898716980d
### What changes were proposed in this pull request?
This reverts commit b89c3de1a4
.
### Why are the changes needed?
`FIRST_VALUE` is used only for window expression. Please see the discussion on https://github.com/apache/spark/pull/25082 .
### Does this PR introduce any user-facing change?
Yes.
### How was this patch tested?
Pass the Jenkins.
Closes #27458 from dongjoon-hyun/SPARK-28310.
Authored-by: Dongjoon Hyun <dhyun@apple.com>
Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
23 KiB
23 KiB
layout | title | displayTitle | license |
---|---|---|---|
global | Spark SQL Keywords | Spark SQL Keywords | Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. |
When spark.sql.ansi.enabled
is true, Spark SQL will use the ANSI mode parser.
In this mode, Spark SQL has two kinds of keywords:
- Reserved keywords: Keywords that are reserved and can't be used as identifiers for table, view, column, function, alias, etc.
- Non-reserved keywords: Keywords that have a special meaning only in particular contexts and can be used as identifiers in other contexts. For example,
EXPLAIN SELECT ...
is a command, but EXPLAIN can be used as identifiers in other places.
When the ANSI mode is disabled, Spark SQL has two kinds of keywords:
- Non-reserved keywords: Same definition as the one when the ANSI mode enabled.
- Strict-non-reserved keywords: A strict version of non-reserved keywords, which can not be used as table alias.
By default spark.sql.ansi.enabled
is false.
Below is a list of all the keywords in Spark SQL.
Keyword | Spark SQL | SQL-2011 | |
---|---|---|---|
ANSI mode | default mode | ||
ADD | non-reserved | non-reserved | non-reserved |
AFTER | non-reserved | non-reserved | non-reserved |
ALL | reserved | non-reserved | reserved |
ALTER | non-reserved | non-reserved | reserved |
ANALYZE | non-reserved | non-reserved | non-reserved |
AND | reserved | non-reserved | reserved |
ANTI | reserved | strict-non-reserved | non-reserved |
ANY | reserved | non-reserved | reserved |
ARCHIVE | non-reserved | non-reserved | non-reserved |
ARRAY | non-reserved | non-reserved | reserved |
AS | reserved | non-reserved | reserved |
ASC | non-reserved | non-reserved | non-reserved |
AT | non-reserved | non-reserved | reserved |
AUTHORIZATION | reserved | non-reserved | reserved |
BETWEEN | non-reserved | non-reserved | reserved |
BOTH | reserved | non-reserved | reserved |
BUCKET | non-reserved | non-reserved | non-reserved |
BUCKETS | non-reserved | non-reserved | non-reserved |
BY | non-reserved | non-reserved | reserved |
CACHE | non-reserved | non-reserved | non-reserved |
CASCADE | non-reserved | non-reserved | reserved |
CASE | reserved | non-reserved | reserved |
CAST | reserved | non-reserved | reserved |
CHANGE | non-reserved | non-reserved | non-reserved |
CHECK | reserved | non-reserved | reserved |
CLEAR | non-reserved | non-reserved | non-reserved |
CLUSTER | non-reserved | non-reserved | non-reserved |
CLUSTERED | non-reserved | non-reserved | non-reserved |
CODEGEN | non-reserved | non-reserved | non-reserved |
COLLATE | reserved | non-reserved | reserved |
COLLECTION | non-reserved | non-reserved | non-reserved |
COLUMN | reserved | non-reserved | reserved |
COLUMNS | non-reserved | non-reserved | non-reserved |
COMMENT | non-reserved | non-reserved | non-reserved |
COMMIT | non-reserved | non-reserved | reserved |
COMPACT | non-reserved | non-reserved | non-reserved |
COMPACTIONS | non-reserved | non-reserved | non-reserved |
COMPUTE | non-reserved | non-reserved | non-reserved |
CONCATENATE | non-reserved | non-reserved | non-reserved |
CONSTRAINT | reserved | non-reserved | reserved |
COST | non-reserved | non-reserved | non-reserved |
CREATE | reserved | non-reserved | reserved |
CROSS | reserved | strict-non-reserved | reserved |
CUBE | non-reserved | non-reserved | reserved |
CURRENT | non-reserved | non-reserved | reserved |
CURRENT_DATE | reserved | non-reserved | reserved |
CURRENT_TIME | reserved | non-reserved | reserved |
CURRENT_TIMESTAMP | reserved | non-reserved | reserved |
CURRENT_USER | reserved | non-reserved | reserved |
DATA | non-reserved | non-reserved | non-reserved |
DATABASE | non-reserved | non-reserved | non-reserved |
DATABASES | non-reserved | non-reserved | non-reserved |
DAY | reserved | non-reserved | reserved |
DBPROPERTIES | non-reserved | non-reserved | non-reserved |
DEFINED | non-reserved | non-reserved | non-reserved |
DELETE | non-reserved | non-reserved | reserved |
DELIMITED | non-reserved | non-reserved | non-reserved |
DESC | non-reserved | non-reserved | non-reserved |
DESCRIBE | non-reserved | non-reserved | reserved |
DFS | non-reserved | non-reserved | non-reserved |
DIRECTORIES | non-reserved | non-reserved | non-reserved |
DIRECTORY | non-reserved | non-reserved | non-reserved |
DISTINCT | reserved | non-reserved | reserved |
DISTRIBUTE | non-reserved | non-reserved | non-reserved |
DIV | non-reserved | non-reserved | non-reserved |
DROP | non-reserved | non-reserved | reserved |
ELSE | reserved | non-reserved | reserved |
END | reserved | non-reserved | reserved |
ESCAPE | reserved | non-reserved | reserved |
ESCAPED | non-reserved | non-reserved | non-reserved |
EXCEPT | reserved | strict-non-reserved | reserved |
EXCHANGE | non-reserved | non-reserved | non-reserved |
EXISTS | non-reserved | non-reserved | reserved |
EXPLAIN | non-reserved | non-reserved | non-reserved |
EXPORT | non-reserved | non-reserved | non-reserved |
EXTENDED | non-reserved | non-reserved | non-reserved |
EXTERNAL | non-reserved | non-reserved | reserved |
EXTRACT | non-reserved | non-reserved | reserved |
FALSE | reserved | non-reserved | reserved |
FETCH | reserved | non-reserved | reserved |
FIELDS | non-reserved | non-reserved | non-reserved |
FILTER | reserved | non-reserved | reserved |
FILEFORMAT | non-reserved | non-reserved | non-reserved |
FIRST | non-reserved | non-reserved | non-reserved |
FOLLOWING | non-reserved | non-reserved | non-reserved |
FOR | reserved | non-reserved | reserved |
FOREIGN | reserved | non-reserved | reserved |
FORMAT | non-reserved | non-reserved | non-reserved |
FORMATTED | non-reserved | non-reserved | non-reserved |
FROM | reserved | non-reserved | reserved |
FULL | reserved | strict-non-reserved | reserved |
FUNCTION | non-reserved | non-reserved | reserved |
FUNCTIONS | non-reserved | non-reserved | non-reserved |
GLOBAL | non-reserved | non-reserved | reserved |
GRANT | reserved | non-reserved | reserved |
GROUP | reserved | non-reserved | reserved |
GROUPING | non-reserved | non-reserved | reserved |
HAVING | reserved | non-reserved | reserved |
HOUR | reserved | non-reserved | reserved |
IF | non-reserved | non-reserved | reserved |
IGNORE | non-reserved | non-reserved | non-reserved |
IMPORT | non-reserved | non-reserved | non-reserved |
IN | reserved | non-reserved | reserved |
INDEX | non-reserved | non-reserved | non-reserved |
INDEXES | non-reserved | non-reserved | non-reserved |
INNER | reserved | strict-non-reserved | reserved |
INPATH | non-reserved | non-reserved | non-reserved |
INPUTFORMAT | non-reserved | non-reserved | non-reserved |
INSERT | non-reserved | non-reserved | reserved |
INTERSECT | reserved | strict-non-reserved | reserved |
INTERVAL | non-reserved | non-reserved | reserved |
INTO | reserved | non-reserved | reserved |
IS | reserved | non-reserved | reserved |
ITEMS | non-reserved | non-reserved | non-reserved |
JOIN | reserved | strict-non-reserved | reserved |
KEYS | non-reserved | non-reserved | non-reserved |
LAST | non-reserved | non-reserved | non-reserved |
LATERAL | non-reserved | non-reserved | reserved |
LAZY | non-reserved | non-reserved | non-reserved |
LEADING | reserved | non-reserved | reserved |
LEFT | reserved | strict-non-reserved | reserved |
LIKE | non-reserved | non-reserved | reserved |
LIMIT | non-reserved | non-reserved | non-reserved |
LINES | non-reserved | non-reserved | non-reserved |
LIST | non-reserved | non-reserved | non-reserved |
LOAD | non-reserved | non-reserved | non-reserved |
LOCAL | non-reserved | non-reserved | reserved |
LOCATION | non-reserved | non-reserved | non-reserved |
LOCK | non-reserved | non-reserved | non-reserved |
LOCKS | non-reserved | non-reserved | non-reserved |
LOGICAL | non-reserved | non-reserved | non-reserved |
MACRO | non-reserved | non-reserved | non-reserved |
MAP | non-reserved | non-reserved | non-reserved |
MATCHED | non-reserved | non-reserved | non-reserved |
MERGE | non-reserved | non-reserved | non-reserved |
MINUS | reserved | strict-non-reserved | non-reserved |
MINUTE | reserved | non-reserved | reserved |
MONTH | reserved | non-reserved | reserved |
MSCK | non-reserved | non-reserved | non-reserved |
NAMESPACE | non-reserved | non-reserved | non-reserved |
NAMESPACES | non-reserved | non-reserved | non-reserved |
NATURAL | reserved | strict-non-reserved | reserved |
NO | non-reserved | non-reserved | reserved |
NOT | reserved | non-reserved | reserved |
NULL | reserved | non-reserved | reserved |
NULLS | non-reserved | non-reserved | non-reserved |
OF | non-reserved | non-reserved | reserved |
ON | reserved | strict-non-reserved | reserved |
ONLY | reserved | non-reserved | reserved |
OPTION | non-reserved | non-reserved | non-reserved |
OPTIONS | non-reserved | non-reserved | non-reserved |
OR | reserved | non-reserved | reserved |
ORDER | reserved | non-reserved | reserved |
OUT | non-reserved | non-reserved | reserved |
OUTER | reserved | non-reserved | reserved |
OUTPUTFORMAT | non-reserved | non-reserved | non-reserved |
OVER | non-reserved | non-reserved | non-reserved |
OVERLAPS | reserved | non-reserved | reserved |
OVERLAY | non-reserved | non-reserved | non-reserved |
OVERWRITE | non-reserved | non-reserved | non-reserved |
PARTITION | non-reserved | non-reserved | reserved |
PARTITIONED | non-reserved | non-reserved | non-reserved |
PARTITIONS | non-reserved | non-reserved | non-reserved |
PERCENT | non-reserved | non-reserved | non-reserved |
PIVOT | non-reserved | non-reserved | non-reserved |
PLACING | non-reserved | non-reserved | non-reserved |
POSITION | non-reserved | non-reserved | reserved |
PRECEDING | non-reserved | non-reserved | non-reserved |
PRIMARY | reserved | non-reserved | reserved |
PRINCIPALS | non-reserved | non-reserved | non-reserved |
PROPERTIES | non-reserved | non-reserved | non-reserved |
PURGE | non-reserved | non-reserved | non-reserved |
QUERY | non-reserved | non-reserved | non-reserved |
RANGE | non-reserved | non-reserved | reserved |
RECORDREADER | non-reserved | non-reserved | non-reserved |
RECORDWRITER | non-reserved | non-reserved | non-reserved |
RECOVER | non-reserved | non-reserved | non-reserved |
REDUCE | non-reserved | non-reserved | non-reserved |
REFERENCES | reserved | non-reserved | reserved |
REFRESH | non-reserved | non-reserved | non-reserved |
RENAME | non-reserved | non-reserved | non-reserved |
REPAIR | non-reserved | non-reserved | non-reserved |
REPLACE | non-reserved | non-reserved | non-reserved |
RESET | non-reserved | non-reserved | non-reserved |
RESTRICT | non-reserved | non-reserved | non-reserved |
REVOKE | non-reserved | non-reserved | reserved |
RIGHT | reserved | strict-non-reserved | reserved |
RLIKE | non-reserved | non-reserved | non-reserved |
ROLE | non-reserved | non-reserved | non-reserved |
ROLES | non-reserved | non-reserved | non-reserved |
ROLLBACK | non-reserved | non-reserved | reserved |
ROLLUP | non-reserved | non-reserved | reserved |
ROW | non-reserved | non-reserved | reserved |
ROWS | non-reserved | non-reserved | reserved |
SCHEMA | non-reserved | non-reserved | non-reserved |
SECOND | reserved | non-reserved | reserved |
SELECT | reserved | non-reserved | reserved |
SEMI | reserved | strict-non-reserved | non-reserved |
SEPARATED | non-reserved | non-reserved | non-reserved |
SERDE | non-reserved | non-reserved | non-reserved |
SERDEPROPERTIES | non-reserved | non-reserved | non-reserved |
SESSION_USER | reserved | non-reserved | reserved |
SET | non-reserved | non-reserved | reserved |
SETS | non-reserved | non-reserved | non-reserved |
SHOW | non-reserved | non-reserved | non-reserved |
SKEWED | non-reserved | non-reserved | non-reserved |
SOME | reserved | non-reserved | reserved |
SORT | non-reserved | non-reserved | non-reserved |
SORTED | non-reserved | non-reserved | non-reserved |
START | non-reserved | non-reserved | reserved |
STATISTICS | non-reserved | non-reserved | non-reserved |
STORED | non-reserved | non-reserved | non-reserved |
STRATIFY | non-reserved | non-reserved | non-reserved |
STRUCT | non-reserved | non-reserved | non-reserved |
SUBSTR | non-reserved | non-reserved | non-reserved |
SUBSTRING | non-reserved | non-reserved | non-reserved |
TABLE | reserved | non-reserved | reserved |
TABLES | non-reserved | non-reserved | non-reserved |
TABLESAMPLE | non-reserved | non-reserved | reserved |
TBLPROPERTIES | non-reserved | non-reserved | non-reserved |
TEMPORARY | non-reserved | non-reserved | non-reserved |
TERMINATED | non-reserved | non-reserved | non-reserved |
THEN | reserved | non-reserved | reserved |
TO | reserved | non-reserved | reserved |
TOUCH | non-reserved | non-reserved | non-reserved |
TRAILING | reserved | non-reserved | reserved |
TRANSACTION | non-reserved | non-reserved | non-reserved |
TRANSACTIONS | non-reserved | non-reserved | non-reserved |
TRANSFORM | non-reserved | non-reserved | non-reserved |
TRIM | non-reserved | non-reserved | non-reserved |
TRUE | non-reserved | non-reserved | reserved |
TRUNCATE | non-reserved | non-reserved | reserved |
UNARCHIVE | non-reserved | non-reserved | non-reserved |
UNBOUNDED | non-reserved | non-reserved | non-reserved |
UNCACHE | non-reserved | non-reserved | non-reserved |
UNION | reserved | strict-non-reserved | reserved |
UNIQUE | reserved | non-reserved | reserved |
UNKNOWN | reserved | non-reserved | reserved |
UNLOCK | non-reserved | non-reserved | non-reserved |
UNSET | non-reserved | non-reserved | non-reserved |
UPDATE | non-reserved | non-reserved | reserved |
USE | non-reserved | non-reserved | non-reserved |
USER | reserved | non-reserved | reserved |
USING | reserved | strict-non-reserved | reserved |
VALUES | non-reserved | non-reserved | reserved |
VIEW | non-reserved | non-reserved | non-reserved |
WHEN | reserved | non-reserved | reserved |
WHERE | reserved | non-reserved | reserved |
WINDOW | non-reserved | non-reserved | reserved |
WITH | reserved | non-reserved | reserved |
YEAR | reserved | non-reserved | reserved |