Class SFieldLong

All Implemented Interfaces:
Serializable
Direct Known Subclasses:
IdentityField, LongField

public class SFieldLong extends SFieldScalar
Represents Long field meta data. Default SQL type is NUMERIC(18,0), which is roughly sql-92.
See Also:
  • Constructor Details

  • Method Details

    • queryFieldValue

      public Object queryFieldValue(ResultSet rs, int sqlIndex) throws Exception
      Description copied from class: SFieldMeta
      Issues a JDBC get*() on the result set for the field and converts the database type to the appropriate internal type, eg, Double for a double field. The first column has sqlIndex==1.
      Specified by:
      queryFieldValue in class SFieldMeta
      Throws:
      Exception
    • convertToDataSetFieldType

      protected Object convertToDataSetFieldType(Object raw) throws Exception
      Description copied from class: SFieldMeta
      Converts the parameter from the raw type parameter to the correct internal Object type that is stored in the data set. Returns the object if no conversion necessary. Used by SRecordInstance.setObject etc., Not getObject.
      Specified by:
      convertToDataSetFieldType in class SFieldMeta
      Throws:
      Exception
    • defaultSqlDataType

      public String defaultSqlDataType()
      Specializes SFieldMeta. This is basically SQL 2, and fairly database independent, we hope. Note that "LONG" for Oracle means a text field that can contain over 2K characters!
      Specified by:
      defaultSqlDataType in class SFieldScalar
    • isFKeyCompatible

      public boolean isFKeyCompatible(SFieldScalar field)
    • javaSqlType

      public int javaSqlType()
      Specified by:
      javaSqlType in class SFieldScalar
      Returns:
      int constant from java.sql.Types, used for setting sql datatype with null values