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    FieldTypetoVariantMap

    Map field types on variant types.

    Declaration

    Source position: db.pas line 2339

    const
  FieldTypetoVariantMap : Array[TFieldType] of Integer = (varError, varOleStr, varSmallint, varInteger, varSmallint, varBoolean, varDouble, varCurrency, varCurrency, varDate, varDate, varDate, varOleStr, varOleStr, varInteger, varOleStr, varOleStr, varOleStr, varOleStr, varOleStr, varOleStr, varOleStr, varError, varOleStr, varOleStr, varInt64, varError, varError, varError, varError, varOleStr, varOleStr, varVariant, varUnknown, varDispatch, varOleStr, varOleStr, varDouble, varOleStr, varOleStr, varUnknown, varUnknown, varLongWord, varShortint, varByte, varDouble, varSingle);

    Description

    FieldTypetoVariantMap contains for each field datatype the variant value type that corresponds to it. If a field type cannot be expressed by a variant type, then varError is stored in the variant value.

    See also

    Name Description
    TFieldType Field data type description.
    TField.Value Value of the field as a variant value.
    TParam.Value Value as a variant.