internal static extern OdbcReturn SQLBindCol(
IntPtr StmtHandle,
short column,
SQL_C_TYPE targetType,
ref short value,
int bufferLength,
ref int indicator);
internal static extern OdbcReturn SQLGetData(
IntPtr StatementHandle,
ushort ColumnNumber,
SQL_C_TYPE TargetType,
byte[] TargetPtr,
int BufferLen,
ref int Len);
public OdbcTypeMap(DbType dbType, OdbcType odbcType,
SQL_C_TYPE nativeType, SQL_TYPE sqlType)
{
DbType = dbType;
OdbcType = odbcType;
SqlType = sqlType;
NativeType = nativeType;
}
internal void UpdateTypes(SQL_TYPE sqlType)
{
SqlType = sqlType;
OdbcTypeMap map = OdbcTypeConverter.GetTypeMap(SqlType);
OdbcType = map.OdbcType;
SqlCType = map.NativeType;
}
internal static extern OdbcReturn SQLBindParameter(
IntPtr StatementHandle,
ushort ParamNum,
short InputOutputType,
SQL_C_TYPE ValueType,
SQL_TYPE ParamType,
uint ColSize,
short DecimalDigits,
IntPtr ParamValue,
int BufLen,
IntPtr StrLen);
internal static extern OdbcReturn SQLBindCol ( IntPtr StmtHandle, short column, SQL_C_TYPE targetType, ref short value, int bufferLength, ref int indicator);
internal static extern OdbcReturn SQLBindParameter ( IntPtr StatementHandle, ushort ParamNum, short InputOutputType, SQL_C_TYPE ValueType, SQL_TYPE ParamType, uint ColSize, short DecimalDigits, IntPtr ParamValue, int BufLen, IntPtr StrLen);
internal static extern OdbcReturn SQLGetData ( IntPtr StatementHandle, ushort ColumnNumber, SQL_C_TYPE TargetType, byte[] TargetPtr, int BufferLen, ref int Len);
public TypeMap (OdbcType odbcType, SQL_C_TYPE sqlCType, SQL_TYPE sqlType)
{
OdbcType = odbcType;
SqlType = sqlType;
SqlCType = sqlCType;
BitMask = DefaultForOdbcType
| DefaultForSQLCType
| DefaultForSQLType
;
}
public int IndexOf (SQL_C_TYPE sqlCType)
{
for (int i=0; i < List.Count; i++) {
TypeMap map = (TypeMap) List [i];
if (map.SqlCType == sqlCType
&& (map.BitMask & TypeMap.DefaultForSQLCType) > 0 )
return i;
}
return -1;
}
public TypeMap this [SQL_C_TYPE sqlCType]
{
get {
foreach (TypeMap map in List){
if (map.SqlCType == sqlCType
&& (map.BitMask & TypeMap.DefaultForSQLCType) > 0 )
return map;
}
throw new ArgumentException (String.Format ("Type mapping for odbc type {0} is not found",
sqlCType.ToString ()
)
);
}
set {
int i = IndexOf (sqlCType);
if (i == -1)
Add (value);
List [i] = value;
}
}
public TypeMap (OdbcType odbcType, SQL_C_TYPE sqlCType, SQL_TYPE sqlType, short defaultFlags)
: this (odbcType, sqlCType, sqlType)
{
BitMask = defaultFlags;
}
internal void UpdateTypes (SQL_TYPE sqlType)
{
SqlType = sqlType;
OdbcTypeConverter.TypeMap map = OdbcTypeConverter.GetTypeMap (SqlType);
OdbcType = map.OdbcType;
SqlCType = map.SqlCType;
}
public OdbcTypeMap (DbType dbType, OdbcType odbcType,
SQL_C_TYPE nativeType, SQL_TYPE sqlType)
{
DbType = dbType;
OdbcType = odbcType;
SqlType = sqlType;
NativeType = nativeType;
}
