DBIx::DBSchema::Index - Index objects


NAME

DBIx::DBSchema::Index - Index objects


SYNOPSYS

  use DBIx::DBSchema::Index;
  $index = new DBIx::DBSchema::Index (
    {
    }
  );


DESCRIPTION

DBIx::DBSchema::Index objects represent a unique or non-unique database index.


METHODS

new HASHREF | OPTION, VALUE, ...
Creates a new DBIx::DBschema::Index object.

Accepts either a hashref or a list of options and values.

Options are:

name - Index name
using - Optional index method
unique - Boolean indicating whether or not this is a unique index.
columns - List reference of column names (or expressions)
name [ INDEX_NAME ]
Returns or sets the index name.

using [ INDEX_METHOD ]
Returns or sets the optional index method.

unique [ BOOL ]
Returns or sets the unique flag.

columns [ LISTREF ]
Returns or sets the indexed columns (or expressions).

columns_sql
Returns a comma-joined list of columns, suitable for an SQL statement.

sql_create_index TABLENAME
Returns an SQL statment to create this index on the specified table.

cmp OTHER_INDEX_OBJECT
Compares this object to another supplied object. Returns true if they are identical, or false otherwise.

cmp_noname OTHER_INDEX_OBJECT
Compares this object to another supplied object. Returns true if they are identical, disregarding index name, or false otherwise.


AUTHOR

Ivan Kohler <ivan-dbix-dbschema@420.am>

Copyright (c) 2007 Ivan Kohler Copyright (c) 2007 Freeside Internet Services, Inc. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.


BUGS

Is there any situation in which sql_create_index needs to return a list of multiple statements?


SEE ALSO

the DBIx::DBSchema::Table manpage, the DBIx::DBSchema manpage, the DBI manpage

 DBIx::DBSchema::Index - Index objects