I ended up finding a workaround by restructuring my solution so I didn't need this select. Sorry to have posted a question that proved unnecessary. If you're curious I can still send you the query that produced the error but this won't be before monday.
I wish to perform a select in which I join two tables. I want to add an extra field telling me for each selected tuple from table 1 - how many tuples from table 2 were joined with it.
as follows:
table 1:
a %
b %
c +
table 2:
a 1
a 3
a 5
a 7
b 2
b 3
c 4
c 5
c 6
desired result:
a % 1 4
a %...
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