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Fix #215 by adding select alias example

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Sean Corfield 2018-06-25 13:00:42 -07:00
parent cc9b786602
commit 0c44eaa6e7
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README.md
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@ -114,6 +114,20 @@ To add to clauses instead of replacing them, use `merge-select`, `merge-where`,
=> ["SELECT * FROM foo WHERE (a = ? AND b < ?)" 1 100]
```
Column and table names may be aliased by using a vector pair of the original
name and the desired alias:
```clojure
(-> (select :a [:b :bar] :c [:d :x])
(from [:foo :quux])
(where [:= :quux.a 1] [:< :bar 100])
sql/format)
=> ["SELECT a, b AS bar, c, d AS x FROM foo quux WHERE (quux.a = ? AND bar < ?)" 1 100]
```
In particular, note that `(select [:a :b])` means `SELECT a AS b` rather than
`SELECT a, b` -- `select` is variadic and does not take a collection of column names.
Inserts are supported in two patterns.
In the first pattern, you must explicitly specify the columns to insert,
then provide a collection of rows, each a collection of column values: