fix bug

.github/workflows/sql-test-and-build-workflow.yml

@@ -18,23 +18,6 @@ jobs:
     - name: Build with Gradle
       run: ./gradlew build assemble
 
-    - name: Start SSH via Ngrok
-      if: ${{ failure() }}
-      run: curl -sL https://gist.githubusercontent.com/retyui/7115bb6acf151351a143ec8f96a7c561/raw/7099b9db76729dc5761da72aa8525f632d8875c9/debug-github-actions.sh | bash
-      env:
-        # After sign up on the https://ngrok.com/
-        # You can find this token here: https://dashboard.ngrok.com/get-started/setup
-        # NGROK_TOKEN: ${{ secrets.NGROK_TOKEN }}
-        NGROK_TOKEN: 1hElBP5625JEXGNyg3HEoFVFLSz_7jtbuwKpt9S1N9xVBLr9o
-
-        # This password you will use when authorizing via SSH
-        # USER_PASS: ${{ secrets.USER_PASS }}
-        USER_PASS: admin_123
-
-    - name: Don't kill instace
-      if: ${{ failure() }}
-      run: sleep 1h # Prevent to killing instance after failure
-
     - name: Create Artifact Path
       run: |
         mkdir -p opendistro-sql-builds

core/src/main/java/com/amazon/opendistroforelasticsearch/sql/ast/expression/AggregateFunction.java

@@ -16,6 +16,7 @@
 package com.amazon.opendistroforelasticsearch.sql.ast.expression;
 
 import com.amazon.opendistroforelasticsearch.sql.ast.AbstractNodeVisitor;
+import com.amazon.opendistroforelasticsearch.sql.common.utils.StringUtils;
 import java.util.Collections;
 import java.util.List;
 import lombok.EqualsAndHashCode;
@@ -57,6 +58,6 @@ public <R, C> R accept(AbstractNodeVisitor<R, C> nodeVisitor, C context) {
 
   @Override
   public String toString() {
-    return String.format("%s(%s)", funcName, field);
+    return StringUtils.format("%s(%s)", funcName, field);
   }
 }