Re: psql scripting tutorials

Peter Eisentraut escribió:

> psql manual page:
>
>    -c command
>
>    --command command
>           Specifies that psql is to execute one command string, command,
>           and then exit. This is useful in shell scripts.
>
>           command must be either a command string that is completely
>           parsable by the server (i.e., it  contains no psql specific
>           features), or a single backslash command. Thus you cannot mix
>           SQL and psql meta-commands with this option.

Doesn't say about variable expansion ...  And it seems to be in a
different realm, because the point is that the command is going to have
a single destination (either \-processing or sending it to the server).

Is psql being just lazy here and avoiding parsing the command?

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Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.