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RANK
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
The RANK() hypothetical set function calculates the rank with gaps of the hypothetical value, i.e. ranks will be 1, 1, 1, 4, 5, 5, 7 (DENSE_RANK produces values without gaps, e.g. 1, 1, 1, 2, 3, 3, 4)
SELECT rank(0) WITHIN GROUP (ORDER BY AUTHOR_ID), rank(1) WITHIN GROUP (ORDER BY AUTHOR_ID), rank(2) WITHIN GROUP (ORDER BY AUTHOR_ID) FROM BOOK
create.select(
rank(val(0)).withinGroupOrderBy(BOOK.AUTHOR_ID),
rank(val(2)).withinGroupOrderBy(BOOK.AUTHOR_ID),
rank(val(4)).withinGroupOrderBy(BOOK.AUTHOR_ID))
.from(BOOK)
Producing:
+---------+---------+---------+ | rank(0) | rank(1) | rank(2) | +---------+---------+---------+ | 1 | 1 | 3 | +---------+---------+---------+
Dialect support
This example using jOOQ:
rank(val(0)).withinGroupOrderBy(BOOK.ID)
Translates to the following dialect specific expressions:
-- AURORA_POSTGRES, H2, ORACLE, POSTGRES, YUGABYTEDB rank(0) WITHIN GROUP (ORDER BY BOOK.ID) -- ACCESS, ASE, AURORA_MYSQL, BIGQUERY, COCKROACHDB, DB2, DERBY, EXASOL, FIREBIRD, HANA, HSQLDB, INFORMIX, MARIADB, -- MEMSQL, MYSQL, REDSHIFT, SNOWFLAKE, SQLDATAWAREHOUSE, SQLITE, SQLSERVER, SYBASE, TERADATA, VERTICA /* UNSUPPORTED */
(These are currently generated with jOOQ 3.18, see #10141), or translate your own on our website
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