- AUTHOR - Hilmar Lapp
Bio::DB::DBI::Oracle - DESCRIPTION of Object
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The rest of the documentation details each of the object methods. Internal methods are usually preceded with a _
Title : new Usage : my $obj = Bio::DB::DBI::Oracle->new(); Function: Builds a new Bio::DB::DBI::Oracle object using the passed named parameters. Returns : an instance of Bio::DB::DBI::Oracle Args : named parameters with tags -dbcontext (a Bio::DB::DBContextI implementing object) and -sequence_name (the name of the sequence for PK generation)
Title : next_id_value Usage : $pk = $obj->next_id_value(); Function: Example : Returns : a value suitable for use as a primary key Args : The database connection handle to use for retrieving the next primary key value. Optionally, the name of the primary key generating sequence. If omitted, the value returned by sequence_name() will be used.
Title : last_id_value Usage : Function: Returns the last unique primary key value allocated. Depending on the argument and the driver, the value may be specific to a table, or independent of the table. This implementation does not need to know the table. Example : Returns : a value suitable for use as a primary key Args : The database connection handle to use for retrieving the primary key from the last insert. Optionally, the name of the primary key generating sequence. If omitted, the value returned by sequence_name() will be used.
Title : nvl_sqlfunc Usage : Function: Get the name of the SQL function that takes two arguments and returns the first if it is not null, and the second otherwise. Most RDBMSs will have such a function, but unfortunately the naming is different between them. E.g., in MySQL the name is IFNULL(), whereas in Oracle it is NVL(). Example : Returns : the name of the function as a string, without parentheses Args : none
Title : build_dsn Usage : Function: Constructs the DSN string from the DBContextI object. Since this may be driver-specific, specific implementations may need to override this method. Example : Returns : a string (the DSN) Args : a Bio::DB::DBContextI implementing object