diff --git a/.github/workflows/benchmark-tpch.yml b/.github/workflows/benchmark-tpch.yml
index 3d4fbb750..9cb5bc651 100644
--- a/.github/workflows/benchmark-tpch.yml
+++ b/.github/workflows/benchmark-tpch.yml
@@ -22,16 +22,16 @@ concurrency:
   cancel-in-progress: true
 
 on:
-  push:
-    paths-ignore:
-      - "doc/**"
-      - "docs/**"
-      - "**.md"
-  pull_request:
-    paths-ignore:
-      - "doc/**"
-      - "docs/**"
-      - "**.md"
+#  push:
+#    paths-ignore:
+#      - "doc/**"
+#      - "docs/**"
+#      - "**.md"
+#  pull_request:
+#    paths-ignore:
+#      - "doc/**"
+#      - "docs/**"
+#      - "**.md"
   # manual trigger
   # https://docs.github.com/en/actions/managing-workflow-runs/manually-running-a-workflow
   workflow_dispatch:
diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index de1ad5773..712a71582 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -22,16 +22,16 @@ concurrency:
   cancel-in-progress: true
 
 on:
-  push:
-    paths-ignore:
-      - "doc/**"
-      - "docs/**"
-      - "**.md"
-  pull_request:
-    paths-ignore:
-      - "doc/**"
-      - "docs/**"
-      - "**.md"
+#  push:
+#    paths-ignore:
+#      - "doc/**"
+#      - "docs/**"
+#      - "**.md"
+#  pull_request:
+#    paths-ignore:
+#      - "doc/**"
+#      - "docs/**"
+#      - "**.md"
   # manual trigger
   # https://docs.github.com/en/actions/managing-workflow-runs/manually-running-a-workflow
   workflow_dispatch:
diff --git a/.github/workflows/miri.yml b/.github/workflows/miri.yml
index 923598ee3..aef91951d 100644
--- a/.github/workflows/miri.yml
+++ b/.github/workflows/miri.yml
@@ -18,16 +18,16 @@
 name: Run Miri Safety Checks
 
 on:
-  push:
-    paths-ignore:
-      - "doc/**"
-      - "docs/**"
-      - "**.md"
-  pull_request:
-    paths-ignore:
-      - "doc/**"
-      - "docs/**"
-      - "**.md"
+#  push:
+#    paths-ignore:
+#      - "doc/**"
+#      - "docs/**"
+#      - "**.md"
+#  pull_request:
+#    paths-ignore:
+#      - "doc/**"
+#      - "docs/**"
+#      - "**.md"
   # manual trigger
   # https://docs.github.com/en/actions/managing-workflow-runs/manually-running-a-workflow
   workflow_dispatch:
diff --git a/.github/workflows/pr_build.yml b/.github/workflows/pr_build.yml
deleted file mode 100644
index 308dd2d68..000000000
--- a/.github/workflows/pr_build.yml
+++ /dev/null
@@ -1,317 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: PR Build
-
-concurrency:
-  group: ${{ github.repository }}-${{ github.head_ref || github.sha }}-${{ github.workflow }}
-  cancel-in-progress: true
-
-on:
-  push:
-    paths-ignore:
-      - "doc/**"
-      - "docs/**"
-      - "**.md"
-  pull_request:
-    paths-ignore:
-      - "doc/**"
-      - "docs/**"
-      - "**.md"
-  # manual trigger
-  # https://docs.github.com/en/actions/managing-workflow-runs/manually-running-a-workflow
-  workflow_dispatch:
-
-env:
-  RUST_VERSION: stable
-
-jobs:
-
-  # run Comet test with full matrix of Java and Scala versions for the latest supported 3.5.x release
-  linux-test:
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
-        java_version: [11, 17]
-        test-target: [rust, java]
-        spark-version: ['3.5']
-        scala-version: ['2.12', '2.13']
-        is_push_event:
-          - ${{ github.event_name == 'push' }}
-        exclude: # exclude java 11 for pull_request event
-          - java_version: 11
-            is_push_event: false
-      fail-fast: false
-    name: ${{ matrix.os }}/java ${{ matrix.java_version }}-spark-${{matrix.spark-version}}-scala-${{matrix.scala-version}}/${{ matrix.test-target }}
-    runs-on: ${{ matrix.os }}
-    container:
-      image: amd64/rust
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust & Java toolchain
-        uses: ./.github/actions/setup-builder
-        with:
-          rust-version: ${{env.RUST_VERSION}}
-          jdk-version: ${{ matrix.java_version }}
-      - if: matrix.test-target == 'rust'
-        name: Rust test steps
-        uses: ./.github/actions/rust-test
-      - if: matrix.test-target == 'java'
-        name: Java test steps
-        uses: ./.github/actions/java-test
-        with:
-          maven_opts: -Pspark-${{ matrix.spark-version }},scala-${{ matrix.scala-version }}
-          # upload test reports only for java 17
-          upload-test-reports: ${{ matrix.java_version == '17' }}
-
-  # run Comet tests for older 3.5.x releases with one java and scala versions
-  linux-test-35-minor-versions:
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
-        java_version: [17]
-        test-target: [java]
-        spark-version: ['3.5']
-        spark-patch-version: ['3.5.2', '3.5.3', '3.5.4']
-        scala-version: ['2.12']
-        is_push_event:
-          - ${{ github.event_name == 'push' }}
-      fail-fast: false
-    name: ${{ matrix.os }}/java ${{ matrix.java_version }}-spark-${{matrix.spark-patch-version}}-scala-${{matrix.scala-version}}/${{ matrix.test-target }}
-    runs-on: ${{ matrix.os }}
-    container:
-      image: amd64/rust
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust & Java toolchain
-        uses: ./.github/actions/setup-builder
-        with:
-          rust-version: ${{env.RUST_VERSION}}
-          jdk-version: ${{ matrix.java_version }}
-      - if: matrix.test-target == 'rust'
-        name: Rust test steps
-        uses: ./.github/actions/rust-test
-      - if: matrix.test-target == 'java'
-        name: Java test steps
-        uses: ./.github/actions/java-test
-        with:
-          maven_opts: "-Pspark-${{ matrix.spark-version }},scala-${{ matrix.scala-version }} -Dspark.version=${{ matrix.spark-patch-version }}"
-          # upload test reports only for java 17
-          upload-test-reports: ${{ matrix.java_version == '17' }}
-
-  linux-test-native-datafusion-scan:
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
-        scan_impl: ['native_datafusion', 'native_iceberg_compat']
-        java_version: [17]
-        test-target: [rust, java]
-        spark-version: ['3.5']
-        scala-version: ['2.12']
-        is_push_event:
-          - ${{ github.event_name == 'push' }}
-      fail-fast: false
-    name: ${{ matrix.os }}/java ${{ matrix.java_version }}-spark-${{matrix.spark-version}}-scala-${{matrix.scala-version}}/${{ matrix.test-target }}-${{ matrix.scan_impl }}
-    runs-on: ${{ matrix.os }}
-    env:
-      COMET_PARQUET_SCAN_IMPL: ${{ matrix.scan_impl }}
-    container:
-      image: amd64/rust
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust & Java toolchain
-        uses: ./.github/actions/setup-builder
-        with:
-          rust-version: ${{env.RUST_VERSION}}
-          jdk-version: ${{ matrix.java_version }}
-      - if: matrix.test-target == 'rust'
-        name: Rust test steps
-        uses: ./.github/actions/rust-test
-      - if: matrix.test-target == 'java'
-        name: Java test steps
-        uses: ./.github/actions/java-test
-        with:
-          maven_opts: -Pspark-${{ matrix.spark-version }},scala-${{ matrix.scala-version }}
-          # upload test reports only for java 17
-          upload-test-reports: ${{ matrix.java_version == '17' }}
-
-  linux-test-with-old-spark:
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
-        java_version: [11, 17]
-        test-target: [java]
-        spark-version: ['3.4']
-        scala-version: ['2.12', '2.13']
-      fail-fast: false
-    name: ${{ matrix.os }}/java ${{ matrix.java_version }}-spark-${{matrix.spark-version}}-scala-${{matrix.scala-version}}/${{ matrix.test-target }}
-    runs-on: ${{ matrix.os }}
-    container:
-      image: amd64/rust
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust & Java toolchain
-        uses: ./.github/actions/setup-builder
-        with:
-          rust-version: ${{env.RUST_VERSION}}
-          jdk-version: ${{ matrix.java_version }}
-      - name: Java test steps
-        uses: ./.github/actions/java-test
-        with:
-          maven_opts: -Pspark-${{ matrix.spark-version }},scala-${{ matrix.scala-version }}
-
-  macos-test:
-    strategy:
-      matrix:
-        os: [macos-13]
-        java_version: [11, 17]
-        test-target: [rust, java]
-        spark-version: ['3.4', '3.5']
-        scala-version: ['2.12', '2.13']
-      fail-fast: false
-    if: github.event_name == 'push'
-    name: ${{ matrix.os }}/java ${{ matrix.java_version }}-spark-${{matrix.spark-version}}-scala-${{matrix.scala-version}}/${{ matrix.test-target }}
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust & Java toolchain
-        uses: ./.github/actions/setup-macos-builder
-        with:
-          rust-version: ${{env.RUST_VERSION}}
-          jdk-version: ${{ matrix.java_version }}
-      - if: matrix.test-target == 'rust'
-        name: Rust test steps
-        uses: ./.github/actions/rust-test
-      - if: matrix.test-target == 'java'
-        name: Java test steps
-        uses: ./.github/actions/java-test
-        with:
-          maven_opts: -Pspark-${{ matrix.spark-version }},scala-${{ matrix.scala-version }}
-
-  macos-aarch64-test:
-    strategy:
-      matrix:
-        java_version: [11, 17]
-        test-target: [rust, java]
-        spark-version: ['3.4', '3.5']
-        scala-version: ['2.12', '2.13']
-        is_push_event:
-          - ${{ github.event_name == 'push' }}
-        exclude: # exclude java 11 for pull_request event
-          - java_version: 11
-            is_push_event: false
-      fail-fast: false
-    name: macos-14(Silicon)/java ${{ matrix.java_version }}-spark-${{matrix.spark-version}}-scala-${{matrix.scala-version}}/${{ matrix.test-target }}
-    runs-on: macos-14
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust & Java toolchain
-        uses: ./.github/actions/setup-macos-builder
-        with:
-          rust-version: ${{env.RUST_VERSION}}
-          jdk-version: ${{ matrix.java_version }}
-          jdk-architecture: aarch64
-          protoc-architecture: aarch_64
-      - if: matrix.test-target == 'rust'
-        name: Rust test steps
-        uses: ./.github/actions/rust-test
-      - if: matrix.test-target == 'java'
-        name: Java test steps
-        uses: ./.github/actions/java-test
-        with:
-          maven_opts: -Pspark-${{ matrix.spark-version }},scala-${{ matrix.scala-version }}
-
-  macos-test-with-spark4_0:
-    strategy:
-      matrix:
-        os: [macos-13]
-        java_version: [17]
-        test-target: [java]
-        spark-version: ['4.0']
-      fail-fast: false
-    if: github.event_name == 'push'
-    name: ${{ matrix.os }}/java ${{ matrix.java_version }}-spark-${{matrix.spark-version}}/${{ matrix.test-target }}
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust & Java toolchain
-        uses: ./.github/actions/setup-macos-builder
-        with:
-          rust-version: ${{env.RUST_VERSION}}
-          jdk-version: ${{ matrix.java_version }}
-      - name: Java test steps
-        uses: ./.github/actions/java-test
-        with:
-          maven_opts: -Pspark-${{ matrix.spark-version }}
-          upload-test-reports: true
-
-  macos-aarch64-test-with-spark4_0:
-    strategy:
-      matrix:
-        java_version: [17]
-        test-target: [java]
-        spark-version: ['4.0']
-        is_push_event:
-          - ${{ github.event_name == 'push' }}
-        exclude: # exclude java 11 for pull_request event
-          - java_version: 11
-            is_push_event: false
-      fail-fast: false
-    name: macos-14(Silicon)/java ${{ matrix.java_version }}-spark-${{matrix.spark-version}}/${{ matrix.test-target }}
-    runs-on: macos-14
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust & Java toolchain
-        uses: ./.github/actions/setup-macos-builder
-        with:
-          rust-version: ${{env.RUST_VERSION}}
-          jdk-version: ${{ matrix.java_version }}
-          jdk-architecture: aarch64
-          protoc-architecture: aarch_64
-      - name: Java test steps
-        uses: ./.github/actions/java-test
-        with:
-          maven_opts: -Pspark-${{ matrix.spark-version }}
-          upload-test-reports: true
-
-  macos-aarch64-test-with-old-spark:
-    strategy:
-      matrix:
-        java_version: [17]
-        test-target: [java]
-        spark-version: ['3.4']
-        scala-version: ['2.12', '2.13']
-        exclude:
-          - java_version: 8
-      fail-fast: false
-    name: macos-14(Silicon)/java ${{ matrix.java_version }}-spark-${{matrix.spark-version}}-scala-${{matrix.scala-version}}/${{ matrix.test-target }}
-    runs-on: macos-14
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Rust & Java toolchain
-        uses: ./.github/actions/setup-macos-builder
-        with:
-          rust-version: ${{env.RUST_VERSION}}
-          jdk-version: ${{ matrix.java_version }}
-          jdk-architecture: aarch64
-          protoc-architecture: aarch_64
-      - if: matrix.test-target == 'java'
-        name: Java test steps
-        uses: ./.github/actions/java-test
-        with:
-          maven_opts: -Pspark-${{ matrix.spark-version }},scala-${{ matrix.scala-version }}
-
diff --git a/.github/workflows/spark_sql_test.yml b/.github/workflows/spark_sql_test.yml
index 58defe660..cb917062b 100644
--- a/.github/workflows/spark_sql_test.yml
+++ b/.github/workflows/spark_sql_test.yml
@@ -22,16 +22,16 @@ concurrency:
   cancel-in-progress: true
 
 on:
-  push:
-    paths-ignore:
-      - "doc/**"
-      - "docs/**"
-      - "**.md"
-  pull_request:
-    paths-ignore:
-      - "doc/**"
-      - "docs/**"
-      - "**.md"
+#  push:
+#    paths-ignore:
+#      - "doc/**"
+#      - "docs/**"
+#      - "**.md"
+#  pull_request:
+#    paths-ignore:
+#      - "doc/**"
+#      - "docs/**"
+#      - "**.md"
   # manual trigger
   # https://docs.github.com/en/actions/managing-workflow-runs/manually-running-a-workflow
   workflow_dispatch:
diff --git a/.github/workflows/spark_sql_test_ansi.yml b/.github/workflows/spark_sql_test_ansi.yml
index 170c10644..466d1f4ee 100644
--- a/.github/workflows/spark_sql_test_ansi.yml
+++ b/.github/workflows/spark_sql_test_ansi.yml
@@ -22,14 +22,14 @@ concurrency:
   cancel-in-progress: true
 
 on:
-  push:
-    paths-ignore:
-      - "docs/**"
-      - "**.md"
-  pull_request:
-    paths-ignore:
-      - "docs/**"
-      - "**.md"
+#  push:
+#    paths-ignore:
+#      - "docs/**"
+#      - "**.md"
+#  pull_request:
+#    paths-ignore:
+#      - "docs/**"
+#      - "**.md"
   # manual trigger
   # https://docs.github.com/en/actions/managing-workflow-runs/manually-running-a-workflow
   workflow_dispatch: