diff --git a/dbms/include/DB/Functions/FunctionsArray.h b/dbms/include/DB/Functions/FunctionsArray.h
index bc522d7ccb3..ceea7e4de0d 100644
--- a/dbms/include/DB/Functions/FunctionsArray.h
+++ b/dbms/include/DB/Functions/FunctionsArray.h
@@ -332,8 +332,8 @@ public:
 				for (size_t j = 0; j < num_elements; ++j)
 					out_data.insertFrom(*columns[j], i);
 
-				out_offsets[i] = current_offset;
 				current_offset += num_elements;
+				out_offsets[i] = current_offset;
 			}
 
 			block.getByPosition(result).column = out;
diff --git a/dbms/src/Columns/ColumnConst.cpp b/dbms/src/Columns/ColumnConst.cpp
index a77443eb195..3aa75400bfa 100644
--- a/dbms/src/Columns/ColumnConst.cpp
+++ b/dbms/src/Columns/ColumnConst.cpp
@@ -116,11 +116,18 @@ ColumnPtr ColumnConst<Tuple>::convertToFullColumn() const
 	if (!type)
 		throw Exception("Non-Tuple data type specified for ColumnConstTuple", ErrorCodes::LOGICAL_ERROR);
 
-	/// Ask data_type to create ColumnTuple of corresponding type
-	ColumnPtr res = type->createColumn();
-	static_cast<ColumnTuple &>(*res).insert(getDataFromHolderImpl());
+	/// Create columns for each element and convert to full columns.
+	const DataTypes & element_types = type->getElements();
+	size_t tuple_size = element_types.size();
+	Block block;
 
-	return res;
+	for (size_t i = 0; i < tuple_size; ++i)
+		block.insert(ColumnWithTypeAndName{
+			element_types[i]->createConstColumn(s, static_cast<const TupleBackend &>(*data)[i])->convertToFullColumnIfConst(),
+			element_types[i],
+			""});
+
+	return std::make_shared<ColumnTuple>(block);
 }
 
 void ColumnConst<Tuple>::getExtremes(Field & min, Field & max) const
diff --git a/dbms/tests/queries/0_stateless/00348_tuples.reference b/dbms/tests/queries/0_stateless/00348_tuples.reference
new file mode 100644
index 00000000000..46cad4ce023
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00348_tuples.reference
@@ -0,0 +1,18 @@
+('1',2)	1	2
+('1',2)	1	2
+('1',2)	1	2
+('1',2)	1	2
+('1',2)	1	2
+[('1',2)]	1	2
+[('1',2)]	1	2
+[('1',2)]	1	2
+[('1',2)]	1	2
+[('1',2)]	1	2
+[('1',2)]	1	2
+[((1,'2'),[(3,[4])])]	((1,'2'),[(3,[4])])	(1,'2')	[(3,[4])]	1	2	(3,[4])	3	[4]	4
+[('1',4)]
+[('1',4)]
+[('1',4)]
+[('1',4)]
+[('1',4)]
+[('1',4)]
diff --git a/dbms/tests/queries/0_stateless/00348_tuples.sql b/dbms/tests/queries/0_stateless/00348_tuples.sql
new file mode 100644
index 00000000000..61125b4aa4c
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00348_tuples.sql
@@ -0,0 +1,30 @@
+SELECT ('1',2) AS t, t.1, t.2;
+SELECT materialize(('1',2)) AS t, t.1, t.2;
+SELECT (materialize('1'),2) AS t, t.1, t.2;
+SELECT ('1',materialize(2)) AS t, t.1, t.2;
+SELECT (materialize('1'),materialize(2)) AS t, t.1, t.2;
+
+SELECT [('1',2)] AS t, t[1].1, t[1].2;
+SELECT [materialize(('1',2))] AS t, t[1].1, t[1].2;
+SELECT [(materialize('1'),2)] AS t, t[1].1, t[1].2;
+SELECT [('1',materialize(2))] AS t, t[1].1, t[1].2;
+SELECT [(materialize('1'),materialize(2))] AS t, t[1].1, t[1].2;
+SELECT materialize([('1',2)]) AS t, t[1].1, t[1].2;
+
+SELECT [((1, materialize('2')), [(3, [4])])] AS thing,
+    thing[1],
+    thing[1].1,
+    thing[1].2,
+    thing[1].1.1,
+    thing[1].1.2,
+    (thing[1].2)[1],
+    (thing[1].2)[1].1,
+    (thing[1].2)[1].2,
+    ((thing[1].2)[1].2)[1];
+
+select arrayMap(t->tuple(t.1, t.2*2), [('1',2)]);
+select arrayMap(t->tuple(t.1, t.2*2), [materialize(('1',2))]);
+select arrayMap(t->tuple(t.1, t.2*2), [(materialize('1'),2)]);
+select arrayMap(t->tuple(t.1, t.2*2), [('1',materialize(2))]);
+select arrayMap(t->tuple(t.1, t.2*2), [(materialize('1'),materialize(2))]);
+select arrayMap(t->tuple(t.1, t.2*2), materialize([('1',2)]));