I was creating a google sheets query that's pretty simple:
query(<range>,"select Col2 where Col1 contains <number with decimals>")
I noticed that it works when the number with decimals contains just 5 decimals, but breaks when it has 6 decimals! I illustrated this problem here:
You can see the above spreadsheet here
note: knowing this limitation, I'm using this method to make the above work:
query(<range>,"select Col2 where Col1 contains "&trunc(<cell>,5))