| // Copyright 2022 The Blaze Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| use crate::error::PlanSerDeError; |
| use datafusion::arrow::datatypes::{DataType, Field, IntervalUnit, Schema, TimeUnit}; |
| use datafusion::logical_expr::AggregateFunction; |
| use datafusion::logical_plan::Operator; |
| use datafusion::physical_plan::join_utils::JoinSide; |
| use datafusion::prelude::JoinType; |
| use datafusion::scalar::ScalarValue; |
| |
| // include the generated protobuf source as a submodule |
| #[allow(clippy::all)] |
| pub mod protobuf { |
| include!(concat!(env!("OUT_DIR"), "/plan.protobuf.rs")); |
| } |
| |
| pub mod error; |
| pub mod from_proto; |
| |
| pub(crate) fn proto_error<S: Into<String>>(message: S) -> PlanSerDeError { |
| PlanSerDeError::General(message.into()) |
| } |
| |
| #[macro_export] |
| macro_rules! convert_required { |
| ($PB:expr) => {{ |
| if let Some(field) = $PB.as_ref() { |
| field.try_into() |
| } else { |
| Err(proto_error("Missing required field in protobuf")) |
| } |
| }}; |
| } |
| |
| #[macro_export] |
| macro_rules! into_required { |
| ($PB:expr) => {{ |
| if let Some(field) = $PB.as_ref() { |
| Ok(field.into()) |
| } else { |
| Err(proto_error("Missing required field in protobuf")) |
| } |
| }}; |
| } |
| |
| #[macro_export] |
| macro_rules! convert_box_required { |
| ($PB:expr) => {{ |
| if let Some(field) = $PB.as_ref() { |
| field.as_ref().try_into() |
| } else { |
| Err(proto_error("Missing required field in protobuf")) |
| } |
| }}; |
| } |
| |
| pub(crate) fn from_proto_binary_op(op: &str) -> Result<Operator, PlanSerDeError> { |
| match op { |
| "And" => Ok(Operator::And), |
| "Or" => Ok(Operator::Or), |
| "Eq" => Ok(Operator::Eq), |
| "NotEq" => Ok(Operator::NotEq), |
| "LtEq" => Ok(Operator::LtEq), |
| "Lt" => Ok(Operator::Lt), |
| "Gt" => Ok(Operator::Gt), |
| "GtEq" => Ok(Operator::GtEq), |
| "Plus" => Ok(Operator::Plus), |
| "Minus" => Ok(Operator::Minus), |
| "Multiply" => Ok(Operator::Multiply), |
| "Divide" => Ok(Operator::Divide), |
| "Modulo" => Ok(Operator::Modulo), |
| "Like" => Ok(Operator::Like), |
| "NotLike" => Ok(Operator::NotLike), |
| other => Err(proto_error(format!( |
| "Unsupported binary operator '{:?}'", |
| other |
| ))), |
| } |
| } |
| |
| impl From<protobuf::JoinType> for JoinType { |
| fn from(t: protobuf::JoinType) -> Self { |
| match t { |
| protobuf::JoinType::Inner => JoinType::Inner, |
| protobuf::JoinType::Left => JoinType::Left, |
| protobuf::JoinType::Right => JoinType::Right, |
| protobuf::JoinType::Full => JoinType::Full, |
| protobuf::JoinType::Semi => JoinType::Semi, |
| protobuf::JoinType::Anti => JoinType::Anti, |
| } |
| } |
| } |
| |
| impl From<protobuf::JoinSide> for JoinSide { |
| fn from(t: protobuf::JoinSide) -> Self { |
| match t { |
| protobuf::JoinSide::LeftSide => JoinSide::Left, |
| protobuf::JoinSide::RightSide => JoinSide::Right, |
| } |
| } |
| } |
| |
| impl From<protobuf::AggregateFunction> for AggregateFunction { |
| fn from(agg_fun: protobuf::AggregateFunction) -> AggregateFunction { |
| match agg_fun { |
| protobuf::AggregateFunction::Min => AggregateFunction::Min, |
| protobuf::AggregateFunction::Max => AggregateFunction::Max, |
| protobuf::AggregateFunction::Sum => AggregateFunction::Sum, |
| protobuf::AggregateFunction::Avg => AggregateFunction::Avg, |
| protobuf::AggregateFunction::Count => AggregateFunction::Count, |
| protobuf::AggregateFunction::ApproxDistinct => { |
| AggregateFunction::ApproxDistinct |
| } |
| protobuf::AggregateFunction::ArrayAgg => AggregateFunction::ArrayAgg, |
| protobuf::AggregateFunction::Variance => AggregateFunction::Variance, |
| protobuf::AggregateFunction::VariancePop => AggregateFunction::VariancePop, |
| protobuf::AggregateFunction::Covariance => AggregateFunction::Covariance, |
| protobuf::AggregateFunction::CovariancePop => { |
| AggregateFunction::CovariancePop |
| } |
| protobuf::AggregateFunction::Stddev => AggregateFunction::Stddev, |
| protobuf::AggregateFunction::StddevPop => AggregateFunction::StddevPop, |
| protobuf::AggregateFunction::Correlation => AggregateFunction::Correlation, |
| } |
| } |
| } |
| |
| impl protobuf::TimeUnit { |
| pub fn from_arrow_time_unit(val: &TimeUnit) -> Self { |
| match val { |
| TimeUnit::Second => protobuf::TimeUnit::Second, |
| TimeUnit::Millisecond => protobuf::TimeUnit::TimeMillisecond, |
| TimeUnit::Microsecond => protobuf::TimeUnit::Microsecond, |
| TimeUnit::Nanosecond => protobuf::TimeUnit::Nanosecond, |
| } |
| } |
| pub fn from_i32_to_arrow(time_unit_i32: i32) -> Result<TimeUnit, PlanSerDeError> { |
| let pb_time_unit = protobuf::TimeUnit::from_i32(time_unit_i32); |
| match pb_time_unit { |
| Some(time_unit) => Ok(match time_unit { |
| protobuf::TimeUnit::Second => TimeUnit::Second, |
| protobuf::TimeUnit::TimeMillisecond => TimeUnit::Millisecond, |
| protobuf::TimeUnit::Microsecond => TimeUnit::Microsecond, |
| protobuf::TimeUnit::Nanosecond => TimeUnit::Nanosecond, |
| }), |
| None => Err(proto_error( |
| "Error converting i32 to TimeUnit: Passed invalid variant", |
| )), |
| } |
| } |
| } |
| |
| impl protobuf::IntervalUnit { |
| pub fn from_arrow_interval_unit(interval_unit: &IntervalUnit) -> Self { |
| match interval_unit { |
| IntervalUnit::YearMonth => protobuf::IntervalUnit::YearMonth, |
| IntervalUnit::DayTime => protobuf::IntervalUnit::DayTime, |
| IntervalUnit::MonthDayNano => protobuf::IntervalUnit::MonthDayNano, |
| } |
| } |
| |
| pub fn from_i32_to_arrow( |
| interval_unit_i32: i32, |
| ) -> Result<IntervalUnit, PlanSerDeError> { |
| let pb_interval_unit = protobuf::IntervalUnit::from_i32(interval_unit_i32); |
| match pb_interval_unit { |
| Some(interval_unit) => Ok(match interval_unit { |
| protobuf::IntervalUnit::YearMonth => IntervalUnit::YearMonth, |
| protobuf::IntervalUnit::DayTime => IntervalUnit::DayTime, |
| protobuf::IntervalUnit::MonthDayNano => IntervalUnit::MonthDayNano, |
| }), |
| None => Err(proto_error( |
| "Error converting i32 to DateUnit: Passed invalid variant", |
| )), |
| } |
| } |
| } |
| |
| impl TryInto<datafusion::arrow::datatypes::DataType> |
| for &protobuf::arrow_type::ArrowTypeEnum |
| { |
| type Error = PlanSerDeError; |
| fn try_into(self) -> Result<datafusion::arrow::datatypes::DataType, Self::Error> { |
| use protobuf::arrow_type; |
| Ok(match self { |
| arrow_type::ArrowTypeEnum::None(_) => DataType::Null, |
| arrow_type::ArrowTypeEnum::Bool(_) => DataType::Boolean, |
| arrow_type::ArrowTypeEnum::Uint8(_) => DataType::UInt8, |
| arrow_type::ArrowTypeEnum::Int8(_) => DataType::Int8, |
| arrow_type::ArrowTypeEnum::Uint16(_) => DataType::UInt16, |
| arrow_type::ArrowTypeEnum::Int16(_) => DataType::Int16, |
| arrow_type::ArrowTypeEnum::Uint32(_) => DataType::UInt32, |
| arrow_type::ArrowTypeEnum::Int32(_) => DataType::Int32, |
| arrow_type::ArrowTypeEnum::Uint64(_) => DataType::UInt64, |
| arrow_type::ArrowTypeEnum::Int64(_) => DataType::Int64, |
| arrow_type::ArrowTypeEnum::Float16(_) => DataType::Float16, |
| arrow_type::ArrowTypeEnum::Float32(_) => DataType::Float32, |
| arrow_type::ArrowTypeEnum::Float64(_) => DataType::Float64, |
| arrow_type::ArrowTypeEnum::Utf8(_) => DataType::Utf8, |
| arrow_type::ArrowTypeEnum::LargeUtf8(_) => DataType::LargeUtf8, |
| arrow_type::ArrowTypeEnum::Binary(_) => DataType::Binary, |
| arrow_type::ArrowTypeEnum::FixedSizeBinary(size) => { |
| DataType::FixedSizeBinary(*size) |
| } |
| arrow_type::ArrowTypeEnum::LargeBinary(_) => DataType::LargeBinary, |
| arrow_type::ArrowTypeEnum::Date32(_) => DataType::Date32, |
| arrow_type::ArrowTypeEnum::Date64(_) => DataType::Date64, |
| arrow_type::ArrowTypeEnum::Duration(time_unit) => { |
| DataType::Duration(protobuf::TimeUnit::from_i32_to_arrow(*time_unit)?) |
| } |
| arrow_type::ArrowTypeEnum::Timestamp(protobuf::Timestamp { |
| time_unit, |
| timezone, |
| }) => DataType::Timestamp( |
| protobuf::TimeUnit::from_i32_to_arrow(*time_unit)?, |
| match timezone.len() { |
| 0 => None, |
| _ => Some(timezone.to_owned()), |
| }, |
| ), |
| arrow_type::ArrowTypeEnum::Time32(time_unit) => { |
| DataType::Time32(protobuf::TimeUnit::from_i32_to_arrow(*time_unit)?) |
| } |
| arrow_type::ArrowTypeEnum::Time64(time_unit) => { |
| DataType::Time64(protobuf::TimeUnit::from_i32_to_arrow(*time_unit)?) |
| } |
| arrow_type::ArrowTypeEnum::Interval(interval_unit) => DataType::Interval( |
| protobuf::IntervalUnit::from_i32_to_arrow(*interval_unit)?, |
| ), |
| arrow_type::ArrowTypeEnum::Decimal(protobuf::Decimal { |
| whole, |
| fractional, |
| }) => DataType::Decimal(*whole as usize, *fractional as usize), |
| arrow_type::ArrowTypeEnum::List(list) => { |
| let list_type: &protobuf::Field = list |
| .as_ref() |
| .field_type |
| .as_ref() |
| .ok_or_else(|| proto_error("Protobuf deserialization error: List message missing required field 'field_type'"))? |
| .as_ref(); |
| DataType::List(Box::new(list_type.try_into()?)) |
| } |
| arrow_type::ArrowTypeEnum::LargeList(list) => { |
| let list_type: &protobuf::Field = list |
| .as_ref() |
| .field_type |
| .as_ref() |
| .ok_or_else(|| proto_error("Protobuf deserialization error: List message missing required field 'field_type'"))? |
| .as_ref(); |
| DataType::LargeList(Box::new(list_type.try_into()?)) |
| } |
| arrow_type::ArrowTypeEnum::FixedSizeList(list) => { |
| let list_type: &protobuf::Field = list |
| .as_ref() |
| .field_type |
| .as_ref() |
| .ok_or_else(|| proto_error("Protobuf deserialization error: List message missing required field 'field_type'"))? |
| .as_ref(); |
| let list_size = list.list_size; |
| DataType::FixedSizeList(Box::new(list_type.try_into()?), list_size) |
| } |
| arrow_type::ArrowTypeEnum::Struct(strct) => DataType::Struct( |
| strct |
| .sub_field_types |
| .iter() |
| .map(|field| field.try_into()) |
| .collect::<Result<Vec<_>, _>>()?, |
| ), |
| arrow_type::ArrowTypeEnum::Union(_union) => { |
| // let union_mode = protobuf::UnionMode::from_i32(union.union_mode) |
| // .ok_or_else(|| { |
| // proto_error( |
| // "Protobuf deserialization error: Unknown union mode type", |
| // ) |
| // })?; |
| // let union_mode = match union_mode { |
| // protobuf::UnionMode::Dense => UnionMode::Dense, |
| // protobuf::UnionMode::Sparse => UnionMode::Sparse, |
| // }; |
| // let union_types = union |
| // .union_types |
| // .iter() |
| // .map(|field| field.try_into()) |
| // .collect::<Result<Vec<_>, _>>()?; |
| // DataType::Union(union_types, _, union_mode) |
| unimplemented!() |
| } |
| arrow_type::ArrowTypeEnum::Dictionary(dict) => { |
| let pb_key_datatype = dict |
| .as_ref() |
| .key |
| .as_ref() |
| .ok_or_else(|| proto_error("Protobuf deserialization error: Dictionary message missing required field 'key'"))?; |
| let pb_value_datatype = dict |
| .as_ref() |
| .value |
| .as_ref() |
| .ok_or_else(|| proto_error("Protobuf deserialization error: Dictionary message missing required field 'key'"))?; |
| let key_datatype: DataType = pb_key_datatype.as_ref().try_into()?; |
| let value_datatype: DataType = pb_value_datatype.as_ref().try_into()?; |
| DataType::Dictionary(Box::new(key_datatype), Box::new(value_datatype)) |
| } |
| }) |
| } |
| } |
| |
| #[allow(clippy::from_over_into)] |
| impl Into<datafusion::arrow::datatypes::DataType> for protobuf::PrimitiveScalarType { |
| fn into(self) -> datafusion::arrow::datatypes::DataType { |
| match self { |
| protobuf::PrimitiveScalarType::Bool => DataType::Boolean, |
| protobuf::PrimitiveScalarType::Uint8 => DataType::UInt8, |
| protobuf::PrimitiveScalarType::Int8 => DataType::Int8, |
| protobuf::PrimitiveScalarType::Uint16 => DataType::UInt16, |
| protobuf::PrimitiveScalarType::Int16 => DataType::Int16, |
| protobuf::PrimitiveScalarType::Uint32 => DataType::UInt32, |
| protobuf::PrimitiveScalarType::Int32 => DataType::Int32, |
| protobuf::PrimitiveScalarType::Uint64 => DataType::UInt64, |
| protobuf::PrimitiveScalarType::Int64 => DataType::Int64, |
| protobuf::PrimitiveScalarType::Float32 => DataType::Float32, |
| protobuf::PrimitiveScalarType::Float64 => DataType::Float64, |
| protobuf::PrimitiveScalarType::Utf8 => DataType::Utf8, |
| protobuf::PrimitiveScalarType::LargeUtf8 => DataType::LargeUtf8, |
| protobuf::PrimitiveScalarType::Date32 => DataType::Date32, |
| protobuf::PrimitiveScalarType::TimeMicrosecond => { |
| DataType::Time64(TimeUnit::Microsecond) |
| } |
| protobuf::PrimitiveScalarType::TimeNanosecond => { |
| DataType::Time64(TimeUnit::Nanosecond) |
| } |
| protobuf::PrimitiveScalarType::Null => DataType::Null, |
| protobuf::PrimitiveScalarType::Decimal128 => DataType::Decimal(0, 0), |
| protobuf::PrimitiveScalarType::Date64 => DataType::Date64, |
| protobuf::PrimitiveScalarType::TimeSecond => { |
| DataType::Timestamp(TimeUnit::Second, None) |
| } |
| protobuf::PrimitiveScalarType::TimeMillisecond => { |
| DataType::Timestamp(TimeUnit::Millisecond, None) |
| } |
| protobuf::PrimitiveScalarType::IntervalYearmonth => { |
| DataType::Interval(IntervalUnit::YearMonth) |
| } |
| protobuf::PrimitiveScalarType::IntervalDaytime => { |
| DataType::Interval(IntervalUnit::DayTime) |
| } |
| } |
| } |
| } |
| |
| impl TryInto<DataType> for &protobuf::ArrowType { |
| type Error = PlanSerDeError; |
| fn try_into(self) -> Result<DataType, Self::Error> { |
| let pb_arrow_type = self.arrow_type_enum.as_ref().ok_or_else(|| { |
| proto_error( |
| "Protobuf deserialization error: ArrowType missing required field 'data_type'", |
| ) |
| })?; |
| pb_arrow_type.try_into() |
| } |
| } |
| |
| impl TryInto<DataType> for &Box<protobuf::List> { |
| type Error = PlanSerDeError; |
| fn try_into(self) -> Result<DataType, Self::Error> { |
| let list_ref = self.as_ref(); |
| match &list_ref.field_type { |
| Some(pb_field) => { |
| let pb_field_ref = pb_field.as_ref(); |
| let arrow_field: Field = pb_field_ref.try_into()?; |
| Ok(DataType::List(Box::new(arrow_field))) |
| } |
| None => Err(proto_error( |
| "List message missing required field 'field_type'", |
| )), |
| } |
| } |
| } |
| |
| impl TryInto<Field> for &protobuf::Field { |
| type Error = PlanSerDeError; |
| fn try_into(self) -> Result<Field, Self::Error> { |
| let pb_datatype = self.arrow_type.as_ref().ok_or_else(|| { |
| proto_error( |
| "Protobuf deserialization error: Field message missing required field 'arrow_type'", |
| ) |
| })?; |
| |
| Ok(Field::new( |
| self.name.as_str(), |
| pb_datatype.as_ref().try_into()?, |
| self.nullable, |
| )) |
| } |
| } |
| |
| impl TryInto<Schema> for &protobuf::Schema { |
| type Error = PlanSerDeError; |
| |
| fn try_into(self) -> Result<Schema, PlanSerDeError> { |
| let fields = self |
| .columns |
| .iter() |
| .map(|c| { |
| let pb_arrow_type_res = c |
| .arrow_type |
| .as_ref() |
| .ok_or_else(|| proto_error("Protobuf deserialization error: Field message was missing required field 'arrow_type'")); |
| let pb_arrow_type: &protobuf::ArrowType = match pb_arrow_type_res { |
| Ok(res) => res, |
| Err(e) => return Err(e), |
| }; |
| Ok(Field::new(&c.name, pb_arrow_type.try_into()?, c.nullable)) |
| }) |
| .collect::<Result<Vec<_>, _>>()?; |
| Ok(Schema::new(fields)) |
| } |
| } |
| |
| impl TryInto<datafusion::scalar::ScalarValue> for &protobuf::ScalarValue { |
| type Error = PlanSerDeError; |
| fn try_into(self) -> Result<datafusion::scalar::ScalarValue, Self::Error> { |
| let value = self.value.as_ref().ok_or_else(|| { |
| proto_error("Protobuf deserialization error: missing required field 'value'") |
| })?; |
| Ok(match value { |
| protobuf::scalar_value::Value::BoolValue(v) => ScalarValue::Boolean(Some(*v)), |
| protobuf::scalar_value::Value::Utf8Value(v) => { |
| ScalarValue::Utf8(Some(v.to_owned())) |
| } |
| protobuf::scalar_value::Value::LargeUtf8Value(v) => { |
| ScalarValue::LargeUtf8(Some(v.to_owned())) |
| } |
| protobuf::scalar_value::Value::Int8Value(v) => { |
| ScalarValue::Int8(Some(*v as i8)) |
| } |
| protobuf::scalar_value::Value::Int16Value(v) => { |
| ScalarValue::Int16(Some(*v as i16)) |
| } |
| protobuf::scalar_value::Value::Int32Value(v) => ScalarValue::Int32(Some(*v)), |
| protobuf::scalar_value::Value::Int64Value(v) => ScalarValue::Int64(Some(*v)), |
| protobuf::scalar_value::Value::Uint8Value(v) => { |
| ScalarValue::UInt8(Some(*v as u8)) |
| } |
| protobuf::scalar_value::Value::Uint16Value(v) => { |
| ScalarValue::UInt16(Some(*v as u16)) |
| } |
| protobuf::scalar_value::Value::Uint32Value(v) => { |
| ScalarValue::UInt32(Some(*v)) |
| } |
| protobuf::scalar_value::Value::Uint64Value(v) => { |
| ScalarValue::UInt64(Some(*v)) |
| } |
| protobuf::scalar_value::Value::Float32Value(v) => { |
| ScalarValue::Float32(Some(*v)) |
| } |
| protobuf::scalar_value::Value::Float64Value(v) => { |
| ScalarValue::Float64(Some(*v)) |
| } |
| protobuf::scalar_value::Value::Date32Value(v) => { |
| ScalarValue::Date32(Some(*v)) |
| } |
| protobuf::scalar_value::Value::TimeMicrosecondValue(v) => { |
| ScalarValue::TimestampMicrosecond(Some(*v), None) |
| } |
| protobuf::scalar_value::Value::TimeNanosecondValue(v) => { |
| ScalarValue::TimestampNanosecond(Some(*v), None) |
| } |
| protobuf::scalar_value::Value::DecimalValue(v) => { |
| let decimal = v.decimal.as_ref().unwrap(); |
| ScalarValue::Decimal128( |
| Some(v.long_value as i128), |
| decimal.whole as usize, |
| decimal.fractional as usize, |
| ) |
| } |
| protobuf::scalar_value::Value::ListValue(scalar_list) => { |
| let protobuf::ScalarListValue { |
| values, |
| datatype: opt_scalar_type, |
| } = &scalar_list; |
| let pb_scalar_type = opt_scalar_type |
| .as_ref() |
| .ok_or_else(|| proto_error("Protobuf deserialization err: ScalaListValue missing required field 'datatype'"))?; |
| let typechecked_values: Vec<ScalarValue> = values |
| .iter() |
| .map(|val| val.try_into()) |
| .collect::<Result<Vec<_>, _>>()?; |
| let scalar_type: DataType = pb_scalar_type.try_into()?; |
| let scalar_type = Box::new(scalar_type); |
| ScalarValue::List(Some(typechecked_values), scalar_type) |
| } |
| protobuf::scalar_value::Value::NullListValue(v) => { |
| let pb_datatype = v |
| .datatype |
| .as_ref() |
| .ok_or_else(|| proto_error("Protobuf deserialization error: NullListValue message missing required field 'datatyp'"))?; |
| let pb_datatype = Box::new(pb_datatype.try_into()?); |
| ScalarValue::List(None, pb_datatype) |
| } |
| protobuf::scalar_value::Value::NullValue(v) => { |
| let null_type_enum = protobuf::PrimitiveScalarType::from_i32(*v) |
| .ok_or_else(|| proto_error("Protobuf deserialization error found invalid enum variant for DatafusionScalar"))?; |
| null_type_enum.try_into()? |
| } |
| }) |
| } |
| } |
| |
| impl TryInto<DataType> for &protobuf::ScalarType { |
| type Error = PlanSerDeError; |
| fn try_into(self) -> Result<DataType, Self::Error> { |
| let pb_scalartype = self.datatype.as_ref().ok_or_else(|| { |
| proto_error("ScalarType message missing required field 'datatype'") |
| })?; |
| pb_scalartype.try_into() |
| } |
| } |
| |
| impl TryInto<DataType> for &protobuf::scalar_type::Datatype { |
| type Error = PlanSerDeError; |
| fn try_into(self) -> Result<DataType, Self::Error> { |
| use protobuf::scalar_type::Datatype; |
| Ok(match self { |
| Datatype::Scalar(scalar_type) => { |
| let pb_scalar_enum = protobuf::PrimitiveScalarType::from_i32(*scalar_type).ok_or_else(|| { |
| proto_error(format!( |
| "Protobuf deserialization error, scalar_type::Datatype missing was provided invalid enum variant: {}", |
| *scalar_type |
| )) |
| })?; |
| pb_scalar_enum.into() |
| } |
| Datatype::List(protobuf::ScalarListType { |
| deepest_type, |
| field_names, |
| }) => { |
| if field_names.is_empty() { |
| return Err(proto_error( |
| "Protobuf deserialization error: found no field names in ScalarListType message which requires at least one", |
| )); |
| } |
| let pb_scalar_type = protobuf::PrimitiveScalarType::from_i32( |
| *deepest_type, |
| ) |
| .ok_or_else(|| { |
| proto_error(format!( |
| "Protobuf deserialization error: invalid i32 for scalar enum: {}", |
| *deepest_type |
| )) |
| })?; |
| //Because length is checked above it is safe to unwrap .last() |
| let mut scalar_type = DataType::List(Box::new(Field::new( |
| field_names.last().unwrap().as_str(), |
| pb_scalar_type.into(), |
| true, |
| ))); |
| //Iterate over field names in reverse order except for the last item in the vector |
| for name in field_names.iter().rev().skip(1) { |
| let new_datatype = DataType::List(Box::new(Field::new( |
| name.as_str(), |
| scalar_type, |
| true, |
| ))); |
| scalar_type = new_datatype; |
| } |
| scalar_type |
| } |
| }) |
| } |
| } |
| |
| impl TryInto<datafusion::scalar::ScalarValue> for &protobuf::scalar_value::Value { |
| type Error = PlanSerDeError; |
| fn try_into(self) -> Result<datafusion::scalar::ScalarValue, Self::Error> { |
| use protobuf::PrimitiveScalarType; |
| let scalar = match self { |
| protobuf::scalar_value::Value::BoolValue(v) => ScalarValue::Boolean(Some(*v)), |
| protobuf::scalar_value::Value::Utf8Value(v) => { |
| ScalarValue::Utf8(Some(v.to_owned())) |
| } |
| protobuf::scalar_value::Value::LargeUtf8Value(v) => { |
| ScalarValue::LargeUtf8(Some(v.to_owned())) |
| } |
| protobuf::scalar_value::Value::Int8Value(v) => { |
| ScalarValue::Int8(Some(*v as i8)) |
| } |
| protobuf::scalar_value::Value::Int16Value(v) => { |
| ScalarValue::Int16(Some(*v as i16)) |
| } |
| protobuf::scalar_value::Value::Int32Value(v) => ScalarValue::Int32(Some(*v)), |
| protobuf::scalar_value::Value::Int64Value(v) => ScalarValue::Int64(Some(*v)), |
| protobuf::scalar_value::Value::Uint8Value(v) => { |
| ScalarValue::UInt8(Some(*v as u8)) |
| } |
| protobuf::scalar_value::Value::Uint16Value(v) => { |
| ScalarValue::UInt16(Some(*v as u16)) |
| } |
| protobuf::scalar_value::Value::Uint32Value(v) => { |
| ScalarValue::UInt32(Some(*v)) |
| } |
| protobuf::scalar_value::Value::Uint64Value(v) => { |
| ScalarValue::UInt64(Some(*v)) |
| } |
| protobuf::scalar_value::Value::Float32Value(v) => { |
| ScalarValue::Float32(Some(*v)) |
| } |
| protobuf::scalar_value::Value::Float64Value(v) => { |
| ScalarValue::Float64(Some(*v)) |
| } |
| protobuf::scalar_value::Value::Date32Value(v) => { |
| ScalarValue::Date32(Some(*v)) |
| } |
| protobuf::scalar_value::Value::TimeMicrosecondValue(v) => { |
| ScalarValue::TimestampMicrosecond(Some(*v), None) |
| } |
| protobuf::scalar_value::Value::TimeNanosecondValue(v) => { |
| ScalarValue::TimestampNanosecond(Some(*v), None) |
| } |
| protobuf::scalar_value::Value::ListValue(v) => v.try_into()?, |
| protobuf::scalar_value::Value::NullListValue(v) => { |
| ScalarValue::List(None, Box::new(v.try_into()?)) |
| } |
| protobuf::scalar_value::Value::NullValue(null_enum) => { |
| PrimitiveScalarType::from_i32(*null_enum) |
| .ok_or_else(|| proto_error("Invalid scalar type"))? |
| .try_into()? |
| } |
| protobuf::scalar_value::Value::DecimalValue(v) => { |
| let decimal = v.decimal.as_ref().unwrap(); |
| ScalarValue::Decimal128( |
| Some(v.long_value as i128), |
| decimal.whole as usize, |
| decimal.fractional as usize, |
| ) |
| } |
| }; |
| Ok(scalar) |
| } |
| } |
| |
| impl TryInto<datafusion::scalar::ScalarValue> for &protobuf::ScalarListValue { |
| type Error = PlanSerDeError; |
| fn try_into(self) -> Result<datafusion::scalar::ScalarValue, Self::Error> { |
| use protobuf::scalar_type::Datatype; |
| use protobuf::PrimitiveScalarType; |
| let protobuf::ScalarListValue { datatype, values } = self; |
| let pb_scalar_type = datatype |
| .as_ref() |
| .ok_or_else(|| proto_error("Protobuf deserialization error: ScalarListValue messsage missing required field 'datatype'"))?; |
| let scalar_type = pb_scalar_type |
| .datatype |
| .as_ref() |
| .ok_or_else(|| proto_error("Protobuf deserialization error: ScalarListValue.Datatype messsage missing required field 'datatype'"))?; |
| let scalar_values = match scalar_type { |
| Datatype::Scalar(scalar_type_i32) => { |
| let leaf_scalar_type = |
| protobuf::PrimitiveScalarType::from_i32(*scalar_type_i32) |
| .ok_or_else(|| { |
| proto_error("Error converting i32 to basic scalar type") |
| })?; |
| let typechecked_values: Vec<datafusion::scalar::ScalarValue> = values |
| .iter() |
| .map(|protobuf::ScalarValue { value: opt_value }| { |
| let value = opt_value.as_ref().ok_or_else(|| { |
| proto_error( |
| "Protobuf deserialization error: missing required field 'value'", |
| ) |
| })?; |
| typechecked_scalar_value_conversion(value, leaf_scalar_type) |
| }) |
| .collect::<Result<Vec<_>, _>>()?; |
| datafusion::scalar::ScalarValue::List( |
| Some(typechecked_values), |
| Box::new(leaf_scalar_type.into()), |
| ) |
| } |
| Datatype::List(list_type) => { |
| let protobuf::ScalarListType { |
| deepest_type, |
| field_names, |
| } = &list_type; |
| let leaf_type = |
| PrimitiveScalarType::from_i32(*deepest_type).ok_or_else(|| { |
| proto_error("Error converting i32 to basic scalar type") |
| })?; |
| let depth = field_names.len(); |
| |
| let typechecked_values: Vec<datafusion::scalar::ScalarValue> = if depth |
| == 0 |
| { |
| return Err(proto_error( |
| "Protobuf deserialization error, ScalarListType had no field names, requires at least one", |
| )); |
| } else if depth == 1 { |
| values |
| .iter() |
| .map(|protobuf::ScalarValue { value: opt_value }| { |
| let value = opt_value |
| .as_ref() |
| .ok_or_else(|| proto_error("Protobuf deserialization error: missing required field 'value'"))?; |
| typechecked_scalar_value_conversion(value, leaf_type) |
| }) |
| .collect::<Result<Vec<_>, _>>()? |
| } else { |
| values |
| .iter() |
| .map(|protobuf::ScalarValue { value: opt_value }| { |
| let value = opt_value |
| .as_ref() |
| .ok_or_else(|| proto_error("Protobuf deserialization error: missing required field 'value'"))?; |
| value.try_into() |
| }) |
| .collect::<Result<Vec<_>, _>>()? |
| }; |
| datafusion::scalar::ScalarValue::List( |
| match typechecked_values.len() { |
| 0 => None, |
| _ => Some(typechecked_values), |
| }, |
| Box::new(list_type.try_into()?), |
| ) |
| } |
| }; |
| Ok(scalar_values) |
| } |
| } |
| |
| impl TryInto<DataType> for &protobuf::ScalarListType { |
| type Error = PlanSerDeError; |
| fn try_into(self) -> Result<DataType, Self::Error> { |
| use protobuf::PrimitiveScalarType; |
| let protobuf::ScalarListType { |
| deepest_type, |
| field_names, |
| } = self; |
| |
| let depth = field_names.len(); |
| if depth == 0 { |
| return Err(proto_error( |
| "Protobuf deserialization error: Found a ScalarListType message with no field names, at least one is required", |
| )); |
| } |
| |
| let mut curr_type = DataType::List(Box::new(Field::new( |
| //Since checked vector is not empty above this is safe to unwrap |
| field_names.last().unwrap(), |
| PrimitiveScalarType::from_i32(*deepest_type) |
| .ok_or_else(|| { |
| proto_error("Could not convert to datafusion scalar type") |
| })? |
| .into(), |
| true, |
| ))); |
| //Iterates over field names in reverse order except for the last item in the vector |
| for name in field_names.iter().rev().skip(1) { |
| let temp_curr_type = |
| DataType::List(Box::new(Field::new(name, curr_type, true))); |
| curr_type = temp_curr_type; |
| } |
| Ok(curr_type) |
| } |
| } |
| |
| //Does not typecheck lists |
| fn typechecked_scalar_value_conversion( |
| tested_type: &protobuf::scalar_value::Value, |
| required_type: protobuf::PrimitiveScalarType, |
| ) -> Result<datafusion::scalar::ScalarValue, PlanSerDeError> { |
| use protobuf::scalar_value::Value; |
| use protobuf::PrimitiveScalarType; |
| Ok(match (tested_type, &required_type) { |
| (Value::BoolValue(v), PrimitiveScalarType::Bool) => { |
| ScalarValue::Boolean(Some(*v)) |
| } |
| (Value::Int8Value(v), PrimitiveScalarType::Int8) => { |
| ScalarValue::Int8(Some(*v as i8)) |
| } |
| (Value::Int16Value(v), PrimitiveScalarType::Int16) => { |
| ScalarValue::Int16(Some(*v as i16)) |
| } |
| (Value::Int32Value(v), PrimitiveScalarType::Int32) => { |
| ScalarValue::Int32(Some(*v)) |
| } |
| (Value::Int64Value(v), PrimitiveScalarType::Int64) => { |
| ScalarValue::Int64(Some(*v)) |
| } |
| (Value::Uint8Value(v), PrimitiveScalarType::Uint8) => { |
| ScalarValue::UInt8(Some(*v as u8)) |
| } |
| (Value::Uint16Value(v), PrimitiveScalarType::Uint16) => { |
| ScalarValue::UInt16(Some(*v as u16)) |
| } |
| (Value::Uint32Value(v), PrimitiveScalarType::Uint32) => { |
| ScalarValue::UInt32(Some(*v)) |
| } |
| (Value::Uint64Value(v), PrimitiveScalarType::Uint64) => { |
| ScalarValue::UInt64(Some(*v)) |
| } |
| (Value::Float32Value(v), PrimitiveScalarType::Float32) => { |
| ScalarValue::Float32(Some(*v)) |
| } |
| (Value::Float64Value(v), PrimitiveScalarType::Float64) => { |
| ScalarValue::Float64(Some(*v)) |
| } |
| (Value::Date32Value(v), PrimitiveScalarType::Date32) => { |
| ScalarValue::Date32(Some(*v)) |
| } |
| (Value::TimeMicrosecondValue(v), PrimitiveScalarType::TimeMicrosecond) => { |
| ScalarValue::TimestampMicrosecond(Some(*v), None) |
| } |
| (Value::TimeNanosecondValue(v), PrimitiveScalarType::TimeMicrosecond) => { |
| ScalarValue::TimestampNanosecond(Some(*v), None) |
| } |
| (Value::Utf8Value(v), PrimitiveScalarType::Utf8) => { |
| ScalarValue::Utf8(Some(v.to_owned())) |
| } |
| (Value::LargeUtf8Value(v), PrimitiveScalarType::LargeUtf8) => { |
| ScalarValue::LargeUtf8(Some(v.to_owned())) |
| } |
| |
| (Value::NullValue(i32_enum), required_scalar_type) => { |
| if *i32_enum == *required_scalar_type as i32 { |
| let pb_scalar_type = PrimitiveScalarType::from_i32(*i32_enum).ok_or_else(|| { |
| PlanSerDeError::General(format!( |
| "Invalid i32_enum={} when converting with PrimitiveScalarType::from_i32()", |
| *i32_enum |
| )) |
| })?; |
| let scalar_value: ScalarValue = match pb_scalar_type { |
| PrimitiveScalarType::Bool => ScalarValue::Boolean(None), |
| PrimitiveScalarType::Uint8 => ScalarValue::UInt8(None), |
| PrimitiveScalarType::Int8 => ScalarValue::Int8(None), |
| PrimitiveScalarType::Uint16 => ScalarValue::UInt16(None), |
| PrimitiveScalarType::Int16 => ScalarValue::Int16(None), |
| PrimitiveScalarType::Uint32 => ScalarValue::UInt32(None), |
| PrimitiveScalarType::Int32 => ScalarValue::Int32(None), |
| PrimitiveScalarType::Uint64 => ScalarValue::UInt64(None), |
| PrimitiveScalarType::Int64 => ScalarValue::Int64(None), |
| PrimitiveScalarType::Float32 => ScalarValue::Float32(None), |
| PrimitiveScalarType::Float64 => ScalarValue::Float64(None), |
| PrimitiveScalarType::Utf8 => ScalarValue::Utf8(None), |
| PrimitiveScalarType::LargeUtf8 => ScalarValue::LargeUtf8(None), |
| PrimitiveScalarType::Date32 => ScalarValue::Date32(None), |
| PrimitiveScalarType::TimeMicrosecond => { |
| ScalarValue::TimestampMicrosecond(None, None) |
| } |
| PrimitiveScalarType::TimeNanosecond => { |
| ScalarValue::TimestampNanosecond(None, None) |
| } |
| PrimitiveScalarType::Null => { |
| return Err(proto_error( |
| "Untyped scalar null is not a valid scalar value", |
| )) |
| } |
| PrimitiveScalarType::Decimal128 => { |
| ScalarValue::Decimal128(None, 0, 0) |
| } |
| PrimitiveScalarType::Date64 => ScalarValue::Date64(None), |
| PrimitiveScalarType::TimeSecond => { |
| ScalarValue::TimestampSecond(None, None) |
| } |
| PrimitiveScalarType::TimeMillisecond => { |
| ScalarValue::TimestampMillisecond(None, None) |
| } |
| PrimitiveScalarType::IntervalYearmonth => { |
| ScalarValue::IntervalYearMonth(None) |
| } |
| PrimitiveScalarType::IntervalDaytime => { |
| ScalarValue::IntervalDayTime(None) |
| } |
| }; |
| scalar_value |
| } else { |
| return Err(proto_error("Could not convert to the proper type")); |
| } |
| } |
| _ => return Err(proto_error("Could not convert to the proper type")), |
| }) |
| } |
| |
| impl TryInto<datafusion::scalar::ScalarValue> for protobuf::PrimitiveScalarType { |
| type Error = PlanSerDeError; |
| fn try_into(self) -> Result<datafusion::scalar::ScalarValue, Self::Error> { |
| Ok(match self { |
| protobuf::PrimitiveScalarType::Null => { |
| return Err(proto_error("Untyped null is an invalid scalar value")) |
| } |
| protobuf::PrimitiveScalarType::Bool => ScalarValue::Boolean(None), |
| protobuf::PrimitiveScalarType::Uint8 => ScalarValue::UInt8(None), |
| protobuf::PrimitiveScalarType::Int8 => ScalarValue::Int8(None), |
| protobuf::PrimitiveScalarType::Uint16 => ScalarValue::UInt16(None), |
| protobuf::PrimitiveScalarType::Int16 => ScalarValue::Int16(None), |
| protobuf::PrimitiveScalarType::Uint32 => ScalarValue::UInt32(None), |
| protobuf::PrimitiveScalarType::Int32 => ScalarValue::Int32(None), |
| protobuf::PrimitiveScalarType::Uint64 => ScalarValue::UInt64(None), |
| protobuf::PrimitiveScalarType::Int64 => ScalarValue::Int64(None), |
| protobuf::PrimitiveScalarType::Float32 => ScalarValue::Float32(None), |
| protobuf::PrimitiveScalarType::Float64 => ScalarValue::Float64(None), |
| protobuf::PrimitiveScalarType::Utf8 => ScalarValue::Utf8(None), |
| protobuf::PrimitiveScalarType::LargeUtf8 => ScalarValue::LargeUtf8(None), |
| protobuf::PrimitiveScalarType::Date32 => ScalarValue::Date32(None), |
| protobuf::PrimitiveScalarType::TimeMicrosecond => { |
| ScalarValue::TimestampMicrosecond(None, None) |
| } |
| protobuf::PrimitiveScalarType::TimeNanosecond => { |
| ScalarValue::TimestampNanosecond(None, None) |
| } |
| protobuf::PrimitiveScalarType::Decimal128 => { |
| ScalarValue::Decimal128(None, 0, 0) |
| } |
| protobuf::PrimitiveScalarType::Date64 => ScalarValue::Date64(None), |
| protobuf::PrimitiveScalarType::TimeSecond => { |
| ScalarValue::TimestampSecond(None, None) |
| } |
| protobuf::PrimitiveScalarType::TimeMillisecond => { |
| ScalarValue::TimestampMillisecond(None, None) |
| } |
| protobuf::PrimitiveScalarType::IntervalYearmonth => { |
| ScalarValue::IntervalYearMonth(None) |
| } |
| protobuf::PrimitiveScalarType::IntervalDaytime => { |
| ScalarValue::IntervalDayTime(None) |
| } |
| }) |
| } |
| } |
