question: remove all columns of this record . concode_field_sep Map<String,Object> columns concode_elem_sep long serialVersionUID concode_field_sep Record setColumns concode_elem_sep Record setColumns concode_elem_sep Record setColumns concode_elem_sep String[] getColumnNames concode_elem_sep java.sql.Time getTime concode_elem_sep void processColumnsMap concode_elem_sep Double getDouble concode_elem_sep java.math.BigDecimal getBigDecimal concode_elem_sep Float getFloat concode_elem_sep Record remove concode_elem_sep Record remove concode_elem_sep byte[] getBytes concode_elem_sep Map<String,Object> getColumns concode_elem_sep Number getNumber concode_elem_sep java.sql.Timestamp getTimestamp concode_elem_sep int hashCode concode_elem_sep T get concode_elem_sep T get concode_elem_sep java.util.Date getDate concode_elem_sep Boolean getBoolean concode_elem_sep Record setContainerFactoryByConfigName concode_elem_sep java.math.BigInteger getBigInteger concode_elem_sep Record set concode_elem_sep Object[] getColumnValues concode_elem_sep Long getLong concode_elem_sep Integer getInt concode_elem_sep void setColumnsMap concode_elem_sep Record removeNullValueColumns concode_elem_sep String toJson concode_elem_sep String getStr concode_elem_sep Record keep concode_elem_sep Record keep concode_elem_sep boolean equals concode_elem_sep String toString
target: Record function ( ) { getColumns ( ) . clear ( ) ; return this ; }