PERCENTILE_DISC
适用于 ✅ 开源版 ✅ 专业版 ✅ 企业版
PERCENTILE_DISC() 聚合函数是一个 有序集合函数，用于计算所有输入值的给定离散百分位数。
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)
产生
+------+------+------+------+------+ | 0.00 | 0.25 | 0.50 | 0.75 | 1.00 | +------+------+------+------+------+ | 1 | 1 | 2 | 3 | 4 | +------+------+------+------+------+
方言支持
此示例使用 jOOQ
percentileDisc(0.00).withinGroupOrderBy(BOOK.ID)
翻译成以下特定方言的表达式
Aurora Postgres, Postgres, YugabyteDB
percentile_disc(CAST(0E0 AS double precision)) WITHIN GROUP (ORDER BY BOOK.ID)
BigQuery
percentile_disc(BOOK.ID, 0E0)
Databricks, DuckDB, Exasol, MariaDB, MemSQL, Oracle, Redshift, Snowflake, Teradata
percentile_disc(0E0) WITHIN GROUP (ORDER BY BOOK.ID)
DB2、H2
percentile_disc(CAST(0E0 AS double)) WITHIN GROUP (ORDER BY BOOK.ID)
SQLDataWarehouse, SQLServer
percentile_disc(CAST(0E0 AS float)) WITHIN GROUP (ORDER BY BOOK.ID)
ASE, Access, Aurora MySQL, ClickHouse, CockroachDB, Derby, Firebird, HSQLDB, Hana, Informix, MySQL, SQLite, Sybase, Trino, Vertica
/* UNSUPPORTED */
使用 jOOQ 3.21 生成。早期 jOOQ 版本的支持可能有所不同。 在我们的网站上翻译您自己的 SQL
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