Available in versions: Dev (3.19) | Latest (3.18) | 3.17 | 3.16 | 3.15 | 3.14 | 3.13 | 3.12 | 3.11 | 3.10 | 3.9
PERCENTILE_DISC
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
The PERCENTILE_DISC() aggregate function is an ordered set function that calculates a given discrete percentile of all input values.
SELECT percentile_disc(0.00) WITHIN GROUP (ORDER BY ID), percentile_disc(0.25) WITHIN GROUP (ORDER BY ID), percentile_disc(0.50) WITHIN GROUP (ORDER BY ID), percentile_disc(0.75) WITHIN GROUP (ORDER BY ID), percentile_disc(1.00) WITHIN GROUP (ORDER BY ID) FROM BOOK
create.select(
percentileDisc(0.00).withinGroupOrderBy(BOOK.ID),
percentileDisc(0.25).withinGroupOrderBy(BOOK.ID),
percentileDisc(0.50).withinGroupOrderBy(BOOK.ID),
percentileDisc(0.75).withinGroupOrderBy(BOOK.ID),
percentileDisc(1.00).withinGroupOrderBy(BOOK.ID))
.from(BOOK)
Producing:
+------+------+------+------+------+ | 0.00 | 0.25 | 0.50 | 0.75 | 1.00 | +------+------+------+------+------+ | 1 | 1 | 2 | 3 | 4 | +------+------+------+------+------+
Dialect support
This example using jOOQ:
percentileDisc(0.00).withinGroupOrderBy(BOOK.ID)
Translates to the following dialect specific expressions:
-- AURORA_POSTGRES, BIGQUERY, DB2, DUCKDB, EXASOL, MARIADB, MEMSQL, ORACLE, POSTGRES, REDSHIFT, SNOWFLAKE, -- SQLDATAWAREHOUSE, SQLSERVER, TERADATA, YUGABYTEDB percentile_disc(0E0) WITHIN GROUP (ORDER BY BOOK.ID) -- H2 percentile_disc(CAST(0E0 AS double)) WITHIN GROUP (ORDER BY BOOK.ID) -- ACCESS, ASE, AURORA_MYSQL, COCKROACHDB, DERBY, FIREBIRD, HANA, HSQLDB, INFORMIX, MYSQL, SQLITE, SYBASE, TRINO, VERTICA /* UNSUPPORTED */
(These are currently generated with jOOQ 3.19, see #10141), or translate your own on our website
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