revert

kernel/kernel-api/src/main/java/io/delta/kernel/internal/util/VectorUtils.java

@@ -95,31 +95,6 @@ public ColumnVector getElements() {
     };
   }
 
-  /**
-   * Creates an {@link ArrayValue} from list of strings. The type {@code array(string)} is a common
-   * occurrence in Delta Log schema. We don't have any non-string array type in Delta Log. If we end
-   * up needing to support other types, we can make this generic.
-   *
-   * @param values list of strings
-   * @return an {@link ArrayValue} with the given values of type {@link StringType}
-   */
-  public static ArrayValue longArrayValue(List<Long> values) {
-    if (values == null) {
-      return null;
-    }
-    return new ArrayValue() {
-      @Override
-      public int getSize() {
-        return values.size();
-      }
-
-      @Override
-      public ColumnVector getElements() {
-        return longVector(values);
-      }
-    };
-  }
-
   /**
    * Creates a {@link MapValue} from map of string keys and string values. The type {@code
    * map(string -> string)} is a common occurrence in Delta Log schema.
@@ -189,43 +164,6 @@ public String getString(int rowId) {
     };
   }
 
-  /**
-   * Utility method to create a {@link ColumnVector} for given list of strings.
-   *
-   * @param values list of strings
-   * @return a {@link ColumnVector} with the given values of type {@link StringType}
-   */
-  public static ColumnVector longVector(List<Long> values) {
-    return new ColumnVector() {
-      @Override
-      public DataType getDataType() {
-        return LongType.LONG;
-      }
-
-      @Override
-      public int getSize() {
-        return values.size();
-      }
-
-      @Override
-      public void close() {
-        // no-op
-      }
-
-      @Override
-      public boolean isNullAt(int rowId) {
-        checkArgument(rowId >= 0 && rowId < values.size(), "Invalid rowId: %s", rowId);
-        return values.get(rowId) == null;
-      }
-
-      @Override
-      public long getLong(int rowId) {
-        checkArgument(rowId >= 0 && rowId < values.size(), "Invalid rowId: %s", rowId);
-        return values.get(rowId);
-      }
-    };
-  }
-
   /**
    * Gets the value at {@code rowId} from the column vector. The type of the Object returned depends
    * on the data type of the column vector. For complex types array and map, returns the value as