com.espertech.esper.client.soda
Class CountStarProjectionExpression
java.lang.Object
com.espertech.esper.client.soda.ExpressionBase
com.espertech.esper.client.soda.CountStarProjectionExpression
- All Implemented Interfaces:
- Expression, Serializable
public class CountStarProjectionExpression
- extends ExpressionBase
Count of (distinct) rows, equivalent to "count(*)"
- See Also:
- Serialized Form
Method Summary |
void |
toEPL(StringWriter writer)
Renders the expressions and all it's child expression, in full tree depth, as a string in
language syntax. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
CountStarProjectionExpression
public CountStarProjectionExpression()
- Ctor - for use to create an expression tree, without inner expression.
toEPL
public void toEPL(StringWriter writer)
- Description copied from interface:
Expression
- Renders the expressions and all it's child expression, in full tree depth, as a string in
language syntax.
- Parameters:
writer
- is the output to use