CENTURY
适用于 ✅ 开源版 ✅ 专业版 ✅ 企业版
从日期时间值中提取 CENTURY 值。
CENTURY 函数是 EXTRACT 的简短版本，它传递一个 DatePart.CENTURY 值作为参数。
SELECT century(DATE '2020-02-03');
create.select(century(Date.valueOf("2020-02-03"))).fetch();
结果是
+---------+ | century | +---------+ | 21 | +---------+
方言支持
此示例使用 jOOQ
century(Date.valueOf("2020-02-03"))
翻译成以下特定方言的表达式
访问
(cdec(((sgn(datepart('yyyy', #2020/02/03 00:00:00#)) * (abs(datepart('yyyy', #2020/02/03 00:00:00#)) + 99)) / 100)) - (((sgn(datepart('yyyy', #2020/02/03 00:00:00#)) * (abs(datepart('yyyy', #2020/02/03 00:00:00#)) + 99)) / 100) < cdec(((sgn(datepart('yyyy', #2020/02/03 00:00:00#)) * (abs(datepart('yyyy', #2020/02/03 00:00:00#)) + 99)) / 100))))
ASE, Sybase
floor(((sign(datepart(yy, '2020-02-03 00:00:00.0')) * (abs(datepart(yy, '2020-02-03 00:00:00.0')) + 99)) / 100))
Aurora MySQL, CockroachDB, Databricks, DuckDB, Exasol, Firebird, H2, HSQLDB, Hana, MariaDB, MySQL, Oracle, Redshift, Snowflake, Teradata, Trino, Vertica
floor(((sign(extract(YEAR FROM TIMESTAMP '2020-02-03 00:00:00.0')) * (abs(extract(YEAR FROM TIMESTAMP '2020-02-03 00:00:00.0')) + 99)) / 100))
Aurora Postgres, Postgres, YugabyteDB
extract(CENTURY FROM TIMESTAMP '2020-02-03 00:00:00.0')
BigQuery
floor(((sign(extract(YEAR FROM DATETIME '2020-02-03 00:00:00.0')) * (abs(extract(YEAR FROM DATETIME '2020-02-03 00:00:00.0')) + 99)) / 100))
ClickHouse
floor(((sign(extract(YEAR FROM TIMESTAMP '2020-02-03 00:00:00')) * (abs(extract(YEAR FROM TIMESTAMP '2020-02-03 00:00:00')) + 99)) / 100))
DB2
floor(((sign(YEAR(TIMESTAMP '2020-02-03 00:00:00.0')) * (abs(YEAR(TIMESTAMP '2020-02-03 00:00:00.0')) + 99)) / 100))
Derby
floor(((sign(YEAR(TIMESTAMP('2020-02-03 00:00:00.0'))) * (abs(YEAR(TIMESTAMP('2020-02-03 00:00:00.0'))) + 99)) / 100))
Informix
floor(((sign(YEAR(DATETIME(2020-02-03 00:00:00.0) YEAR TO FRACTION)) * (abs(YEAR(DATETIME(2020-02-03 00:00:00.0) YEAR TO FRACTION)) + 99)) / 100))
MemSQL
floor(((sign(extract(YEAR FROM {ts '2020-02-03 00:00:00.0'})) * (abs(extract(YEAR FROM {ts '2020-02-03 00:00:00.0'})) + 99)) / 100))
SQLDataWarehouse, SQLServer
floor(((sign(datepart(yy, CAST('2020-02-03 00:00:00.0' AS DATETIME2))) * (abs(datepart(yy, CAST('2020-02-03 00:00:00.0' AS DATETIME2))) + 99)) / 100))
SQLite
floor(((CASE
WHEN CAST(strftime('%Y', '2020-02-03 00:00:00.0') AS int) > 0 THEN 1
WHEN CAST(strftime('%Y', '2020-02-03 00:00:00.0') AS int) < 0 THEN -1
WHEN CAST(strftime('%Y', '2020-02-03 00:00:00.0') AS int) = 0 THEN 0
END * (abs(CAST(strftime('%Y', '2020-02-03 00:00:00.0') AS int)) + 99)) / 100))
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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