80 lines
1.7 KiB
SQL
80 lines
1.7 KiB
SQL
# name: test/optimizer/statistics/statistics_join_null.test
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# description: Statistics propagation test with joins and null values
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# group: [statistics]
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statement ok
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CREATE TABLE integers AS SELECT * FROM (VALUES (1), (2), (NULL)) tbl(i);
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statement ok
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CREATE TABLE integers2 AS SELECT * FROM (VALUES (4), (5), (NULL)) tbl(i);
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statement ok
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PRAGMA explain_output = OPTIMIZED_ONLY;
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# inner join
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# join cannot match: prune result
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query II
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EXPLAIN SELECT i1.i FROM integers i1 JOIN integers2 i2 ON i1.i=i2.i ORDER BY 1;
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----
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logical_opt <REGEX>:.*EMPTY_RESULT.*
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# join is guaranteed to match... except there are null values!
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# we CANNOT convert to a cross product
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# (well... we could, if we would push a x IS NOT NULL filter on both sides)
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# (but that is for another day)
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query II
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EXPLAIN SELECT i1.i FROM integers i1 JOIN integers2 i2 ON i1.i<i2.i ORDER BY 1;
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----
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logical_opt <!REGEX>:.*CROSS_PRODUCT.*
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query II
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EXPLAIN SELECT i1.i FROM integers i1 JOIN integers2 i2 ON i1.i<=i2.i ORDER BY 1;
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----
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logical_opt <!REGEX>:.*CROSS_PRODUCT.*
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query II
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EXPLAIN SELECT i1.i FROM integers i1 JOIN integers2 i2 ON i2.i>i1.i ORDER BY 1;
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----
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logical_opt <!REGEX>:.*CROSS_PRODUCT.*
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query II
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EXPLAIN SELECT i1.i FROM integers i1 JOIN integers2 i2 ON i2.i>=i1.i ORDER BY 1;
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----
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logical_opt <!REGEX>:.*CROSS_PRODUCT.*
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query I
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SELECT i1.i FROM integers i1 JOIN integers2 i2 ON i1.i=i2.i ORDER BY 1;
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----
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query I
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SELECT i1.i FROM integers i1 JOIN integers2 i2 ON i1.i<i2.i ORDER BY 1;
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----
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query I
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SELECT i1.i FROM integers i1 JOIN integers2 i2 ON i1.i<=i2.i ORDER BY 1;
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----
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query I
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SELECT i1.i FROM integers i1 JOIN integers2 i2 ON i2.i>i1.i ORDER BY 1;
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----
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query I
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SELECT i1.i FROM integers i1 JOIN integers2 i2 ON i2.i>=i1.i ORDER BY 1;
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----
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