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SQL's asciidoc files were all named `sql-the-thing.asciidoc` but our standard is to name asciidoc files `the-thing.asciidoc` and keep them in appropriate directories. relates elastic/x-pack-elasticsearch#3182 Original commit: elastic/x-pack-elasticsearch@ab81763ffd
70 lines
3.0 KiB
Plaintext
70 lines
3.0 KiB
Plaintext
[[sql-spec-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 Presto,
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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="^,^,^",options="header"]
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|===
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|Keyword |SQL:2016 |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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|`DESC` |reserved |reserved
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|`DESCRIBE` |reserved |reserved
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|`DISTINCT` |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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|`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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|`IN` |reserved |reserved
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|`INNER` |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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|`NATURAL` |reserved |reserved
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|`NO` |reserved |reserved
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|`NOT` |reserved |reserved
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|`NULL` |reserved |reserved
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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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|`SELECT` |reserved |reserved
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|`SESSION` | |reserved
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|`TABLE` |reserved |reserved
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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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|`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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|===
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