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08552f1c2e
* fix syntax and rendering errors * clean up * fix versions * more clean up * more fixes * more fixes * more fixes
88 lines
2.8 KiB
Markdown
88 lines
2.8 KiB
Markdown
---
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mapped_pages:
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- https://www.elastic.co/guide/en/elasticsearch/reference/current/sql-syntax-reserved.html
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---
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# Reserved keywords [sql-syntax-reserved]
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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 Elasticsearch SQL, along with their status in the SQL standard. These reserved keywords must be quoted (using double quotes) in order to be used as an identifier, for example:
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```sql
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SELECT "AS" FROM index
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```
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| **Keyword** | **SQL:2016** | **SQL-92** |
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| --- | --- | --- |
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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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| `CURRENT_TIME` | 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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| `TOP` | 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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