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@ -35,7 +35,7 @@ Now we could perform some changes to the `pois` to maintain our own ranking:
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UPDATE pois SET rank = random()*4 + 1;
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UPDATE pois SET rank = random()*4 + 1;
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```
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```
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Then, if the source were updated at `/tmp/pois.csv` we could synchronize with it while maintaining our `rank` values with:
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Then, if the source were updated at `/tmp/pois.csv` we could synchronize with it while preserving our `rank` values with:
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```sql
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```sql
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CREATE tmp_pois(cartodb_id int, name text, type text, longitude double precision, latitude double precision, rank int);
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CREATE tmp_pois(cartodb_id int, name text, type text, longitude double precision, latitude double precision, rank int);
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