- AUTHOR - Hilmar Lapp
Bio::DB::DBI::mysql - 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::mysql->new(); Function: Builds a new Bio::DB::DBI::mysql object using the passed named parameters. Returns : an instance of Bio::DB::DBI::mysql 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("bioentry"); Function: This implementation uses standard MySQL only and hence cannot implement this method. It will throw an exception if called. 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 table. The driver is not required to honor the argument if present.
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 will ignore 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.
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