DiffKit hangs/stalls when comparing tables in HyperSQL with large amount of rows using dropin hsqldb.jar

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What steps will reproduce the problem?
1. Copy a hsqldb.jar for HyperSQL version 2.0.0 in the dropin directory and 
execute a diff against a table with a large amount of rows (for example, my 
table has 10000+).

What is the expected output? What do you see instead?
I expect to see DiffKit perform the diff fairly quickly with status outputs of 
"->1000", "->2000", "->3000", etc. but instead only see a status output of 
"->1000" and the program hanging/stalling after that.

What version of the product are you using? On what operating system?
0.8.10 on Windows

Please provide any additional information below.
When using the default hsqldb.jar embedded within DiffKit, this is no longer a 
problem for me and the expected output is seen.

Original issue reported on code.google.com by jjsz1...@gmail.com on 17 Jan 2011 at 4:30

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Original comment by trur...@gmail.com on 17 Jan 2011 at 8:52

• Changed state: Accepted

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Original comment by trur...@gmail.com on 20 Jan 2011 at 11:40

• Added labels: Priority-High
• Removed labels: Priority-Medium

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Original comment by trur...@gmail.com on 21 Jan 2011 at 12:39

• Changed state: Started