[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'DB' (#fcl)

FieldTypetoVariantMap

Map field types on variant types

Declaration

Source position: db.pas line 2097

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);

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

TFieldType

  

Field data type description

TField.Value

  

Value of the field as a variant value

TParam.Value

  

Value as a variant


Documentation generated on: Jun 22 2020