https://bugs.documentfoundation.org/show_bug.cgi?id=141579

--- Comment #2 from [email protected] ---
This bug still occurs at LibreOffice version 7.4.3.2 on OpenSuse leap 15.5 and
Windows 10

To summarise: 
In LibreOffice Base when using Edit\Database\Advanced Settings there is an
option to select/de-select "Append the table alias name on SELECT statements"
as well the option "Use keyword AS before table alias names"

Even when these options are "not" checked the resulting SQL query includes the
aliasing of the table being selected with same name.  

EG:

SELECT "AT_ID", "NAME1" FROM "CM" "CM"

The only option related to using a table alias that is honoured is the "Use
keyword AS before table  alias names" 

When "Append the table alias name on SELECT statements" is "not" checked and 
and "Use keyword AS before table alias names" "is" checked:

SELECT "AT_ID", "NAME1" FROM "CM" AS "CM"

>From this one can deduce that the option "Append the table alias name on SELECT
statements" is being ignored.

The database using this JDBC driver requires that if a table is aliased it be
to a unique name eg T1.CM - this is commonly done in many BI tools as well

Because the options are not being honoured the query has to be manually edited
to remove the alias.  This can get complex when there many tables in the query.

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