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Changes for version 0.50
- ENHANCEMENTS:
- There is now support for left and right outer joins. The interface to this may change a bit in future releases.
- Added the following methods to foreign key objects: from_is_dependent, to_is_dependent, is_one_to_one, is_one_to_many, is_many_to_one.
- Improved and fixed the Alzabo::MethodMaker documentation.
- DEPRECATIONS:
- In some future release are references to the concept 'min_max_from' and 'min_max_to' will go away. Instead, relationships will be described by their cardinality and dependencies. This was changed in the schema creation interface a while ago but the APIs have not yet completely switched over (there are accessors for the new way, but the set methods still use the old concepts). I'll make sure that there is a time when using these methods issues a warning about their deprecation.
- BUG FIXES:
- Fix pod merging, which broke a while back (this merges superclass documentation into subclasses for things like Alzabo::Runtime::Table).
- The code was accidentally serializing a DBI handle, which generates lots of useless warnings. This wasn't affecting Alzabo's operations as it never attempted to use the thawed handle.
- Fix handling of ENUM and SET column types for MySQL. These were not being allowed through properly.
- Attempting to insert a value into a column that was related to a non-primary key column were not allowed if the value being inserted did not match the related column in the other table, even when the columns were not dependent on each other. Now this is only disallowed when the foreign key is a primary key in its own table.
Documentation
Frequently Asked Questions
A quick reference to methods in the Alzabo classes
Modules
A data modelling tool and RDBMS-OO mapper
Saves a set of changes as callbacks that can be backed out if needed
Column objects
Holds the type attribute for a column
Loads all Alzabo::Create::* classes
Column objects for use in schema creation
Column definition object for schema creation
Foreign key objects for schema creation.
Index objects for schema creation
Schema objects for schema creation
Table objects for schema creation
Alzabo base class for RDBMS drivers
MySQL specific Alzabo driver subclass
PostgreSQL specific Alzabo driver subclass
Creates all exception subclasses used in Alzabo.
Foreign key (relation) objects
Index objects
Auto-generate useful methods based on an existing schema
A simple in-memory cache for row objects.
Cache objects in memory
Cache objects in memory
Doesn't really store anything
Base class for syncing classes
Uses a DBM file to sync object caches
Base class for syncing modules that use DBM files
Uses a Berkeley DB file to sync object caches
Uses a IPC file to sync object caches
No inter-process cache syncing
Uses an SDBM file to sync object caches
Base class for Alzabo RDBMS rulesets
MySQL specific database rules.
PostgreSQL specific database rules
Loads all Alzabo::Runtime::* classes
Cached row objects
Column objects
Column definition objects
Base class for Alzabo cursors
Foreign key objects
Index objects
Cursor that returns arrays of Alzabo::Runtime::Row objects
Cursor that returns arrays of Alzabo::Runtime::Row objects or undef
Row objects
Cursor that returns Alzabo::Runtime::Row objects
Schema objects
Table objects
Alzabo base class for RDBMS drivers
Alzabo SQL making class for MySQL
Alzabo SQL making class for PostgreSQL
Schema objects
Table objects
Utility functions for Alzabo
Alzabo configuration information
Provides
in lib/Alzabo/Driver.pm
in lib/Alzabo/Exceptions.pm
in lib/Alzabo/SQLMaker.pm