Class GroupingIdExpression

java.lang.Object
com.espertech.esper.common.client.soda.ExpressionBase
com.espertech.esper.common.client.soda.GroupingIdExpression
All Implemented Interfaces:
Expression, Serializable

public class GroupingIdExpression extends ExpressionBase
Grouping_id-function for use with rollup, cube or grouping sets.
See Also:
  • Constructor Details

    • GroupingIdExpression

      public GroupingIdExpression()
      Ctor - for use to create an expression tree, without child expression.

      Use add methods to add child expressions to acts upon.

  • Method Details

    • getPrecedence

      public ExpressionPrecedenceEnum getPrecedence()
      Description copied from interface: Expression
      Returns precedence.
      Returns:
      precedence
    • toPrecedenceFreeEPL

      public void toPrecedenceFreeEPL(StringWriter writer)
      Description copied from class: ExpressionBase
      Renders the expressions and all it's child expression, in full tree depth, as a string in language syntax.
      Specified by:
      toPrecedenceFreeEPL in class ExpressionBase
      Parameters:
      writer - is the output to use