DB2 - Problem description
Problem IC99823 | Status: Closed |
-901 FROM RUNNING A QUERY. | |
product: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
Problem description: | |
Some necessary conditions to hit the problem are: The query is in a pattern of SELECT FROM (<SUBQUERY1> as A, (SELECT FROM WHERE <ANYCOL> IN <SUBQUERY2>) as B) WHERE A.col1 = B.col1 GROUP BY A.col2; here, SUBQUERY1 = SELECT col1, col2 from <SUBQUERY3> GROUP BY col1, col2 SUBQUERY2 = SELECT DISTINCT col1 from <SUBQUERY3> SUBQUERY3 = SELECT col1, col2 from <base tables> WHERE <ANYPREDICATES> | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * v9.7 * **************************************************************** * PROBLEM DESCRIPTION: * * Some necessary conditions to hit the problem are: * * The query is in a pattern of * * SELECT FROM (<SUBQUERY1> as A, (SELECT FROM WHERE <ANYCOL> * * IN * * <SUBQUERY2>) as B) WHERE A.col1 = B.col1 GROUP BY A.col2; * * * * here, * * SUBQUERY1 = SELECT col1, col2 from <SUBQUERY3> GROUP BY * * col1, * * col2 * * SUBQUERY2 = SELECT DISTINCT col1 from <SUBQUERY3> * * SUBQUERY3 = SELECT col1, col2 from <base tables> WHERE * * <ANYPREDICATES> * **************************************************************** * RECOMMENDATION: * * apply fp10 * **************************************************************** | |
Local Fix: | |
Manually rewrite SUBQUERY2 from "SELECT DISTINCT col1 from <SUBQUERY3>" to "SELECT col1 from <SUBQUERY3> GROUP BY col1". | |
Solution | |
fixed in fp10. | |
Workaround | |
n/a | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 04.03.2014 18.02.2015 18.02.2015 |
Problem solved at the following versions (IBM BugInfos) | |
Problem solved according to the fixlist(s) of the following version(s) | |
9.7.0.10 |