diff --git a/server/functions/left.go b/server/functions/left.go
index 5a812061e2..49da1faa20 100644
--- a/server/functions/left.go
+++ b/server/functions/left.go
@@ -17,11 +17,11 @@ package functions
 // left represents the PostgreSQL function of the same name.
 var left = Function{
 	Name:      "left",
-	Overloads: []interface{}{left_string},
+	Overloads: []interface{}{left_string_int},
 }
 
 // left_string is one of the overloads of left.
-func left_string(string StringType, n IntegerType) (StringType, error) {
+func left_string_int(string StringType, n IntegerType) (StringType, error) {
 	if string.IsNull || n.IsNull {
 		return StringType{IsNull: true}, nil
 	}
diff --git a/server/functions/right.go b/server/functions/right.go
index 2e98a055df..0c45f609df 100644
--- a/server/functions/right.go
+++ b/server/functions/right.go
@@ -17,11 +17,11 @@ package functions
 // right represents the PostgreSQL function of the same name.
 var right = Function{
 	Name:      "right",
-	Overloads: []interface{}{right_string},
+	Overloads: []interface{}{right_string_int},
 }
 
 // right_string is one of the overloads of right.
-func right_string(string StringType, n IntegerType) (StringType, error) {
+func right_string_int(string StringType, n IntegerType) (StringType, error) {
 	if string.IsNull || n.IsNull {
 		return StringType{IsNull: true}, nil
 	}
diff --git a/server/functions/split_part.go b/server/functions/split_part.go
index c0aa9ead47..353e063a1f 100644
--- a/server/functions/split_part.go
+++ b/server/functions/split_part.go
@@ -24,11 +24,11 @@ import (
 // split_part represents the PostgreSQL function of the same name.
 var split_part = Function{
 	Name:      "split_part",
-	Overloads: []interface{}{split_part_string},
+	Overloads: []interface{}{split_part_string_string_int},
 }
 
 // split_part_string is one of the overloads of split_part.
-func split_part_string(str StringType, delimiter StringType, n IntegerType) (StringType, error) {
+func split_part_string_string_int(str StringType, delimiter StringType, n IntegerType) (StringType, error) {
 	if str.IsNull || delimiter.IsNull || n.IsNull {
 		return StringType{IsNull: true}, nil
 	}