Package org.eigenbase.util

Examples of org.eigenbase.util.Permutation.inverse()

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          return;
        }
        final Permutation product = topPermutation.product(bottomPermutation);
        call.transformTo(
            RelOptUtil.projectMapping(bottomProject.getChild(),
                product.inverse(), topProject.getRowType().getFieldNames(),
                projectFactory));
        return;
      }
    }
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    final Permutation permutation = program.getPermutation();

    if( permutation == null )
      throw new AssertionError();

    Fields incomingFields = createTypedFields( cluster, Mappings.apply( permutation.inverse(), program.getInputRowType().getFieldList() ), false );
    Fields renameFields = createTypedFieldsSelector( cluster, program.getOutputRowType(), false );

    return new Rename( pipe, incomingFields, renameFields );
    }
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