/**
* Return the statement execution plan as a String.
*
* @param depth Indentation level.
* @return String The statement execution plan as a String.
*/
public String getStatementExecutionPlanText(int depth) {
initFormatInfo(depth);
return indent
+ MessageService.getTextMessage(SQLState.RTS_SCALAR_AGG_RS)
+ ":\n"
+ indent
+ MessageService.getTextMessage(SQLState.RTS_NUM_OPENS)
+ " = "
+ numOpens
+ "\n"
+ indent
+ MessageService.getTextMessage(SQLState.RTS_ROWS_INPUT)
+ " = "
+ rowsInput
+ "\n"
+ dumpTimeStats(indent, subIndent)
+ "\n"
+ dumpEstimatedCosts(subIndent)
+ "\n"
+ indent
+ MessageService.getTextMessage(SQLState.RTS_INDEX_KEY_OPT)
+ " = "
+ indexKeyOptimization
+ "\n"
+ indent
+ MessageService.getTextMessage(SQLState.RTS_SOURCE_RS)
+ ":\n"
+ childResultSetStatistics.getStatementExecutionPlanText(sourceDepth)
+ "\n";
}
public void accept(XPLAINVisitor visitor) {
int noChildren = 0;
if (this.childResultSetStatistics != null) noChildren++;
// inform the visitor
visitor.setNumberOfChildren(noChildren);
// pre-order, depth-first traversal
// me first
visitor.visit(this);
// then my child
if (childResultSetStatistics != null) {
childResultSetStatistics.accept(visitor);
}
}
/**
* Return information on the scan nodes from the statement execution plan as a String.
*
* @param depth Indentation level.
* @param tableName if not NULL then print information for this table only
* @return String The information on the scan nodes from the statement execution plan as a String.
*/
public String getScanStatisticsText(String tableName, int depth) {
return childResultSetStatistics.getScanStatisticsText(tableName, depth);
}
