DataBridgeMigrationManager

Controls versioned schema changes per app/module.

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Installation

loadfunction("DataBridgeMigrationManager");

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Lifecycle

• App install → run migrations
• App upgrade → run new migrations
• App uninstall → optional rollback

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Examples

Apply Migration

$migrate = new DataBridgeMigrationManager("IntraHub");

$migrate->up("001_add_priority", function () {
  $schema = new DataBridgeSchema("tickets");
  $schema->addColumn("priority", "INT");
});

Rollback Migration

$migrate->rollback("001_add_priority", function () {
  $schema = new DataBridgeSchema("tickets");
  $schema->dropColumn("priority");
});

Status

$migrate->hasRun("001_add_priority");
$migrate->appliedVersions();

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API Reference

Method	Description
up()	Apply migration
rollback()	Rollback migration
hasRun()	Check version
appliedVersions()	List versions

Best Practices

• Always version migrations
• One concern per migration

Anti-Patterns

• Manual DB edits
• Reusing migration versions