docs: reference of PostgreSQL-style cast.

project-tsurugi · Sep 4, 2024 · 4564b47 · 4564b47
1 parent 72d07f8
commit 4564b47
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diff --git a/docs/sql-features.md b/docs/sql-features.md
@@ -411,10 +411,16 @@ CC_EXCEPTION (SQL-04000: serialization failed transaction:TID-000000000000003b s
 ```txt
 <cast-expression>:
   CAST(<value-expression> AS <type>)
+  <value-expression> :: <type>
 ```
 
 * `<type>` - see [Types](#types) and [Conversions](#conversions)
 
+----
+note:
+
+`expression::type` is a PostgreSQL-style cast expression.
+
 ### Placeholders
 
 ```txt