Snowflake: Add support for text data type modifiers (apache#2297)

Author: yoavcloud

src/parser/mod.rs

@@ -12695,7 +12695,16 @@ impl<'a> Parser<'a> {
                     self.expect_token(&Token::RParen)?;
                     Ok(DataType::FixedString(character_length))
                 }
-                Keyword::TEXT => Ok(DataType::Text),
+                Keyword::TEXT => {
+                    if let Some(modifiers) = self.parse_optional_type_modifiers()? {
+                        Ok(DataType::Custom(
+                            ObjectName::from(vec![Ident::new("TEXT")]),
+                            modifiers,
+                        ))
+                    } else {
+                        Ok(DataType::Text)
+                    }
+                }
                 Keyword::TINYTEXT => Ok(DataType::TinyText),
                 Keyword::MEDIUMTEXT => Ok(DataType::MediumText),
                 Keyword::LONGTEXT => Ok(DataType::LongText),

tests/sqlparser_common.rs

@@ -6586,6 +6586,24 @@ fn interval_disallow_interval_expr_double_colon() {
     )
 }
 
+#[test]
+fn parse_text_type_modifier_double_colon_cast() {
+    let expr = verified_expr("ID::TEXT(16777216)");
+    assert_eq!(
+        expr,
+        Expr::Cast {
+            kind: CastKind::DoubleColon,
+            expr: Box::new(Expr::Identifier(Ident::new("ID"))),
+            data_type: DataType::Custom(
+                ObjectName::from(vec![Ident::new("TEXT")]),
+                vec!["16777216".to_string()]
+            ),
+            array: false,
+            format: None,
+        }
+    );
+}
+
 #[test]
 fn parse_interval_and_or_xor() {
     let sql = "SELECT col FROM test \