com.espertech.esper.client.soda
Class CountStarProjectionExpression

java.lang.Object
  extended by com.espertech.esper.client.soda.ExpressionBase
      extended by 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

Constructor Summary
CountStarProjectionExpression()
          Ctor - for use to create an expression tree, without inner expression.
 
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 com.espertech.esper.client.soda.ExpressionBase
addChild, getChildren
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

CountStarProjectionExpression

public CountStarProjectionExpression()
Ctor - for use to create an expression tree, without inner expression.

Method Detail

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

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