6789ded0a6
Thanks to Adam Johnson, Carlton Gibson, Mariusz Felisiak, and Raphael Michel for mentoring this Google Summer of Code 2019 project and everyone else who helped with the patch. Special thanks to Mads Jensen, Nick Pope, and Simon Charette for extensive reviews. Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
64 lines
2.3 KiB
Python
64 lines
2.3 KiB
Python
from django.db import InterfaceError
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from django.db.backends.base.features import BaseDatabaseFeatures
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class DatabaseFeatures(BaseDatabaseFeatures):
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interprets_empty_strings_as_nulls = True
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has_select_for_update = True
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has_select_for_update_nowait = True
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has_select_for_update_skip_locked = True
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has_select_for_update_of = True
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select_for_update_of_column = True
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can_return_columns_from_insert = True
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can_introspect_autofield = True
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supports_subqueries_in_group_by = False
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supports_transactions = True
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supports_timezones = False
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has_native_duration_field = True
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can_defer_constraint_checks = True
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supports_partially_nullable_unique_constraints = False
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supports_deferrable_unique_constraints = True
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truncates_names = True
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supports_tablespaces = True
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supports_sequence_reset = False
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can_introspect_materialized_views = True
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can_introspect_time_field = False
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atomic_transactions = False
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supports_combined_alters = False
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nulls_order_largest = True
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requires_literal_defaults = True
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closed_cursor_error_class = InterfaceError
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bare_select_suffix = " FROM DUAL"
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# select for update with limit can be achieved on Oracle, but not with the current backend.
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supports_select_for_update_with_limit = False
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supports_temporal_subtraction = True
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# Oracle doesn't ignore quoted identifiers case but the current backend
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# does by uppercasing all identifiers.
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ignores_table_name_case = True
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supports_index_on_text_field = False
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has_case_insensitive_like = False
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create_test_procedure_without_params_sql = """
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CREATE PROCEDURE "TEST_PROCEDURE" AS
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V_I INTEGER;
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BEGIN
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V_I := 1;
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END;
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"""
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create_test_procedure_with_int_param_sql = """
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CREATE PROCEDURE "TEST_PROCEDURE" (P_I INTEGER) AS
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V_I INTEGER;
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BEGIN
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V_I := P_I;
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END;
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"""
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supports_callproc_kwargs = True
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supports_over_clause = True
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supports_frame_range_fixed_distance = True
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supports_ignore_conflicts = False
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max_query_params = 2**16 - 1
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supports_partial_indexes = False
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supports_slicing_ordering_in_compound = True
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allows_multiple_constraints_on_same_fields = False
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supports_boolean_expr_in_select_clause = False
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supports_primitives_in_json_field = False
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