diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index be8fc591e..fef6f2720 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -25,40 +25,13 @@ jobs:
       - uses: actions/cache@v4
         name: nightly toolchain cache
         with:
-          path: |
-            ~/.rustup/toolchains/
+          path: ~/.rustup/toolchains/
           key: ${{ runner.os }}-toolchain-${{ hashFiles('**/rustfmt.toml') }}
       - run: rustup install nightly
       - run: rustup component add rustfmt --toolchain nightly
       - run: just fmt-check
 
 
-  lint:
-    name: Lint (clippy)
-    # emperically runtimes are the same for big/small hosts:
-    runs-on: ubuntu-latest
-    needs: ["build"]
-    steps:
-      - name: checkout
-        uses: actions/checkout@v4
-      - uses: extractions/setup-just@v1
-        with:
-          just-version: "1.23.0"
-      - uses: actions/cache/restore@v4
-        name: toolchain cache
-        with:
-          path: |
-            ~/.rustup/toolchains/
-          key: ${{ runner.os }}-toolchain-${{ hashFiles('**/rust-toolchain.toml') }}
-      - uses: actions/cache/restore@v4
-        name: cargo cache
-        with:
-          path: |
-            ~/.cargo/
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-      - run: just clippy
-
-
   build:
     name: Build
     runs-on: ubuntu-latest-8-cores
@@ -72,23 +45,24 @@ jobs:
       - uses: actions/cache@v4
         name: toolchain cache
         with:
-          path: |
-            ~/.rustup/toolchains/
+          path: ~/.rustup/toolchains/
           key: ${{ runner.os }}-toolchain-${{ hashFiles('**/rust-toolchain.toml') }}
       - uses: actions/cache@v4
         name: cargo cache
         with:
-          path: |
-            ~/.cargo/
+          path: ~/.cargo/
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
       - uses: actions/cache@v4
-        name: workspace cache
+        name: build cache
         with:
           path: |
             target/
             !target/**/glaredb
             !target/**/pgprototest
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-cargo-build-${{ github.ref_name }}
+          restore-keys: |
+             ${{ runner.os }}-cargo-glaredb-build-${{ hashFiles('**/Cargo.lock') }}
+             ${{ runner.os }}-cargo-glaredb-build-
       - run: just build
       - run: cargo build --bin pgprototest
       - uses: actions/cache/save@v4
@@ -103,10 +77,66 @@ jobs:
           key: ${{ github.run_id }}
 
 
+  cache:
+    # update a cache that can be used between builds, but do it
+    # outside of the hot path.
+    name: cache helper
+    needs: ["build"]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/cache/restore@v4
+        name: build cache
+        with:
+          path: |
+            target/
+            !target/**/glaredb
+            !target/**/pgprototest
+          key: ${{ runner.os }}-cargo-build-${{ github.ref_name }}
+      - uses: actions/cache/save@v4
+        name: build cache
+        with:
+          path: |
+            target/
+            !target/**/glaredb
+            !target/**/pgprototest
+          key: ${{ runner.os }}-cargo-glaredb-build-${{ hashFiles('**/Cargo.lock') }}
+
+  lint:
+    name: Lint (clippy)
+    # emperically runtimes are the same for big/small hosts:
+    runs-on: ubuntu-latest
+    needs: ["build"]
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+      - uses: extractions/setup-just@v1
+        with:
+          just-version: "1.23.0"
+      - uses: actions/cache/restore@v4
+        name: toolchain cache
+        with:
+          path: ~/.rustup/toolchains/
+          key: ${{ runner.os }}-toolchain-${{ hashFiles('**/rust-toolchain.toml') }}
+      - uses: actions/cache/restore@v4
+        name: cargo cache
+        with:
+          path: ~/.cargo/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      - uses: actions/cache/restore@v4
+        name: build cache
+        with:
+          path: |
+            target/
+            !target/**/glaredb
+            !target/**/pgprototest
+          key: ${{ runner.os }}-cargo-glaredb-${{ github.ref_name }}
+      - run: just clippy
+
+
   python-binding-tests:
     name: Python Binding Tests
     runs-on: ubuntu-latest-4-cores
-    needs: ["fmt"]
+    needs: ["build"]
     steps:
       - name: checkout
         uses: actions/checkout@v4
@@ -116,23 +146,21 @@ jobs:
       - uses: actions/cache/restore@v4
         name: toolchain cache
         with:
-          path: |
-            ~/.rustup/toolchains/
+          path: ~/.rustup/toolchains/
           key: ${{ runner.os }}-toolchain-${{ hashFiles('**/rust-toolchain.toml') }}
       - uses: actions/cache/restore@v4
         name: cargo cache
         with:
-          path: |
-            ~/.cargo/
+          path: ~/.cargo/
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
       - uses: actions/cache/restore@v4
-        name: workspace cache
+        name: build cache
         with:
           path: |
             target/
             !target/**/glaredb
             !target/**/pgprototest
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-cargo-build-${{ github.ref_name }}
       - run: just python build
       - run: just python test
 
@@ -140,7 +168,7 @@ jobs:
   nodejs-bindings-tests:
     name: Node.js Binding Tests
     runs-on: ubuntu-latest-8-cores
-    needs: ["fmt"]
+    needs: ["build"]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
@@ -155,20 +183,20 @@ jobs:
           path: |
             ~/.rustup/toolchains/
           key: ${{ runner.os }}-toolchain-${{ hashFiles('**/rust-toolchain.toml') }}
-      - uses: actions/cache@v4
+      - uses: actions/cache/restore@v4
         name: cargo cache
         with:
           path: |
             ~/.cargo/
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
       - uses: actions/cache/restore@v4
-        name: workspace cache
+        name: build cache
         with:
           path: |
             target/
             !target/**/glaredb
             !target/**/pgprototest
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-cargo-build-${{ github.ref_name }}
       - run: just js build-debug
       - run: just js test
 
@@ -186,15 +214,21 @@ jobs:
       - uses: actions/cache/restore@v4
         name: toolchain cache
         with:
-          path: |
-            ~/.rustup/toolchains/
+          path: ~/.rustup/toolchains/
           key: ${{ runner.os }}-toolchain-${{ hashFiles('**/rust-toolchain.toml') }}
       - uses: actions/cache/restore@v4
         name: cargo cache
         with:
-          path: |
-            ~/.cargo/
+          path: ~/.cargo/
           key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      - uses: actions/cache/restore@v4
+        name: build cache
+        with:
+          path: |
+            target/
+            !target/**/glaredb
+            !target/**/pgprototest
+          key: ${{ runner.os }}-cargo-build-${{ github.ref_name }}
       - uses: actions/cache/restore@v4
         name: glaredb cache
         with:
@@ -289,9 +323,8 @@ jobs:
       - uses: actions/cache@v4
         name: py cache
         with:
-          path: |
-            tests/.venv/
-          key: ${{ runner.os }}-poetry-${{ hashFiles('**/Cargo.lock') }}
+          path: tests/.venv/
+          key: ${{ runner.os }}-poetry-${{ hashFiles('tests/poetry.lock') }}
       - run: just venv
       - run: just pytest
 
diff --git a/Cargo.lock b/Cargo.lock
index 15714bdf0..915132bc9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -467,7 +467,7 @@ dependencies = [
 
 [[package]]
 name = "arrow_util"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "comfy-table",
  "datafusion",
@@ -1038,7 +1038,7 @@ checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
 [[package]]
 name = "bench_runner"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -1352,7 +1352,7 @@ dependencies = [
 
 [[package]]
 name = "bytesutil"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "bytes",
 ]
@@ -1428,7 +1428,7 @@ dependencies = [
 
 [[package]]
 name = "catalog"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "datafusion",
  "logutil",
@@ -2350,7 +2350,7 @@ dependencies = [
 
 [[package]]
 name = "datafusion_ext"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "async-recursion",
  "async-trait",
@@ -2380,7 +2380,7 @@ dependencies = [
 
 [[package]]
 name = "datasources"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "apache-avro",
  "async-channel",
@@ -2441,7 +2441,7 @@ dependencies = [
 
 [[package]]
 name = "decimal"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "num-traits",
  "regex",
@@ -2694,7 +2694,7 @@ dependencies = [
 
 [[package]]
 name = "distexec"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "async-channel",
  "datafusion",
@@ -3331,7 +3331,7 @@ dependencies = [
 
 [[package]]
 name = "glaredb"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "anyhow",
  "arrow_util",
@@ -3755,7 +3755,7 @@ checksum = "8bb03732005da905c88227371639bf1ad885cc712789c011c31c5fb3ab3ccf02"
 
 [[package]]
 name = "ioutil"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "bytes",
  "home",
@@ -4353,7 +4353,7 @@ checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 
 [[package]]
 name = "logutil"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "chrono",
  "tracing",
@@ -4537,7 +4537,7 @@ dependencies = [
 
 [[package]]
 name = "metastore"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "async-trait",
  "bytes",
@@ -5136,7 +5136,7 @@ dependencies = [
 
 [[package]]
 name = "object_store_util"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "async-trait",
  "bytes",
@@ -5420,7 +5420,7 @@ dependencies = [
 
 [[package]]
 name = "pgprototest"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "anyhow",
  "bytes",
@@ -5434,7 +5434,7 @@ dependencies = [
 
 [[package]]
 name = "pgrepr"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "bytes",
  "chrono",
@@ -5452,7 +5452,7 @@ dependencies = [
 
 [[package]]
 name = "pgsrv"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "async-trait",
  "bytes",
@@ -5834,7 +5834,7 @@ dependencies = [
 
 [[package]]
 name = "protogen"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "datafusion",
  "datafusion-proto",
@@ -5852,7 +5852,7 @@ dependencies = [
 
 [[package]]
 name = "proxyutil"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "async-trait",
  "futures",
@@ -5958,7 +5958,7 @@ dependencies = [
 
 [[package]]
 name = "py-glaredb"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "anyhow",
  "arrow_util",
@@ -6303,7 +6303,7 @@ dependencies = [
 
 [[package]]
 name = "repr"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "chrono",
  "decimal",
@@ -6457,7 +6457,7 @@ dependencies = [
 
 [[package]]
 name = "rpcsrv"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "arrow-flight",
  "async-trait",
@@ -7330,7 +7330,7 @@ dependencies = [
 
 [[package]]
 name = "slt"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "anyhow",
  "arrow-flight",
@@ -7396,7 +7396,7 @@ checksum = "5e9f0ab6ef7eb7353d9119c170a436d1bf248eea575ac42d19d12f4e34130831"
 
 [[package]]
 name = "snowflake_connector"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "base64 0.21.7",
  "bytes",
@@ -7459,7 +7459,7 @@ dependencies = [
 
 [[package]]
 name = "sqlbuiltins"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "async-trait",
  "datafusion",
@@ -7487,7 +7487,7 @@ dependencies = [
 
 [[package]]
 name = "sqlexec"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "arrow_util",
  "async-trait",
@@ -7835,7 +7835,7 @@ checksum = "14c39fd04924ca3a864207c66fc2cd7d22d7c016007f9ce846cbb9326331930a"
 
 [[package]]
 name = "telemetry"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "segment",
  "serde_json",
@@ -7868,7 +7868,7 @@ dependencies = [
 
 [[package]]
 name = "terminal_util"
-version = "0.8.1"
+version = "0.8.2"
 dependencies = [
  "crossterm",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index c9b196bed..1f6d17304 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ default-members = ["crates/*", "xtask"]
 resolver = "2"
 
 [workspace.package]
-version = "0.8.1"
+version = "0.8.2"
 edition = "2021"
 
 [profile.release]
diff --git a/bindings/nodejs/package.json b/bindings/nodejs/package.json
index eed2ac76d..7dfa44445 100644
--- a/bindings/nodejs/package.json
+++ b/bindings/nodejs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@glaredb/glaredb",
-  "version": "0.8.1",
+  "version": "0.8.2",
   "main": "glaredb.js",
   "types": "index.d.ts",
   "repository": {
diff --git a/crates/datasources/src/bson/builder.rs b/crates/datasources/src/bson/builder.rs
index 7df9afd78..fc480d537 100644
--- a/crates/datasources/src/bson/builder.rs
+++ b/crates/datasources/src/bson/builder.rs
@@ -241,11 +241,16 @@ macro_rules! append_scalar {
 fn append_value(val: RawBsonRef, typ: &DataType, col: &mut dyn ArrayBuilder) -> Result<()> {
     // So robust
     match (val, typ) {
+        // null
+        (RawBsonRef::Null, _) => append_null(typ, col)?,
+        (RawBsonRef::Undefined, _) => append_null(typ, col)?,
+
         // Boolean
         (RawBsonRef::Boolean(v), DataType::Boolean) => append_scalar!(BooleanBuilder, col, v),
         (RawBsonRef::Boolean(v), DataType::Utf8) => {
             append_scalar!(StringBuilder, col, v.to_string())
         }
+
         // Double
         (RawBsonRef::Double(v), DataType::Int32) => append_scalar!(Int32Builder, col, v as i32),
         (RawBsonRef::Double(v), DataType::Int64) => append_scalar!(Int64Builder, col, v as i64),
diff --git a/justfile b/justfile
index c59860a09..9203d453b 100644
--- a/justfile
+++ b/justfile
@@ -128,8 +128,9 @@ venv:
 
 
 # Runs pytest in the tests directory.
-pytest *args: 
-	{{VENV_BIN}}/poetry -C tests run pytest --rootdir={{invocation_directory()}}/tests {{ if args == "" {'tests'} else {args} }}
+pytest *args:
+  {{VENV_BIN}}/poetry -C tests lock --no-update
+  {{VENV_BIN}}/poetry -C tests run pytest --rootdir={{invocation_directory()}}/tests {{ if args == "" {'tests'} else {args} }}
 
 # private helpers below
 # ---------------------
diff --git a/scripts/create-test-mongo-db.sh b/scripts/create-test-mongo-db.sh
index 80d104a00..58566122b 100755
--- a/scripts/create-test-mongo-db.sh
+++ b/scripts/create-test-mongo-db.sh
@@ -40,6 +40,11 @@ docker exec $CONTAINER_ID mongoimport \
        "mongodb://localhost:27017/${DB_NAME}" \
        /tmp/bikeshare_stations.csv 1>&2
 
+# insert fixture data for a null handling regression test.
+docker exec $CONTAINER_ID mongosh \
+       "mongodb://localhost:27017/${DB_NAME}" \
+       --eval "db.null_test.insertMany([{a:1},{a:null}])" 1>&2
+
 # The mongod docker container is kinda bad. The MONGO_INITDB_... environment vars
 # might look like the obvious solution, but they don't work as you would expect.
 #
diff --git a/testdata/sqllogictests_mongodb/read.slt b/testdata/sqllogictests_mongodb/read.slt
index ed1fbe5e8..54850b16f 100644
--- a/testdata/sqllogictests_mongodb/read.slt
+++ b/testdata/sqllogictests_mongodb/read.slt
@@ -4,3 +4,14 @@ query I
 SELECT count(*) FROM read_mongodb('${MONGO_CONN_STRING}', 'test', 'bikeshare_stations');
 ----
 102
+
+query I
+SELECT count(*) FROM read_mongodb('${MONGO_CONN_STRING}', 'test', 'null_test');
+----
+2
+
+query I
+SELECT a FROM read_mongodb('${MONGO_CONN_STRING}', 'test', 'null_test');
+----
+1
+NULL
diff --git a/tests/poetry.lock b/tests/poetry.lock
index 78e2082ce..dbb2ea6cb 100644
--- a/tests/poetry.lock
+++ b/tests/poetry.lock
@@ -31,19 +31,6 @@ idna = ["idna (>=2.1)"]
 trio = ["trio (>=0.14)"]
 wmi = ["wmi (>=1.5.1)"]
 
-[[package]]
-name = "glaredb"
-version = "0.8.1"
-description = "GlareDB is a fast SQL database for querying and analyzing distributed data."
-optional = false
-python-versions = ">=3.7"
-files = [
-    {file = "glaredb-0.8.1-cp37-abi3-macosx_10_12_x86_64.whl", hash = "sha256:a8e261e42982cda0bfd4c79ec1dbeba586b5d68b60462999e89a113f84d608d1"},
-    {file = "glaredb-0.8.1-cp37-abi3-macosx_11_0_arm64.whl", hash = "sha256:b0276f91b27346eab3d3e8ba5b68e30ce4d5fc4a466b853418a70f6398825a42"},
-    {file = "glaredb-0.8.1-cp37-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:17f62b1550560917c6fd7f61495500216dbd09280900df2e150f3cbd5c2da79b"},
-    {file = "glaredb-0.8.1-cp37-abi3-win_amd64.whl", hash = "sha256:0f3150b566d9e558d3fac98c773f337a399cf7a7f14cb4b560918aa2238e07f4"},
-]
-
 [[package]]
 name = "iniconfig"
 version = "2.0.0"
@@ -111,73 +98,6 @@ files = [
     {file = "packaging-23.2.tar.gz", hash = "sha256:048fb0e9405036518eaaf48a55953c750c11e1a1b68e0dd1a9d62ed0c092cfc5"},
 ]
 
-[[package]]
-name = "pandas"
-version = "2.1.4"
-description = "Powerful data structures for data analysis, time series, and statistics"
-optional = false
-python-versions = ">=3.9"
-files = [
-    {file = "pandas-2.1.4-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:bdec823dc6ec53f7a6339a0e34c68b144a7a1fd28d80c260534c39c62c5bf8c9"},
-    {file = "pandas-2.1.4-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:294d96cfaf28d688f30c918a765ea2ae2e0e71d3536754f4b6de0ea4a496d034"},
-    {file = "pandas-2.1.4-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:6b728fb8deba8905b319f96447a27033969f3ea1fea09d07d296c9030ab2ed1d"},
-    {file = "pandas-2.1.4-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:00028e6737c594feac3c2df15636d73ace46b8314d236100b57ed7e4b9ebe8d9"},
-    {file = "pandas-2.1.4-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:426dc0f1b187523c4db06f96fb5c8d1a845e259c99bda74f7de97bd8a3bb3139"},
-    {file = "pandas-2.1.4-cp310-cp310-win_amd64.whl", hash = "sha256:f237e6ca6421265643608813ce9793610ad09b40154a3344a088159590469e46"},
-    {file = "pandas-2.1.4-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:b7d852d16c270e4331f6f59b3e9aa23f935f5c4b0ed2d0bc77637a8890a5d092"},
-    {file = "pandas-2.1.4-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:bd7d5f2f54f78164b3d7a40f33bf79a74cdee72c31affec86bfcabe7e0789821"},
-    {file = "pandas-2.1.4-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:0aa6e92e639da0d6e2017d9ccff563222f4eb31e4b2c3cf32a2a392fc3103c0d"},
-    {file = "pandas-2.1.4-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:d797591b6846b9db79e65dc2d0d48e61f7db8d10b2a9480b4e3faaddc421a171"},
-    {file = "pandas-2.1.4-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:d2d3e7b00f703aea3945995ee63375c61b2e6aa5aa7871c5d622870e5e137623"},
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-    {file = "pandas-2.1.4-cp39-cp39-win_amd64.whl", hash = "sha256:d65148b14788b3758daf57bf42725caa536575da2b64df9964c563b015230984"},
-    {file = "pandas-2.1.4.tar.gz", hash = "sha256:fcb68203c833cc735321512e13861358079a96c174a61f5116a1de89c58c0ef7"},
-]
-
-[package.dependencies]
-numpy = [
-    {version = ">=1.23.2,<2", markers = "python_version == \"3.11\""},
-    {version = ">=1.26.0,<2", markers = "python_version >= \"3.12\""},
-]
-python-dateutil = ">=2.8.2"
-pytz = ">=2020.1"
-tzdata = ">=2022.1"
-
-[package.extras]
-all = ["PyQt5 (>=5.15.6)", "SQLAlchemy (>=1.4.36)", "beautifulsoup4 (>=4.11.1)", "bottleneck (>=1.3.4)", "dataframe-api-compat (>=0.1.7)", "fastparquet (>=0.8.1)", "fsspec (>=2022.05.0)", "gcsfs (>=2022.05.0)", "html5lib (>=1.1)", "hypothesis (>=6.46.1)", "jinja2 (>=3.1.2)", "lxml (>=4.8.0)", "matplotlib (>=3.6.1)", "numba (>=0.55.2)", "numexpr (>=2.8.0)", "odfpy (>=1.4.1)", "openpyxl (>=3.0.10)", "pandas-gbq (>=0.17.5)", "psycopg2 (>=2.9.3)", "pyarrow (>=7.0.0)", "pymysql (>=1.0.2)", "pyreadstat (>=1.1.5)", "pytest (>=7.3.2)", "pytest-xdist (>=2.2.0)", "pyxlsb (>=1.0.9)", "qtpy (>=2.2.0)", "s3fs (>=2022.05.0)", "scipy (>=1.8.1)", "tables (>=3.7.0)", "tabulate (>=0.8.10)", "xarray (>=2022.03.0)", "xlrd (>=2.0.1)", "xlsxwriter (>=3.0.3)", "zstandard (>=0.17.0)"]
-aws = ["s3fs (>=2022.05.0)"]
-clipboard = ["PyQt5 (>=5.15.6)", "qtpy (>=2.2.0)"]
-compression = ["zstandard (>=0.17.0)"]
-computation = ["scipy (>=1.8.1)", "xarray (>=2022.03.0)"]
-consortium-standard = ["dataframe-api-compat (>=0.1.7)"]
-excel = ["odfpy (>=1.4.1)", "openpyxl (>=3.0.10)", "pyxlsb (>=1.0.9)", "xlrd (>=2.0.1)", "xlsxwriter (>=3.0.3)"]
-feather = ["pyarrow (>=7.0.0)"]
-fss = ["fsspec (>=2022.05.0)"]
-gcp = ["gcsfs (>=2022.05.0)", "pandas-gbq (>=0.17.5)"]
-hdf5 = ["tables (>=3.7.0)"]
-html = ["beautifulsoup4 (>=4.11.1)", "html5lib (>=1.1)", "lxml (>=4.8.0)"]
-mysql = ["SQLAlchemy (>=1.4.36)", "pymysql (>=1.0.2)"]
-output-formatting = ["jinja2 (>=3.1.2)", "tabulate (>=0.8.10)"]
-parquet = ["pyarrow (>=7.0.0)"]
-performance = ["bottleneck (>=1.3.4)", "numba (>=0.55.2)", "numexpr (>=2.8.0)"]
-plot = ["matplotlib (>=3.6.1)"]
-postgresql = ["SQLAlchemy (>=1.4.36)", "psycopg2 (>=2.9.3)"]
-spss = ["pyreadstat (>=1.1.5)"]
-sql-other = ["SQLAlchemy (>=1.4.36)"]
-test = ["hypothesis (>=6.46.1)", "pytest (>=7.3.2)", "pytest-xdist (>=2.2.0)"]
-xml = ["lxml (>=4.8.0)"]
-
 [[package]]
 name = "pluggy"
 version = "1.4.0"
@@ -193,43 +113,6 @@ files = [
 dev = ["pre-commit", "tox"]
 testing = ["pytest", "pytest-benchmark"]
 
-[[package]]
-name = "polars"
-version = "0.20.5"
-description = "Blazingly fast DataFrame library"
-optional = false
-python-versions = ">=3.8"
-files = [
-    {file = "polars-0.20.5-cp38-abi3-macosx_10_12_x86_64.whl", hash = "sha256:19693d0815e7be757b2320a5ed988a209f9a505562ed937084b0c7d59109f6b7"},
-    {file = "polars-0.20.5-cp38-abi3-macosx_11_0_arm64.whl", hash = "sha256:6b8674a18b4915207ae46855e72b188391e341e519a72f24b9591ce5164b837d"},
-    {file = "polars-0.20.5-cp38-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:aa5d8139020688b0a8f4cdf765df17fe9fa4c8defac6361412bd4bc80a12433c"},
-    {file = "polars-0.20.5-cp38-abi3-manylinux_2_24_aarch64.whl", hash = "sha256:d9d069bb4e0cad8efbd7e6211d68e65698d50e77e72490565e52ff035236c08e"},
-    {file = "polars-0.20.5-cp38-abi3-win_amd64.whl", hash = "sha256:4d614503f963cd5a8cea3240e7fd9f56b6e574d00ef80091e8689bb6defaf880"},
-    {file = "polars-0.20.5.tar.gz", hash = "sha256:fa4abc22cee024b5872961ddcd8a13a0a76150df345e21ce4308c2b1a36b47aa"},
-]
-
-[package.extras]
-adbc = ["adbc_driver_sqlite"]
-all = ["polars[adbc,cloudpickle,connectorx,deltalake,fsspec,gevent,numpy,pandas,plot,pyarrow,pydantic,pyiceberg,sqlalchemy,timezone,xlsx2csv,xlsxwriter]"]
-cloudpickle = ["cloudpickle"]
-connectorx = ["connectorx (>=0.3.2)"]
-deltalake = ["deltalake (>=0.14.0)"]
-fsspec = ["fsspec"]
-gevent = ["gevent"]
-matplotlib = ["matplotlib"]
-numpy = ["numpy (>=1.16.0)"]
-openpyxl = ["openpyxl (>=3.0.0)"]
-pandas = ["pandas", "pyarrow (>=7.0.0)"]
-plot = ["hvplot (>=0.9.1)"]
-pyarrow = ["pyarrow (>=7.0.0)"]
-pydantic = ["pydantic"]
-pyiceberg = ["pyiceberg (>=0.5.0)"]
-pyxlsb = ["pyxlsb (>=1.0)"]
-sqlalchemy = ["pandas", "sqlalchemy"]
-timezone = ["backports.zoneinfo", "tzdata"]
-xlsx2csv = ["xlsx2csv (>=0.8.0)"]
-xlsxwriter = ["xlsxwriter"]
-
 [[package]]
 name = "psycopg2"
 version = "2.9.9"
@@ -446,31 +329,6 @@ pluggy = ">=0.12,<2.0"
 [package.extras]
 testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.7.2)", "requests", "setuptools", "xmlschema"]
 
-[[package]]
-name = "python-dateutil"
-version = "2.8.2"
-description = "Extensions to the standard Python datetime module"
-optional = false
-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,>=2.7"
-files = [
-    {file = "python-dateutil-2.8.2.tar.gz", hash = "sha256:0123cacc1627ae19ddf3c27a5de5bd67ee4586fbdd6440d9748f8abb483d3e86"},
-    {file = "python_dateutil-2.8.2-py2.py3-none-any.whl", hash = "sha256:961d03dc3453ebbc59dbdea9e4e11c5651520a876d0f4db161e8674aae935da9"},
-]
-
-[package.dependencies]
-six = ">=1.5"
-
-[[package]]
-name = "pytz"
-version = "2023.3.post1"
-description = "World timezone definitions, modern and historical"
-optional = false
-python-versions = "*"
-files = [
-    {file = "pytz-2023.3.post1-py2.py3-none-any.whl", hash = "sha256:ce42d816b81b68506614c11e8937d3aa9e41007ceb50bfdcb0749b921bf646c7"},
-    {file = "pytz-2023.3.post1.tar.gz", hash = "sha256:7b4fddbeb94a1eba4b557da24f19fdf9db575192544270a9101d8509f9f43d7b"},
-]
-
 [[package]]
 name = "ruff"
 version = "0.1.14"
@@ -497,29 +355,7 @@ files = [
     {file = "ruff-0.1.14.tar.gz", hash = "sha256:ad3f8088b2dfd884820289a06ab718cde7d38b94972212cc4ba90d5fbc9955f3"},
 ]
 
-[[package]]
-name = "six"
-version = "1.16.0"
-description = "Python 2 and 3 compatibility utilities"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
-files = [
-    {file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
-    {file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"},
-]
-
-[[package]]
-name = "tzdata"
-version = "2023.4"
-description = "Provider of IANA time zone data"
-optional = false
-python-versions = ">=2"
-files = [
-    {file = "tzdata-2023.4-py2.py3-none-any.whl", hash = "sha256:aa3ace4329eeacda5b7beb7ea08ece826c28d761cda36e747cfbf97996d39bf3"},
-    {file = "tzdata-2023.4.tar.gz", hash = "sha256:dd54c94f294765522c77399649b4fefd95522479a664a0cec87f41bebc6148c9"},
-]
-
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "2ecc6daced23d4f2082829ee33950ee25a36058f791f305c2de8bce9f9ae1ee1"
+content-hash = "9f0cb4f7c1b85bf9bb3fe4be27f89f8ca0bf4b5cd7bd8668fc3148fa190ffcbd"
diff --git a/tests/tests/test_bson.py b/tests/tests/test_bson.py
index f77b0f9dc..2eeed4d8d 100644
--- a/tests/tests/test_bson.py
+++ b/tests/tests/test_bson.py
@@ -84,3 +84,22 @@ def test_read_bson(
                 assert len(row) == 5
                 assert row["beatle_name"] in beatles
                 assert beatles.index(row["beatle_name"]) == row["beatle_idx"] - 1
+
+def test_null_handling(
+    glaredb_connection: psycopg2.extensions.connection,
+    tmp_path_factory: pytest.TempPathFactory,
+):
+    tmp_dir = tmp_path_factory.mktemp(basename="null_handling", numbered=True)
+    data_path = tmp_dir.joinpath("mixed.bson")
+    
+    with open(data_path, "wb") as f:
+        for i in range(100):
+            f.write(bson.encode({"a": 1}))
+            
+        for i in range(10):
+            f.write(bson.encode({"a": None}))
+
+    with glaredb_connection.cursor() as curr:
+        curr.execute(f"select count(*) from '{data_path}'")
+        r = curr.fetchone()
+        assert r[0] == 110