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https://issues.apache.org/jira/browse/DDLUTILS-221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12618611#action_12618611
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Thomas Dudziak commented on DDLUTILS-221:
-----------------------------------------
DdlUtils currently does not support unique constraints, neither for creating
nor reading. And apparently the PostgreSql driver returns them as indexes which
makes DdlUtils believe they are.
> ddlutils tries to drop an index in postgres which is really a unique
> constraint
> -------------------------------------------------------------------------------
>
> Key: DDLUTILS-221
> URL: https://issues.apache.org/jira/browse/DDLUTILS-221
> Project: DdlUtils
> Issue Type: Bug
> Components: Core - PostgreSql
> Affects Versions: 1.0
> Reporter: Chris Hyzer
> Assignee: Thomas Dudziak
>
> I have a unique constraint on a col, and ddltuils tries to drop it like its
> only an index, which gives an error:
> [sql] Failed to execute: DROP INDEX fields_name_type_unq
> BUILD FAILED
> C:\mchyzer\isc\dev\grouper-qs-1.2.0\grouper\build.xml:769:
> org.postgresql.util.PSQLException: ERROR: cannot drop index
> fields_name_type_unq because constraint fields_name_type_unq on table
> grouper_fields requires it
> The solution would be to look at db metadata, see that it is a constraint,
> drop the constraint, then drop the index (if it isnt dropped by dropping the
> constraint)
> Thanks,
> chris
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