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DocumentationData Lake ComputeSQL StatementSuperSQL StatementUnified StatementDDL StatementALTER TABLEALTER TABLE ADD PARTATION

ALTER TABLE ADD PARTATION

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Last updated: 2024-08-07 17:15:56

Description

Supported engines: Presto and SparkSQL
Applicable table: External tables
Purpose: Create one or more partitioning columns for a data table.

Statement

ALTER TABLE table_name ADD [IF NOT EXISTS]
  PARTITION (partition_spec)
  [PARTITION (partition_spec) ...]

partition_spec:
  : partition_column = partition_col_value, partition_column = partition_col_value, ...


Parameter

table_name: Name of the target table
partition_column: Partitioning column name
partition_col_value: Partitioning column value

Example

ALTER TABLE tbl ADD PARTITION (p1=1, p2='a');

ALTER TABLE tbl ADD IF NOT EXISTS PARTITION (P1 = 1) PARTITION (P2 = 2);


Previous Topic: ALTER TABLE DROP COLUMNNext Topic: SHOW PARTITIONS

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