pyspark.sql.Catalog.listDatabases#
- Catalog.listDatabases(pattern=None)[source]#
Returns a list of databases (namespaces) available within the current catalog.
With
pattern, returns only databases whose name matches that pattern.Added in version 2.0.0.
- Parameters:
- patternstr, optional
Pattern that database names must match.
Added in version 3.5.0.
- Returns:
- list
A list of
Database.
Examples
>>> spark.catalog.listDatabases() [Database(name='default', catalog='spark_catalog', description='default database', ...
>>> spark.catalog.listDatabases("def*") [Database(name='default', catalog='spark_catalog', description='default database', ...
>>> spark.catalog.listDatabases("def2*") []