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Test materialize() on sparse columns
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@ -0,0 +1,50 @@
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-- { echoOn }
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SELECT dumpColumnStructure(id) FROM sparse_t;
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UInt64, Sparse(size = 2, UInt64(size = 2), UInt64(size = 1))
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UInt64, Sparse(size = 2, UInt64(size = 2), UInt64(size = 1))
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SELECT dumpColumnStructure(materialize(id)) FROM sparse_t;
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UInt64, UInt64(size = 2)
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UInt64, UInt64(size = 2)
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SELECT dumpColumnStructure(u) FROM sparse_t;
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UInt64, Sparse(size = 2, UInt64(size = 1), UInt64(size = 0))
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UInt64, Sparse(size = 2, UInt64(size = 1), UInt64(size = 0))
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SELECT dumpColumnStructure(materialize(u)) FROM sparse_t;
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UInt64, UInt64(size = 2)
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UInt64, UInt64(size = 2)
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SELECT dumpColumnStructure(s) FROM sparse_t;
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String, Sparse(size = 2, String(size = 2), UInt64(size = 1))
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String, Sparse(size = 2, String(size = 2), UInt64(size = 1))
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SELECT dumpColumnStructure(materialize(s)) FROM sparse_t;
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String, String(size = 2)
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String, String(size = 2)
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SELECT dumpColumnStructure(arr1) FROM sparse_t;
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Array(String), Array(size = 2, UInt64(size = 2), String(size = 1))
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Array(String), Array(size = 2, UInt64(size = 2), String(size = 1))
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SELECT dumpColumnStructure(materialize(arr1)) FROM sparse_t;
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Array(String), Array(size = 2, UInt64(size = 2), String(size = 1))
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Array(String), Array(size = 2, UInt64(size = 2), String(size = 1))
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SELECT dumpColumnStructure(arr2) FROM sparse_t;
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Array(UInt64), Array(size = 2, UInt64(size = 2), UInt64(size = 1))
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Array(UInt64), Array(size = 2, UInt64(size = 2), UInt64(size = 1))
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SELECT dumpColumnStructure(materialize(arr2)) FROM sparse_t;
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Array(UInt64), Array(size = 2, UInt64(size = 2), UInt64(size = 1))
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Array(UInt64), Array(size = 2, UInt64(size = 2), UInt64(size = 1))
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SELECT dumpColumnStructure(t) FROM sparse_t;
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Tuple(a UInt64, s String), Tuple(size = 2, Sparse(size = 2, UInt64(size = 1), UInt64(size = 0)), Sparse(size = 2, String(size = 1), UInt64(size = 0)))
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Tuple(a UInt64, s String), Tuple(size = 2, Sparse(size = 2, UInt64(size = 1), UInt64(size = 0)), Sparse(size = 2, String(size = 1), UInt64(size = 0)))
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SELECT dumpColumnStructure(materialize(t)) FROM sparse_t;
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Tuple(a UInt64, s String), Tuple(size = 2, UInt64(size = 2), String(size = 2))
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Tuple(a UInt64, s String), Tuple(size = 2, UInt64(size = 2), String(size = 2))
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SELECT dumpColumnStructure(t.a) FROM sparse_t;
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UInt64, Sparse(size = 2, UInt64(size = 1), UInt64(size = 0))
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UInt64, Sparse(size = 2, UInt64(size = 1), UInt64(size = 0))
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SELECT dumpColumnStructure(materialize(t.a)) FROM sparse_t;
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UInt64, UInt64(size = 2)
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UInt64, UInt64(size = 2)
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SELECT dumpColumnStructure(t.s) FROM sparse_t;
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String, Sparse(size = 2, String(size = 1), UInt64(size = 0))
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String, Sparse(size = 2, String(size = 1), UInt64(size = 0))
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SELECT dumpColumnStructure(materialize(t.s)) FROM sparse_t;
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String, String(size = 2)
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String, String(size = 2)
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@ -0,0 +1,52 @@
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DROP TABLE IF EXISTS sparse_t;
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CREATE TABLE sparse_t (
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id UInt64,
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u UInt64,
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s String,
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arr1 Array(String),
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arr2 Array(UInt64),
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t Tuple(a UInt64, s String))
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ENGINE = MergeTree ORDER BY tuple()
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SETTINGS ratio_of_defaults_for_sparse_serialization = 0.1;
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INSERT INTO sparse_t SELECT
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number,
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if (number % 2 = 0, number, 0),
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if (number % 2 = 0, toString(number), ''),
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if (number % 2 = 0, [''], []),
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if (number % 2 = 0, [0], []),
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(if (number % 2 = 0, number, 0), '')
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FROM numbers(2);
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-- { echoOn }
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SELECT dumpColumnStructure(id) FROM sparse_t;
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SELECT dumpColumnStructure(materialize(id)) FROM sparse_t;
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SELECT dumpColumnStructure(u) FROM sparse_t;
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SELECT dumpColumnStructure(materialize(u)) FROM sparse_t;
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SELECT dumpColumnStructure(s) FROM sparse_t;
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SELECT dumpColumnStructure(materialize(s)) FROM sparse_t;
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SELECT dumpColumnStructure(arr1) FROM sparse_t;
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SELECT dumpColumnStructure(materialize(arr1)) FROM sparse_t;
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SELECT dumpColumnStructure(arr2) FROM sparse_t;
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SELECT dumpColumnStructure(materialize(arr2)) FROM sparse_t;
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SELECT dumpColumnStructure(t) FROM sparse_t;
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SELECT dumpColumnStructure(materialize(t)) FROM sparse_t;
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SELECT dumpColumnStructure(t.a) FROM sparse_t;
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SELECT dumpColumnStructure(materialize(t.a)) FROM sparse_t;
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SELECT dumpColumnStructure(t.s) FROM sparse_t;
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SELECT dumpColumnStructure(materialize(t.s)) FROM sparse_t;
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-- { echoOff }
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DROP TABLE IF EXISTS sparse_t
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;
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