[ http://issues.apache.org/jira/browse/DERBY-1492?page=all ]
Bryan Pendleton updated DERBY-1492:
-----------------------------------
Attachment: alterColumnNotNull_1.diff
Attached is alterColumnNotNull_1.diff. This patch proposal merges the
db2AlterColumn and columnAlterClause routines in the parser into a single
routine to handle all the ALTER TABLE ALTER COLUMN variants. Note that the
parser changes in this diff are identical to the parser changes in DERBY-1491;
the only difference is in the altertable.sql tests.
> Provide ALTER TABLE functionality to change a column from NULL to NOT NULL or
> vice versa
> ----------------------------------------------------------------------------------------
>
> Key: DERBY-1492
> URL: http://issues.apache.org/jira/browse/DERBY-1492
> Project: Derby
> Issue Type: New Feature
> Components: Documentation, SQL
> Affects Versions: 10.0.2.0, 10.0.2.1, 10.1.1.0, 10.2.0.0, 10.1.2.1,
> 10.1.3.0, 10.1.3.1
> Reporter: Bryan Pendleton
> Attachments: alterColumnNotNull_1.diff
>
>
> Allow an existing column in an existing table to be changed from NULL to NOT
> NULL, or vice versa. Probably the syntax for this should be some variant on
> the ALTER TABLE statement.
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