The function invalidSql() returns a list of invalid SQL statements collected by the performance monitor logSql feature.

/* * Connection to DB2 database */

$perf = newPerfMonitor($db);

/* * Enable logging */ $db→logSql();

/* * Execute invalid SQL statement */ $SQL = “SELECT * FROM act where actno > 'A'”;

$db→execute($SQL);

$h = $perf→invalidSql()

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