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Thread: CASE WHEN ERROR: Void value

CASE WHEN ERROR: Void value

From
"Thomas T. Thai"
Date:
What does this error mean:

tsearch=# select case when title_fts is null then '' else title_fts end
from article;
ERROR:  Void value
tsearch=#

title_fts is datatype txtidx. If the '' is replaced with 'anything' then
it works fine.

--
Thomas T. Thai