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20 lines
626 B
Ruby
20 lines
626 B
Ruby
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# frozen_string_literal: true
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namespace :points do
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desc 'Update points to use lonlat field from latitude and longitude'
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task migrate_to_lonlat: :environment do
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puts 'Updating points to use lonlat...'
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# Use PostGIS functions to properly create geography type
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result = ActiveRecord::Base.connection.execute(<<~SQL)
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UPDATE points
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SET lonlat = ST_SetSRID(ST_MakePoint(longitude, latitude), 4326)::geography
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WHERE lonlat IS NULL
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AND longitude IS NOT NULL
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AND latitude IS NOT NULL;
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SQL
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puts "Successfully updated #{result.cmd_tuples} points with lonlat values"
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end
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end
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