Google geocoding API ColdFusion

coldfusion geocodeOkay, that title was a mouthful, but I wanted to accurately describe how decided to Geocode thousands of locations for a client of mine.

Google, awesome as they are, have offered a ridiculously simple API to consume:


But, they naturally have rate limits, and even if they didn't, I'd feel more comfortable using their API responsibly. It is completely free after all.

So, I decided to write a ColdFusion script which does the following:

  1. Pulls a single location record from a database
  2. Sends the address from the record to the Google API
  3. If the API returns a result, store it in the database
  4. Otherwise, indicate that geocoding failed, so we don't attempt to geocode this record again.

Since we're only doing one record at a time, we'll have to set this up to run automatically at a specified interval. This is where the JavaScript part comes in.

I could have setup a cron job without much effort, but knowing me, I'd forget to remove it once geocoding is complete. So, I decided to open up my web browsers console, and drop in the following:

setInterval(function {
url: ' ',
success: function(data) {
console.log(data); }, 35000);

The 35 second interval is enough to comply with Google's 2, 500 query/day limit. The ColdFusion script follows below:

SELECT id, address
FROM locations

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