diff --git a/packages/cipherstash-proxy-integration/src/map_params.rs b/packages/cipherstash-proxy-integration/src/map_params.rs
index 5fbbf11..864873b 100644
--- a/packages/cipherstash-proxy-integration/src/map_params.rs
+++ b/packages/cipherstash-proxy-integration/src/map_params.rs
@@ -1,7 +1,7 @@
 #[cfg(test)]
 mod tests {
     use crate::common::{connect_with_tls, id, reset_schema, trace, PROXY};
-    use chrono::NaiveDate;
+    use chrono::prelude::*;
 
     #[tokio::test]
     async fn map_text() {
@@ -130,6 +130,32 @@ mod tests {
         }
     }
 
+    #[tokio::test]
+    async fn map_int8_as_biguint() {
+        trace();
+
+        let client = connect_with_tls(PROXY).await;
+
+        let id = id();
+        let encrypted_int8: i64 = 42;
+
+        let sql = "INSERT INTO encrypted (id, encrypted_int8_as_biguint) VALUES ($1, $2)";
+        client.query(sql, &[&id, &encrypted_int8]).await.unwrap();
+
+        let sql = "SELECT id, encrypted_int8_as_biguint FROM encrypted WHERE id = $1";
+        let rows = client.query(sql, &[&id]).await.unwrap();
+
+        assert_eq!(rows.len(), 1);
+
+        for row in rows {
+            let result_id: i64 = row.get("id");
+            let result_int: i64 = row.get("encrypted_int8_as_biguint");
+
+            assert_eq!(id, result_id);
+            assert_eq!(encrypted_int8, result_int);
+        }
+    }
+
     #[tokio::test]
     async fn map_float8() {
         trace();
@@ -182,6 +208,66 @@ mod tests {
         }
     }
 
+    #[tokio::test]
+    async fn map_timestamp() {
+        trace();
+
+        let client = connect_with_tls(PROXY).await;
+
+        let id = id();
+        let encrypted_timestamp = "2000-10-01T17:30:00Z".parse::<DateTime<Utc>>().unwrap();
+
+        let sql = "INSERT INTO encrypted (id, encrypted_timestamp) VALUES ($1, $2)";
+        client
+            .query(sql, &[&id, &encrypted_timestamp])
+            .await
+            .unwrap();
+
+        let sql = "SELECT id, encrypted_timestamp FROM encrypted WHERE id = $1";
+        let rows = client.query(sql, &[&id]).await.unwrap();
+
+        assert_eq!(rows.len(), 1);
+
+        for row in rows {
+            let result_id: i64 = row.get("id");
+            let result: DateTime<Utc> = row.get("encrypted_timestamp");
+
+            assert_eq!(id, result_id);
+            assert_eq!(encrypted_timestamp, result);
+        }
+    }
+
+    #[tokio::test]
+    async fn map_timestamp_with_tz() {
+        trace();
+
+        use chrono_tz::Australia::Sydney;
+
+        let client = connect_with_tls(PROXY).await;
+
+        let id = id();
+        let encrypted_timestamp = "2000-10-01T17:30:00Z".parse::<DateTime<Utc>>().unwrap();
+
+        let sql = "INSERT INTO encrypted (id, encrypted_timestamp) VALUES ($1, $2)";
+        client
+            .query(sql, &[&id, &encrypted_timestamp])
+            .await
+            .unwrap();
+
+        let sql = "SELECT id, encrypted_timestamp FROM encrypted WHERE id = $1";
+        let rows = client.query(sql, &[&id]).await.unwrap();
+
+        assert_eq!(rows.len(), 1);
+
+        for row in rows {
+            let result_id: i64 = row.get("id");
+            let result: DateTime<Utc> = row.get("encrypted_timestamp");
+
+            assert_eq!(id, result_id);
+            assert_eq!(encrypted_timestamp, result);
+        }
+    }
+
     #[tokio::test]
     async fn map_jsonb() {
         trace();
diff --git a/packages/cipherstash-proxy/src/encrypt/config/encrypt_config.rs b/packages/cipherstash-proxy/src/encrypt/config/encrypt_config.rs
index 730e678..d5bfbcc 100644
--- a/packages/cipherstash-proxy/src/encrypt/config/encrypt_config.rs
+++ b/packages/cipherstash-proxy/src/encrypt/config/encrypt_config.rs
@@ -56,10 +56,13 @@ pub enum CastAs {
     BigInt,
     Boolean,
     Date,
+    Timestamp,
     Real,
     Double,
     Int,
     SmallInt,
+    #[serde(rename = "big_uint")]
+    BigUInt,
     #[default]
     Text,
     #[serde(rename = "jsonb")]
@@ -126,8 +129,10 @@ impl From<CastAs> for ColumnType {
             CastAs::Int => ColumnType::Int,
             CastAs::Boolean => ColumnType::Boolean,
             CastAs::Date => ColumnType::Date,
+            CastAs::Timestamp => ColumnType::Timestamp,
             CastAs::Real | CastAs::Double => ColumnType::Float,
             CastAs::Text => ColumnType::Utf8Str,
+            CastAs::BigUInt => ColumnType::BigUInt,
             CastAs::JsonB => ColumnType::JsonB,
         }
     }
diff --git a/packages/cipherstash-proxy/src/postgresql/data/from_sql.rs b/packages/cipherstash-proxy/src/postgresql/data/from_sql.rs
index 7850741..464c743 100644
--- a/packages/cipherstash-proxy/src/postgresql/data/from_sql.rs
+++ b/packages/cipherstash-proxy/src/postgresql/data/from_sql.rs
@@ -5,7 +5,7 @@ use crate::{
 };
 use bigdecimal::BigDecimal;
 use bytes::BytesMut;
-use chrono::NaiveDate;
+use chrono::{DateTime, NaiveDate, Utc};
 use cipherstash_client::{encryption::Plaintext, schema::ColumnType};
 use postgres_types::FromSql;
 use postgres_types::Type;
@@ -153,9 +153,10 @@ fn text_from_sql(
             .map_err(|_| MappingError::CouldNotParseParameter)
             .map(Plaintext::new),
 
-        (&Type::TIMESTAMPTZ, _) => {
-            unimplemented!("TIMESTAMPTZ")
-        }
+        (&Type::TIMESTAMP | &Type::TIMESTAMPTZ, ColumnType::Timestamp) => val
+            .parse::<DateTime<Utc>>()
+            .map_err(|_| MappingError::CouldNotParseParameter)
+            .map(Plaintext::new),
         (&Type::TEXT | &Type::JSONB, ColumnType::JsonB) => {
             serde_json::from_str::<serde_json::Value>(val)
                 .map_err(|_| MappingError::CouldNotParseParameter)
@@ -237,8 +238,9 @@ fn binary_from_sql(
         (&Type::TEXT, _) => parse_bytes_from_sql::<String>(bytes, pg_type)
             .and_then(|val| text_from_sql(&val, pg_type, col_type)),
 
-        // TODO: timestamps
-        (_, ColumnType::Timestamp) => unimplemented!("TIMESTAMPTZ"),
+        (&Type::TIMESTAMP | &Type::TIMESTAMPTZ, ColumnType::Timestamp) => {
+            parse_bytes_from_sql::<DateTime<Utc>>(bytes, pg_type).map(Plaintext::new)
+        }
 
         // Unsupported
         (ty, _) => Err(MappingError::UnsupportedParameterType {
diff --git a/packages/cipherstash-proxy/src/postgresql/data/to_sql.rs b/packages/cipherstash-proxy/src/postgresql/data/to_sql.rs
index 6bc57d7..c51d16d 100644
--- a/packages/cipherstash-proxy/src/postgresql/data/to_sql.rs
+++ b/packages/cipherstash-proxy/src/postgresql/data/to_sql.rs
@@ -1,9 +1,11 @@
 use crate::error::EncryptError;
 use crate::{error::Error, postgresql::format_code::FormatCode};
+use bigdecimal::FromPrimitive;
 use bytes::BytesMut;
 use cipherstash_client::encryption::Plaintext;
 use postgres_types::ToSql;
 use postgres_types::Type;
+use rust_decimal::Decimal;
 
 pub fn to_sql(plaintext: &Plaintext, format_code: &FormatCode) -> Result<Option<BytesMut>, Error> {
     let bytes = match format_code {
@@ -47,8 +49,10 @@ fn binary_to_sql(plaintext: &Plaintext) -> Result<BytesMut, Error> {
         Plaintext::Utf8Str(x) => x.to_sql_checked(&Type::TEXT, &mut bytes),
         Plaintext::JsonB(x) => x.to_sql_checked(&Type::JSONB, &mut bytes),
         Plaintext::Decimal(x) => x.to_sql_checked(&Type::NUMERIC, &mut bytes),
-        // TODO: Implement these
-        Plaintext::BigUInt(_x) => unimplemented!(),
+        Plaintext::BigUInt(x) => {
+            let d = x.map(|x| Decimal::from_u64(x)).flatten();
+            d.to_sql_checked(&Type::NUMERIC, &mut bytes)
+        }
     };
 
     match result {
diff --git a/tests/sql/schema.sql b/tests/sql/schema.sql
index 57f5e29..d9c2fe8 100644
--- a/tests/sql/schema.sql
+++ b/tests/sql/schema.sql
@@ -18,6 +18,7 @@ CREATE TABLE encrypted (
     encrypted_int2 eql_v1_encrypted,
     encrypted_int4 eql_v1_encrypted,
     encrypted_int8 eql_v1_encrypted,
+    encrypted_int8_as_biguint eql_v1_encrypted,
     encrypted_float8 eql_v1_encrypted,
     encrypted_date eql_v1_encrypted,
     encrypted_jsonb eql_v1_encrypted,
@@ -108,6 +109,12 @@ SELECT eql_v1.add_index(
   'big_int'
 );
 
+SELECT eql_v1.add_index(
+  'encrypted',
+  'encrypted_int8_as_biguint',
+  'unique',
+  'big_uint'
+);
 
 SELECT eql_v1.add_index(
   'encrypted',