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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,229 @@ | ||
| use datafusion::arrow::{array::{Array, ArrayRef, AsArray}, datatypes::DataType}; | ||
| use datafusion_common::ScalarValue; | ||
| use datafusion_expr::Operator; | ||
| use datafusion::arrow::datatypes; | ||
| use datafusion_physical_expr::{expressions as phys_expr, PhysicalExprRef}; | ||
| use sea_query::{Alias, BinOper, CaseStatement, ColumnRef, IntoIden, SimpleExpr, Value}; | ||
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| /// Convert a DataFusion PhysicalExpr to a SeaQuery SimpleExpr | ||
| pub fn physical_expr_to_sea_query(expr: &PhysicalExprRef) -> SimpleExpr { | ||
| if let Some(expr) = expr.as_any().downcast_ref::<phys_expr::BinaryExpr>(){ | ||
| let left = physical_expr_to_sea_query(expr.left()); | ||
| let right = physical_expr_to_sea_query(expr.right()); | ||
| match expr.op() { | ||
| Operator::Eq => left.binary(BinOper::Equal, right), | ||
| Operator::NotEq => left.binary(BinOper::NotEqual, right), | ||
| Operator::Lt => left.binary(BinOper::SmallerThan, right), | ||
| Operator::LtEq => left.binary(BinOper::SmallerThanOrEqual, right), | ||
| Operator::Gt => left.binary(BinOper::GreaterThan, right), | ||
| Operator::GtEq => left.binary(BinOper::GreaterThanOrEqual, right), | ||
| Operator::Plus => left.binary(BinOper::Add, right), | ||
| Operator::Minus => left.binary(BinOper::Sub, right), | ||
| Operator::Multiply => left.binary(BinOper::Mul, right), | ||
| Operator::Divide => left.binary(BinOper::Div, right), | ||
| Operator::Modulo => left.binary(BinOper::Mod, right), | ||
| Operator::And => left.binary(BinOper::And, right), | ||
| Operator::Or => left.binary(BinOper::Or, right), | ||
| Operator::LikeMatch => left.binary(BinOper::Like, right), | ||
| Operator::NotLikeMatch => left.binary(BinOper::NotLike, right), | ||
| Operator::BitwiseShiftLeft => left.binary(BinOper::LShift, right), | ||
| Operator::BitwiseShiftRight => left.binary(BinOper::RShift, right), | ||
| _ => SimpleExpr::Constant(Value::Bool(Some(true))) | ||
| } | ||
| } else if let Some(expr) = expr.as_any().downcast_ref::<phys_expr::Column>() { | ||
| SimpleExpr::Column(ColumnRef::Column(Alias::new(expr.name().to_string()).into_iden())) | ||
| } else if let Some(expr) = expr.as_any().downcast_ref::<phys_expr::Literal>() { | ||
| match expr.value() { | ||
| ScalarValue::Null => SimpleExpr::Keyword(sea_query::Keyword::Null), | ||
| ScalarValue::Boolean(v) => SimpleExpr::Constant(Value::Bool(*v)), | ||
| ScalarValue::Float32(v) => SimpleExpr::Constant(Value::Float(*v)), | ||
| ScalarValue::Float64(v) => SimpleExpr::Constant(Value::Double(*v)), | ||
| ScalarValue::Int8(v) => SimpleExpr::Constant(Value::TinyInt(*v)), | ||
| ScalarValue::Int16(v) => SimpleExpr::Constant(Value::SmallInt(*v)), | ||
| ScalarValue::Int32(v) => SimpleExpr::Constant(Value::Int(*v)), | ||
| ScalarValue::Int64(v) => SimpleExpr::Constant(Value::BigInt(*v)), | ||
| ScalarValue::UInt8(v) => SimpleExpr::Constant(Value::TinyUnsigned(*v)), | ||
| ScalarValue::UInt16(v) => SimpleExpr::Constant(Value::SmallUnsigned(*v)), | ||
| ScalarValue::UInt32(v) => SimpleExpr::Constant(Value::Unsigned(*v)), | ||
| ScalarValue::UInt64(v) => SimpleExpr::Constant(Value::BigUnsigned(*v)), | ||
| ScalarValue::Utf8(v) => match v { | ||
| Some(v) => SimpleExpr::Constant(Value::String(Some(Box::new(v.to_string())))), | ||
| None => SimpleExpr::Constant(Value::String(None)), | ||
| }, | ||
| ScalarValue::LargeUtf8(v) => match v { | ||
| Some(v) => SimpleExpr::Constant(Value::String(Some(Box::new(v.to_string())))), | ||
| None => SimpleExpr::Constant(Value::String(None)), | ||
| }, | ||
| ScalarValue::Binary(v) => match v { | ||
| Some(v) => SimpleExpr::Constant(Value::Bytes(Some(Box::new(v.to_vec())))), | ||
| None => SimpleExpr::Constant(Value::Bytes(None)), | ||
| }, | ||
| ScalarValue::FixedSizeBinary(_, v) => match v { | ||
| Some(v) => SimpleExpr::Constant(Value::Bytes(Some(Box::new(v.to_vec())))), | ||
| None => SimpleExpr::Constant(Value::Bytes(None)), | ||
| }, | ||
| ScalarValue::LargeBinary(v) => match v { | ||
| Some(v) => SimpleExpr::Constant(Value::Bytes(Some(Box::new(v.to_vec())))), | ||
| None => SimpleExpr::Constant(Value::Bytes(None)), | ||
| }, | ||
| // Extend with other types, e.g. to support arrays, dates, etc. | ||
| _ => SimpleExpr::Constant(Value::Bool(Some(true))) | ||
| } | ||
| } else if let Some(expr) = expr.as_any().downcast_ref::<phys_expr::CaseExpr>() { | ||
| let mut case = CaseStatement::new(); | ||
| for (when, then) in expr.when_then_expr() { | ||
| case = case.case(physical_expr_to_sea_query(when), physical_expr_to_sea_query(then)); | ||
| } | ||
| if let Some(else_exp) = expr.else_expr() { | ||
| case = case.finally(physical_expr_to_sea_query(else_exp)); | ||
| }; | ||
| SimpleExpr::Case(Box::new(case)) | ||
| } else { | ||
| SimpleExpr::Constant(Value::Bool(Some(true))) | ||
| } | ||
| } | ||
|
|
||
| /// Convert a DataFusion Array to a Vec of SeaQuery Values | ||
| pub fn array_to_values(array: ArrayRef) -> Option<Vec<Value>> { | ||
| let values = match array.data_type() { | ||
| DataType::Int8 => { | ||
| let array = array.as_primitive::<datatypes::Int8Type>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::TinyInt(Some(v)), | ||
| None => Value::TinyInt(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::Int16 => { | ||
| let array = array.as_primitive::<datatypes::Int16Type>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::SmallInt(Some(v)), | ||
| None => Value::SmallInt(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::Int32 => { | ||
| let array = array.as_primitive::<datatypes::Int32Type>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::Int(Some(v)), | ||
| None => Value::Int(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::Int64 => { | ||
| let array = array.as_primitive::<datatypes::Int64Type>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::BigInt(Some(v)), | ||
| None => Value::BigInt(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::UInt8 => { | ||
| let array = array.as_primitive::<datatypes::UInt8Type>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::TinyUnsigned(Some(v)), | ||
| None => Value::TinyUnsigned(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::UInt16 => { | ||
| let array = array.as_primitive::<datatypes::UInt16Type>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::SmallUnsigned(Some(v)), | ||
| None => Value::SmallUnsigned(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::UInt32 => { | ||
| let array = array.as_primitive::<datatypes::UInt32Type>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::Unsigned(Some(v)), | ||
| None => Value::Unsigned(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::UInt64 => { | ||
| let array = array.as_primitive::<datatypes::UInt64Type>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::BigUnsigned(Some(v)), | ||
| None => Value::BigUnsigned(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::Float32 => { | ||
| let array = array.as_primitive::<datatypes::Float32Type>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::Float(Some(v)), | ||
| None => Value::Float(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::Float64 => { | ||
| let array = array.as_primitive::<datatypes::Float64Type>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::Double(Some(v)), | ||
| None => Value::Double(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::Utf8 => { | ||
| let array = array.as_string::<i32>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::String(Some(Box::new(v.to_string()))), | ||
| None => Value::String(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::LargeUtf8 => { | ||
| let array = array.as_string::<i64>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::String(Some(Box::new(v.to_string()))), | ||
| None => Value::String(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::Binary => { | ||
| let array = array.as_binary::<i32>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::Bytes(Some(Box::new(v.to_vec()))), | ||
| None => Value::Bytes(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::FixedSizeBinary(_) => { | ||
| let array = array.as_fixed_size_binary(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::Bytes(Some(Box::new(v.to_vec()))), | ||
| None => Value::Bytes(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| DataType::LargeBinary => { | ||
| let array = array.as_binary::<i64>(); | ||
| array.iter().map(|v| { | ||
| match v { | ||
| Some(v) => Value::Bytes(Some(Box::new(v.to_vec()))), | ||
| None => Value::Bytes(None) | ||
| } | ||
| }).collect() | ||
| } | ||
| // Extend with other types, e.g. to support arrays, dates, etc. | ||
| _ => return None, | ||
| }; | ||
| Some(values) | ||
| } |
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