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23 lines
1.2 KiB
MySQL
23 lines
1.2 KiB
MySQL
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SET allow_experimental_analyzer = 1;
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SET optimize_fuse_sum_count_avg = 1;
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DROP TABLE IF EXISTS fuse_tbl;
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CREATE TABLE fuse_tbl(a Nullable(Int8), b Int8) Engine = Log;
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INSERT INTO fuse_tbl VALUES (1, 1), (2, 2), (NULL, 3);
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SELECT sum(a + 1), sum(b), count(b), avg(b), count(a + 1), sum(a + 2), count(a) from fuse_tbl SETTINGS optimize_syntax_fuse_functions = 0;
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SELECT sum(a + 1), sum(b), count(b), avg(b), count(a + 1), sum(a + 2), count(a) from fuse_tbl;
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EXPLAIN QUERY TREE run_passes = 1 SELECT sum(a + 1), sum(b), count(b), avg(b), count(a + 1), sum(a + 2), count(a) from fuse_tbl;
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EXPLAIN QUERY TREE run_passes = 1 SELECT sum(a), avg(b) from fuse_tbl;
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SELECT sum(x), count(x), avg(x) FROM (SELECT number :: Decimal32(0) AS x FROM numbers(0)) SETTINGS optimize_syntax_fuse_functions = 0;
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SELECT sum(x), count(x), avg(x) FROM (SELECT number :: Decimal32(0) AS x FROM numbers(0));
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SELECT sum(x), count(x), avg(x), toTypeName(sum(x)), toTypeName(count(x)), toTypeName(avg(x)) FROM (SELECT number :: Decimal32(0) AS x FROM numbers(10)) SETTINGS optimize_syntax_fuse_functions = 0;
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SELECT sum(x), count(x), avg(x), toTypeName(sum(x)), toTypeName(count(x)), toTypeName(avg(x)) FROM (SELECT number :: Decimal32(0) AS x FROM numbers(10));
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DROP TABLE fuse_tbl;
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