Package org.apache.iceberg.flink

Class FlinkFilters

  • public class FlinkFilters
extends java.lang.Object

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.util.Optional<Expression> convert​(org.apache.flink.table.expressions.Expression flinkExpression)
      Convert flink expression to iceberg expression.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • convert

        public static java.util.Optional<Expression> convert​(org.apache.flink.table.expressions.Expression flinkExpression)
        Convert flink expression to iceberg expression.

        the BETWEEN, NOT_BETWEEN, IN expression will be converted by flink automatically. the BETWEEN will be converted to (GT_EQ AND LT_EQ), the NOT_BETWEEN will be converted to (LT_EQ OR GT_EQ), the IN will be converted to OR, so we do not add the conversion here

        Parameters:
        flinkExpression - the flink expression
        Returns:
        the iceberg expression