pg_exec submits a command to the
PostgreSQL server and returns a result.
Command result handles start with the connection handle and add a
period and a result number.
Note that lack of a Tcl error is not proof that the command
succeeded! An error message returned by the server will be
processed as a command result with failure status, not by
generating a Tcl error in
The handle of the connection on which to execute the command.
The SQL command to execute.
A result handle. A Tcl error will be returned if
pgtcl was unable to obtain a server
response. Otherwise, a command result object is created and a
handle for it is returned. This handle can be passed to
pg_result to obtain the results of the