I used this following command to set a variable in psql:
\set data_dir '/source_code/lookup/data'
And then I tried to used that variable inside a \copy command like this:
\COPY mytable_lookup FROM :data_dir/mytable_lookup.txt delimiter '|'
I was expecting that ‘:data_dir’ will be replaced by the value that was defined earlier, but got this error
message:
:data_dir/mytable_lookup.txt: Invalid argument
I have a feeling it is considering the whole ‘data_dir/mytable_lookup.txt’ as a variable name.
Is there anything in psql that is equivalent to shell script’s ${var_name} to denote the beginning and
end of a variable name?
Thanks.
Syed
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