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9357c17288
Add section on syntax, identifiers and literals and on single vs double quotes. (cherry picked from commit aafdb598082e451f36294bd174d0887a276d8c7f)
96 lines
4.1 KiB
Plaintext
96 lines
4.1 KiB
Plaintext
[role="xpack"]
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[testenv="basic"]
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[[sql-syntax-reserved]]
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== Reserved keywords
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Table with reserved keywords that need to be quoted. Also provide an example to make it more obvious.
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The following table lists all of the keywords that are reserved in {es-sql},
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along with their status in the SQL standard. These reserved keywords must
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be quoted (using double quotes) in order to be used as an identifier, for example:
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[source, sql]
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----
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SELECT "AS" FROM index
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----
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[cols="^,^,^"]
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|===
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s|Keyword
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s|SQL:2016
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s|SQL-92
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|`ALL` |reserved |reserved
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|`AND` |reserved |reserved
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|`ANY` |reserved |reserved
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|`AS` |reserved |reserved
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|`ASC` |reserved |reserved
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|`BETWEEN` |reserved |reserved
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|`BY` |reserved |reserved
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|`CAST` |reserved |reserved
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|`CATALOG` |reserved |reserved
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|`CONVERT` |reserved |reserved
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|`CURRENT_DATE` |reserved |reserved
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|`CURRENT_TIMESTAMP` |reserved |reserved
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|`DAY` |reserved |reserved
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|`DAYS` | |
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|`DESC` |reserved |reserved
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|`DESCRIBE` |reserved |reserved
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|`DISTINCT` |reserved |reserved
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|`ESCAPE` |reserved |reserved
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|`EXISTS` |reserved |reserved
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|`EXPLAIN` |reserved |reserved
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|`EXTRACT` |reserved |reserved
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|`FALSE` |reserved |reserved
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|`FIRST` |reserved |reserved
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|`FROM` |reserved |reserved
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|`FULL` |reserved |reserved
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|`GROUP` |reserved |reserved
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|`HAVING` |reserved |reserved
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|`HOUR` |reserved |reserved
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|`HOURS` | |
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|`IN` |reserved |reserved
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|`INNER` |reserved |reserved
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|`INTERVAL` |reserved |reserved
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|`IS` |reserved |reserved
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|`JOIN` |reserved |reserved
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|`LEFT` |reserved |reserved
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|`LIKE` |reserved |reserved
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|`LIMIT` |reserved |reserved
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|`MATCH` |reserved |reserved
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|`MINUTE` |reserved |reserved
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|`MINUTES` | |
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|`MONTH` |reserved |reserved
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|`NATURAL` |reserved |reserved
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|`NOT` |reserved |reserved
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|`NULL` |reserved |reserved
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|`NULLS` | |
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|`ON` |reserved |reserved
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|`OR` |reserved |reserved
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|`ORDER` |reserved |reserved
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|`OUTER` |reserved |reserved
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|`RIGHT` |reserved |reserved
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|`RLIKE` | |
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|`QUERY` | |
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|`SECOND` |reserved |reserved
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|`SECONDS` | |
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|`SELECT` |reserved |reserved
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|`SESSION` | |reserved
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|`TABLE` |reserved |reserved
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|`TABLES` | |
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|`THEN` |reserved |reserved
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|`TO` |reserved |reserved
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|`TRUE` |reserved |reserved
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|`TYPE` | |
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|`USING` |reserved |reserved
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|`WHEN` |reserved |reserved
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|`WHERE` |reserved |reserved
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|`WITH` |reserved |reserved
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|`YEAR` |reserved |reserved
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|`YEARS` | |
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|===
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