From 4564b479a151e9204ec24c9964d315f2e522ee62 Mon Sep 17 00:00:00 2001
From: Suguru ARAKAWA <arakawa@nautilus-technologies.com>
Date: Wed, 4 Sep 2024 09:30:35 +0900
Subject: [PATCH] docs: reference of PostgreSQL-style cast.

---
 docs/sql-features.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/docs/sql-features.md b/docs/sql-features.md
index 99f0b32..1658e30 100644
--- 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