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feat(postgres): Added support for PostgreSQL OID type conversion (as u32) #830

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Merged
wangxiaoying merged 1 commit into from
Jul 22, 2025
+10 −3
Merged

feat(postgres): Added support for PostgreSQL OID type conversion (as u32) #830

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1 change: 1 addition & 0 deletions connectorx-python/src/pandas/transports/postgres.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@ macro_rules! impl_postgres_transport {
{ Int2[i16] => I64[i64] | conversion auto }
{ Int4[i32] => I64[i64] | conversion auto }
{ Int8[i64] => I64[i64] | conversion auto }
{ UInt4[u32] => I64[i64] | conversion auto }
{ BoolArray[Vec<Option<bool>>] => BoolArray[Vec<bool>] | conversion option }
{ Int2Array[Vec<Option<i16>>] => I64Array[Vec<i64>] | conversion option }
{ Int4Array[Vec<Option<i32>>] => I64Array[Vec<i64>] | conversion option }
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6 changes: 4 additions & 2 deletions connectorx/src/sources/postgres/mod.rs
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Expand Up @@ -514,6 +514,7 @@ impl_produce!(
i16,
i32,
i64,
u32,
f32,
f64,
Decimal,
Expand Down Expand Up @@ -752,7 +753,7 @@ macro_rules! impl_csv_produce {
};
}

impl_csv_produce!(i8, i16, i32, i64, f32, f64, Uuid, IpInet,);
impl_csv_produce!(i8, i16, i32, i64, u32, f32, f64, Uuid, IpInet,);

macro_rules! impl_csv_vec_produce {
($($t: ty,)+) => {
Expand Down Expand Up @@ -1239,6 +1240,7 @@ impl_produce!(
i16,
i32,
i64,
u32,
f32,
f64,
Decimal,
Expand Down Expand Up @@ -1494,7 +1496,7 @@ macro_rules! impl_simple_produce {
};
}

impl_simple_produce!(i8, i16, i32, i64, f32, f64, Uuid, IpInet,);
impl_simple_produce!(i8, i16, i32, i64, u32, f32, f64, Uuid, IpInet,);

impl<'r> Produce<'r, bool> for PostgresSimpleSourceParser {
type Error = PostgresSourceError;
Expand Down
5 changes: 4 additions & 1 deletion connectorx/src/sources/postgres/typesystem.rs
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Expand Up @@ -17,6 +17,7 @@ pub enum PostgresTypeSystem {
Int2(bool),
Int4(bool),
Int8(bool),
UInt4(bool),
Float4Array(bool),
Float8Array(bool),
NumericArray(bool),
Expand Down Expand Up @@ -54,6 +55,7 @@ impl_typesystem! {
{ Int2 => i16 }
{ Int4 => i32 }
{ Int8 => i64 }
{ UInt4 => u32 }
{ Float4 => f32 }
{ Float8 => f64 }
{ Numeric => Decimal }
Expand Down Expand Up @@ -91,6 +93,7 @@ impl<'a> From<&'a Type> for PostgresTypeSystem {
"int2" => Int2(true),
"int4" => Int4(true),
"int8" => Int8(true),
"oid" => UInt4(true),
"float4" => Float4(true),
"float8" => Float8(true),
"numeric" => Numeric(true),
Expand Down Expand Up @@ -132,7 +135,7 @@ impl<'a> From<&'a Type> for PostgresTypeSystem {

pub struct PostgresTypePairs<'a>(pub &'a Type, pub &'a PostgresTypeSystem);

// Link (postgres::Type, connectorx::PostgresTypes) back to the one defiend by the postgres crate.
// Link (postgres::Type, connectorx::PostgresTypes) back to the one defined by the postgres crate.
impl From<PostgresTypePairs<'_>> for Type {
fn from(ty: PostgresTypePairs) -> Type {
use PostgresTypeSystem::*;
Expand Down
1 change: 1 addition & 0 deletions connectorx/src/transports/postgres_arrow.rs
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Expand Up @@ -52,6 +52,7 @@ macro_rules! impl_postgres_transport {
{ Int2[i16] => Int16[i16] | conversion auto }
{ Int4[i32] => Int32[i32] | conversion auto }
{ Int8[i64] => Int64[i64] | conversion auto }
{ UInt4[u32] => UInt32[u32] | conversion auto }
{ Bool[bool] => Boolean[bool] | conversion auto }
{ Text[&'r str] => LargeUtf8[String] | conversion owned }
{ BpChar[&'r str] => LargeUtf8[String] | conversion none }
Expand Down
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