Fix ungroup.

Normand Briere

2019-06-29 a69bb4474a3264a9a7a7f8b8d8154ea771f167c8

 timeflow/data/db/BasicDB.java
..
..
@@ -29,7 +29,7 @@
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 	public BasicDB(String source)
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 	{
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-		this(new Schema(), source);
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+		this(new Schema(true), source);
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 	}
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 	public BasicDB(Schema schema, String source)