Interface BuiltInMetadata.PercentageOriginalRows

  • All Superinterfaces:
    All Known Subinterfaces:
    Enclosing class:

    public static interface BuiltInMetadata.PercentageOriginalRows
    extends Metadata
    Metadata about the proportion of original rows that remain in a relational expression.
    • Method Detail

      • getPercentageOriginalRows

        java.lang.Double getPercentageOriginalRows()
        Estimates the percentage of the number of rows actually produced by a relational expression out of the number of rows it would produce if all single-table filter conditions were removed.
        estimated percentage (between 0.0 and 1.0), or null if no reliable estimate can be determined