Hi, >json_send like all send functions is internal. Not all functions available in >the >catalog are exposed through SQL -- for example they may be used to serialize >data for transmission over the wire. If you can handle C you can hunt down >the location of the function to see what it does (which isn't much since json >is >an already serialized format). OK. That explains it. I was wondering why we have quite a few functions under pg_catalog and just a few in the documentation. Thank you. Regards, Jayadevan
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