Amazon Redshift
Database Developer Guide

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Lists the relationship between streams and concurrent segments.

This table is visible to all users. Superusers can see all rows; regular users can see only their own data. For more information, see Visibility of Data in System Tables and Views.

Table Columns

Column Name Data Type Description
userid integer ID of the user who generated the entry.
query integer Query ID. The query column can be used to join other system tables and views.
stream integer The set of concurrent segments of a query.
segment integer Number that identifies the query segment.

Sample Queries

To view the relationship between streams and concurrent segments for the most recent query, type the following query:

select * from svcs_stream_segs where query = pg_last_query_id(); query | stream | segment -------+--------+--------- 10 | 1 | 2 10 | 0 | 0 10 | 2 | 4 10 | 1 | 3 10 | 0 | 1 (5 rows)