Re: data type - import problem
От | Steve Crawford |
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Тема | Re: data type - import problem |
Дата | |
Msg-id | 50D0AD86.9000508@pinpointresearch.com обсуждение исходный текст |
Ответ на | Re: data type - import problem (Adrian Klaver <adrian.klaver@gmail.com>) |
Список | pgsql-general |
On 12/17/2012 05:46 PM, Adrian Klaver wrote: > On 12/17/2012 05:30 PM, Kirk Wythers wrote: >> Thanks. >> >> Is there a way to use the float4 data type for a variable when empty >> records contain "NA", instead of nothing? As you can see below the >> variable "A_TC_AVG1" has the first record filled with "NA" signifying >> that the record is empty? Records that contain values will have decimal >> values like 12.3456. >> > > Either preprocess the data to turn NA into NULL or put the data into a > staging table that is looser about types (i.e. use varchar for this > column) and then transform in place and then move over into the final > table. > > Although it may be overkill for a simple case like this, especially if it is a one-time load, there are plenty of open-source ETL tools out there: https://www.google.com/search?q=open+source+etl Cheers, Steve
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