// Authors:
// Brian Ritchie (brianlritchie@hotmail.com)
// Sureshkumar T (tsureshkumar@novell.com)
-//
//
// Copyright (C) Brian Ritchie, 2002
-//
-//
-
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
namespace System.Data.Odbc
{
- internal enum OdbcHandleType : short {
+ internal enum OdbcHandleType : short
+ {
Env = 1,
Dbc = 2,
Stmt = 3,
Desc = 4
- };
+ }
- internal enum OdbcReturn : short {
+ internal enum OdbcReturn : short
+ {
Error = -1,
InvalidHandle = -2,
StillExecuting = 2,
NeedData = 99,
Success = 0,
SuccessWithInfo = 1,
- NoData=100
+ NoData = 100
}
- internal enum OdbcEnv : ushort {
+ internal enum OdbcEnv : ushort
+ {
OdbcVersion = 200,
ConnectionPooling = 201,
CPMatch = 202
}
- internal enum OdbcConnectionAttribute : int \r
+ internal enum OdbcConnectionAttribute : int
{
- AutoCommit=102,
- TransactionIsolation=108,
- CurrentCatalog=109
+ AutoCommit = 102,
+ TransactionIsolation = 108,
+ CurrentCatalog = 109,
+#if NET_2_0
+ CoptTransactionIsolation = 1227 /* SQL_COPT_SS_TXN_ISOLATION */
+#endif
}
- internal enum OdbcInfo : ushort
- {
- DataSourceName = 2,
- DriverName = 6,
- DriverVersion = 7,
- DatabaseName = 16,
- DbmsVersion = 18
- }
+ internal enum OdbcInfo : ushort
+ {
+ DataSourceName = 2,
+ DriverName = 6,
+ DriverVersion = 7,
+ DatabaseName = 16,
+ DbmsVersion = 18,
+ IdentifierQuoteChar = 29
+ }
internal enum OdbcInputOutputDirection : short
{
- Input=1,
- InputOutput=2,
- ResultCol=3,
- Output=4,
- ReturnValue=5
+ Input = 1,
+ InputOutput = 2,
+ ResultCol = 3,
+ Output = 4,
+ ReturnValue = 5
+ }
+
+ internal enum OdbcIsolationLevel
+ {
+ ReadUncommitted = 1,
+ ReadCommitted = 2,
+ RepeatableRead = 4,
+ Serializable = 8,
+ Snapshot = 32 /* SQL_TXN_SS_SNAPSHOT */
+ }
+
+ internal enum OdbcLengthIndicator : short
+ {
+ NoTotal = -4,
+ NullData = -1
}
- internal enum OdbcLengthIndicator : short
- {
- NoTotal = -4,
- NullData = -1
- }
-
- // Keep this sorted.
- internal enum FieldIdentifier
- {
- AutoUniqueValue = 11, /* SQL_DESC_AUTO_UNIQUE_VALUE */
- BaseColumnName = 22, /* SQL_DESC_BASE_COLUMN_NAME */
- BaseTableName = 23, /* SQL_DESC_BASE_TABLE_NAME */
- CaseSensitive = 12, /* SQL_DESC_CASE_SENSITIVE */
- CatelogName = 17, /* SQL_DESC_CATALOG_NAME */
- ConsiseType = 2, /* SQL_DESC_CONCISE_TYPE */
- Count = 1001, /* SQL_DESC_COUNT */
- DisplaySize = 6, /* SQL_DESC_DISPLAY_SIZE */
- FixedPrecScale = 9, /* SQL_DESC_FIXED_PREC_SCALE */
- Label = 18, /* SQL_DESC_LABEL */
- Length = 1003, /* SQL_DESC_LENGTH */
- LiteralPrefix = 27, /* SQL_DESC_LITERAL_PREFIX */
- LiteralSuffix = 28, /* SQL_DESC_LITERAL_SUFFIX */
- LocalTypeName = 29, /* SQL_DESC_LOCAL_TYPE_NAME */
- Name = 1011, /* SQL_DESC_NAME */
- Nullable = 1008, /* SQL_DESC_NULLABLE */
- NumPrecRadix = 32, /* SQL_DESC_NUM_PREC_RADIX */
- OctetLength = 1013, /* SQL_DESC_OCTET_LENGTH */
- Precision = 1005, /* SQL_DESC_PRECISION */
- Scale = 1006, /* SQL_DESC_SCALE */
- SchemaName = 16, /* SQL_DESC_SCHEMA_NAME */
- Searchable = 13, /* SQL_DESC_SEARCHABLE */
- TableName = 15, /* SQL_DESC_TABLE_NAME */
- Type = 1002, /* SQL_DESC_TYPE */
- TypeName = 14, /* SQL_DESC_TYPE_NAME */
- Unnamed = 1012, /* SQL_DESC_UNNAMED */
- Unsigned = 8, /* SQL_DESC_UNSIGNED */
- Updatable = 10 /* SQL_DESC_UPDATABLE */
- }
-
- [StructLayout(LayoutKind.Sequential)]
+ // Keep this sorted.
+ internal enum FieldIdentifier : short
+ {
+ AutoUniqueValue = 11, /* SQL_DESC_AUTO_UNIQUE_VALUE */
+ BaseColumnName = 22, /* SQL_DESC_BASE_COLUMN_NAME */
+ BaseTableName = 23, /* SQL_DESC_BASE_TABLE_NAME */
+ CaseSensitive = 12, /* SQL_DESC_CASE_SENSITIVE */
+ CatelogName = 17, /* SQL_DESC_CATALOG_NAME */
+ ConsiseType = 2, /* SQL_DESC_CONCISE_TYPE */
+ Count = 1001, /* SQL_DESC_COUNT */
+ DisplaySize = 6, /* SQL_DESC_DISPLAY_SIZE */
+ FixedPrecScale = 9, /* SQL_DESC_FIXED_PREC_SCALE */
+ Label = 18, /* SQL_DESC_LABEL */
+ Length = 1003, /* SQL_DESC_LENGTH */
+ LiteralPrefix = 27, /* SQL_DESC_LITERAL_PREFIX */
+ LiteralSuffix = 28, /* SQL_DESC_LITERAL_SUFFIX */
+ LocalTypeName = 29, /* SQL_DESC_LOCAL_TYPE_NAME */
+ Name = 1011, /* SQL_DESC_NAME */
+ Nullable = 1008, /* SQL_DESC_NULLABLE */
+ NumPrecRadix = 32, /* SQL_DESC_NUM_PREC_RADIX */
+ OctetLength = 1013, /* SQL_DESC_OCTET_LENGTH */
+ Precision = 1005, /* SQL_DESC_PRECISION */
+ Scale = 1006, /* SQL_DESC_SCALE */
+ SchemaName = 16, /* SQL_DESC_SCHEMA_NAME */
+ Searchable = 13, /* SQL_DESC_SEARCHABLE */
+ TableName = 15, /* SQL_DESC_TABLE_NAME */
+ Type = 1002, /* SQL_DESC_TYPE */
+ TypeName = 14, /* SQL_DESC_TYPE_NAME */
+ Unnamed = 1012, /* SQL_DESC_UNNAMED */
+ Unsigned = 8, /* SQL_DESC_UNSIGNED */
+ Updatable = 10 /* SQL_DESC_UPDATABLE */
+ }
+
+ [StructLayout(LayoutKind.Sequential)]
internal struct OdbcTimestamp
{
internal short year;
internal ulong fraction;
}
-
-// sealed internal class libodbc
internal class libodbc
{
- #region global constants
+ #region global constants
internal const int SQL_OV_ODBC2 = 2;
internal const int SQL_OV_ODBC3 = 3;
- internal const string SQLSTATE_RIGHT_TRUNC = "01004";
- internal const char C_NULL = '\0';
+ internal const string SQLSTATE_RIGHT_TRUNC = "01004";
+ internal const char C_NULL = '\0';
+ internal const int SQL_NTS = -3;
internal const short SQL_TRUE = 1;
internal const short SQL_FALSE = 0;
internal const short SQL_ATTR_READONLY = 0;
internal const short SQL_ATTR_WRITE = 1;
internal const short SQL_ATTR_READWRITE_UNKNOWN = 2;
- #endregion
+ #endregion
internal static OdbcInputOutputDirection ConvertParameterDirection(
ParameterDirection dir)
{
- switch (dir)
- {
- case ParameterDirection.Input:
- return OdbcInputOutputDirection.Input;
- case ParameterDirection.InputOutput:
- return OdbcInputOutputDirection.InputOutput;
- case ParameterDirection.Output:
- return OdbcInputOutputDirection.Output;
- case ParameterDirection.ReturnValue:
- return OdbcInputOutputDirection.ReturnValue;
- default:
- return OdbcInputOutputDirection.Input;
+ switch (dir) {
+ case ParameterDirection.Input:
+ return OdbcInputOutputDirection.Input;
+ case ParameterDirection.InputOutput:
+ return OdbcInputOutputDirection.InputOutput;
+ case ParameterDirection.Output:
+ return OdbcInputOutputDirection.Output;
+ case ParameterDirection.ReturnValue:
+ return OdbcInputOutputDirection.ReturnValue;
+ default:
+ return OdbcInputOutputDirection.Input;
}
}
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLAllocHandle (OdbcHandleType HandleType, IntPtr InputHandle, ref IntPtr OutputHandlePtr);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLSetEnvAttr (IntPtr EnvHandle, OdbcEnv Attribute, IntPtr Value, int StringLength);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLConnect (IntPtr ConnectionHandle, string ServerName, short NameLength1, string UserName, short NameLength2, string Authentication, short NameLength3);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLDriverConnect(IntPtr ConnectionHandle, IntPtr WindowHandle, string InConnectionString, short StringLength1, string OutConnectionString, short BufferLength, ref short StringLength2Ptr, ushort DriverCompletion);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLExecDirect (IntPtr StatementHandle, string StatementText, int TextLength);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLRowCount (IntPtr StatementHandle, ref int RowCount);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLNumResultCols (IntPtr StatementHandle, ref short ColumnCount);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLFetch (IntPtr StatementHandle);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLGetData (IntPtr StatementHandle, ushort ColumnNumber, SQL_C_TYPE TargetType, ref bool TargetPtr, int BufferLen, ref int Len);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLGetData (IntPtr StatementHandle, ushort ColumnNumber, SQL_C_TYPE TargetType, ref double TargetPtr, int BufferLen, ref int Len);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLGetData (IntPtr StatementHandle, ushort ColumnNumber, SQL_C_TYPE TargetType, ref long TargetPtr, int BufferLen, ref int Len);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLGetData (IntPtr StatementHandle, ushort ColumnNumber, SQL_C_TYPE TargetType, ref short TargetPtr, int BufferLen, ref int Len);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLGetData (IntPtr StatementHandle, ushort ColumnNumber, SQL_C_TYPE TargetType, ref float TargetPtr, int BufferLen, ref int Len);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLGetData (IntPtr StatementHandle, ushort ColumnNumber, SQL_C_TYPE TargetType, ref OdbcTimestamp TargetPtr, int BufferLen, ref int Len);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLGetData (IntPtr StatementHandle, ushort ColumnNumber, SQL_C_TYPE TargetType, ref int TargetPtr, int BufferLen, ref int Len);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLGetData (IntPtr StatementHandle, ushort ColumnNumber, SQL_C_TYPE TargetType, byte[] TargetPtr, int BufferLen, ref int Len);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLDescribeCol(IntPtr StatementHandle, ushort ColumnNumber, byte[] ColumnName, short BufferLength, ref short NameLength, ref short DataType, ref uint ColumnSize, ref short DecimalDigits, ref short Nullable);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLFreeHandle(ushort HandleType, IntPtr SqlHandle);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLDisconnect(IntPtr ConnectionHandle);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLPrepare(IntPtr StatementHandle, string Statement, int TextLength);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLExecute(IntPtr StatementHandle);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLSetConnectAttr(IntPtr ConnectionHandle, OdbcConnectionAttribute Attribute, IntPtr Value, int Length);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLEndTran(int HandleType, IntPtr Handle, short CompletionType);
-
- [DllImport("odbc32.dll")]
- 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);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLCancel(IntPtr StatementHandle);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLCloseCursor(IntPtr StatementHandle);
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLError(IntPtr EnvironmentHandle,\r
- IntPtr ConnectionHandle, IntPtr StatementHandle,\r
- byte[] Sqlstate, ref int NativeError,\r
- byte[] MessageText, short BufferLength,\r
- ref short TextLength);\r
-\r
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLGetStmtAttr(IntPtr StatementHandle,\r
- int Attribute, ref IntPtr Value, int BufLen, int StrLen);\r
-\r
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLSetDescField(IntPtr DescriptorHandle,\r
- short RecNumber, short FieldIdentifier, byte[] Value, int BufLen);\r
-
- [DllImport("odbc32.dll")]
- internal static extern OdbcReturn SQLGetDiagRec (OdbcHandleType HandleType,\r
- IntPtr Handle, ushort RecordNumber,\r
- byte [] Sqlstate, ref int NativeError,\r
- byte [] MessageText, short BufferLength,\r
- ref short TextLength);\r
-
- [DllImport ("odbc32.dll")]
- internal static extern OdbcReturn SQLMoreResults (IntPtr Handle);
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLAllocHandle (
+ OdbcHandleType HandleType,
+ IntPtr InputHandle,
+ ref IntPtr OutputHandlePtr);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLSetEnvAttr (
+ IntPtr EnvHandle,
+ OdbcEnv Attribute,
+ IntPtr Value,
+ int StringLength);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLConnect (
+ IntPtr ConnectionHandle,
+ string ServerName,
+ short NameLength1,
+ string UserName,
+ short NameLength2,
+ string Authentication,
+ short NameLength3);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLDriverConnect (
+ IntPtr ConnectionHandle,
+ IntPtr WindowHandle,
+ string InConnectionString,
+ short StringLength1,
+ string OutConnectionString,
+ short BufferLength,
+ ref short StringLength2Ptr,
+ ushort DriverCompletion);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLExecDirect (
+ IntPtr StatementHandle,
+ string StatementText,
+ int TextLength);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLRowCount (
+ IntPtr StatementHandle,
+ ref int RowCount);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLNumResultCols (
+ IntPtr StatementHandle,
+ ref short ColumnCount);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLFetch (
+ IntPtr StatementHandle);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLGetData (
+ IntPtr StatementHandle,
+ ushort ColumnNumber,
+ SQL_C_TYPE TargetType,
+ ref bool TargetPtr,
+ int BufferLen,
+ ref int Len);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLGetData (
+ IntPtr StatementHandle,
+ ushort ColumnNumber,
+ SQL_C_TYPE TargetType,
+ ref double TargetPtr,
+ int BufferLen,
+ ref int Len);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLGetData (
+ IntPtr StatementHandle,
+ ushort ColumnNumber,
+ SQL_C_TYPE TargetType,
+ ref long TargetPtr,
+ int BufferLen,
+ ref int Len);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLGetData (
+ IntPtr StatementHandle,
+ ushort ColumnNumber,
+ SQL_C_TYPE TargetType,
+ ref short TargetPtr,
+ int BufferLen,
+ ref int Len);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLGetData (
+ IntPtr StatementHandle,
+ ushort ColumnNumber,
+ SQL_C_TYPE TargetType,
+ ref float TargetPtr,
+ int BufferLen,
+ ref int Len);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLGetData (
+ IntPtr StatementHandle,
+ ushort ColumnNumber,
+ SQL_C_TYPE TargetType,
+ ref OdbcTimestamp TargetPtr,
+ int BufferLen,
+ ref int Len);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLGetData (
+ IntPtr StatementHandle,
+ ushort ColumnNumber,
+ SQL_C_TYPE TargetType,
+ ref int TargetPtr,
+ int BufferLen,
+ ref int Len);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLGetData (
+ IntPtr StatementHandle,
+ ushort ColumnNumber,
+ SQL_C_TYPE TargetType,
+ byte[] TargetPtr,
+ int BufferLen,
+ ref int Len);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLDescribeCol (
+ IntPtr StatementHandle,
+ ushort ColumnNumber,
+ byte[] ColumnName,
+ short BufferLength,
+ ref short NameLength,
+ ref short DataType,
+ ref uint ColumnSize,
+ ref short DecimalDigits,
+ ref short Nullable);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLFreeHandle (
+ ushort HandleType,
+ IntPtr SqlHandle);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLDisconnect (
+ IntPtr ConnectionHandle);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLPrepare (
+ IntPtr StatementHandle,
+ string Statement,
+ int TextLength);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLExecute (
+ IntPtr StatementHandle);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLGetConnectAttr (
+ IntPtr ConnectionHandle,
+ OdbcConnectionAttribute Attribute,
+ out int value,
+ int BufferLength,
+ out int StringLength);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLSetConnectAttr (
+ IntPtr ConnectionHandle,
+ OdbcConnectionAttribute Attribute,
+ IntPtr Value,
+ int Length);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLEndTran (
+ int HandleType,
+ IntPtr Handle,
+ short CompletionType);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ 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);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLCancel (
+ IntPtr StatementHandle);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLCloseCursor (
+ IntPtr StatementHandle);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLError (
+ IntPtr EnvironmentHandle,
+ IntPtr ConnectionHandle,
+ IntPtr StatementHandle,
+ byte[] Sqlstate,
+ ref int NativeError,
+ byte[] MessageText,
+ short BufferLength,
+ ref short TextLength);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLGetStmtAttr (
+ IntPtr StatementHandle,
+ int Attribute,
+ ref IntPtr Value,
+ int BufLen,
+ int StrLen);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLSetDescField (
+ IntPtr DescriptorHandle,
+ short RecNumber,
+ short FieldIdentifier,
+ byte[] Value,
+ int BufLen);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLGetDiagRec (
+ OdbcHandleType HandleType,
+ IntPtr Handle,
+ ushort RecordNumber,
+ byte [] Sqlstate,
+ ref int NativeError,
+ byte [] MessageText,
+ short BufferLength,
+ ref short TextLength);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLMoreResults (
+ IntPtr Handle);
internal enum SQLFreeStmtOptions : short
{
ResetParams
}
- [DllImport ("odbc32.dll")]
- internal static extern OdbcReturn SQLFreeStmt (IntPtr Handle, SQLFreeStmtOptions option);
-
- [DllImport ("odbc32.dll")]
- internal static extern OdbcReturn SQLGetInfo (IntPtr connHandle,
- OdbcInfo info,
- byte [] buffer,
- short buffLength,
- ref short remainingStrLen);
- [DllImport ("odbc32.dll")]
- internal static extern OdbcReturn SQLColAttribute (IntPtr StmtHandle,
- int column,
- FieldIdentifier fieldId,
- byte [] charAttributePtr,
- int bufferLength,
- ref int strLengthPtr,
- ref int numericAttributePtr
- );
- [DllImport ("odbc32.dll")]
- internal static extern OdbcReturn SQLPrimaryKeys (IntPtr StmtHandle,
- string catalog,
- int catalogLength,
- string schema,
- int schemaLength,
- string tableName,
- int tableLength
- );
-
- [DllImport ("odbc32.dll")]
- internal static extern OdbcReturn SQLStatistics (IntPtr StmtHandle,
- string catalog,
- int catalogLength,
- string schema,
- int schemaLength,
- string tableName,
- int tableLength,
- short unique,
- short Reserved
- );
-
- [DllImport ("odbc32.dll")]
- internal static extern OdbcReturn SQLBindCol (IntPtr StmtHandle,
- int column,
- SQL_C_TYPE targetType,
- byte [] buffer,
- int bufferLength,
- ref int indicator
- );
-
- [DllImport ("odbc32.dll")]
- internal static extern OdbcReturn SQLBindCol (IntPtr StmtHandle,
- int column,
- SQL_C_TYPE targetType,
- ref short value,
- int bufferLength,
- ref int indicator
- );
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLFreeStmt (
+ IntPtr Handle,
+ SQLFreeStmtOptions option);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLGetInfo (
+ IntPtr connHandle,
+ OdbcInfo info,
+ byte [] buffer,
+ short buffLength,
+ ref short remainingStrLen);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLColAttribute (
+ IntPtr StmtHandle,
+ short column,
+ FieldIdentifier fieldId,
+ byte [] charAttributePtr,
+ short bufferLength,
+ ref short strLengthPtr,
+ ref int numericAttributePtr);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLPrimaryKeys (
+ IntPtr StmtHandle,
+ string catalog,
+ short catalogLength,
+ string schema,
+ short schemaLength,
+ string tableName,
+ short tableLength);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLStatistics (
+ IntPtr StmtHandle,
+ string catalog,
+ short catalogLength,
+ string schema,
+ short schemaLength,
+ string tableName,
+ short tableLength,
+ short unique,
+ short Reserved);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLBindCol (
+ IntPtr StmtHandle,
+ short column,
+ SQL_C_TYPE targetType,
+ byte [] buffer,
+ int bufferLength,
+ ref int indicator);
+
+ [DllImport ("odbc32.dll", CharSet = CharSet.Unicode)]
+ internal static extern OdbcReturn SQLBindCol (
+ IntPtr StmtHandle,
+ short column,
+ SQL_C_TYPE targetType,
+ ref short value,
+ int bufferLength,
+ ref int indicator);
}
}
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