test: correct table filtering test (#344)

Author: fanyang01

.github/workflows/replication-test.yml

@@ -112,7 +112,7 @@ jobs:
           if [ "${{ matrix.source }}" = "postgres" ]; then
             SOURCE_DSN="postgres://postgres:[email protected]:5432/test"
           else
-            SOURCE_DSN="mysql://root:[email protected]:3306/test?skip-tables=skip"
+            SOURCE_DSN="mysql://root:[email protected]:3306/test?skip-tables=test.skip"
           fi
 
           docker run -d --name myduck \
@@ -174,6 +174,19 @@ jobs:
             exit 1
           fi
 
+          # Verify skipped table is empty (for MySQL-compatible databases only)
+          if [ "${{ matrix.source }}" != "postgres" ]; then
+            # Check if skip table has any rows
+            COUNT=$(docker exec myduck psql -t -U postgres -h 127.0.0.1 -c \
+              "SELECT COUNT(*) FROM ${SCHEMA}.skip;" | tr -d ' ')
+            if [ "$COUNT" -eq "0" ]; then
+              echo "Successfully verified that skipped table exists but is empty"
+            else
+              echo "Error: Skipped table 'skip' contains $COUNT rows when it should be empty"
+              exit 1
+            fi
+          fi
+
       - name: Test replication of new data
         run: |
           # Insert new data in source