congress.db.migration.alter_column_if_exists(*args, **kwargs)¶Alter a column only if it exists in the schema.
congress.db.migration.alter_enum(table, column, enum_type, nullable)¶congress.db.migration.create_table_if_not_exist_psql(table_name, values)¶congress.db.migration.drop_table_if_exists(*args, **kwargs)¶congress.db.migration.raise_if_offline(func)¶Decorator for raising if a function is called in offline mode.
congress.db.migration.rename_table_if_exists(*args, **kwargs)¶congress.db.migration.schema_has_column(*args, **kwargs)¶Check whether the specified column exists in the current schema.
This method cannot be executed in offline mode.
congress.db.migration.schema_has_table(*args, **kwargs)¶Check whether the specified table exists in the current schema.
This method cannot be executed in offline mode.
congress.db.migration.skip_if_offline(func)¶Decorator for skipping migrations in offline mode.
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