[postgis] PostgreSql point to Postgis point conversion

[mj_vermeij]

I have a database which contains some point fields. I would like to 
convert these fields to PostGis point fields so that they can be 
indexed. I can create the PostGis fields but would like to fill them 
with the data from the PostgreSql fields, if possible via an UPDATE 
or similar command. Is this possible?


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