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Enable Union feature and make tests pass (#11587)
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AdRiley
GitHub
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a9ec0e36a2
@ -174,10 +174,10 @@ type SQLServer_Dialect
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mapping = self.get_type_mapping
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source_type = mapping.sql_type_to_value_type column.sql_type_reference.get
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target_value_type = mapping.sql_type_to_value_type target_type
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# Boolean to Numeric casts need special handling:
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transformed_expression = case source_type.is_boolean && target_value_type.is_numeric of
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# Boolean to String casts need special handling:
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transformed_expression = case source_type.is_boolean && target_value_type.is_text of
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True ->
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SQL_Expression.Operation "IIF" [Internals_Access.column_expression column, SQL_Expression.Literal "1", SQL_Expression.Literal "0"]
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SQL_Expression.Operation "IIF" [Internals_Access.column_expression column, SQL_Expression.Literal "'True'", SQL_Expression.Literal "'False'"]
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False -> Internals_Access.column_expression column
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target_type_sql_text = mapping.sql_type_to_text target_type
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new_expression = SQL_Expression.Operation "CAST" [transformed_expression, SQL_Expression.Literal target_type_sql_text]
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@ -242,6 +242,7 @@ type SQLServer_Dialect
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Feature.Sort -> True
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Feature.Filter -> True
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Feature.Join -> True
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Feature.Union -> True
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_ -> False
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## PRIVATE
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@ -374,15 +375,14 @@ private _generate_expression dialect base_gen expr expression_kind:Expression_Ki
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"FALSE" -> "0"
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_ -> value
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wrapped = _align_type (SQL_Builder.code modified_value) Expression_Kind.Value expression_kind
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pair wrapped [wrapped]
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pair wrapped []
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SQL_Expression.Text_Literal _ ->
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wrapped_literal = base_gen.generate_expression dialect expr
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pair wrapped_literal []
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SQL_Expression.Operation op_kind arguments metadata ->
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op = dialect.dialect_operations.operations_dict.get op_kind (Error.throw <| Unsupported_Database_Operation.Error op_kind)
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expected_kind = _op_expected_kind op_kind
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materialize_child_null_check = _op_needs_to_materialize_null_checks op_kind
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parsed_args_and_null_checks = arguments.map (c -> _generate_expression dialect base_gen c expected_kind materialize_child_null_check)
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parsed_args_and_null_checks = arguments.map_with_index (i->c-> _generate_expression dialect base_gen c (_op_expected_kind op_kind i) materialize_child_null_check)
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parsed_args = parsed_args_and_null_checks.map .first
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null_checks = parsed_args_and_null_checks.map .second . flatten
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@ -424,8 +424,11 @@ private _generate_null_check_sql_builder null_checks:Vector expr -> SQL_Builder
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private _generate_is_null_expr null_checks:Vector -> SQL_Builder =
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(null_checks.map it->(it.paren ++ " IS NULL ")) . reduce acc-> i-> acc ++ "OR " ++ i
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private _op_expected_kind op -> Expression_Kind =
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if ["NOT"].contains op then Expression_Kind.Boolean_Condition else Expression_Kind.Value
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private _op_expected_kind op arg_pos -> Expression_Kind =
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case op of
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"NOT" -> Expression_Kind.Boolean_Condition
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"IIF" -> [Expression_Kind.Boolean_Condition, Expression_Kind.Value, Expression_Kind.Value] . at arg_pos
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_ -> Expression_Kind.Value
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private _op_return_kind op -> Expression_Kind =
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return_bool_ops = ["NOT", "BETWEEN", ">=", ">", "<=", "<", "!=", "==", "IN", "IS_NULL", "LIKE", "STARTS_WITH", "ENDS_WITH", "CONTAINS", "EQUALS_IGNORE_CASE", "IS_EMPTY"]
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@ -446,12 +449,22 @@ make_dialect_operations =
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stddev_samp = ["STDDEV_SAMP", Base_Generator.make_function "stddev_samp"]
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stats = [agg_median, agg_mode, agg_percentile, stddev_pop, stddev_samp]
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date_ops = [["year", Base_Generator.make_function "year"], make_datepart "quarter", ["month", Base_Generator.make_function "month"], make_datepart "week" "iso_week", ["day", Base_Generator.make_function "day"], make_datepart "hour", make_datepart "minute", make_datepart "day_of_year" "dayofyear", make_day_of_week, make_datepart "second", make_datepart "millisecond", make_extract_microsecond, ["date_add", make_date_add], ["date_diff", make_date_diff], ["date_trunc_to_day", make_date_trunc_to_day]]
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special_overrides = [is_empty]
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special_overrides = [is_empty, ["IIF", _make_iif]]
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other = [["RUNTIME_ERROR", make_runtime_error_op]]
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my_mappings = text + counts + stats + first_last_aggregators + arith_extensions + bool + date_ops + special_overrides + other
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base = Base_Generator.base_dialect_operations . extend_with my_mappings
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Base_Generator.Dialect_Operations.Value (base.operations_dict.remove "IS_IN")
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private _make_iif arguments:Vector -> SQL_Builder =
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case arguments.length of
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3 ->
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expr = arguments.at 0
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when_true = arguments.at 1
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when_false = arguments.at 2
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SQL_Builder.code "IIF(" ++ expr ++ ", " ++ when_true ++ ", " ++ when_false ++ ")"
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_ ->
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Error.throw <| Illegal_State.Error ("Invalid amount of arguments for operation IIF")
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## PRIVATE
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agg_count_is_null = Base_Generator.lift_unary_op "COUNT_IS_NULL" arg->
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SQL_Builder.code "SUM(CASE WHEN " ++ arg.paren ++ " IS NULL THEN 1 ELSE 0 END)"
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@ -43,7 +43,7 @@ type SQLServer_Type_Mapping
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True ->
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is_unbounded = case size of
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Nothing -> True
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Positive_Integer.Value integer -> integer == max_precision
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Positive_Integer.Value integer -> integer == max_length
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case is_unbounded of
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True -> SQL_Type.Value Types.VARCHAR "NVARCHAR(MAX)"
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False -> SQL_Type.Value Types.VARCHAR "NVARCHAR" size
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@ -87,12 +87,15 @@ type SQLServer_Type_Mapping
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Types.NVARCHAR ->
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effective_size = if sql_type.precision==max_length || (sql_type.precision==9 && sql_type.scale==9) then Nothing else sql_type.precision
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Value_Type.Char size=effective_size variable_length=True
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Types.CHAR -> Value_Type.Char size=sql_type.precision variable_length=False
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Types.NCHAR -> Value_Type.Char size=sql_type.precision variable_length=False
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Types.DATE -> Value_Type.Date
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Types.TIME -> Value_Type.Time
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Types.TIMESTAMP -> case sql_type.name of
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Types.TIMESTAMP -> case (sql_type.name.to_case ..Lower) of
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"smalldatetime" -> Value_Type.Date_Time with_timezone=False
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"datetime" -> Value_Type.Date_Time with_timezone=False
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"datetime2" -> Value_Type.Date_Time with_timezone=False
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"datetimeoffset" -> Value_Type.Date_Time with_timezone=True
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_ -> on_unknown_type sql_type
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Types.BINARY -> case sql_type.name of
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"varbinary" -> Value_Type.Binary size=sql_type.precision variable_length=True
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@ -164,9 +167,4 @@ operations_dict = Dictionary.from_vector [["IS_NULL", const (SQL_Type.Value Type
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## PRIVATE
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This is the maximum size that JDBC driver reports for 'unbounded' types in
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SQLServer.
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max_length = 16777216
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## PRIVATE
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This is the maximum size that JDBC driver reports for 'unbounded' types in
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SQLServer.
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max_precision = 2147483647
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max_length = 1073741823
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@ -38,7 +38,6 @@ add_specs suite_builder setup =
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as that seems to be the case.
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add_filter_specs suite_builder setup =
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prefix = setup.prefix
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test_selection = setup.test_selection
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table_builder = setup.light_table_builder
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suite_builder.group prefix+"Table.filter" group_builder->
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