Rename getters

Author: urosstan-db

sql/catalyst/src/main/java/org/apache/spark/sql/connector/expressions/GetArrayItem.java

@@ -46,10 +46,10 @@ public GetArrayItem(Expression childArray, Expression ordinal, boolean failOnErr
     this.failOnError = failOnError;
   }
 
-  public Expression getChildArray() { return this.childArray; }
-  public Expression getOrdinal() { return this.ordinal; }
-  public boolean getFailOnError() { return this.failOnError; }
+  public Expression childArray() { return this.childArray; }
+  public Expression ordinal() { return this.ordinal; }
+  public boolean failOnError() { return this.failOnError; }
 
   @Override
-  public Expression[] children() { return new Expression[]{ getChildArray() }; }
+  public Expression[] children() { return new Expression[]{ childArray() }; }
 }

sql/catalyst/src/main/scala/org/apache/spark/sql/internal/connector/ToStringSQLBuilder.scala

@@ -38,6 +38,6 @@ class ToStringSQLBuilder extends V2ExpressionSQLBuilder with Serializable {
   }
 
   override protected def visitGetArrayItem(getArrayItem: GetArrayItem): String = {
-    s"${getArrayItem.getChildArray.toString}[${getArrayItem.getOrdinal.toString}]"
+    s"${getArrayItem.childArray.toString}[${getArrayItem.ordinal.toString}]"
   }
 }