保留关键字¶
以下关键字是 Polars SQL 的保留关键字。保留关键字如果要用作标识符,必须使用双引号引用。
例如,"select" 和 "from" 可以作为带引号的列名使用,但相同单词不能作为未加引号的标识符使用。
关键字¶
ALTER
AND
ANTI
AS
BETWEEN
BY
CASE
CAST
CONSTRAINT
CREATE
CROSS
CUBE
CURRENT_CATALOG
CURRENT_DATE
CURRENT_TIME
CURRENT_TIMESTAMP
CURRENT_USER
DEALLOCATE
DELETE
DESCRIBE
DISTINCT
DROP
ELSE
END
ESCAPE
EXCEPT
EXEC
EXECUTE
EXISTS
EXPORT
EXTRACT
FALSE
FILE
FOR
FROM
FULL
GROUP
GROUPING
HAVING
IMPORT
IN
INNER
INSERT
INTERSECT
INTO
IS
JOIN
LEFT
LIKE
LINE
LOAD
LOCALTIME
LOCALTIMESTAMP
NATURAL
NORMALIZE
NOT
NULL
ON
OR
ORDER
OUTER
PLS
PLS_DIR
PREPARE
QUOTED
RECURSIVE
REWRITE
RIGHT
ROLLUP
SELECT
SEMI
SEPARATOR
SKIPCHECKTABLE
STORAGE_TYPE
TABLE
TABLESPACE
TABLE_TYPE
THEN
TRUE
UESCAPE
UNION
UNNEST
USING
VALUES
WHEN
WHERE
WINDOW
WITH
WITHIN
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