The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/9.1/static/sql-copy.html
Description:
When exporting table data to csv boolean value true is written as 't' and
false as 'f'.
Also I am not able to add quotes to any of the values.
Following is the command I am using
COPY "OldModel"."Skills__c" TO
'D:\CopyOutCommandResults\Skill_Category__c.csv' DELIMITER ',' CSV HEADER
QUOTE '"'