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update to query doc

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jackfoxy 2022-11-23 11:35:25 -08:00
parent f9a7ae98cd
commit c8153922ea
1 changed files with 6 additions and 3 deletions
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docs/query.md
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@ -13,8 +13,6 @@ FROM [ <ship-qualifer> ]<table-view> [ [AS] <alias> ]
| CROSS JOIN
[ <ship-qualifer> ]<table-view> [ [AS] <alias> ]
]
# Query
[ { SCALAR <scalar-name> [ AS ] <scalar-function> } [ ...n ] ]
[ WHERE <predicate> ]
SELECT [ TOP <n> ] [ BOTTOM <n> ] [ DISTINCT ]
@ -36,6 +34,11 @@ SELECT [ TOP <n> ] [ BOTTOM <n> ] [ DISTINCT ]
| DIVIDED BY [ WITH REMAINDER ]
}
<query> ] [ } ] [ ...n ]
[ AS OF { Now
| <timestamp>
| n { SECONDS | MINUTES | HOURS | DAYS | WEEKS | MONTHS | YEARS } AGO
| <inline-scalar>
} ]
```
Cross database joins are allowed, but not cross ship joins.
@ -93,7 +96,7 @@ If it uses `<expression>` `@`0 is treated as false and any other value as true (
```
```
`<column> ::=
<column> ::=
{ [ <qualified-column>
| <column-alias>
| <constant> }