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http://www.openoffice.org/issues/show_bug.cgi?id=97811





------- Additional comments from erem...@openoffice.org Sun Mar 15 22:27:38 
+0000 2009 -------
I played with the internal database of Base and found the same issue as I
reported for Base with MS Access. The internal database supports two
concatenation operators '||' and '+'. Base is not able to parse queries that use
the '+' operator for concatenation in combination with a literal value. I
attached a test database "97811.ods" that contains the following queries:

"q_concat_col_plus_col with Base SQL: ok"
This query proves that concatenation with '+' symbol is supported with internal
database.

"q_concat_col_plus_literal with Direct SQL:ok"
This query proves that concatenation with '+' symbol is supported with internal
database in direct SQL mode. Disable Direct SQL mode makes the query fail.

"q_concat_col_plus_literal via derived table with Base SQL: ok"
This proves the workaround by using a derived table.

Note the other 'workaround' for internal Base database is to use the more common
'||' operator, but that is no available for MS access.

I assume that both databases suffer from the fact that Base SQL parser can not
parse literal string values in combination with '+' symbol as string 
concatenation.

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