d0ad381833
* test: add spark query unit test and check grammar * test: add select explain、lateralSubQuery、transform unit test * chore: fileName exchange --------- Co-authored-by: dilu <dilu@dtstack.com>
21 lines
1.1 KiB
SQL
21 lines
1.1 KiB
SQL
-- SORT BY { expression [ sort_direction | nulls_sort_order ] [ , ... ] }
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-- Sort rows by `name` within each partition in ascending manner
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SELECT /*+ REPARTITION(zip_code) */ name, age, zip_code FROM person SORT BY name;
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-- Sort rows within each partition using column position.
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SELECT /*+ REPARTITION(zip_code) */ name, age, zip_code FROM person SORT BY 1;
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-- Sort rows within partition in ascending manner keeping null values to be last.
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SELECT /*+ REPARTITION(zip_code) */ age, name, zip_code FROM person SORT BY age NULLS LAST;
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-- Sort rows by age within each partition in descending manner, which defaults to NULL LAST.
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SELECT /*+ REPARTITION(zip_code) */ age, name, zip_code FROM person SORT BY age DESC;
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-- Sort rows by age within each partition in descending manner keeping null values to be first.
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SELECT /*+ REPARTITION(zip_code) */ age, name, zip_code FROM person SORT BY age DESC NULLS FIRST;
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-- Sort rows within each partition based on more than one column with each column having
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-- different sort direction.
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SELECT /*+ REPARTITION(zip_code) */ name, age, zip_code FROM person SORT BY name ASC, age DESC;
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