CatalogTablePartition¶

CatalogTablePartition is the partition specification of a table, i.e. the metadata of the partitions of a table.

CatalogTablePartition is <> when:

• HiveClientImpl is requested to hive/HiveClientImpl.md#fromHivePartition[retrieve a table partition metadata]

CatalogTablePartition can hold the <> that...FIXME

[[simpleString]] The readable text representation of a CatalogTablePartition (aka simpleString) is...FIXME

NOTE: simpleString is used exclusively when ShowTablesCommand is executed (with a partition specification).

[[toString]] CatalogTablePartition uses the following text representation (i.e. toString)...FIXME

Creating Instance¶

CatalogTablePartition takes the following when created:

• [[spec]] Partition specification
• [[storage]] CatalogStorageFormat
• [[parameters]] Parameters (default: an empty collection)
• [[stats]] Table statistics (default: None)

=== [[toLinkedHashMap]] Converting Partition Specification to LinkedHashMap -- toLinkedHashMap Method

[source, scala]¶

toLinkedHashMap: mutable.LinkedHashMap[String, String]¶

toLinkedHashMap converts the partition specification to a collection of pairs (LinkedHashMap[String, String]) with the following fields and their values:

• Partition Values with the <>
• Storage specification (of the given CatalogStorageFormat)
• Partition Parameters with the <> (if not empty)
• Partition Statistics with the <> (if available)

[NOTE]¶

toLinkedHashMap is used when:

• DescribeTableCommand logical command is <> (with the DescribeTableCommand.md#isExtended[isExtended] flag on and a non-empty DescribeTableCommand.md#partitionSpec[partitionSpec]).

* CatalogTablePartition is requested for either a <> or a <> text representation¶

=== [[location]] location Method

[source, scala]¶

location: URI¶

location simply returns the location URI of the CatalogStorageFormat or throws an AnalysisException:

Partition [[specString]] did not specify locationUri

NOTE: location is used when...FIXME