Help Center/ MapReduce Service/ User Guide (Kuala Lumpur Region)/ MRS Cluster Component Operation Gudie/ Using CarbonData (for MRS 3.x or Later)/ CarbonData Syntax Reference/ DML/ DELETE SEGMENT by ID
Updated on 2022-08-12 GMT+08:00
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DELETE SEGMENT by ID

Function

This command is used to delete segments by the ID.

Syntax

DELETE FROM TABLE db_name.table_name WHERE SEGMENT.ID IN (segment_id1,segment_id2);

Parameter Description

Table 1 DELETE SEGMENT parameters

Parameter

Description

segment_id

ID of the segment to be deleted.

db_name

Database name. If the parameter is not specified, the current database is used.

table_name

The name of the table in a specific database.

Usage Guidelines

Segments cannot be deleted from the stream table.

Examples

DELETE FROM TABLE CarbonDatabase.CarbonTable WHERE SEGMENT.ID IN (0);

DELETE FROM TABLE CarbonDatabase.CarbonTable WHERE SEGMENT.ID IN (0,5,8);

System Response

Success or failure will be recorded in the CarbonData log.

Parent topic: DML