Fixed clippy warnings

Author: ankane

src/diesel_ext/bit.rs

@@ -30,8 +30,7 @@ impl FromSql<BitType, Pg> for Bit {
 #[cfg(test)]
 mod tests {
     use crate::{Bit, VectorExpressionMethods};
-    use diesel::pg::PgConnection;
-    use diesel::{Connection, QueryDsl, RunQueryDsl};
+    use diesel::prelude::*;
 
     table! {
         use diesel::sql_types::*;

src/diesel_ext/halfvec.rs

@@ -35,8 +35,7 @@ impl FromSql<HalfVectorType, Pg> for HalfVector {
 #[cfg(test)]
 mod tests {
     use crate::{HalfVector, VectorExpressionMethods};
-    use diesel::pg::PgConnection;
-    use diesel::{Connection, QueryDsl, RunQueryDsl};
+    use diesel::prelude::*;
     use half::f16;
 
     table! {

src/diesel_ext/sparsevec.rs

@@ -16,7 +16,7 @@ impl ToSql<SparseVectorType, Pg> for SparseVector {
     fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> serialize::Result {
         let dim = self.dim;
         let nnz = self.indices.len();
-        out.write_all(&i32::try_from(dim)?.to_be_bytes())?;
+        out.write_all(&dim.to_be_bytes())?;
         out.write_all(&i32::try_from(nnz)?.to_be_bytes())?;
         out.write_all(&0_i32.to_be_bytes())?;
 
@@ -41,8 +41,7 @@ impl FromSql<SparseVectorType, Pg> for SparseVector {
 #[cfg(test)]
 mod tests {
     use crate::{SparseVector, VectorExpressionMethods};
-    use diesel::pg::PgConnection;
-    use diesel::{Connection, QueryDsl, RunQueryDsl};
+    use diesel::prelude::*;
 
     table! {
         use diesel::sql_types::*;

src/diesel_ext/vector.rs

@@ -35,8 +35,7 @@ impl FromSql<VectorType, Pg> for Vector {
 #[cfg(test)]
 mod tests {
     use crate::{Vector, VectorExpressionMethods};
-    use diesel::pg::PgConnection;
-    use diesel::{Connection, QueryDsl, RunQueryDsl};
+    use diesel::prelude::*;
 
     table! {
         use diesel::sql_types::*;

src/lib.rs

@@ -1,9 +1,5 @@
 #![doc = include_str!("../README.md")]
 
-#[cfg(feature = "diesel")]
-#[macro_use]
-extern crate diesel;
-
 mod bit;
 mod sparsevec;
 mod vector;

src/postgres_ext/sparsevec.rs

@@ -19,7 +19,7 @@ impl ToSql for SparseVector {
     fn to_sql(&self, _ty: &Type, w: &mut BytesMut) -> Result<IsNull, Box<dyn Error + Sync + Send>> {
         let dim = self.dim;
         let nnz = self.indices.len();
-        w.put_i32(dim.try_into()?);
+        w.put_i32(dim);
         w.put_i32(nnz.try_into()?);
         w.put_i32(0);
 

src/sqlx_ext/sparsevec.rs

@@ -16,7 +16,7 @@ impl Encode<'_, Postgres> for SparseVector {
     fn encode_by_ref(&self, buf: &mut PgArgumentBuffer) -> Result<IsNull, BoxDynError> {
         let dim = self.dim;
         let nnz = self.indices.len();
-        buf.extend(&i32::try_from(dim)?.to_be_bytes());
+        buf.extend(dim.to_be_bytes());
         buf.extend(&i32::try_from(nnz)?.to_be_bytes());
         buf.extend(&0_i32.to_be_bytes());