diff --git a/.env b/.env
index 8eebc3afd619..70f4abe8c082 100644
--- a/.env
+++ b/.env
@@ -6,5 +6,3 @@ MYSQL_PWD="ibis"
 MSSQL_SA_PASSWORD="1bis_Testing!"
 DRUID_URL="druid://localhost:8082/druid/v2/sql"
 SPARK_CONFIG=./docker/spark-connect/conf.properties
-AWS_PROFILE="ibis-testing"
-AWS_REGION="us-east-2"
diff --git a/.github/workflows/ibis-backends-cloud.yml b/.github/workflows/ibis-backends-cloud.yml
index 5d88b746e3b3..d0870cd957ed 100644
--- a/.github/workflows/ibis-backends-cloud.yml
+++ b/.github/workflows/ibis-backends-cloud.yml
@@ -36,48 +36,48 @@ jobs:
       matrix:
         python-version:
           - "3.10"
-          - "3.13"
+          # - "3.13"
         backend:
-          - name: snowflake
-            title: Snowflake
-            extras:
-              - --extra snowflake
-          - name: databricks
-            title: Databricks
-            extras:
-              - --extra databricks
+          # - name: snowflake
+          #   title: Snowflake
+          #   extras:
+          #     - --extra snowflake
+          # - name: databricks
+          #   title: Databricks
+          #   extras:
+          #     - --extra databricks
           - name: athena
             title: Amazon Athena
             extras:
               - --extra athena
-        include:
-          - python-version: "3.10"
-            backend:
-              name: bigquery
-              title: BigQuery
-              extras:
-                - --extra bigquery
-          - python-version: "3.13"
-            backend:
-              name: bigquery
-              title: BigQuery
-              extras:
-                - --extra bigquery
-                - --extra geospatial
-          - python-version: "3.10"
-            backend:
-              name: snowflake
-              title: Snowflake + Snowpark
-              key: snowpark
-              extras:
-                - --extra snowflake
-          - python-version: "3.11"
-            backend:
-              name: snowflake
-              title: Snowflake + Snowpark
-              key: snowpark
-              extras:
-                - --extra snowflake
+        # include:
+        #   - python-version: "3.10"
+        #     backend:
+        #       name: bigquery
+        #       title: BigQuery
+        #       extras:
+        #         - --extra bigquery
+        #   - python-version: "3.13"
+        #     backend:
+        #       name: bigquery
+        #       title: BigQuery
+        #       extras:
+        #         - --extra bigquery
+        #         - --extra geospatial
+        #   - python-version: "3.10"
+        #     backend:
+        #       name: snowflake
+        #       title: Snowflake + Snowpark
+        #       key: snowpark
+        #       extras:
+        #         - --extra snowflake
+        #   - python-version: "3.11"
+        #     backend:
+        #       name: snowflake
+        #       title: Snowflake + Snowpark
+        #       key: snowpark
+        #       extras:
+        #         - --extra snowflake
     # this allows extractions/setup-just to list releases for `just` at a higher
     # rate limit while restricting GITHUB_TOKEN permissions elsewhere
     permissions:
diff --git a/.github/workflows/ibis-backends.yml b/.github/workflows/ibis-backends.yml
index 193fd68602ad..272a6c715d2e 100644
--- a/.github/workflows/ibis-backends.yml
+++ b/.github/workflows/ibis-backends.yml
@@ -42,607 +42,607 @@ env:
   HYPOTHESIS_PROFILE: "ci"
 
 jobs:
-  test_bigquery_lite:
-    name: BigQuery ${{ matrix.os }} python-${{ matrix.python-version }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - ubuntu-latest
-          - windows-latest
-        python-version:
-          - "3.10"
-          - "3.13"
-    steps:
-      - name: checkout
-        uses: actions/checkout@v4
-
-      - name: install python
-        uses: actions/setup-python@v5
-        id: install_python
-        with:
-          python-version: ${{ matrix.python-version }}
-
-      - name: install uv
-        uses: astral-sh/setup-uv@v5.1.0
-
-      - uses: extractions/setup-just@v2
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: run simple bigquery unit tests
-        run: just ci-check "--extra bigquery" ibis/backends/bigquery/tests/unit
-
-      - name: upload code coverage
-        if: success()
-        continue-on-error: true
-        uses: codecov/codecov-action@v5
-        with:
-          flags: backend,bigquery,${{ runner.os }},python-${{ steps.install_python.outputs.python-version }}
-          token: ${{ secrets.CODECOV_TOKEN }}
-
-  test_backends:
-    name: ${{ matrix.backend.title }} ${{ matrix.os }} python-${{ matrix.python-version }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - ubuntu-latest
-          - windows-latest
-        python-version:
-          - "3.10"
-          - "3.13"
-        backend:
-          - name: duckdb
-            title: DuckDB
-            serial: true
-            extras:
-              - --extra duckdb
-              - --extra deltalake
-              - --extra geospatial
-              - --extra examples
-              - --extra decompiler
-              - --extra polars
-            additional_deps:
-              - torch
-          - name: clickhouse
-            title: ClickHouse
-            services:
-              - clickhouse
-            extras:
-              - --extra clickhouse
-              - --extra examples
-          - name: sqlite
-            title: SQLite
-            extras:
-              - --extra sqlite
-          - name: datafusion
-            title: DataFusion
-            serial: true
-            extras:
-              - --extra datafusion
-          - name: polars
-            title: Polars
-            extras:
-              - --extra polars
-              - --extra deltalake
-          - name: mysql
-            title: MySQL
-            services:
-              - mysql
-            extras:
-              - --extra mysql
-              - --extra geospatial
-              - --extra polars
-            sys-deps:
-              - libgeos-dev
-              - default-libmysqlclient-dev
-          - name: postgres
-            title: PostgreSQL
-            extras:
-              - --extra postgres
-              - --extra geospatial
-            services:
-              - postgres
-            sys-deps:
-              - libgeos-dev
-          - name: postgres
-            title: PostgreSQL + Torch
-            extras:
-              - --extra postgres
-              - --extra geospatial
-              - --extra polars
-            additional_deps:
-              - torch
-            services:
-              - postgres
-            sys-deps:
-              - libgeos-dev
-          - name: risingwave
-            title: RisingWave
-            serial: true
-            services:
-              - risingwave
-            extras:
-              - --extra risingwave
-          - name: impala
-            title: Impala
-            serial: true
-            extras:
-              - --extra impala
-            services:
-              - impala
-              - kudu
-            sys-deps:
-              - cmake
-              - ninja-build
-          - name: mssql
-            title: MS SQL Server
-            extras:
-              - --extra mssql
-              - --extra polars
-            services:
-              - mssql
-            sys-deps:
-              - freetds-dev
-              - unixodbc-dev
-              - tdsodbc
-          - name: trino
-            title: Trino
-            extras:
-              - --extra trino
-            services:
-              - trino
-          - name: druid
-            title: Druid
-            extras:
-              - --extra druid
-            services:
-              - druid
-          - name: exasol
-            title: Exasol
-            serial: true
-            extras:
-              - --extra exasol
-            services:
-              - exasol
-          - name: oracle
-            title: Oracle
-            serial: true
-            extras:
-              - --extra oracle
-              - --extra polars
-            services:
-              - oracle
-          - name: flink
-            title: Flink
-            serial: true
-            extras:
-              - --extra flink
-            additional_deps:
-              - "'apache-flink==1.20.0'"
-              - "'pandas<2.2'"
-              - setuptools
-            services:
-              - flink
-        include:
-          - os: ubuntu-latest
-            python-version: "3.11"
-            backend:
-              name: flink
-              title: Flink
-              serial: true
-              extras:
-                - --extra flink
-              additional_deps:
-                - "'apache-flink==1.20.0'"
-                - "'pandas<2.2'"
-                - setuptools
-              services:
-                - flink
-          - os: ubuntu-latest
-            python-version: "3.11"
-            backend:
-              name: impala
-              title: Impala
-              serial: true
-              extras:
-                - --extra impala
-              services:
-                - impala
-                - kudu
-              sys-deps:
-                - cmake
-                - ninja-build
-          # pytorch wheel doesn't exist for windows + python 3.13, so test
-          # against 3.12 until that's shipped
-          - os: windows-latest
-            python-version: "3.12"
-            backend:
-              name: duckdb
-              title: DuckDB
-              serial: true
-              extras:
-                - --extra duckdb
-                - --extra deltalake
-                - --extra geospatial
-                - --extra examples
-                - --extra decompiler
-                - --extra polars
-            additional_deps:
-              - torch
-          # also test duckdb with python 3.13 on windows, *without* pytorch
-          - os: windows-latest
-            python-version: "3.13"
-            backend:
-              name: duckdb
-              title: DuckDB
-              serial: true
-              extras:
-                - --extra duckdb
-                - --extra deltalake
-                - --extra geospatial
-                - --extra examples
-                - --extra decompiler
-                - --extra polars
-        exclude:
-          - os: windows-latest
-            python-version: "3.13"
-            backend:
-              name: duckdb
-          - os: windows-latest
-            backend:
-              name: mysql
-              title: MySQL
-              extras:
-                - --extra mysql
-                - --extra geospatial
-                - --extra polars
-              services:
-                - mysql
-              sys-deps:
-                - libgeos-dev
-                - default-libmysqlclient-dev
-          - os: windows-latest
-            backend:
-              name: clickhouse
-              title: ClickHouse
-              extras:
-                - --extra clickhouse
-                - --extra examples
-              services:
-                - clickhouse
-          - os: windows-latest
-            backend:
-              name: postgres
-              title: PostgreSQL
-              extras:
-                - --extra postgres
-                - --extra geospatial
-              services:
-                - postgres
-              sys-deps:
-                - libgeos-dev
-          - os: windows-latest
-            backend:
-              name: risingwave
-              title: RisingWave
-              serial: true
-              services:
-                - risingwave
-              extras:
-                - --extra risingwave
-          - os: windows-latest
-            backend:
-              name: postgres
-              title: PostgreSQL + Torch
-              extras:
-                - --extra postgres
-                - --extra geospatial
-                - --extra polars
-              additional_deps:
-                - torch
-              services:
-                - postgres
-              sys-deps:
-                - libgeos-dev
-          # TODO(deepyaman): Test whether this works upon releasing https://github.com/cloudera/impyla/commit/bf1f94c3c4106ded6267d2485c1e939775a6a87f
-          - os: ubuntu-latest
-            python-version: "3.13"
-            backend:
-              name: impala
-              title: Impala
-              serial: true
-              extras:
-                - --extra impala
-              services:
-                - impala
-                - kudu
-              sys-deps:
-                - cmake
-                - ninja-build
-          - os: windows-latest
-            backend:
-              name: impala
-              title: Impala
-              serial: true
-              extras:
-                - --extra impala
-              services:
-                - impala
-                - kudu
-              sys-deps:
-                - cmake
-                - ninja-build
-          - os: windows-latest
-            backend:
-              name: mssql
-              title: MS SQL Server
-              extras:
-                - --extra mssql
-                - --extra polars
-              services:
-                - mssql
-              sys-deps:
-                - freetds-dev
-                - unixodbc-dev
-                - tdsodbc
-          - os: windows-latest
-            backend:
-              name: trino
-              title: Trino
-              services:
-                - trino
-              extras:
-                - --extra trino
-          - os: windows-latest
-            backend:
-              name: druid
-              title: Druid
-              extras:
-                - --extra druid
-              services:
-                - druid
-          - os: windows-latest
-            backend:
-              name: oracle
-              title: Oracle
-              serial: true
-              extras:
-                - --extra oracle
-                - --extra polars
-              services:
-                - oracle
-          - os: ubuntu-latest
-            python-version: "3.13"
-            backend:
-              name: flink
-              title: Flink
-              serial: true
-              extras:
-                - --extra flink
-              additional_deps:
-                - "'apache-flink==1.20.0'"
-                - "'pandas<2.2'"
-                - setuptools
-              services:
-                - flink
-          - os: windows-latest
-            backend:
-              name: flink
-              title: Flink
-              serial: true
-              extras:
-                - --extra flink
-              additional_deps:
-                - "'apache-flink==1.20.0'"
-                - "'pandas<2.2'"
-                - setuptools
-              services:
-                - flink
-          - os: windows-latest
-            backend:
-              name: exasol
-              title: Exasol
-              serial: true
-              extras:
-                - --extra exasol
-              services:
-                - exasol
-    steps:
-      - name: update and install system dependencies
-        if: matrix.os == 'ubuntu-latest' && matrix.backend.sys-deps != null
-        run: |
-          set -euo pipefail
-
-          sudo apt-get update -qq -y
-          sudo apt-get install -qq -y build-essential ${{ join(matrix.backend.sys-deps, ' ') }}
-
-      - name: install sqlite
-        if: matrix.os == 'windows-latest' && matrix.backend.name == 'sqlite'
-        run: choco install sqlite
-
-      - name: checkout
-        uses: actions/checkout@v4
-
-      - uses: extractions/setup-just@v2
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: download backend data
-        run: just download-data
-
-      - name: start services
-        if: matrix.backend.services != null
-        run: just up ${{ join(matrix.backend.services, ' ') }}
-
-      - name: install python
-        uses: actions/setup-python@v5
-        id: install_python
-        with:
-          python-version: ${{ matrix.python-version }}
-
-      - name: install uv
-        uses: astral-sh/setup-uv@v5.1.0
-
-      - name: install other deps
-        if: matrix.backend.additional_deps != null
-        run: uv add --no-sync --optional ${{ matrix.backend.name }} ${{ join(matrix.backend.additional_deps, ' ') }}
-
-      - name: show installed deps
-        run: uv tree
-
-      - name: "run parallel tests: ${{ matrix.backend.name }}"
-        if: ${{ !matrix.backend.serial }}
-        run: just ci-check "${{ join(matrix.backend.extras, ' ') }} --extra examples" -m ${{ matrix.backend.name }} --numprocesses auto --dist=loadgroup
-        env:
-          IBIS_TEST_IMPALA_HOST: localhost
-          IBIS_TEST_IMPALA_PORT: 21050
-          IBIS_EXAMPLES_DATA: ${{ runner.temp }}/examples-${{ matrix.backend.name }}-${{ matrix.os }}-${{ steps.install_python.outputs.python-version }}
-
-      - name: "run serial tests: ${{ matrix.backend.name }}"
-        if: matrix.backend.serial
-        run: just ci-check "${{ join(matrix.backend.extras, ' ') }} --extra examples" -m ${{ matrix.backend.name }}
-        env:
-          FLINK_REMOTE_CLUSTER_ADDR: localhost
-          FLINK_REMOTE_CLUSTER_PORT: "8081"
-          IBIS_EXAMPLES_DATA: ${{ runner.temp }}/examples-${{ matrix.backend.name }}-${{ matrix.os }}-${{ steps.install_python.outputs.python-version }}
-
-      - name: "run backend doctests: ${{ matrix.backend.name }}"
-        if: matrix.os == 'ubuntu-latest'
-        run: just backend-doctests ${{ matrix.backend.name }}
-        env:
-          FLINK_REMOTE_CLUSTER_ADDR: localhost
-          FLINK_REMOTE_CLUSTER_PORT: "8081"
-          IBIS_EXAMPLES_DATA: ${{ runner.temp }}/examples-${{ matrix.backend.name }}-${{ matrix.os }}-${{ steps.install_python.outputs.python-version }}
-
-      - name: checkout uv.lock and pyproject.toml
-        run: git checkout uv.lock pyproject.toml
-
-      - name: check that no untracked files were produced
-        shell: bash
-        run: |
-          ! git status --porcelain | grep -F .
-
-      - name: upload code coverage
-        if: success()
-        continue-on-error: true
-        uses: codecov/codecov-action@v5
-        with:
-          flags: backend,${{ matrix.backend.name }},${{ runner.os }},python-${{ steps.install_python.outputs.python-version }}
-          token: ${{ secrets.CODECOV_TOKEN }}
-
-      - name: Show docker compose logs on fail
-        if: matrix.backend.services != null && failure()
-        run: docker compose logs
-
-  test_pyspark:
-    name: PySpark ${{ matrix.tag }} ${{ matrix.pyspark-minor-version }} ubuntu-latest python-${{ matrix.python-version }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - python-version: "3.10"
-            pyspark-minor-version: "3.3"
-            tag: local
-            deps:
-              - pyspark==3.3.4
-              - pandas==1.5.3
-              - numpy==1.23.5
-          - python-version: "3.11"
-            pyspark-minor-version: "3.5"
-            tag: local
-            deps:
-              - delta-spark==3.2.1
-          - python-version: "3.13"
-            pyspark-minor-version: "3.5"
-            tag: local
-            deps:
-              - setuptools==75.1.0
-              - delta-spark==3.2.1
-          - python-version: "3.12"
-            pyspark-minor-version: "3.5"
-            SPARK_REMOTE: "sc://localhost:15002"
-            tag: remote
-            deps:
-              - setuptools==75.1.0
-              - delta-spark==3.2.1
-              - googleapis-common-protos
-              - grpcio
-              - grpcio-status
-    steps:
-      - name: checkout
-        uses: actions/checkout@v4
-
-      - uses: actions/setup-java@v4
-        with:
-          distribution: microsoft
-          java-version: 17
-
-      - uses: extractions/setup-just@v2
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: start services
-        if: matrix.tag == 'remote'
-        run: just up spark-connect
-
-      - name: download backend data
-        run: just download-data
-
-      - name: install python
-        uses: actions/setup-python@v5
-        id: install_python
-        with:
-          python-version: ${{ matrix.python-version }}
-
-      - name: install uv
-        uses: astral-sh/setup-uv@v5.1.0
-
-        # it requires a version of pandas that pyspark is not compatible with
-      - name: remove lonboard
-        if: matrix.pyspark-minor-version == '3.3'
-        run: uv remove --group docs --no-sync lonboard
-
-      - name: install pyspark-specific dependencies
-        run: uv add --no-sync ${{ join(matrix.deps, ' ') }}
-
-      - name: install iceberg
-        shell: bash
-        run: just download-iceberg-jar ${{ matrix.pyspark-minor-version }}
-
-      - name: run spark connect tests
-        if: matrix.tag == 'remote'
-        run: just ci-check "--extra pyspark --extra examples" -m pyspark
-        env:
-          SPARK_REMOTE: ${{ matrix.SPARK_REMOTE }}
-
-      - name: run spark tests
-        if: matrix.tag == 'local'
-        run: just ci-check "--extra pyspark --extra examples" -m pyspark
-
-      - name: check that no untracked files were produced
-        shell: bash
-        run: git checkout uv.lock pyproject.toml && ! git status --porcelain | grep -F .
-
-      - name: upload code coverage
-        # only upload coverage for jobs that aren't mostly xfails
-        if: success()
-        continue-on-error: true
-        uses: codecov/codecov-action@v5
-        with:
-          flags: backend,pyspark,${{ runner.os }},python-${{ steps.install_python.outputs.python-version }}
-          token: ${{ secrets.CODECOV_TOKEN }}
+  # test_bigquery_lite:
+  #   name: BigQuery ${{ matrix.os }} python-${{ matrix.python-version }}
+  #   runs-on: ${{ matrix.os }}
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       os:
+  #         - ubuntu-latest
+  #         - windows-latest
+  #       python-version:
+  #         - "3.10"
+  #         - "3.13"
+  #   steps:
+  #     - name: checkout
+  #       uses: actions/checkout@v4
+  #
+  #     - name: install python
+  #       uses: actions/setup-python@v5
+  #       id: install_python
+  #       with:
+  #         python-version: ${{ matrix.python-version }}
+  #
+  #     - name: install uv
+  #       uses: astral-sh/setup-uv@v5.1.0
+  #
+  #     - uses: extractions/setup-just@v2
+  #       env:
+  #         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  #
+  #     - name: run simple bigquery unit tests
+  #       run: just ci-check "--extra bigquery" ibis/backends/bigquery/tests/unit
+  #
+  #     - name: upload code coverage
+  #       if: success()
+  #       continue-on-error: true
+  #       uses: codecov/codecov-action@v5
+  #       with:
+  #         flags: backend,bigquery,${{ runner.os }},python-${{ steps.install_python.outputs.python-version }}
+  #         token: ${{ secrets.CODECOV_TOKEN }}
+  #
+  # test_backends:
+  #   name: ${{ matrix.backend.title }} ${{ matrix.os }} python-${{ matrix.python-version }}
+  #   runs-on: ${{ matrix.os }}
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       os:
+  #         - ubuntu-latest
+  #         - windows-latest
+  #       python-version:
+  #         - "3.10"
+  #         - "3.13"
+  #       backend:
+  #         - name: duckdb
+  #           title: DuckDB
+  #           serial: true
+  #           extras:
+  #             - --extra duckdb
+  #             - --extra deltalake
+  #             - --extra geospatial
+  #             - --extra examples
+  #             - --extra decompiler
+  #             - --extra polars
+  #           additional_deps:
+  #             - torch
+  #         - name: clickhouse
+  #           title: ClickHouse
+  #           services:
+  #             - clickhouse
+  #           extras:
+  #             - --extra clickhouse
+  #             - --extra examples
+  #         - name: sqlite
+  #           title: SQLite
+  #           extras:
+  #             - --extra sqlite
+  #         - name: datafusion
+  #           title: DataFusion
+  #           serial: true
+  #           extras:
+  #             - --extra datafusion
+  #         - name: polars
+  #           title: Polars
+  #           extras:
+  #             - --extra polars
+  #             - --extra deltalake
+  #         - name: mysql
+  #           title: MySQL
+  #           services:
+  #             - mysql
+  #           extras:
+  #             - --extra mysql
+  #             - --extra geospatial
+  #             - --extra polars
+  #           sys-deps:
+  #             - libgeos-dev
+  #             - default-libmysqlclient-dev
+  #         - name: postgres
+  #           title: PostgreSQL
+  #           extras:
+  #             - --extra postgres
+  #             - --extra geospatial
+  #           services:
+  #             - postgres
+  #           sys-deps:
+  #             - libgeos-dev
+  #         - name: postgres
+  #           title: PostgreSQL + Torch
+  #           extras:
+  #             - --extra postgres
+  #             - --extra geospatial
+  #             - --extra polars
+  #           additional_deps:
+  #             - torch
+  #           services:
+  #             - postgres
+  #           sys-deps:
+  #             - libgeos-dev
+  #         - name: risingwave
+  #           title: RisingWave
+  #           serial: true
+  #           services:
+  #             - risingwave
+  #           extras:
+  #             - --extra risingwave
+  #         - name: impala
+  #           title: Impala
+  #           serial: true
+  #           extras:
+  #             - --extra impala
+  #           services:
+  #             - impala
+  #             - kudu
+  #           sys-deps:
+  #             - cmake
+  #             - ninja-build
+  #         - name: mssql
+  #           title: MS SQL Server
+  #           extras:
+  #             - --extra mssql
+  #             - --extra polars
+  #           services:
+  #             - mssql
+  #           sys-deps:
+  #             - freetds-dev
+  #             - unixodbc-dev
+  #             - tdsodbc
+  #         - name: trino
+  #           title: Trino
+  #           extras:
+  #             - --extra trino
+  #           services:
+  #             - trino
+  #         - name: druid
+  #           title: Druid
+  #           extras:
+  #             - --extra druid
+  #           services:
+  #             - druid
+  #         - name: exasol
+  #           title: Exasol
+  #           serial: true
+  #           extras:
+  #             - --extra exasol
+  #           services:
+  #             - exasol
+  #         - name: oracle
+  #           title: Oracle
+  #           serial: true
+  #           extras:
+  #             - --extra oracle
+  #             - --extra polars
+  #           services:
+  #             - oracle
+  #         - name: flink
+  #           title: Flink
+  #           serial: true
+  #           extras:
+  #             - --extra flink
+  #           additional_deps:
+  #             - "'apache-flink==1.20.0'"
+  #             - "'pandas<2.2'"
+  #             - setuptools
+  #           services:
+  #             - flink
+  #       include:
+  #         - os: ubuntu-latest
+  #           python-version: "3.11"
+  #           backend:
+  #             name: flink
+  #             title: Flink
+  #             serial: true
+  #             extras:
+  #               - --extra flink
+  #             additional_deps:
+  #               - "'apache-flink==1.20.0'"
+  #               - "'pandas<2.2'"
+  #               - setuptools
+  #             services:
+  #               - flink
+  #         - os: ubuntu-latest
+  #           python-version: "3.11"
+  #           backend:
+  #             name: impala
+  #             title: Impala
+  #             serial: true
+  #             extras:
+  #               - --extra impala
+  #             services:
+  #               - impala
+  #               - kudu
+  #             sys-deps:
+  #               - cmake
+  #               - ninja-build
+  #         # pytorch wheel doesn't exist for windows + python 3.13, so test
+  #         # against 3.12 until that's shipped
+  #         - os: windows-latest
+  #           python-version: "3.12"
+  #           backend:
+  #             name: duckdb
+  #             title: DuckDB
+  #             serial: true
+  #             extras:
+  #               - --extra duckdb
+  #               - --extra deltalake
+  #               - --extra geospatial
+  #               - --extra examples
+  #               - --extra decompiler
+  #               - --extra polars
+  #           additional_deps:
+  #             - torch
+  #         # also test duckdb with python 3.13 on windows, *without* pytorch
+  #         - os: windows-latest
+  #           python-version: "3.13"
+  #           backend:
+  #             name: duckdb
+  #             title: DuckDB
+  #             serial: true
+  #             extras:
+  #               - --extra duckdb
+  #               - --extra deltalake
+  #               - --extra geospatial
+  #               - --extra examples
+  #               - --extra decompiler
+  #               - --extra polars
+  #       exclude:
+  #         - os: windows-latest
+  #           python-version: "3.13"
+  #           backend:
+  #             name: duckdb
+  #         - os: windows-latest
+  #           backend:
+  #             name: mysql
+  #             title: MySQL
+  #             extras:
+  #               - --extra mysql
+  #               - --extra geospatial
+  #               - --extra polars
+  #             services:
+  #               - mysql
+  #             sys-deps:
+  #               - libgeos-dev
+  #               - default-libmysqlclient-dev
+  #         - os: windows-latest
+  #           backend:
+  #             name: clickhouse
+  #             title: ClickHouse
+  #             extras:
+  #               - --extra clickhouse
+  #               - --extra examples
+  #             services:
+  #               - clickhouse
+  #         - os: windows-latest
+  #           backend:
+  #             name: postgres
+  #             title: PostgreSQL
+  #             extras:
+  #               - --extra postgres
+  #               - --extra geospatial
+  #             services:
+  #               - postgres
+  #             sys-deps:
+  #               - libgeos-dev
+  #         - os: windows-latest
+  #           backend:
+  #             name: risingwave
+  #             title: RisingWave
+  #             serial: true
+  #             services:
+  #               - risingwave
+  #             extras:
+  #               - --extra risingwave
+  #         - os: windows-latest
+  #           backend:
+  #             name: postgres
+  #             title: PostgreSQL + Torch
+  #             extras:
+  #               - --extra postgres
+  #               - --extra geospatial
+  #               - --extra polars
+  #             additional_deps:
+  #               - torch
+  #             services:
+  #               - postgres
+  #             sys-deps:
+  #               - libgeos-dev
+  #         # TODO(deepyaman): Test whether this works upon releasing https://github.com/cloudera/impyla/commit/bf1f94c3c4106ded6267d2485c1e939775a6a87f
+  #         - os: ubuntu-latest
+  #           python-version: "3.13"
+  #           backend:
+  #             name: impala
+  #             title: Impala
+  #             serial: true
+  #             extras:
+  #               - --extra impala
+  #             services:
+  #               - impala
+  #               - kudu
+  #             sys-deps:
+  #               - cmake
+  #               - ninja-build
+  #         - os: windows-latest
+  #           backend:
+  #             name: impala
+  #             title: Impala
+  #             serial: true
+  #             extras:
+  #               - --extra impala
+  #             services:
+  #               - impala
+  #               - kudu
+  #             sys-deps:
+  #               - cmake
+  #               - ninja-build
+  #         - os: windows-latest
+  #           backend:
+  #             name: mssql
+  #             title: MS SQL Server
+  #             extras:
+  #               - --extra mssql
+  #               - --extra polars
+  #             services:
+  #               - mssql
+  #             sys-deps:
+  #               - freetds-dev
+  #               - unixodbc-dev
+  #               - tdsodbc
+  #         - os: windows-latest
+  #           backend:
+  #             name: trino
+  #             title: Trino
+  #             services:
+  #               - trino
+  #             extras:
+  #               - --extra trino
+  #         - os: windows-latest
+  #           backend:
+  #             name: druid
+  #             title: Druid
+  #             extras:
+  #               - --extra druid
+  #             services:
+  #               - druid
+  #         - os: windows-latest
+  #           backend:
+  #             name: oracle
+  #             title: Oracle
+  #             serial: true
+  #             extras:
+  #               - --extra oracle
+  #               - --extra polars
+  #             services:
+  #               - oracle
+  #         - os: ubuntu-latest
+  #           python-version: "3.13"
+  #           backend:
+  #             name: flink
+  #             title: Flink
+  #             serial: true
+  #             extras:
+  #               - --extra flink
+  #             additional_deps:
+  #               - "'apache-flink==1.20.0'"
+  #               - "'pandas<2.2'"
+  #               - setuptools
+  #             services:
+  #               - flink
+  #         - os: windows-latest
+  #           backend:
+  #             name: flink
+  #             title: Flink
+  #             serial: true
+  #             extras:
+  #               - --extra flink
+  #             additional_deps:
+  #               - "'apache-flink==1.20.0'"
+  #               - "'pandas<2.2'"
+  #               - setuptools
+  #             services:
+  #               - flink
+  #         - os: windows-latest
+  #           backend:
+  #             name: exasol
+  #             title: Exasol
+  #             serial: true
+  #             extras:
+  #               - --extra exasol
+  #             services:
+  #               - exasol
+  #   steps:
+  #     - name: update and install system dependencies
+  #       if: matrix.os == 'ubuntu-latest' && matrix.backend.sys-deps != null
+  #       run: |
+  #         set -euo pipefail
+  #
+  #         sudo apt-get update -qq -y
+  #         sudo apt-get install -qq -y build-essential ${{ join(matrix.backend.sys-deps, ' ') }}
+  #
+  #     - name: install sqlite
+  #       if: matrix.os == 'windows-latest' && matrix.backend.name == 'sqlite'
+  #       run: choco install sqlite
+  #
+  #     - name: checkout
+  #       uses: actions/checkout@v4
+  #
+  #     - uses: extractions/setup-just@v2
+  #       env:
+  #         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  #
+  #     - name: download backend data
+  #       run: just download-data
+  #
+  #     - name: start services
+  #       if: matrix.backend.services != null
+  #       run: just up ${{ join(matrix.backend.services, ' ') }}
+  #
+  #     - name: install python
+  #       uses: actions/setup-python@v5
+  #       id: install_python
+  #       with:
+  #         python-version: ${{ matrix.python-version }}
+  #
+  #     - name: install uv
+  #       uses: astral-sh/setup-uv@v5.1.0
+  #
+  #     - name: install other deps
+  #       if: matrix.backend.additional_deps != null
+  #       run: uv add --no-sync --optional ${{ matrix.backend.name }} ${{ join(matrix.backend.additional_deps, ' ') }}
+  #
+  #     - name: show installed deps
+  #       run: uv tree
+  #
+  #     - name: "run parallel tests: ${{ matrix.backend.name }}"
+  #       if: ${{ !matrix.backend.serial }}
+  #       run: just ci-check "${{ join(matrix.backend.extras, ' ') }} --extra examples" -m ${{ matrix.backend.name }} --numprocesses auto --dist=loadgroup
+  #       env:
+  #         IBIS_TEST_IMPALA_HOST: localhost
+  #         IBIS_TEST_IMPALA_PORT: 21050
+  #         IBIS_EXAMPLES_DATA: ${{ runner.temp }}/examples-${{ matrix.backend.name }}-${{ matrix.os }}-${{ steps.install_python.outputs.python-version }}
+  #
+  #     - name: "run serial tests: ${{ matrix.backend.name }}"
+  #       if: matrix.backend.serial
+  #       run: just ci-check "${{ join(matrix.backend.extras, ' ') }} --extra examples" -m ${{ matrix.backend.name }}
+  #       env:
+  #         FLINK_REMOTE_CLUSTER_ADDR: localhost
+  #         FLINK_REMOTE_CLUSTER_PORT: "8081"
+  #         IBIS_EXAMPLES_DATA: ${{ runner.temp }}/examples-${{ matrix.backend.name }}-${{ matrix.os }}-${{ steps.install_python.outputs.python-version }}
+  #
+  #     - name: "run backend doctests: ${{ matrix.backend.name }}"
+  #       if: matrix.os == 'ubuntu-latest'
+  #       run: just backend-doctests ${{ matrix.backend.name }}
+  #       env:
+  #         FLINK_REMOTE_CLUSTER_ADDR: localhost
+  #         FLINK_REMOTE_CLUSTER_PORT: "8081"
+  #         IBIS_EXAMPLES_DATA: ${{ runner.temp }}/examples-${{ matrix.backend.name }}-${{ matrix.os }}-${{ steps.install_python.outputs.python-version }}
+  #
+  #     - name: checkout uv.lock and pyproject.toml
+  #       run: git checkout uv.lock pyproject.toml
+  #
+  #     - name: check that no untracked files were produced
+  #       shell: bash
+  #       run: |
+  #         ! git status --porcelain | grep -F .
+  #
+  #     - name: upload code coverage
+  #       if: success()
+  #       continue-on-error: true
+  #       uses: codecov/codecov-action@v5
+  #       with:
+  #         flags: backend,${{ matrix.backend.name }},${{ runner.os }},python-${{ steps.install_python.outputs.python-version }}
+  #         token: ${{ secrets.CODECOV_TOKEN }}
+  #
+  #     - name: Show docker compose logs on fail
+  #       if: matrix.backend.services != null && failure()
+  #       run: docker compose logs
+  #
+  # test_pyspark:
+  #   name: PySpark ${{ matrix.tag }} ${{ matrix.pyspark-minor-version }} ubuntu-latest python-${{ matrix.python-version }}
+  #   runs-on: ubuntu-latest
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       include:
+  #         - python-version: "3.10"
+  #           pyspark-minor-version: "3.3"
+  #           tag: local
+  #           deps:
+  #             - pyspark==3.3.4
+  #             - pandas==1.5.3
+  #             - numpy==1.23.5
+  #         - python-version: "3.11"
+  #           pyspark-minor-version: "3.5"
+  #           tag: local
+  #           deps:
+  #             - delta-spark==3.2.1
+  #         - python-version: "3.13"
+  #           pyspark-minor-version: "3.5"
+  #           tag: local
+  #           deps:
+  #             - setuptools==75.1.0
+  #             - delta-spark==3.2.1
+  #         - python-version: "3.12"
+  #           pyspark-minor-version: "3.5"
+  #           SPARK_REMOTE: "sc://localhost:15002"
+  #           tag: remote
+  #           deps:
+  #             - setuptools==75.1.0
+  #             - delta-spark==3.2.1
+  #             - googleapis-common-protos
+  #             - grpcio
+  #             - grpcio-status
+  #   steps:
+  #     - name: checkout
+  #       uses: actions/checkout@v4
+  #
+  #     - uses: actions/setup-java@v4
+  #       with:
+  #         distribution: microsoft
+  #         java-version: 17
+  #
+  #     - uses: extractions/setup-just@v2
+  #       env:
+  #         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  #
+  #     - name: start services
+  #       if: matrix.tag == 'remote'
+  #       run: just up spark-connect
+  #
+  #     - name: download backend data
+  #       run: just download-data
+  #
+  #     - name: install python
+  #       uses: actions/setup-python@v5
+  #       id: install_python
+  #       with:
+  #         python-version: ${{ matrix.python-version }}
+  #
+  #     - name: install uv
+  #       uses: astral-sh/setup-uv@v5.1.0
+  #
+  #       # it requires a version of pandas that pyspark is not compatible with
+  #     - name: remove lonboard
+  #       if: matrix.pyspark-minor-version == '3.3'
+  #       run: uv remove --group docs --no-sync lonboard
+  #
+  #     - name: install pyspark-specific dependencies
+  #       run: uv add --no-sync ${{ join(matrix.deps, ' ') }}
+  #
+  #     - name: install iceberg
+  #       shell: bash
+  #       run: just download-iceberg-jar ${{ matrix.pyspark-minor-version }}
+  #
+  #     - name: run spark connect tests
+  #       if: matrix.tag == 'remote'
+  #       run: just ci-check "--extra pyspark --extra examples" -m pyspark
+  #       env:
+  #         SPARK_REMOTE: ${{ matrix.SPARK_REMOTE }}
+  #
+  #     - name: run spark tests
+  #       if: matrix.tag == 'local'
+  #       run: just ci-check "--extra pyspark --extra examples" -m pyspark
+  #
+  #     - name: check that no untracked files were produced
+  #       shell: bash
+  #       run: git checkout uv.lock pyproject.toml && ! git status --porcelain | grep -F .
+  #
+  #     - name: upload code coverage
+  #       # only upload coverage for jobs that aren't mostly xfails
+  #       if: success()
+  #       continue-on-error: true
+  #       uses: codecov/codecov-action@v5
+  #       with:
+  #         flags: backend,pyspark,${{ runner.os }},python-${{ steps.install_python.outputs.python-version }}
+  #         token: ${{ secrets.CODECOV_TOKEN }}
 
   backends:
     # this job exists so that we can use a single job from this workflow to gate merging
     runs-on: ubuntu-latest
-    needs:
-      - test_bigquery_lite
-      - test_backends
-      - test_pyspark
+    # needs:
+    #   - test_bigquery_lite
+    #   - test_backends
+    #   - test_pyspark
     steps:
       - run: exit 0
diff --git a/flake.nix b/flake.nix
index 426065ec0d49..c1d078662c45 100644
--- a/flake.nix
+++ b/flake.nix
@@ -144,6 +144,9 @@
 
           PYSPARK_PYTHON = "${env}/bin/python";
 
+          AWS_PROFILE = "ibis-testing";
+          AWS_REGION = "us-east-2";
+
           # needed for mssql+pyodbc
           ODBCSYSINI = pkgs.writeTextDir "odbcinst.ini" ''
             [FreeTDS]