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Add TupleType mapping support for YDB #96

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Merged
merged 1 commit into from
Nov 26, 2025
Merged

Add TupleType mapping support for YDB #96

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13 changes: 13 additions & 0 deletions test/test_suite.py
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Original file line number Diff line number Diff line change
Expand Up @@ -577,6 +577,19 @@ def test_from_as_table(self, connection):

eq_(connection.execute(sa.select(table)).fetchall(), [(1,), (2,), (3,)])

def test_tuple_list_type_bind_variable_text(self, connection):
table = self.tables.container_types_test

connection.execute(sa.insert(table).values([{"id": 1}, {"id": 2}, {"id": 3}]))

stmt = select(table.c.id).where(
sa.text("(id, id) IN :tuple_arr_var").bindparams(
sa.bindparam("tuple_arr_var", type_=sa.ARRAY(sa.TupleType(sa.Integer, sa.Integer))),
)
)

eq_(connection.execute(stmt, {"tuple_arr_var": [(1, 1), (2, 2)]}).fetchall(), [(1,), (2,)])


class ConcatTest(fixtures.TablesTest):
@classmethod
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4 changes: 4 additions & 0 deletions ydb_sqlalchemy/sqlalchemy/compiler/base.py
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Expand Up @@ -228,6 +228,10 @@ def get_ydb_type(
ydb_type = ydb.DecimalType(precision, scale)
elif isinstance(type_, (types.ListType, sa.ARRAY)):
ydb_type = ydb.ListType(self.get_ydb_type(type_.item_type, is_optional=False))
elif isinstance(type_, sa.TupleType):
ydb_type = ydb.TupleType()
for item_type in type_.types:
ydb_type.add_element(self.get_ydb_type(item_type, is_optional=False))
elif isinstance(type_, types.StructType):
ydb_type = ydb.StructType()
for field, field_type in type_.fields_types.items():
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