diff --git a/polyglot/adapter.json b/polyglot/adapter.json
index 81f556b..60c265d 100644
--- a/polyglot/adapter.json
+++ b/polyglot/adapter.json
@@ -77,6 +77,33 @@
 					"subtype": "vector<float32>"
 				}
 			},
+			{
+				"from": {
+					"type": "varchar",
+					"hasMaxLength": true
+				},
+				"to": {
+					"length": 32767
+				}
+			},
+			{
+				"from": {
+					"type": "nvarchar",
+					"hasMaxLength": true
+				},
+				"to": {
+					"length": 32767
+				}
+			},
+			{
+				"from": {
+					"type": "binary",
+					"hasMaxLength": true
+				},
+				"to": {
+					"length": 8000
+				}
+			},
 			[
 				"renameBlockItemProperties",
 				{
diff --git a/polyglot/convertAdapter.json b/polyglot/convertAdapter.json
index 811347a..b453d21 100644
--- a/polyglot/convertAdapter.json
+++ b/polyglot/convertAdapter.json
@@ -66,6 +66,33 @@
 					"mode": "integer"
 				}
 			},
+			{
+				"from": {
+					"mode": "varchar2",
+					"length": 32767
+				},
+				"to": {
+					"hasMaxLength": true
+				}
+			},
+			{
+				"from": {
+					"mode": "nvarchar2",
+					"length": 32767
+				},
+				"to": {
+					"hasMaxLength": true
+				}
+			},
+			{
+				"from": {
+					"type": "binary",
+					"length": 8000
+				},
+				"to": {
+					"hasMaxLength": true
+				}
+			},
 			[
 				"movePropertyByPath",
 				{