NAME

DBIO::Diff::Base - Base class for DBIO driver diff orchestrators

VERSION

version 0.900000

DESCRIPTION

Base class for driver-specific diff orchestrators (DBIO::PostgreSQL::Diff, DBIO::SQLite::Diff, DBIO::MySQL::Diff). Provides the full public interface; subclasses implement only _build_operations.

ATTRIBUTES

source

The current (live) database model hashref. Required.

target

The desired (deployed from DBIO classes) database model hashref. Required.

operations

ArrayRef of diff operation objects. Built lazily. Each object must respond to as_sql and summary.

METHODS

has_changes

if ($diff->has_changes) { ... }

Returns true if there is at least one diff operation.

as_sql

my $sql = $diff->as_sql;

Returns all diff operations concatenated as a SQL migration script.

summary

my $text = $diff->summary;

Returns a human-readable summary of all diff operations.

AUTHOR

DBIO & DBIx::Class Authors

COPYRIGHT AND LICENSE

Copyright (C) 2026 DBIO Authors Portions Copyright (C) 2005-2025 DBIx::Class Authors Based on DBIx::Class, heavily modified.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.