Gerald

Bingo! You solved it. Thank you very much!

It's of type SMALLINT

Nope for this particular example: the generated file is empty (despite the logs)...

Nope for this particular example: the generated file is empty (despite the logs)...

We already exchanged by email last week (remember geo_commune?). By the way I can...

Then what's wrong? Why are rows missing? What is the condition which makes rows being...

My understanding of this question is that if I have a table A with a foreign key...

From what I see the missing rows are always range of IDs: for collected IDs 1,2,3,4,5,6,7,8,9...