select count(*) from dum where the_geom is null gives a result of 0
select count(the_geom) from dum gives a result is 1676, which is the total number of rows in the table
This is consistent with my previous description. The apparently blank the_geom fields apparently have some data, but the data doesn't display. This seems odd, and makes it difficult (impossible for me, so far) to identify the blank fields.
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