refactor: impl ReferenceSerialization

Cargo.toml

@@ -59,6 +59,7 @@ regex                 = { version = "1" }
 rocksdb               = { version = "0.22.0" }
 rust_decimal          = { version = "1" }
 serde                 = { version = "1", features = ["derive", "rc"] }
+serde_macros          = { path = "serde_macros" }
 siphasher             = { version = "1", features = ["serde"] }
 sqlparser             = { version = "0.34", features = ["serde"] }
 strum_macros          = { version = "0.26.2" }
@@ -83,4 +84,4 @@ pprof = { version = "0.13", features = ["flamegraph", "criterion"] }
 members = [
   "tests/sqllogictest",
   "tests/macros-test"
-]
+, "serde_macros"]

serde_macros/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "serde_macros"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+darling = "0.20"
+proc-macro2 = "1"
+quote = "1"
+syn = "2"
+
+[lib]
+path = "src/lib.rs"
+proc-macro = true

serde_macros/src/lib.rs

@@ -0,0 +1,15 @@
+mod reference_serialization;
+
+use proc_macro::TokenStream;
+use syn::{parse_macro_input, DeriveInput};
+
+#[proc_macro_derive(ReferenceSerialization, attributes(reference_serialization))]
+pub fn reference_serialization(input: TokenStream) -> TokenStream {
+    let ast = parse_macro_input!(input as DeriveInput);
+
+    let result = reference_serialization::handle(ast);
+    match result {
+        Ok(codegen) => codegen.into(),
+        Err(e) => e.to_compile_error().into(),
+    }
+}

serde_macros/src/reference_serialization.rs

@@ -0,0 +1,205 @@
+use darling::ast::Data;
+use darling::{FromDeriveInput, FromField, FromVariant};
+use proc_macro2::{Ident, Span, TokenStream};
+use quote::quote;
+use syn::{
+    AngleBracketedGenericArguments, DeriveInput, Error, GenericArgument, PathArguments, Type,
+    TypePath,
+};
+
+#[derive(Debug, FromDeriveInput)]
+#[darling(attributes(record))]
+struct SerializationOpts {
+    ident: Ident,
+    data: Data<SerializationVariantOpts, SerializationFieldOpt>,
+}
+
+#[derive(Debug, FromVariant)]
+#[darling(attributes(record))]
+struct SerializationVariantOpts {
+    ident: Ident,
+    fields: darling::ast::Fields<SerializationFieldOpt>,
+}
+
+#[derive(Debug, FromField)]
+#[darling(attributes(record))]
+struct SerializationFieldOpt {
+    ident: Option<Ident>,
+    ty: Type,
+}
+
+fn process_type(ty: &Type) -> TokenStream {
+    if let Type::Path(TypePath { path, .. }) = ty {
+        let ident = &path.segments.last().unwrap().ident;
+
+        match ident.to_string().as_str() {
+            "Vec" | "Option" | "Arc" | "Box" | "PhantomData" | "Bound" | "CountMinSketch" => {
+                if let PathArguments::AngleBracketed(AngleBracketedGenericArguments {
+                    args, ..
+                }) = &path.segments.last().unwrap().arguments
+                {
+                    if let Some(GenericArgument::Type(inner_ty)) = args.first() {
+                        let inner_processed = process_type(inner_ty);
+
+                        return quote! {
+                            #ident::<#inner_processed>
+                        };
+                    }
+                }
+            }
+            _ => {}
+        }
+
+        quote! { #ty }
+    } else {
+        quote! { #ty }
+    }
+}
+
+pub(crate) fn handle(ast: DeriveInput) -> Result<TokenStream, Error> {
+    let record_opts: SerializationOpts = SerializationOpts::from_derive_input(&ast)?;
+    let struct_name = &record_opts.ident;
+
+    Ok(match record_opts.data {
+        Data::Struct(data_struct) => {
+            let mut encode_fields: Vec<TokenStream> = Vec::new();
+            let mut decode_fields: Vec<TokenStream> = Vec::new();
+            let mut init_fields: Vec<TokenStream> = Vec::new();
+            let mut is_tuple = false;
+
+            for (i, field_opts) in data_struct.fields.into_iter().enumerate() {
+                is_tuple = is_tuple || field_opts.ident.is_none();
+
+                let field_name = field_opts
+                    .ident
+                    .unwrap_or_else(|| Ident::new(&format!("filed_{}", i), Span::call_site()));
+                let ty = process_type(&field_opts.ty);
+
+                encode_fields.push(quote! {
+                    #field_name.encode(writer, is_direct, reference_tables)?;
+                });
+                decode_fields.push(quote! {
+                    let #field_name = #ty::decode(reader, drive, reference_tables)?;
+                });
+                init_fields.push(quote! {
+                    #field_name,
+                })
+            }
+            let init_stream = if is_tuple {
+                quote! { #struct_name ( #(#init_fields)* ) }
+            } else {
+                quote! { #struct_name { #(#init_fields)* } }
+            };
+
+            quote! {
+                impl crate::serdes::ReferenceSerialization for #struct_name {
+                    fn encode<W: std::io::Write>(
+                        &self,
+                        writer: &mut W,
+                        is_direct: bool,
+                        reference_tables: &mut crate::serdes::ReferenceTables,
+                    ) -> Result<(), crate::errors::DatabaseError> {
+                        let #init_stream = self;
+
+                        #(#encode_fields)*
+
+                        Ok(())
+                    }
+
+                    fn decode<T: crate::storage::Transaction, R: std::io::Read>(
+                        reader: &mut R,
+                        drive: Option<(&T, &crate::storage::TableCache)>,
+                        reference_tables: &crate::serdes::ReferenceTables,
+                    ) -> Result<Self, crate::errors::DatabaseError> {
+                        #(#decode_fields)*
+
+                        Ok(#init_stream)
+                    }
+                }
+            }
+        }
+        Data::Enum(data_enum) => {
+            let mut variant_encode_fields: Vec<TokenStream> = Vec::new();
+            let mut variant_decode_fields: Vec<TokenStream> = Vec::new();
+
+            for (i, variant_opts) in data_enum.into_iter().enumerate() {
+                let i = i as u8;
+                let mut encode_fields: Vec<TokenStream> = Vec::new();
+                let mut decode_fields: Vec<TokenStream> = Vec::new();
+                let mut init_fields: Vec<TokenStream> = Vec::new();
+                let enum_name = variant_opts.ident;
+                let mut is_tuple = false;
+
+                for (i, field_opts) in variant_opts.fields.into_iter().enumerate() {
+                    is_tuple = is_tuple || field_opts.ident.is_none();
+
+                    let field_name = field_opts
+                        .ident
+                        .unwrap_or_else(|| Ident::new(&format!("filed_{}", i), Span::call_site()));
+                    let ty = process_type(&field_opts.ty);
+
+                    encode_fields.push(quote! {
+                        #field_name.encode(writer, is_direct, reference_tables)?;
+                    });
+                    decode_fields.push(quote! {
+                        let #field_name = #ty::decode(reader, drive, reference_tables)?;
+                    });
+                    init_fields.push(quote! {
+                        #field_name,
+                    })
+                }
+
+                let init_stream = if is_tuple {
+                    quote! { #struct_name::#enum_name ( #(#init_fields)* ) }
+                } else {
+                    quote! { #struct_name::#enum_name { #(#init_fields)* } }
+                };
+                variant_encode_fields.push(quote! {
+                    #init_stream => {
+                        std::io::Write::write_all(writer, &[#i])?;
+
+                        #(#encode_fields)*
+                    }
+                });
+                variant_decode_fields.push(quote! {
+                    #i => {
+                        #(#decode_fields)*
+
+                        #init_stream
+                    }
+                });
+            }
+
+            quote! {
+                impl crate::serdes::ReferenceSerialization for #struct_name {
+                    fn encode<W: std::io::Write>(
+                        &self,
+                        writer: &mut W,
+                        is_direct: bool,
+                        reference_tables: &mut crate::serdes::ReferenceTables,
+                    ) -> Result<(), crate::errors::DatabaseError> {
+                        match self {
+                            #(#variant_encode_fields)*
+                        }
+
+                        Ok(())
+                    }
+
+                    fn decode<T: crate::storage::Transaction, R: std::io::Read>(
+                        reader: &mut R,
+                        drive: Option<(&T, &crate::storage::TableCache)>,
+                        reference_tables: &crate::serdes::ReferenceTables,
+                    ) -> Result<Self, crate::errors::DatabaseError> {
+                        let mut type_bytes = [0u8; 1];
+                        std::io::Read::read_exact(reader, &mut type_bytes)?;
+
+                        Ok(match type_bytes[0] {
+                            #(#variant_decode_fields)*
+                            _ => unreachable!(),
+                        })
+                    }
+                }
+            }
+        }
+    })
+}

src/binder/copy.rs

@@ -2,23 +2,45 @@ use std::path::PathBuf;
 use std::str::FromStr;
 use std::sync::Arc;
 
+use super::*;
 use crate::errors::DatabaseError;
 use crate::planner::operator::copy_from_file::CopyFromFileOperator;
 use crate::planner::operator::copy_to_file::CopyToFileOperator;
 use crate::planner::operator::Operator;
 use serde::{Deserialize, Serialize};
+use serde_macros::ReferenceSerialization;
 use sqlparser::ast::{CopyOption, CopySource, CopyTarget};
 
-use super::*;
-
-#[derive(Debug, PartialEq, PartialOrd, Ord, Hash, Eq, Clone, Serialize, Deserialize)]
+#[derive(
+    Debug,
+    PartialEq,
+    PartialOrd,
+    Ord,
+    Hash,
+    Eq,
+    Clone,
+    Serialize,
+    Deserialize,
+    ReferenceSerialization,
+)]
 pub struct ExtSource {
     pub path: PathBuf,
     pub format: FileFormat,
 }
 
 /// File format.
-#[derive(Debug, PartialEq, PartialOrd, Ord, Hash, Eq, Clone, Serialize, Deserialize)]
+#[derive(
+    Debug,
+    PartialEq,
+    PartialOrd,
+    Ord,
+    Hash,
+    Eq,
+    Clone,
+    Serialize,
+    Deserialize,
+    ReferenceSerialization,
+)]
 pub enum FileFormat {
     Csv {
         /// Delimiter to parse.

src/binder/expr.rs

@@ -11,8 +11,8 @@ use std::slice;
 use std::sync::Arc;
 
 use super::{lower_ident, Binder, BinderContext, QueryBindStep, SubQueryType};
-use crate::expression::function::scala::ScalarFunction;
-use crate::expression::function::table::TableFunction;
+use crate::expression::function::scala::{ArcScalarFunctionImpl, ScalarFunction};
+use crate::expression::function::table::{ArcTableFunctionImpl, TableFunction};
 use crate::expression::function::FunctionSummary;
 use crate::expression::{AliasType, ScalarExpression};
 use crate::planner::LogicalPlan;
@@ -235,7 +235,7 @@ impl<'a, 'b, T: Transaction> Binder<'a, 'b, T> {
 
         let alias_expr = ScalarExpression::Alias {
             expr: Box::new(ScalarExpression::ColumnRef(column)),
-            alias: AliasType::Expr(Box::new(ScalarExpression::ColumnRef(Arc::new(
+            alias: AliasType::Expr(Box::new(ScalarExpression::ColumnRef(ColumnRef::from(
                 alias_column,
             )))),
         };
@@ -246,7 +246,7 @@ impl<'a, 'b, T: Transaction> Binder<'a, 'b, T> {
     fn bind_subquery(
         &mut self,
         subquery: &Query,
-    ) -> Result<(LogicalPlan, Arc<ColumnCatalog>), DatabaseError> {
+    ) -> Result<(LogicalPlan, ColumnRef), DatabaseError> {
         let BinderContext {
             table_cache,
             transaction,
@@ -601,13 +601,13 @@ impl<'a, 'b, T: Transaction> Binder<'a, 'b, T> {
         if let Some(function) = self.context.scala_functions.get(&summary) {
             return Ok(ScalarExpression::ScalaFunction(ScalarFunction {
                 args,
-                inner: function.clone(),
+                inner: ArcScalarFunctionImpl(function.clone()),
             }));
         }
         if let Some(function) = self.context.table_functions.get(&summary) {
             return Ok(ScalarExpression::TableFunction(TableFunction {
                 args,
-                inner: function.clone(),
+                inner: ArcTableFunctionImpl(function.clone()),
             }));
         }
 

src/binder/select.rs

@@ -16,7 +16,7 @@ use crate::{
 
 use super::{lower_case_name, lower_ident, Binder, BinderContext, QueryBindStep, SubQueryType};
 
-use crate::catalog::{ColumnCatalog, ColumnSummary, TableName};
+use crate::catalog::{ColumnCatalog, ColumnRef, ColumnSummary, TableName};
 use crate::errors::DatabaseError;
 use crate::execution::dql::join::joins_nullable;
 use crate::expression::{AliasType, BinaryOperator};
@@ -356,7 +356,7 @@ impl<'a: 'b, 'b, T: Transaction> Binder<'a, 'b, T> {
 
             let alias_column_expr = ScalarExpression::Alias {
                 expr: Box::new(ScalarExpression::ColumnRef(column)),
-                alias: AliasType::Expr(Box::new(ScalarExpression::ColumnRef(Arc::new(
+                alias: AliasType::Expr(Box::new(ScalarExpression::ColumnRef(ColumnRef::from(
                     alias_column,
                 )))),
             };
@@ -736,7 +736,7 @@ impl<'a: 'b, 'b, T: Transaction> Binder<'a, 'b, T> {
                         let mut new_col = ColumnCatalog::clone(col);
                         new_col.nullable = *nullable;
 
-                        *col = Arc::new(new_col);
+                        *col = ColumnRef::from(new_col);
                     });
             }
         }