[ http://issues.apache.org/jira/browse/DERBY-1489?page=comments#action_12430541 ] Bryan Pendleton commented on DERBY-1489: ----------------------------------------
The only two places where DependencyManager.DROP_COLUMN appears to be used right now are: java/engine/org/apache/derby/impl/sql/execute/AlterTableConstantAction.java java/engine/org/apache/derby/iapi/sql/dictionary/SPSDescriptor.java Hopefully this means that the impact of creating a new DROP_COLUMN_RESTRICT would be confined to these two places (plus ViewDescriptor.java). > Provide ALTER TABLE DROP COLUMN functionality > --------------------------------------------- > > Key: DERBY-1489 > URL: http://issues.apache.org/jira/browse/DERBY-1489 > Project: Derby > Issue Type: New Feature > Components: Documentation, SQL > Affects Versions: 10.0.2.0, 10.0.2.1, 10.1.1.0, 10.2.1.0, 10.1.2.1, > 10.1.3.0, 10.1.3.1 > Reporter: Bryan Pendleton > Assigned To: Bryan Pendleton > Attachments: dropColumn_2.diff > > > Provide a way to drop a column from an existing table. Possible syntax would > be: > ALTER TABLE tablename DROP COLUMN columnname CASCADE / RESTRICT; > Feature should properly handle columns which are used in constraints, views, > triggers, indexes, etc. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira
