uCosminexus Stream Data Platform - Application Framework Application Development Guide
The following table shows the limit values applicable to query definitions.
Table 3-10 Limit values applicable to query definitions
| No. | Item | Value range | |
|---|---|---|---|
| 1 | Number of CQL commands that can be specified in a single input file | 1 to 1,024 | |
| 2 | Length of a CQL command | 1 to 300,000 characters | |
| 3 | Number of strings inside a stream | 1 to 3,000 | |
| 4 | Length of each stream data item (size of a line) | 1 to 2,147,483,647 bytes | |
| 5 | Name size (stream name, relation name, query name, column name, and alias) | 1 to 100 characters | |
| 6 | Number of search items (number of select expressions in the SELECT clause) | 1 to 3,000 | |
| 7 | Column specification list | 1 to 255 | |
| 8 | Number of comparison predicates and parentheses inside a search condition | 1 to 255 | |
| 9 | The total number of streams and relations that can be specified in a CQL query | 1 to 64 | |
| 10 | Number of lines that can exist in the ROWS window | 1 to 100,000 | |
| 11 | Time specification | SECOND | 1 to 2,678,400 |
| 12 | MILLISECOND | 1 to 86,400,000 | |
| 13 | MINUTE | 1 to 44,640 | |
| 14 | HOUR | 1 to 744 | |
| 15 | DAY | 1 to 31 | |
All Rights Reserved. Copyright (C) 2011, Hitachi, Ltd.