getBinaryStream returns incorrect result (truncated value) if underlying blob
is deleted
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Key: DERBY-2992
URL: https://issues.apache.org/jira/browse/DERBY-2992
Project: Derby
Issue Type: Bug
Components: JDBC
Affects Versions: 10.2.2.0, 10.3.1.4, 10.4.0.0
Reporter: Kathey Marsden
Attachments: TruncatedBlob.java
If getBinaryStream is reading a value (READ_UNCOMMITTED) and the row is deleted
by another connection, a truncated value will be returned without error. I
believe instead either the whole value or an IOException should occur.
With 10.2 and higher with the repro attahed we get:
> java TruncatedBlob
Embedded:
Read 32669 bytes
0 rows in BLOBCLOB
With 10.1
Embedded:
Read 40000 bytes (OK)
0 rows in BLOBCLOB
Note network server returns the full value for both 10.1 and 10.2 but gives a
lock timeout for 10.2+. I will file a separate issue for that.
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