Re: gexec from command prompt?

čt 12. 1. 2023 v 18:25 odesílatel Ron <ronljohnsonjr(at)gmail(dot)com> napsal:

> Postgresql 12.11
>
> This might be more of a bash question, or it might be a psql vs engine
> problem.
>
> I want to run this query using psql from a bash prompt:
> select format('SELECT ''%s'', MIN(part_date) FROM %s;', table_name,
> table_name)
> from dba.table_structure
> order by table_name\gexec
>
> Thus, I added an extra back
>
> $ psql sides -atXc "select format('SELECT ''%s'', MIN(part_date) FROM
> %s;',
> table_name, table_name) from dba.table_structure order by table_name limit
> 5\\gexec"
> select format('SELECT ''%s'', MIN(part_date) FROM %s;', table_name,
> table_name) from dba.table_structure order by table_name limit 5\gexec
> ERROR: syntax error at or near "\"
> LINE 1: ...) from dba.table_structure order by table_name limit 5\gexec
>
> Removing "\\exec" from the statement, and appending -c "\\gexec" to the
> psql
> command technically worked, but did not run the commands.
>

I don't know why, but \g* commands don't work from the -c option. But in
this case it is not necessary

you can psql -c "xxx" | psql

Regards

Pavel

>
> --
> Born in Arizona, moved to Babylonia.
>
>
>