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feat: improve internal sql interface

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Switches from rusqlite to sqlx to have a fully async based interface
to sqlite.

Co-authored-by: B. Petersen <r10s@b44t.com>
Co-authored-by: Hocuri <hocuri@gmx.de>
Co-authored-by: link2xt <link2xt@testrun.org>
This commit is contained in:
Friedel Ziegelmayer
2021-04-06 16:03:10 +02:00
committed by dignifiedquire
parent 4dedc2d8ce
commit 6bb5721f29
52 changed files with 5505 additions and 4983 deletions
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43
deltachat_derive/src/lib.rs
View File

@@ -1,43 +0,0 @@
#![recursion_limit = "128"]
extern crate proc_macro;
use crate::proc_macro::TokenStream;
use quote::quote;
// For now, assume (not check) that these macroses are applied to enum without
// data. If this assumption is violated, compiler error will point to
// generated code, which is not very user-friendly.
#[proc_macro_derive(ToSql)]
pub fn to_sql_derive(input: TokenStream) -> TokenStream {
let ast: syn::DeriveInput = syn::parse(input).unwrap();
let name = &ast.ident;
let gen = quote! {
impl rusqlite::types::ToSql for #name {
fn to_sql(&self) -> rusqlite::Result<rusqlite::types::ToSqlOutput> {
let num = *self as i64;
let value = rusqlite::types::Value::Integer(num);
let output = rusqlite::types::ToSqlOutput::Owned(value);
std::result::Result::Ok(output)
}
}
};
gen.into()
}
#[proc_macro_derive(FromSql)]
pub fn from_sql_derive(input: TokenStream) -> TokenStream {
let ast: syn::DeriveInput = syn::parse(input).unwrap();
let name = &ast.ident;
let gen = quote! {
impl rusqlite::types::FromSql for #name {
fn column_result(col: rusqlite::types::ValueRef) -> rusqlite::types::FromSqlResult<Self> {
let inner = rusqlite::types::FromSql::column_result(col)?;
Ok(num_traits::FromPrimitive::from_i64(inner).unwrap_or_default())
}
}
};
gen.into()
}