9c82a5d248
* feat(trino): intergrate prestoGrammar to dt-sql-parser * feat(trino): add trinoSQl test framework * feat(trino): intergrate test files for trinoSQL * test(trino): support alterStatement test * test(trino): support alter table set authorization statement * feat(trino): complete trinosql alter unit tests * test(trino): complete dropStatement unit cases for trinosql * test(trino): complete create statement unit cases for trinoSQL * test(trino): complete insertStatement unit cases for trinoSQl * test(trino): dropStatement test files changed to short line split * test(trino): complete selectStatement unit cases and grammar check * test(trino): complete commentStatement unit case for trinoSQL * test(trino): complete analyze commit and call clause unit case * test(trino): complete delete deny and describe statement unit case * test(trino): complete explain execute and grant statement unit case * feat(trino): improve GRANT Role grammar * test(trino): complete show statement unit case * test(trino): complete truncateTable startTransaction update and values statement unit case * test(trino): improve update statement test cases * test(trino): complete revoke revoke roles and rollback statement unit case * test(trino): add set statement test case * feat: generator new trino parser and lexer file * feat(trino): improve alter statement grammar * test(trino): complete alter statement unit cases * feat(trino): support case-insensitive lexers * fix(trino): rm unless gen files * test(trino): complete merge and reset session statement unit cases * test(trino): complete merge anduse statement unit cases * test(trino): complete prepare and refresh materialized view statement unit cases * test(trino): improve statement unit cases * test(trino): complete match recognize statement unit cases * test(trino): complete window with row pattern recognition statement unit cases
29 lines
525 B
SQL
29 lines
525 B
SQL
SELECT a, b
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FROM (
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SELECT a, MAX(b) AS b FROM t GROUP BY a
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) AS x;
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WITH x AS (SELECT a, MAX(b) AS b FROM t GROUP BY a)
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SELECT a, b FROM x;
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WITH
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t1 AS (SELECT a, MAX(b) AS b FROM x GROUP BY a),
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t2 AS (SELECT a, AVG(d) AS d FROM y GROUP BY a)
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SELECT t1.*, t2.*
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FROM t1
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JOIN t2 ON t1.a = t2.a;
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WITH
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x AS (SELECT a FROM t),
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y AS (SELECT a AS b FROM x),
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z AS (SELECT b AS c FROM y)
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SELECT c FROM z;
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WITH RECURSIVE t(n) AS (
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VALUES (1)
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UNION ALL
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SELECT n + 1 FROM t WHERE n < 4
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)
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SELECT sum(n) FROM t;
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