PostgreSQL 7.4.3 Documentation | ||||
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These functions control miscellaneous details of libpq's behavior.
PQsetErrorVerbosity
Determines the verbosity of messages returned by
PQerrorMessage
and PQresultErrorMessage
.
typedef enum { PQERRORS_TERSE, PQERRORS_DEFAULT, PQERRORS_VERBOSE } PGVerbosity; PGVerbosity PQsetErrorVerbosity(PGconn *conn, PGVerbosity verbosity);
PQsetErrorVerbosity
sets the verbosity mode, returning the
connection's previous setting.
In terse mode, returned messages include severity, primary text, and position
only; this will normally fit on a single line. The default mode produces
messages that include the above plus any detail, hint, or context fields
(these may span multiple lines). The VERBOSE mode includes all available
fields. Changing the verbosity does not affect the messages available from
already-existing PGresult objects, only subsequently-created
ones.
PQtrace
Enables tracing of the client/server communication to a debugging file stream.
void PQtrace(PGconn *conn, FILE *stream);
PQuntrace
Disables tracing started by PQtrace
.
void PQuntrace(PGconn *conn);