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76083892cd
* feat: support UNNEST Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * fix clippy and sqlness Signed-off-by: Ruihang Xia <waynestxia@gmail.com> --------- Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
68 lines
2.0 KiB
SQL
68 lines
2.0 KiB
SQL
-- Licensed to the Apache Software Foundation (ASF) under one
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-- or more contributor license agreements. See the NOTICE file
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-- distributed with this work for additional information
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-- regarding copyright ownership. The ASF licenses this file
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-- to you under the Apache License, Version 2.0 (the
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-- "License"); you may not use this file except in compliance
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-- with the License. You may obtain a copy of the License at
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--
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-- http://www.apache.org/licenses/LICENSE-2.0
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--
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-- Unless required by applicable law or agreed to in writing,
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-- software distributed under the License is distributed on an
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-- "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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-- KIND, either express or implied. See the License for the
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-- specific language governing permissions and limitations
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-- under the License.
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--
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-- Unnest tests from Apache DataFusion
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-- Basic unnest tests
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SELECT unnest([1,2,3]);
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SELECT unnest(struct(1,2,3));
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-- Table function is not supported for now
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-- SELECT * FROM unnest([1,2,3]);
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-- SELECT * FROM unnest(struct(1,2,3));
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-- SELECT * FROM unnest(struct(1,2,3)), unnest([4,5,6]);
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-- Multiple unnest levels
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SELECT unnest([1,2,3]), unnest(unnest([[1,2,3]]));
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SELECT unnest([1,2,3]) + unnest([1,2,3]), unnest([1,2,3]) + unnest([4,5]);
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SELECT unnest(unnest([[1,2,3]])) + unnest(unnest([[1,2,3]])),
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unnest(unnest([[1,2,3]])) + unnest([4,5]),
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unnest([4,5]);
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-- Unnest with expressions
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SELECT unnest([1,2,3]) + 1, unnest(unnest([[1,2,3]]))* 2;
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-- Complex subquery with unnest
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-- table function is not supported for now
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-- WITH t AS (
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-- SELECT
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-- left1,
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-- width1,
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-- min(column3) as min_height
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-- FROM
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-- unnest(ARRAY[1,2,3,4,5,6,7,8,9,10]) AS t(left1)
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-- CROSS JOIN unnest(ARRAY[1,2,3,4,5,6,7,8,9,10]) AS t1(width1)
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-- WHERE
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-- left1 + width1 - 1 <= 10
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-- AND column3 BETWEEN left1 AND left1 + width1 - 1
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-- GROUP BY
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-- left1, width1
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-- )
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-- SELECT
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-- left1, width1, min_height, min_height * width1 as area
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-- FROM t
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-- WHERE min_height * width1 = (
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-- SELECT max(min_height * width1) FROM t
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-- );
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