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Question

Inline Querier EXCEPT vs NOT IN

  • April 11, 2018
  • 1 reply
  • 17 views
nicholas
Contributor
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I want to use Inline Querier to find all rows in table CSV that are not in table DCDB. Lot_plan is the common column

this works (returns rows)

SELECT Lot_plan FROM CSV

EXCEPT

SELECT Lot_plan FROM DCDB

This does not work (returns zero rows)

SELECT * FROM CSV

WHERE Lot_plan NOT IN (SELECT Lot_plan FROM DCDB)

Why does the EXCEPT statement work and not the NOT IN statement?

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1 reply

takashi
Celebrity
  • takashiCelebrity
  • 7843 replies
  • April 11, 2018

I was not able to reproduce the issue. The NOT IN operator works fine, as well as the EXCEPT operator. See the attached demo: inlinequerier-except-vs-not-in.fmwt (FME 2017.1.2.1)

Why not inspect features with Visual/Data Preview and Feature/Record Information before writing them into a destination dataset?

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