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@@ -0,0 +1,43 @@
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+/*##############################################################################
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+
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+ HPCC SYSTEMS software Copyright (C) 2019 HPCC Systems®.
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+
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+ Licensed under the Apache License, Version 2.0 (the "License");
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+ you may not use this file except in compliance with the License.
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+ You may obtain a copy of the License at
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+
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+ http://www.apache.org/licenses/LICENSE-2.0
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+
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+ Unless required by applicable law or agreed to in writing, software
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+ distributed under the License is distributed on an "AS IS" BASIS,
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+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ See the License for the specific language governing permissions and
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+ limitations under the License.
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+############################################################################## */
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+
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+IMPORT STD;
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+
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+#onwarning (4523, ignore);
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+
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+rec := RECORD
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+ string15 fname;
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+ string15 lname;
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+ unsigned age;
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+END;
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+
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+inds1 := DATASET([{ 'Aaron', 'Jones', 100}, {'Adam', 'Smith', 90}, {'Bob', 'Brown', 80}, {'Brian', 'Brown', 70 }, {'Charles', 'Dance', 60}, {'Christopher', 'Gould', 50}, {'David', 'Brokenshire', 40}, {'Edward', 'Green', 30}, {'Egbert', 'Sillyname', 20}, {'Freddy', 'Peters', 10} ], rec, DISTRIBUTED);
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+inds2 := DATASET(10, TRANSFORM(rec, SELF.fname := (string)COUNTER; SELF.lname := (string)HASH(COUNTER); SELF.age := 1000-COUNTER));
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+
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+i := INDEX(inds1, { fname }, { lname, age }, '~myindex');
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+i2 := INDEX(inds2, { fname }, { lname, age }, '~myindex');
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+
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+
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+
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+SEQUENTIAL(
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+ OUTPUT(inds1, , '~ds1', OVERWRITE);
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+ OUTPUT(inds2, , '~ds2', OVERWRITE);
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+ BUILDINDEX(i, SORTED, OVERWRITE);
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+ OUTPUT(i);
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+ BUILDINDEX(i2, OVERWRITE);
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+ OUTPUT(i2);
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+);
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Gavin Halliday