Crate sql_orm_migrate 

Migration support foundations.

Structs

AddColumn

Add a new column to an existing table.

AddForeignKey

Add a foreign key to an existing table.

AlterColumn

Alter an existing column by comparing the previous and desired snapshots.

ColumnSnapshot

Snapshot of a table column, aligned with the code-first metadata already defined in sql-orm-core.

CreateIndex

Create a missing index on an existing table.

CreateSchema

Create a missing SQL Server schema.

CreateTable

Create a table from its full snapshot.

DropColumn

Drop an existing column from a table.

DropForeignKey

Drop a foreign key from an existing table.

DropIndex

Drop an index from an existing table.

DropSchema

Drop a SQL Server schema that no longer exists in the model.

DropTable

Drop a table by schema and name.

ForeignKeySnapshot

Snapshot of a foreign key, including referenced target and referential actions.

IndexColumnSnapshot

Snapshot of a column inside an index definition.

IndexSnapshot

Snapshot of an index, including the participating columns and sort order.

MigrationEngine

Placeholder migration engine marker.

MigrationEntry

MigrationScaffold

ModelSnapshot

Serializable model snapshot shape used by future migration history artifacts.

RenameColumn

Rename an existing column in a table without recreating it.

RenameTable

Rename an existing table inside the same schema without recreating it.

SchemaSnapshot

Snapshot of a SQL Server schema and the tables currently modeled inside it.

TableSnapshot

Snapshot of a SQL Server table with the minimum structural information needed for the first migration diff passes.

Enums

MigrationOperation

Ordered migration operations emitted by the diff engine.

Constants

CRATE_IDENTITY

Functions

build_database_downgrade_script

build_database_update_script

create_migration_scaffold

create_migration_scaffold_with_snapshot

diff_column_operations

Computes additive/removal/basic-alteration column operations for tables present in both snapshots. Table creation/deletion remains the responsibility of diff_schema_and_table_operations.

diff_relational_operations

Computes additive/removal operations for indexes and foreign keys in tables present in both snapshots. Table creation/deletion remains the responsibility of diff_schema_and_table_operations.

diff_schema_and_table_operations

Computes the minimum stage-7 diff for schema and table creation/deletion.

latest_migration

list_migrations

read_latest_model_snapshot

read_model_snapshot

write_migration_down_sql

write_migration_up_sql

write_model_snapshot