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19 lines
818 B
SQL
19 lines
818 B
SQL
SET convert_query_to_cnf = 1;
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DROP TABLE IF EXISTS cnf_test;
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CREATE TABLE cnf_test (i Int64) ENGINE = MergeTree() ORDER BY i;
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EXPLAIN SYNTAX SELECT i FROM cnf_test WHERE NOT ((i > 1) OR (i > 2));
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EXPLAIN SYNTAX SELECT i FROM cnf_test WHERE NOT ((i > 1) AND (i > 2));
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EXPLAIN SYNTAX SELECT i FROM cnf_test WHERE ((i > 1) AND (i > 2)) OR ((i > 3) AND (i > 4)) OR ((i > 5) AND (i > 6));
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EXPLAIN SYNTAX SELECT i FROM cnf_test WHERE NOT (((i > 1) OR (i > 2)) AND ((i > 3) OR (i > 4)) AND ((i > 5) OR (i > 6)));
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EXPLAIN SYNTAX SELECT i FROM cnf_test WHERE ((i > 1) AND (i > 2) AND (i > 7)) OR ((i > 3) AND (i > 4) AND (i > 8)) OR ((i > 5) AND (i > 6));
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EXPLAIN SYNTAX SELECT i FROM cnf_test WHERE ((i > 1) OR (i > 2) OR (i > 7)) AND ((i > 3) OR (i > 4) OR (i > 8)) AND NOT ((i > 5) OR (i > 6));
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DROP TABLE cnf_test;
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