information.</P> |
|
|
|
|
<P>Set the main hash $self->{functions}.</P> |
|
|
|
|
<P> |
|
|
|
|
This function is used to retrieve all functions information. |
|
|
|
|
|
|
|
|
|
<H2><A NAME="_packages">_packages</A></H2> |
|
|
|
|
<P>This function is used to retrieve all packages information.</P> |
|
|
|
|
<P>Set the main hash $self->{packages}.</P> |
|
|
|
|
<P> |
|
|
|
|
Set the main hash $self->{functions}. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H2><A NAME="_tables">_tables</A></H2> |
|
|
|
|
<P> |
|
|
|
|
This function is used to retrieve all table information. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
Set the main hash of the database structure $self->{tables}. Keys are |
|
|
|
|
the names of all tables retrieved from the current database. Each table |
|
|
|
|
information compose an array associated to the table_info key as array |
|
|
|
|
reference. In other way: |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
<PRE> $self->{tables}{$class_name}{table_info} = [(OWNER,TYPE)]; |
|
|
|
|
</PRE> |
|
|
|
|
<P> |
|
|
|
|
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. |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
It also get the following informations in the DBI object to affect the main |
|
|
|
|
hash of the database structure : |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
<PRE> $self->{tables}{$class_name}{field_name} = $sth->{NAME}; |
|
|
|
|
$self->{tables}{$class_name}{field_type} = $sth->{TYPE}; |
|
|
|
|
</PRE> |
|
|
|
|
<P> |
|
|
|
|
It also call these other private subroutine to affect the main hash of the |
|
|
|
|
database structure : |
|
|
|
|
|
|
|
|
|
<P> |
|
|
|
|
<PRE> @{$self->{tables}{$class_name}{column_info}} = $self->_column_info($class_name); |
|
|
|
|
<P>This function is used to retrieve all table information.</P> |
|
|
|
|
<P>Set the main hash of the database structure $self->{tables}. |
|
|
|
|
Keys are the names of all tables retrieved from the current |
|
|
|
|
database. Each table information compose an array associated |
|
|
|
|
to the table_info key as array reference. In other way:</P> |
|
|
|
|
<PRE> |
|
|
|
|
$self->{tables}{$class_name}{table_info} = [(OWNER,TYPE)];</PRE> |
|
|
|
|
<P>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.</P> |
|
|
|
|
<P>It also get the following informations in the DBI object to affect the |
|
|
|
|
main hash of the database structure :</P> |
|
|
|
|
<PRE> |
|
|
|
|
$self->{tables}{$class_name}{field_name} = $sth->{NAME}; |
|
|
|
|
$self->{tables}{$class_name}{field_type} = $sth->{TYPE};</PRE> |
|
|
|
|
<P>It also call these other private subroutine to affect the main hash |
|
|
|
|
of the database structure :</P> |
|
|
|
|
<PRE> |
|
|
|
|
@{$self->{tables}{$class_name}{column_info}} = $self->_column_info($class_name); |
|
|
|
|
@{$self->{tables}{$class_name}{primary_key}} = $self->_primary_key($class_name); |
|
|
|
|
@{$self->{tables}{$class_name}{unique_key}} = $self->_unique_key($class_name); |
|
|
|
|
@{$self->{tables}{$class_name}{foreign_key}} = $self->_foreign_key($class_name); |
|
|
|
|
</PRE> |
|
|
|
|
@{$self->{tables}{$class_name}{foreign_key}} = $self->_foreign_key($class_name);</PRE> |
|
|
|
|
<P> |
|
|
|
|
<HR> |
|
|
|
|
<H2><A NAME="_views">_views</A></H2> |
|
|
|
|
<P>This function is used to retrieve all views information.</P> |
|
|
|
|
<P>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.</P> |
|
|
|
|
<P>It then set the main hash as follow:</P> |
|
|
|
|
<PRE> |
|
|
|
|
# Definition of the view |
|
|
|
|
$self->{views}{$table}{text} = $view_infos{$table};</PRE> |
|
|
|
|
<P> |
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This function is used to retrieve all views information. |
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<P> |
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Set the main hash of the views definition $self->{views}. Keys are the |
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names of all views retrieved from the current database values are the text |
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definition of the views. |
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<P> |
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It then set the main hash as follow: |
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<P> |
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<PRE> # Definition of the view |
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$self->{views}{$table}{text} = $view_infos{$table}; |
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</PRE> |
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<P> |
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<HR> |
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<H2><A NAME="_get_sql_data">_get_sql_data</A></H2> |
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<P>Returns a string containing the entire SQL Schema definition compatible with PostgreSQL</P> |
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<P> |
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<H2><A NAME="_get_data table">_get_data TABLE</A></H2> |
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<P>This function implements a Oracle-native data extraction.</P> |
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<P>Return a list of array reference containing the data</P> |
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<P> |
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<H2><A NAME="_sql_type internal_type length precision scale">_sql_type INTERNAL_TYPE LENGTH PRECISION SCALE</A></H2> |
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<P>This function return the PostgreSQL datatype corresponding to the |
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Oracle internal type.</P> |
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<P> |
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<H2><A NAME="_column_info table">_column_info TABLE</A></H2> |
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<P>This function implements a Oracle-native column information.</P> |
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<P>Return a list of array reference containing the following informations |
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for each column the given a table</P> |
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<P>[( |
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column name, |
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column type, |
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column length, |
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nullable column, |
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default value |
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)]</P> |
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<P> |
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<H2><A NAME="_primary_key table">_primary_key TABLE</A></H2> |
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<P>This function implements a Oracle-native primary key column |
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information.</P> |
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<P>Return a list of all column name defined as primary key |
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for the given table.</P> |
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<P> |
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<H2><A NAME="_unique_key table">_unique_key TABLE</A></H2> |
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<P>This function implements a Oracle-native unique key column |
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information.</P> |
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<P>Return a list of all column name defined as unique key |
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for the given table.</P> |
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<P> |
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<H2><A NAME="_foreign_key table">_foreign_key TABLE</A></H2> |
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<P>This function implements a Oracle-native foreign key reference |
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information.</P> |
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<P>Return a list of hash of hash of array reference. Ouuf! Nothing very difficult. |
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The first hash is composed of all foreign key name. The second hash just have |
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two key known as 'local' and remote' corresponding to the local table where the |
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foreign key is defined and the remote table where the key refer.</P> |
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<P>The foreign key name is composed as follow:</P> |
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<PRE> |
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'local_table_name->remote_table_name'</PRE> |
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<P>Foreign key data consist in two array representing at the same indice the local |
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field and the remote field where the first one refer to the second. |
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Just like this:</P> |
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<PRE> |
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@{$link{$fkey_name}{local}} = @local_columns; |
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@{$link{$fkey_name}{remote}} = @remote_columns;</PRE> |
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<P> |
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Returns a string containing the entire SQL Schema definition compatible |
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with PostgreSQL |
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<P> |
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<HR> |
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<H2><A NAME="_sql_type_INTERNAL_TYPE_LENGTH">_sql_type INTERNAL_TYPE LENGTH</A></H2> |
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<P> |
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This function return the PostgreSQL datatype corresponding to the Oracle |
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internal type. |
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<P> |
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<HR> |
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<H2><A NAME="_column_info_TABLE">_column_info TABLE</A></H2> |
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<P> |
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This function implements a Oracle-native column information. |
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<P> |
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Return a list of array reference containing the following informations for |
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each column the given a table |
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<P> |
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[( column name, column type, column length, nullable column, default value |
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)] |
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<P> |
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<HR> |
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<H2><A NAME="_primary_key_TABLE">_primary_key TABLE</A></H2> |
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<P> |
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This function implements a Oracle-native primary key column information. |
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<P> |
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Return a list of all column name defined as primary key for the given |
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table. |
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<P> |
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<HR> |
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<H2><A NAME="_unique_key_TABLE">_unique_key TABLE</A></H2> |
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<P> |
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This function implements a Oracle-native unique key column information. |
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<P> |
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Return a list of all column name defined as unique key for the given table. |
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<P> |
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<HR> |
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<H2><A NAME="_foreign_key_TABLE">_foreign_key TABLE</A></H2> |
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<P> |
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This function implements a Oracle-native foreign key reference information. |
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<P> |
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Return a list of hash of hash of array reference. Ouuf! Nothing very |
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difficult. The first hash is composed of all foreign key name. The second |
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hash just have two key known as 'local' and remote' corresponding to the |
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local table where the foreign key is defined and the remote table where the |
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key refer. |
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<P> |
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The foreign key name is composed as follow: |
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<P> |
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<PRE> 'local_table_name->remote_table_name' |
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</PRE> |
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<P> |
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Foreign key data consist in two array representing at the same indice the |
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local field and the remote field where the first one refer to the second. |
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Just like this: |
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<P> |
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<PRE> @{$link{$fkey_name}{local}} = @local_columns; |
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@{$link{$fkey_name}{remote}} = @remote_columns; |
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</PRE> |
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<P> |
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<HR> |
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<H2><A NAME="_get_users">_get_users</A></H2> |
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<P>This function implements a Oracle-native users information.</P> |
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<P>Return a hash of all users as an array.</P> |
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<P> |
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This function implements a Oracle-native users information. |
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<P> |
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Return a hash of all users as an array. |
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<P> |
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<HR> |
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<H2><A NAME="_get_roles">_get_roles</A></H2> |
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<P>This function implements a Oracle-native roles |
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information.</P> |
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<P>Return a hash of all groups (roles) as an array of associated users.</P> |
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<P> |
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This function implements a Oracle-native roles information. |
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<P> |
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Return a hash of all groups (roles) as an array of associated users. |
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<P> |
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<HR> |
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<H2><A NAME="_get_all_grants">_get_all_grants</A></H2> |
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<P>This function implements a Oracle-native user privilege |
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information.</P> |
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<P>Return a hash of all tables grants as an array of associated users.</P> |
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<P> |
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This function implements a Oracle-native user privilege information. |
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<H2><A NAME="_get_indexes table">_get_indexes TABLE</A></H2> |
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<P>This function implements a Oracle-native indexes information.</P> |
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<P>Return hash of array containing all unique index and a hash of |
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array of all indexes name which are not primary keys for the |
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given table.</P> |
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<P> |
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Return a hash of all tables grants as an array of associated users. |
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<P> |
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<HR> |
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<H2><A NAME="_get_indexes_TABLE">_get_indexes TABLE</A></H2> |
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<P> |
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This function implements a Oracle-native indexes information. |
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<P> |
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Return hash of array containing all unique index and a hash of array of all |
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indexes name which are not primary keys for the given table. |
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<P> |
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<HR> |
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<H2><A NAME="_get_sequences">_get_sequences</A></H2> |
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<P>This function implements a Oracle-native sequences |
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information.</P> |
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<P>Return a hash of array of sequence name with MIN_VALUE, MAX_VALUE, |
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INCREMENT and LAST_NUMBER for the given table.</P> |
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<P> |
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This function implements a Oracle-native sequences information. |
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<P> |
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Return a hash of array of sequence name with MIN_VALUE, MAX_VALUE, |
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INCREMENT and LAST_NUMBER for the given table. |
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<P> |
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<HR> |
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<H2><A NAME="_get_views">_get_views</A></H2> |
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<P>This function implements a Oracle-native views information.</P> |
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<P>Return a hash of view name with the SQL query it is based on.</P> |
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<P> |
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<H2><A NAME="_alias_info">_alias_info</A></H2> |
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<P>This function implements a Oracle-native column information.</P> |
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<P>Return a list of array reference containing the following informations |
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for each alias of the given view</P> |
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<P>[( |
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column name, |
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column id |
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)]</P> |
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<P> |
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This function implements a Oracle-native views information. |
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<P> |
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Return a hash of view name with the SQL query it is based on. |
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<P> |
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<HR> |
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<H2><A NAME="_get_triggers">_get_triggers</A></H2> |
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<P>This function implements a Oracle-native triggers information.</P> |
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<P>Return an array of refarray of all triggers informations</P> |
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<P> |
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This function implements a Oracle-native triggers information. |
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<P> |
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Return an array of refarray of all triggers informations |
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<P> |
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<HR> |
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<H2><A NAME="_get_functions">_get_functions</A></H2> |
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<P>This function implements a Oracle-native functions information.</P> |
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<P>Return a hash of all function name with their PLSQL code</P> |
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<P> |
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This function implements a Oracle-native functions information. |
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<P> |
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Return a hash of all function name with their PLSQL code |
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<H2><A NAME="_get_packages">_get_packages</A></H2> |
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<P>This function implements a Oracle-native packages information.</P> |
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<P>Return a hash of all function name with their PLSQL code</P> |
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<P> |
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<HR> |
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<H2><A NAME="_table_info">_table_info</A></H2> |
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<P> |
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This function retrieve all Oracle-native tables information. |
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<P> |
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Return a handle to a DB query statement |
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<P>This function retrieve all Oracle-native tables information.</P> |
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<P>Return a handle to a DB query statement</P> |
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<P> |
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<HR> |
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<H1><A NAME="AUTHOR">AUTHOR</A></H1> |
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<P> |
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|
Gilles Darold <<A |
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HREF="mailto:gilles@darold.net">gilles@darold.net</A>> |
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<H1><A NAME="author">AUTHOR</A></H1> |
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<P>Gilles Darold <<A HREF="mailto:gilles@darold.net">gilles@darold.net</A>></P> |
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<P> |
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<HR> |
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<H1><A NAME="COPYRIGHT">COPYRIGHT</A></H1> |
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<P> |
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Copyright (c) 2001 Gilles Darold - All rights reserved. |
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<P> |
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This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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<H1><A NAME="copyright">COPYRIGHT</A></H1> |
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<P>Copyright (c) 2001 Gilles Darold - All rights reserved.</P> |
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<P>This program is free software; you can redistribute it and/or modify it under |
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|
the same terms as Perl itself.</P> |
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<P> |
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<HR> |
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|
<H1><A NAME="BUGS">BUGS</A></H1> |
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<P> |
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|
This perl module is in the same state as my knowledge regarding database, |
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<H1><A NAME="bugs">BUGS</A></H1> |
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<P>This perl module is in the same state as my knowledge regarding database, |
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it can move and not be compatible with older version so I will do my best |
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to give you official support for Ora2Pg. Your volontee to help construct it |
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|
and your contribution are welcome. |
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to give you official support for Ora2Pg. Your volontee to help construct |
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it and your contribution are welcome.</P> |
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<P> |
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<HR> |
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<H1><A NAME="SEE_ALSO">SEE ALSO</A></H1> |
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<H1><A NAME="see also">SEE ALSO</A></H1> |
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|
<P><EM>DBI</EM>, <A HREF="/DBD/Oracle.html">the DBD::Oracle manpage</A>, <A HREF="/DBD/Pg.html">the DBD::Pg manpage</A></P> |
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<P> |
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<EM>DBI</EM>, <A HREF="/DBD/Oracle.html">DBD::Oracle</A> |
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<HR> |
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<H1><A NAME="acknowledgements">ACKNOWLEDGEMENTS</A></H1> |
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<P>Thanks to Jason Servetar who decided me to implement data extraction.</P> |
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</BODY> |
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Bruce Momjian
24 years ago