CreateDataSourceTableCommand Logical Command¶
CreateDataSourceTableCommand
is a RunnableCommand.md[logical command] that <
CreateDataSourceTableCommand
is created when DataSourceAnalysis posthoc logical resolution rule resolves a CreateTable.md[CreateTable] logical operator for a non-Hive table provider with no query.
Creating Instance¶
CreateDataSourceTableCommand
takes the following to be created:
- [[table]] CatalogTable
- [[ignoreIfExists]]
ignoreIfExists
Flag
=== [[run]] Executing Logical Command -- run
Method
[source, scala]¶
run(sparkSession: SparkSession): Seq[Row]¶
NOTE: run
is part of <
run
requests a session-scoped SessionCatalog
to create a table.
NOTE: run
uses the input SparkSession
to SparkSession.md#sessionState[access SessionState] that in turn is used to SessionState.md#catalog[access the current SessionCatalog].
Internally, run
creates a BaseRelation to access the table's schema.
CAUTION: FIXME
NOTE: run
accepts tables only (not views) with the provider defined.