diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1a5e4b839f..42c540f44b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,6 +31,7 @@ concurrency:
 jobs:
   run_examples:
     name: Run examples in '${{ matrix.example }}' on ${{ matrix.db }}
+    if: github.event.schedule == '' || startsWith( github.ref, 'refs/heads/wip/' )
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -90,6 +91,9 @@ jobs:
           .gradle/wrapper
         # refresh cache every month to avoid unlimited growth
         key: gradle-examples-${{ matrix.db }}-${{ steps.get-date.outputs.yearmonth }}
+    - name: Print event
+      run: |
+        echo 'Event: ${{ github.event.schedule }}'
     - name: Set up JDK 11
       uses: actions/setup-java@v2.2.0
       with:
@@ -108,6 +112,7 @@ jobs:
 
   test_dbs:
     name: Test with ${{ matrix.db }}
+    if: github.event.schedule == '' || startsWith( github.ref, 'refs/heads/wip/' )
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -147,6 +152,7 @@ jobs:
 
   test_jdks:
     name: Test with Java ${{ matrix.java.name }}
+    if: github.event.schedule == '' || startsWith( github.ref, 'refs/heads/wip/' )
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false