v.reclass no output

Question

I want to reclassify a polygon vector and use v.reclass.

Feature type: boundary

Name of column: LBA

Reclass Rule: I use a .txt with the following content:

CASE
WHEN  LBA  = 68 THEN 2
WHEN  LBA  = 69 THEN 1
ELSE NULL
END

There is no result and no error message...

Answer 1

As far as I know, the code you typed is not suitable for v.reclass but for Field calculator in QGIS. In any case, you should add double quotes and single quotes to your code:

• double quotes for column names: "LBA"
• single quotes for values if they are in a varchar columns: '68'

• if the LBA column or the column that will save your reclassified values is an integer/real/double columns, single quotes are not necessary.

  CASE
    WHEN "LBA" = 68 THEN 2
    WHEN "LBA" = 69 THEN 1
    ELSE NULL
  END