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LAST_VALUE
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
The LAST_VALUE window function allows for getting the value of an expression evaluated on the last row of the window.
SELECT
ID,
last_value(ID) OVER (ORDER BY ID
ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING),
last_value(ID) OVER (ORDER BY ID
ROWS BETWEEN CURRENT ROW AND 1 FOLLOWING)
FROM
BOOK;
create.select(
BOOK.ID,
lastValue(BOOK.ID).over(orderBy(BOOK.ID)
.rowsBetweenUnboundedPreceding().andUnboundedFollowing()),
lastValue(BOOK.ID).over(orderBy(BOOK.ID)
.rowsBetweenCurrentRow().andFollowing(1)))
.from(BOOK)
.fetch();
Producing:
+----+------------+------------+ | id | last_value | last_value | +----+------------+------------+ | 1 | 4 | 2 | | 2 | 4 | 3 | | 3 | 4 | 4 | | 4 | 4 | 4 | +----+------------+------------+
- The window frame clause is applied to
LAST_VALUE. The default ofCURRENT ROWbeing the upper bound is questionable, so an explicit upper bound is usually required. -
LAST_VALUEsupports the optional NULL treatment clause.
Dialect support
This example using jOOQ:
lastValue(BOOK.ID).over(orderBy(BOOK.ID))
Translates to the following dialect specific expressions:
Aurora Postgres, BigQuery, ClickHouse, CockroachDB, DB2, DuckDB, Exasol, Firebird, H2, Hana, Informix, MariaDB, MemSQL, MySQL, Oracle, Postgres, Redshift, SQLDataWarehouse, SQLServer, SQLite, Snowflake, Sybase, Teradata, Trino, Vertica, YugabyteDB
last_value(BOOK.ID) OVER (ORDER BY BOOK.ID)
ASE, Access, Aurora MySQL, Derby, HSQLDB
/* UNSUPPORTED */
Generated with jOOQ 3.20. Translate your own SQL on our website
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