When I enter ' into one of parameters, then
"PHP raised unknown error: pg_query() [http://php.net/function.pg-query]: Query failed: ERROR: syntax error in tsquery: "'" (more details about error - in log file)
PHP raised unknown error: pg_fetch_array() expects parameter 1 to be resource, boolean given (more details about error - in log file)" appears. Is it a guarantee that there is sql injection there?