Joined July 2012
·
Posted to
Rails 4 & the PostgreSQL Array data type
over 1 year
ago
default: [] (or '{}') will also result in the whole table been traversed to insert '{}' value for each row. This locks the table on a large production table during the migration. Got bitten so just a friendly note =)
Posted to
Remove Empty Helpers
over 1 year
ago
Tests and fixtures might have been generated along with the empty helpers.
This will be a real handy if you can modify it to remove such common files( e.g. productshelper.rb, spec/helpers/productshelper_spec.rb) too.
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In trying to use array fields, it seems that GIN indices are not used when we query the array field with
ANY. We have to use@>to use the index as we typically think it should.I wrote a short one about it. https://coderwall.com/p/ey7mbq.