cargo: hide num_bigint v0.3 behind feature flag

Hidden public usages of the `num_bigint::BigInt` (version 0.3) behind
`num-bigint-03` feature flag.

examples/Cargo.toml

@@ -10,7 +10,7 @@ futures = "0.3.6"
 openssl = "0.10.32"
 rustyline = "9"
 rustyline-derive = "0.6"
-scylla = {path = "../scylla", features = ["ssl", "cloud", "chrono", "time"]}
+scylla = {path = "../scylla", features = ["ssl", "cloud", "chrono", "time", "num-bigint-03"]}
 tokio = {version = "1.1.0", features = ["full"]}
 tracing = "0.1.25"
 tracing-subscriber = { version = "0.3.14", features = ["env-filter"] }

scylla-cql/Cargo.toml

@@ -20,7 +20,7 @@ snap = "1.0"
 uuid = "1.0"
 thiserror = "1.0"
 bigdecimal = "0.2.0"
-num-bigint = "0.3"
+num-bigint-03 = { package = "num-bigint", version = "0.3", optional = true }
 chrono = { version = "0.4.27", default-features = false, optional = true }
 lz4_flex = { version = "0.11.1" }
 async-trait = "0.1.57"
@@ -40,4 +40,5 @@ harness = false
 secret = ["secrecy"]
 time = ["dep:time"]
 chrono = ["dep:chrono"]
-full-serialization = ["chrono", "time", "secret"]
+num-bigint-03 = ["dep:num-bigint-03"]
+full-serialization = ["chrono", "time", "secret", "num-bigint-03"]

scylla-cql/src/frame/response/cql_to_rust.rs

@@ -1,7 +1,6 @@
 use super::result::{CqlValue, Row};
 use crate::frame::value::{Counter, CqlDate, CqlDuration, CqlTime, CqlTimestamp, CqlVarint};
 use bigdecimal::BigDecimal;
-use num_bigint::BigInt;
 use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet};
 use std::hash::{BuildHasher, Hash};
 use std::net::IpAddr;
@@ -147,7 +146,8 @@ impl<const N: usize> FromCqlVal<CqlValue> for [u8; N] {
     }
 }
 
-impl FromCqlVal<CqlValue> for BigInt {
+#[cfg(feature = "num-bigint-03")]
+impl FromCqlVal<CqlValue> for num_bigint_03::BigInt {
     fn from_cql(cql_val: CqlValue) -> Result<Self, FromCqlValError> {
         match cql_val {
             CqlValue::Varint(cql_varint) => Ok(cql_varint.into()),
@@ -402,7 +402,6 @@ mod tests {
     use crate::frame::value::{Counter, CqlDate, CqlDuration, CqlTime, CqlTimestamp};
     use crate::macros::FromRow;
     use bigdecimal::BigDecimal;
-    use num_bigint::{BigInt, ToBigInt};
     use std::collections::HashSet;
     use std::net::{IpAddr, Ipv4Addr};
     use std::str::FromStr;
@@ -466,12 +465,15 @@ mod tests {
         assert_eq!(Ok(ip_addr), IpAddr::from_cql(CqlValue::Inet(ip_addr)));
     }
 
+    #[cfg(feature = "num-bigint-03")]
     #[test]
     fn varint_from_cql() {
+        use num_bigint_03::ToBigInt;
+
         let big_int = 0.to_bigint().unwrap();
         assert_eq!(
             Ok(big_int),
-            BigInt::from_cql(CqlValue::Varint(0.to_bigint().unwrap().into()))
+            num_bigint_03::BigInt::from_cql(CqlValue::Varint(0.to_bigint().unwrap().into()))
         );
     }
 

scylla-cql/src/frame/response/result.rs

@@ -671,7 +671,7 @@ pub fn deser_cql_value(typ: &ColumnType, buf: &mut &[u8]) -> StdResult<CqlValue,
         }
         Decimal => {
             let scale = types::read_int(buf)? as i64;
-            let int_value = num_bigint::BigInt::from_signed_bytes_be(buf);
+            let int_value = bigdecimal::num_bigint::BigInt::from_signed_bytes_be(buf);
             let big_decimal: BigDecimal = BigDecimal::from((int_value, scale));
 
             CqlValue::Decimal(big_decimal)
@@ -967,8 +967,6 @@ mod tests {
     use crate as scylla;
     use crate::frame::value::{Counter, CqlDate, CqlDuration, CqlTime, CqlTimestamp};
     use bigdecimal::BigDecimal;
-    use num_bigint::BigInt;
-    use num_bigint::ToBigInt;
     use scylla::frame::response::result::{ColumnType, CqlValue};
     use std::str::FromStr;
     use uuid::Uuid;
@@ -1027,10 +1025,13 @@ mod tests {
         assert_eq!(double_serialize, CqlValue::Double(double));
     }
 
+    #[cfg(feature = "num-bigint-03")]
     #[test]
     fn test_varint() {
+        use num_bigint_03::ToBigInt;
+
         struct Test<'a> {
-            value: BigInt,
+            value: num_bigint_03::BigInt,
             encoding: &'a [u8],
         }
 

scylla-cql/src/frame/value.rs

@@ -2,7 +2,6 @@ use crate::frame::frame_errors::ParseError;
 use crate::frame::types;
 use bigdecimal::BigDecimal;
 use bytes::BufMut;
-use num_bigint::BigInt;
 use std::borrow::Cow;
 use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet};
 use std::convert::TryInto;
@@ -101,15 +100,17 @@ impl CqlVarint {
     }
 }
 
-impl From<BigInt> for CqlVarint {
-    fn from(value: BigInt) -> Self {
+#[cfg(feature = "num-bigint-03")]
+impl From<num_bigint_03::BigInt> for CqlVarint {
+    fn from(value: num_bigint_03::BigInt) -> Self {
         Self(value.to_signed_bytes_be())
     }
 }
 
-impl From<CqlVarint> for BigInt {
+#[cfg(feature = "num-bigint-03")]
+impl From<CqlVarint> for num_bigint_03::BigInt {
     fn from(val: CqlVarint) -> Self {
-        BigInt::from_signed_bytes_be(&val.0)
+        num_bigint_03::BigInt::from_signed_bytes_be(&val.0)
     }
 }
 
@@ -770,7 +771,8 @@ impl Value for CqlVarint {
     }
 }
 
-impl Value for BigInt {
+#[cfg(feature = "num-bigint-03")]
+impl Value for num_bigint_03::BigInt {
     fn serialize(&self, buf: &mut Vec<u8>) -> Result<(), ValueTooBig> {
         let serialized = self.to_signed_bytes_be();
         let serialized_len: i32 = serialized.len().try_into().map_err(|_| ValueTooBig)?;

scylla-cql/src/frame/value_tests.rs

@@ -12,7 +12,6 @@ use super::value::{
 };
 use bigdecimal::BigDecimal;
 use bytes::BufMut;
-use num_bigint::BigInt;
 use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet};
 use std::hash::{BuildHasherDefault, Hasher};
 use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
@@ -98,8 +97,9 @@ fn cql_varint_serialization() {
     }
 }
 
+#[cfg(feature = "num-bigint-03")]
 #[test]
-fn bigint_serialization() {
+fn bigint03_serialization() {
     let cases_from_the_spec: &[(i64, Vec<u8>)] = &[
         (0, vec![0x00]),
         (1, vec![0x01]),
@@ -112,7 +112,7 @@ fn bigint_serialization() {
     ];
 
     for (i, b) in cases_from_the_spec {
-        let x = BigInt::from(*i);
+        let x = num_bigint_03::BigInt::from(*i);
         let b_with_len = (b.len() as i32)
             .to_be_bytes()
             .iter()
@@ -146,7 +146,7 @@ fn bigdecimal_serialization() {
                 .chain(serialized_digits)
                 .cloned()
                 .collect::<Vec<_>>();
-            let digits = BigInt::from(*digits);
+            let digits = bigdecimal::num_bigint::BigInt::from(*digits);
             let x = BigDecimal::new(digits, exponent as i64);
             assert_eq!(serialized(x, ColumnType::Decimal), repr);
         }

scylla-cql/src/types/serialize/value.rs

@@ -7,7 +7,6 @@ use std::net::IpAddr;
 use std::sync::Arc;
 
 use bigdecimal::BigDecimal;
-use num_bigint::BigInt;
 use thiserror::Error;
 use uuid::Uuid;
 
@@ -235,7 +234,8 @@ impl SerializeCql for CqlVarint {
             .map_err(|_| mk_ser_err::<Self>(typ, BuiltinSerializationErrorKind::SizeOverflow))?
     });
 }
-impl SerializeCql for BigInt {
+#[cfg(feature = "num-bigint-03")]
+impl SerializeCql for num_bigint_03::BigInt {
     impl_serialize_via_writer!(|me, typ, writer| {
         exact_type_check!(typ, Varint);
         // TODO: The allocation here can be avoided and we can reimplement
@@ -1507,8 +1507,8 @@ mod tests {
     };
     use crate::types::serialize::{CellWriter, SerializationError};
 
+    use bigdecimal::num_bigint::BigInt;
     use bigdecimal::BigDecimal;
-    use num_bigint::BigInt;
     use scylla_macros::SerializeCql;
 
     use super::{SerializeCql, UdtSerializationErrorKind, UdtTypeCheckErrorKind};

scylla/Cargo.toml

@@ -20,7 +20,8 @@ cloud = ["ssl", "scylla-cql/serde", "dep:serde_yaml", "dep:serde", "dep:url", "d
 secret = ["scylla-cql/secret"]
 chrono = ["scylla-cql/chrono"]
 time = ["scylla-cql/time"]
-full-serialization = ["chrono", "time", "secret"]
+num-bigint-03 = ["scylla-cql/num-bigint-03"]
+full-serialization = ["chrono", "time", "secret", "num-bigint-03"]
 
 [dependencies]
 scylla-macros = { version = "0.3.0", path = "../scylla-macros" }
@@ -37,7 +38,6 @@ rand = "0.8.3"
 thiserror = "1.0"
 itertools = "0.11.0"
 bigdecimal = "0.2.0"
-num-bigint = "0.3"
 tracing = "0.1.36"
 chrono = { version = "0.4.20", default-features = false, features = ["clock"] }
 openssl = { version = "0.10.32", optional = true }
@@ -57,6 +57,7 @@ rand_pcg = "0.3.1"
 socket2 = { version = "0.5.3", features = ["all"] }
 
 [dev-dependencies]
+num-bigint-03 = { package = "num-bigint", version = "0.3" }
 scylla-proxy = { version = "0.0.3", path = "../scylla-proxy" }
 ntest = "0.9.0"
 criterion = "0.4" # Note: v0.5 needs at least rust 1.70.0

scylla/src/transport/cql_types_test.rs

@@ -8,7 +8,6 @@ use crate::transport::session::IntoTypedRows;
 use crate::transport::session::Session;
 use crate::utils::test_utils::unique_keyspace_name;
 use bigdecimal::BigDecimal;
-use num_bigint::BigInt;
 use scylla_cql::frame::value::CqlVarint;
 use scylla_cql::types::serialize::value::SerializeCql;
 use scylla_macros::SerializeCql;
@@ -104,6 +103,7 @@ where
     }
 }
 
+#[cfg(feature = "num-bigint-03")]
 #[tokio::test]
 async fn test_varint() {
     let tests = [
@@ -119,7 +119,7 @@ async fn test_varint() {
         "-123456789012345678901234567890",
     ];
 
-    run_tests::<BigInt>(&tests, "varint").await;
+    run_tests::<num_bigint_03::BigInt>(&tests, "varint").await;
 }
 
 #[tokio::test]