public boolean isSetSchemaId() {
    return org.apache.amoro.shade.thrift.org.apache.thrift.EncodingUtils.testBit(__isset_bitfield, __SCHEMAID_ISSET_ID);
  }
Returns true if field schemaId is set (has been assigned a value) and false otherwise
amoro-common/src/main/gen-java/org/apache/amoro/api/SchemaUpdateMeta.java