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UNION DISTINCT accept BLOB fields [CORE1530] #1946
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Modified by: @dyemanovassignee: Dmitry Yemanov [ dimitr ] |
Modified by: @dyemanovstatus: Open [ 1 ] => Resolved [ 5 ] resolution: Fixed [ 1 ] Fix Version: 2.1 RC1 [ 10201 ] |
Commented by: @dyemanov Restored the legacy behavior until we're able to implement DISTINCT for blobs properly. |
Modified by: @dyemanovFix Version: 2.1 RC1 [ 10201 ] => |
Modified by: @pcisarWorkflow: jira [ 13333 ] => Firebird [ 14017 ] |
Modified by: @dyemanovassignee: Dmitry Yemanov [ dimitr ] => |
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Submitted by: @hvlad
Is related to QA196
Since FB 2.1 it is illegal to sort blobs i.e. ORDER BY BLOB_FIELD is rejected by the engine
Union also involves sorting but (wrongly) accept BLOB fields :
SELECT F.RDB$DESCRIPTOR FROM RDB$FORMATS F
UNION
SELECT F.RDB$DESCRIPTOR FROM RDB$FORMATS F
Commits: b32234e fec2f3e c952f13
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