Examples with DefaultOptTrace org.apache.derby.impl.sql.compile.DefaultOptTrace used on opensource projects

Example 1 with DefaultOptTrace

use of org.apache.derby.impl.sql.compile.DefaultOptTrace in project derby by apache.

the class OptimizerTrace method setOptimizerTrace.

/**
 * Turn default optimizer tracing on or off.
 *
 * @param onOrOff    Whether to turn optimizer tracing on (true) or off (false).
 */
public static void setOptimizerTrace(boolean onOrOff) {
    OptTrace optimizerTracer = onOrOff ? new DefaultOptTrace() : null;
    setOptimizerTracer(optimizerTracer);
}