I have a table (pubacc_lo) from the US government with 500,00+ rows. It has 
latitude and longitude in three columns each for degrees, minutes and seconds. 
I need a Point geometry column. So I wrote this query:

with mydata AS (SELECT (pubacc_lo.lat_degrees + pubacc_lo.lat_minutes/60 + 
pubacc_lo.lat_seconds/3600) as lat , (pubacc_lo.long_degrees + 
pubacc_lo.long_minutes/60 + pubacc_lo.long_seconds/3600) as long FROM pubacc_lo)
UPDATE pubacc_lo SET lonlat_84 = ST_SetSRID(ST_makePOINT(long,lat),4326) FROM 
mydata;

It appears to work, but is going to take days it seems to finish. Anybody have 
a faster way?


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