uCosminexus Stream Data Platform - Application Framework Application Development Guide

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3.5.2 Limit values applicable to query definitions

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