vastdb.schema

VAST Database schema (a container of tables).

VAST S3 buckets can be used to create Database schemas and tables. It is possible to list and access VAST snapshots generated over a bucket.

class vastdb.schema.Schema(name: str, bucket: Bucket)[source]

Bases: object

VAST Schema.

bucket: Bucket

create_schema(name: str, fail_if_exists=True) → Schema[source]: Create a new schema (a container of tables) under this schema.

create_table(table_name: str, columns: pyarrow.Schema, fail_if_exists=True, use_external_row_ids_allocation=False) → Table[source]: Create a new table under this schema.

drop() → None[source]: Delete this schema.

name: str

rename(new_name) → None[source]: Rename this schema.

schema(name: str, fail_if_missing=True) → Schema | None[source]: Get a specific schema (a container of tables) under this schema.

schemas(batch_size=None) → Iterable[Schema][source]: List child schemas.

table(name: str, fail_if_missing=True) → Table | None[source]: Get a specific table under this schema.

tablenames() → List[str][source]: List all table names under this schema.

tables(table_name=None) → List[Table][source]: List all tables under this schema.

property tx: VAST transaction used for this schema.