Users selecting "All Choices" on columns in fact table

We have a dimensionalised data structure in our Oracle DW and the fact table contains 750million rows. I'm finding the users are selecting a column in the fact table to filter on, and selecting the "All Choices" option. This then runs an SQL like:
select distinct(column_name) from column_table
Which kills the DW server.
Does anyone know of a way of stopping this? to only allow the All Choices option on one of the dimension tables?
Oracle 11g
BI 10.1.3.4.1
both on Redhat LINUX
Thanks in advance.

Thanks to all for advice/suggestions. In the end I resolved this ( rather a brute force method ) by hacking adjusting one of the XML message documents, standardviewtemplates.xml, that I'd copied into the customMessages directory.
Its a real shame as it removes that function for all users on every table, but some users keep selecting the "All Choices" option even after being told not to.

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I made a button to refresh the value of select one choice and it doesn't work yet.
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