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13 lines
422 B
MySQL
13 lines
422 B
MySQL
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create temporary table wups (a Array(Nullable(String)));
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select count(), a[1] from wups group by a[1];
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insert into wups (a) values(['foo']);
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select count(), a[1] from wups group by a[1];
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insert into wups (a) values([]);
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select count(), a[1] from wups group by a[1] order by a[1];
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drop temporary table wups;
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create temporary table wups (a Array(Nullable(String)));
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insert into wups (a) values([]);
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select a[1] from wups;
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