48 lines
919 B
Plaintext
48 lines
919 B
Plaintext
create table t1 (
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pk int primary key,
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a int,
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b int,
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c real
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);
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insert into t1 values
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(101 , 0, 10, 1.1),
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(102 , 0, 10, 2.1),
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(103 , 1, 10, 3.1),
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(104 , 1, 10, 4.1),
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(108 , 2, 10, 5.1),
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(105 , 2, 20, 6.1),
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(106 , 2, 20, 7.1),
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(107 , 2, 20, 8.15),
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(109 , 4, 20, 9.15),
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(110 , 4, 20, 10.15),
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(111 , 5, NULL, 11.15),
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(112 , 5, 1, 12.25),
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(113 , 5, NULL, 13.35),
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(114 , 5, NULL, 14.50),
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(115 , 5, NULL, 15.65),
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(116 , 6, 1, NULL),
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(117 , 6, 1, 10),
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(118 , 6, 1, 1.1),
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(119 , 6, 1, NULL),
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(120 , 6, 1, NULL),
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(121 , 6, 1, NULL),
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(122 , 6, 1, 2.2),
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(123 , 6, 1, 20.1),
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(124 , 6, 1, -10.4),
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(125 , 6, 1, NULL),
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(126 , 6, 1, NULL),
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(127 , 6, 1, NULL);
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--sorted_result
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select pk, a, b, avg(b) over (partition by a order by pk ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING)
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from t1;
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--sorted_result
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select pk, a, c, avg(c) over (partition by a order by pk ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING)
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from t1;
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drop table t1;
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