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PHP Composer

Google Sheets ETL

Import all your Google Sheets to your data warehouse, including periodic delta loads

Screen Shot 2019-11-07 at 15 44 33

See example.php how to use this library.

Install

Via Composer

composer require fulldecent/google-sheets-etl:dev-main

Next, create a Google Service Account. This requires 20 steps so we made a a step-by-step illustrated guide.

Testing

composer test

Google Sheets limitations

We found several problems with using Google Sheets as a database, even though we continue to use it:

  • Cannot restrict editing the first row (headers) to certain people
    • If you try protecting the cells it will prevent everyone from using a filter which is unacceptable
    • Sometimes the page will load slowly and your collaborators will accidentally overwrite the first row, which is default-selected, and it will cause your ETL to error until fixed
  • Cannot restrict that any formatting must apply to the entire column (including new rows)
    • Inevitably, any conditional formatting you try to set up will apply to a disjoint set of cells throughout your sheet over time
  • Cannot restrict that formulas must apply to the entire column (including new rows)
    • Inevitably, over time your calculated "status" column will turn into the text literal "DONE" as people copy-paste-values to new rows
  • Cannot limit people from using formatting in cells (which comes by default when they paste into cells)
  • Cannot enforce a unique column
    • Creating a custom data validation formula is cumbersome and not reliable, plus other collaborators can defeat it
  • Cannot create a sheet-level comment to document the purpose of the whole sheet
  • Filters cannot be used, because they hide rows for everybody
    • If using another mode "filter views", which is harder to find, it will create hundreds of saved "Filter 1", "Filter 2" ... files.

References