public void setVarchar(String fieldName, HCatSchema recordSchema, HiveVarchar value)
          throws HCatException {
    set(fieldName, recordSchema, value);
  }
Abstract class exposing get and set semantics for basic record usage.
Note :
  HCatRecord is designed only to be used as in-memory representation only.
  Don't use it to store data on the physical device.
hcatalog/core/src/main/java/org/apache/hive/hcatalog/data/HCatRecord.java