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Viewing changes to tests/t/sum_distinct.test

  • Committer: Brian Aker
  • Date: 2009-02-21 00:18:15 UTC
  • Revision ID: brian@tangent.org-20090221001815-x20e8h71e984lvs1
Completion (?) of uint conversion.

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tests/t/sum_distinct.test
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  SUM(DISTINCT LENGTH(g1.name)) s1,
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  SUM(DISTINCT SUBSTRING(g2.name, 1, 3)) s2,
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  SUM(DISTINCT LENGTH(SUBSTRING(g3.name, 1, 4))) s3
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FROM t1 g1 CROSS JOIN t1 g2 CROSS JOIN t1 g3;
 
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FROM t1 g1, t1 g2, t1 g3;
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SELECT
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  SQL_BIG_RESULT
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  SUM(DISTINCT LENGTH(g1.name)) s1,
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  SUM(DISTINCT SUBSTRING(g2.name, 1, 3)) s2,
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  SUM(DISTINCT LENGTH(SUBSTRING(g3.name, 1, 4))) s3
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FROM t1 g1 CROSS JOIN t1 g2 CROSS JOIN t1 g3 GROUP BY LENGTH(SUBSTRING(g3.name, 5, 10));
 
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FROM t1 g1, t1 g2, t1 g3 GROUP BY LENGTH(SUBSTRING(g3.name, 5, 10));
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# here we explicitly request summing through temporary table (so
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# Item_sum_sum_distinct::copy_or_same() is called)
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  SUM(DISTINCT LENGTH(SUBSTRING(name, 1, 4))) s3
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FROM t1;
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SELECT SQL_BIG_RESULT
 
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SELECT SQL_BUFFER_RESULT
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  SUM(DISTINCT LENGTH(g1.name)) s1,
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  SUM(DISTINCT SUBSTRING(g2.name, 1, 3)) s2,
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  SUM(DISTINCT LENGTH(SUBSTRING(g3.name, 1, 4))) s3
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FROM t1 g1 CROSS JOIN t1 g2 CROSS JOIN t1 g3 GROUP BY LENGTH(SUBSTRING(g3.name, 5, 10));
 
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FROM t1 g1, t1 g2, t1 g3 GROUP BY LENGTH(SUBSTRING(g3.name, 5, 10));
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# this test demonstrates that strings are automatically converted to numbers
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# before summing