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https://issues.apache.org/jira/browse/DERBY-4677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mamta A. Satoor reassigned DERBY-4677:
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Assignee: Mamta A. Satoor
> SYSCS_COMPRESS_TABLE disables unique constraints
> ------------------------------------------------
>
> Key: DERBY-4677
> URL: https://issues.apache.org/jira/browse/DERBY-4677
> Project: Derby
> Issue Type: Bug
> Affects Versions: 10.4.2.1, 10.5.1.1, 10.5.3.0, 10.6.1.0
> Environment: Output of sysinfo:
> ------------------ Java Information ------------------
> Java Version: 1.6.0_20
> Java Vendor: Sun Microsystems Inc.
> Java home: C:\Program Files (x86)\Java\jre6
> Java classpath: .;C:\Program Files
> (x86)\Java\jre6\lib\ext\QTJava.zip;C:\Users\BMASON\Sandbox\libs\db-derby-10.6.1.0-bin\bin\../lib/derby.jar;C:\Users\BMASON\Sandbox\libs\db-derby-10.6.1.0-bin\bin\../lib/derbynet.jar;C:\Users\BMASON\Sandbox\libs\db-derby-10.6.1.0-bin\bin\../lib/derbyclient.jar;C:\Users\BMASON\Sandbox\libs\db-derby-10.6.1.0-bin\bin\../lib/derbytools.jar
> OS name: Windows 7
> OS architecture: x86
> OS version: 6.1
> Java user name: bmason
> Java user home: C:\Users\BMASON
> Java user dir: C:\Users\BMASON\Sandbox\libs\db-derby-10.6.1.0-bin\bin
> java.specification.name: Java Platform API Specification
> java.specification.version: 1.6
> java.runtime.version: 1.6.0_20-b02
> --------- Derby Information --------
> JRE - JDBC: Java SE 6 - JDBC 4.0
> [C:\Users\BMASON\Sandbox\libs\db-derby-10.6.1.0-bin\lib\derby.jar] 10.6.1.0 -
> (938214)
> [C:\Users\BMASON\Sandbox\libs\db-derby-10.6.1.0-bin\lib\derbytools.jar]
> 10.6.1.0 - (938214)
> [C:\Users\BMASON\Sandbox\libs\db-derby-10.6.1.0-bin\lib\derbynet.jar]
> 10.6.1.0 - (938214)
> [C:\Users\BMASON\Sandbox\libs\db-derby-10.6.1.0-bin\lib\derbyclient.jar]
> 10.6.1.0 - (938214)
> ------------------------------------------------------
> ----------------- Locale Information -----------------
> Current Locale : [English/New Zealand [en_NZ]]
> Found support for locale: [cs]
> version: 10.6.1.0 - (938214)
> Found support for locale: [de_DE]
> version: 10.6.1.0 - (938214)
> Found support for locale: [es]
> version: 10.6.1.0 - (938214)
> Found support for locale: [fr]
> version: 10.6.1.0 - (938214)
> Found support for locale: [hu]
> version: 10.6.1.0 - (938214)
> Found support for locale: [it]
> version: 10.6.1.0 - (938214)
> Found support for locale: [ja_JP]
> version: 10.6.1.0 - (938214)
> Found support for locale: [ko_KR]
> version: 10.6.1.0 - (938214)
> Found support for locale: [pl]
> version: 10.6.1.0 - (938214)
> Found support for locale: [pt_BR]
> version: 10.6.1.0 - (938214)
> Found support for locale: [ru]
> version: 10.6.1.0 - (938214)
> Found support for locale: [zh_CN]
> version: 10.6.1.0 - (938214)
> Found support for locale: [zh_TW]
> version: 10.6.1.0 - (938214)
> ------------------------------------------------------
> Reporter: Brett Mason
> Assignee: Mamta A. Satoor
>
> It appears that running SYSCS_UTIL.SYSCS_COMPRESS_TABLE on a table with a
> null-able unique constraint will disable the unique constraint. The script
> below should reproduce the problem. The expected behaviour is for the second
> insert to fail due to the unique constraint but instead it is allowed. The
> second insert will fail as expected if either the call to
> SYSCS_COMPRESS_TABLE is skipped or if the column is declared NOT NULL.
> I have reproduced the problem using embedded Derby 10.5.1.1, 10.5.3.0 and
> 10.6.1.0 using ij.
> CREATE TABLE TABLE1(NAME1 INT UNIQUE);
> CALL SYSCS_UTIL.SYSCS_COMPRESS_TABLE('APP', 'TABLE1', 1);
> INSERT INTO TABLE1(NAME1) VALUES(1);
> INSERT INTO TABLE1(NAME1) VALUES(1);
> SELECT * FROM TABLE1;
> DROP TABLE TABLE1;
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