DBSchemaSource returns a SchemaSource that returns a schema based on the provided queryable.

DDLSchemaSource returns a SchemaSource that returns a schema based on the provided DDL.

DirSchemaSource returns a SchemaSource that returns a schema based on the provided directories.

Generate generates a migration plan to migrate the database to the target schema Parameters: fromDB: The target database to generate the diff for.

deprecated: GeneratePlan generates a migration plan to migrate the database to the target schema.

WithDataPackNewTables configures the plan generation such that it packs the columns in the new tables to minimize padding.

WithDoNotValidatePlan disables plan validation, where the migration plan is tested against a temporary database instance.

WithLogger configures plan generation to use the provided logger instead of the default.

WithRespectColumnOrder configures the plan generation to respect any changes to the ordering of columns in existing tables.

WithTransactional configures plan generation to not generate any operations that can not execute within a transaction.

ErrColumnOrderingChanged is returned when the ordering of columns changes and column ordering is not ignored.

MigrationHazard represents a hazard that a statement poses to a database.

Plan represents a set of statements to be executed in order to migrate a database from schema A to schema B.