Class RelWindowProperties

java.lang.Object
org.apache.flink.table.planner.plan.trait.RelWindowProperties

public class RelWindowProperties extends Object
It describes the information of window properties of a RelNode.
  • Method Details

    • create

      @Nullable public static RelWindowProperties create(org.apache.calcite.util.ImmutableBitSet windowStartColumns, org.apache.calcite.util.ImmutableBitSet windowEndColumns, org.apache.calcite.util.ImmutableBitSet windowTimeColumns, WindowSpec windowSpec, org.apache.flink.table.types.logical.LogicalType timeAttributeType)
      Creates a RelWindowProperties, may return null if the window properties can't be propagated (loss window start and window end columns).
    • copy

      @Nullable public RelWindowProperties copy(org.apache.calcite.util.ImmutableBitSet windowStartColumns, org.apache.calcite.util.ImmutableBitSet windowEndColumns, org.apache.calcite.util.ImmutableBitSet windowTimeColumns)
    • copy

      @Nullable public RelWindowProperties copy(org.apache.calcite.util.ImmutableBitSet windowStartColumns, org.apache.calcite.util.ImmutableBitSet windowEndColumns, org.apache.calcite.util.ImmutableBitSet windowTimeColumns, WindowSpec windowSpec)
    • getWindowStartColumns

      public org.apache.calcite.util.ImmutableBitSet getWindowStartColumns()
    • getWindowEndColumns

      public org.apache.calcite.util.ImmutableBitSet getWindowEndColumns()
    • getWindowTimeColumns

      public org.apache.calcite.util.ImmutableBitSet getWindowTimeColumns()
    • getWindowColumns

      public org.apache.calcite.util.ImmutableBitSet getWindowColumns()
    • getWindowSpec

      public WindowSpec getWindowSpec()
    • isRowtime

      public boolean isRowtime()
    • getTimeAttributeType

      public org.apache.flink.table.types.logical.LogicalType getTimeAttributeType()
    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Object
    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object
    • toString

      public String toString()
      Overrides:
      toString in class Object