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pg_trace

(PHP 4 >= 4.0.1)

pg_trace -- Enable tracing a PostgreSQL connection

Description

bool pg_trace (string filename [, string mode [, int connection]])

Enables tracing of the PostgreSQL frontend/backend communication to a debugging file. To fully understand the results one needs to be familiar with the internals of PostgreSQL communication protocol. For those who are not, it can still be useful for tracing errors in queries sent to the server, you could do for example grep '^To backend' trace.log and see what query actually were sent to the PostgreSQL server.

Filename and mode are the same as in fopen() (mode defaults to 'w'), connection specifies the connection to trace and defaults to the last one opened.

Returns TRUE if filename could be opened for logging, FALSE otherwise.

See also fopen() and pg_untrace().

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