How to downgrade from psql version 9.3.1 to 9.2.4

Posted by peeyush singla on Ask Ubuntu See other posts from Ask Ubuntu or by peeyush singla
Published on 2013-11-06T14:19:20Z Indexed on 2013/11/06 16:13 UTC
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13.04

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ruby

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downgrade

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postgresql

I am building up a rails application that I cloned from my friend. I am using Ubuntu 13.10, rails 3.2.14. I am using a postgresql database and when I try to run rake db:migrate it gives me some error like this:

PG::UndefinedObject: ERROR:  type "json" does not exist
LINE 1: ALTER TABLE "filters" ADD COLUMN "search_string" json

I installed pg version :- 9.3.1 but my friend is working on 9.2.4 I don't know why this error is occurring, I tried several times to downgrade using purge or remove commands to remove 9.3.1 all goes well but when I check psql --version it again shows me 9.3.1 . Any solution ???

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