On 02/05/2013 08:38 PM, Ben Madin wrote:
G'day again,
inconceivably, on a completely different issue, I've run into the above error again - this time on both machines, one running 9.1.6, and the other running 9.1.7.
This time, I have a table with locations, some states (level = 1) and some shires (level = 2). level is defined as an integer type (no Modifiers or indexes)
The distribution of these values is best shown by :
SELECT level, count(*) FROM locations GROUP BY level ORDER BY level;
level | count
-------+-------
1 | 18
2 | 876
(2 rows)
If I run this query :
SELECT l.id, l.location, l.abbrev, l.locationcode
FROM locations l
WHERE l.level = 2
ORDER BY split_part(locationcode, '.', 1)::int, split_part(locationcode, '.', 2)::int;
I get many hundreds of results in the correct order. If I change the level to 1:
SELECT l.id, l.location, l.abbrev, l.locationcode
FROM locations l
WHERE l.level = 1
ORDER BY split_part(locationcode, '.', 1)::int, split_part(locationcode, '.', 2)::int;
I get:
ERROR: invalid input syntax for integer: ""
even more confusing, if I take away the ORDER BY clause, it works.
This one I could see if the split_part yielded an empty string.
What type is locationcode and could you provide an example?
Do I have some corruption somewhere?
I have done a dump / reload, any other suggestions?
cheers
Ben
--
Adrian Klaver
adrian.klaver@xxxxxxxxx
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