// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#include <sqldb.h>					//RSqlColumnReadStream, RSqlParamWriteStream

#include "SqlStatementImpl.h"		//CSqlStatementImpl

////////////////////////////////////////////////////////////////////////////////////////////////////

/////////////////////         RSqlColumnReadStream              ////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////////////////////////

/**

Gives access to column data as a read-only stream of characters,

The function can only be used for text and binary column types.

@param aStmt        The RSqlStatement object to which the referred column belongs.

@param aColumnIndex The index value identifying the column; this is 0 for the first column.

@return KErrNone, the text column data stream has been opened successfully;

        KErrNoMemory, an out of memory condition occurred;

        KErrArgument, the column type is neither text nor binary.

                      Note that database specific errors categorised as ESqlDbError, and

                      other system-wide error codes may also be returned.

@capability None

*/

EXPORT_C TInt RSqlColumnReadStream::ColumnText(RSqlStatement& aStmt, TInt aColumnIndex)

	{

	SQLUTRACE_PROFILER(this);

	SYMBIAN_TRACE_SQL_EVENTS_ONLY(UTF::Printf(UTF::TTraceContext(UTF::EInternals), KHexIntParam, &aStmt, aColumnIndex));

	TRAPD(err, Attach(aStmt.Impl().ColumnSourceL(aColumnIndex)));

	return err;

	}

/**

Gives access to column data as a read-only stream of bytes.

The function can only be used for text and binary column types.

@param aStmt        The RSqlStatement object to which the referred column belongs.

@param aColumnIndex The index value identifying the column; this is 0 for the first column.

@return KErrNone, the text column data stream has been opened successfully;

        KErrNoMemory, an out of memory condition occurred;

        KErrArgument, the column type is neither text nor binary.

                      Note that database specific errors categorised as ESqlDbError, and

                      other system-wide error codes may also be returned.

@capability None

*/

EXPORT_C TInt RSqlColumnReadStream::ColumnBinary(RSqlStatement& aStmt, TInt aColumnIndex)

	{

	SQLUTRACE_PROFILER(this);

	SYMBIAN_TRACE_SQL_EVENTS_ONLY(UTF::Printf(UTF::TTraceContext(UTF::EInternals), KHexIntParam, &aStmt, aColumnIndex));

	TRAPD(err, Attach(aStmt.Impl().ColumnSourceL(aColumnIndex)));

	return err;

	}

/**

Gives access to column data as a read-only stream of characters,

The function can only be used for text and binary column types.

@param aStmt        The RSqlStatement object to which the referred column belongs.

@param aColumnIndex The index value identifying the column; this is 0 for the first column.

@leave  KErrNoMemory, an out of memory condition occurred;

        KErrArgument, the column type is neither text nor binary.

                      Note that database specific errors categorised as ESqlDbError, and

                      other system-wide error codes may also be returned.

@capability None

*/

EXPORT_C void RSqlColumnReadStream::ColumnTextL(RSqlStatement& aStmt, TInt aColumnIndex)

	{

	SQLUTRACE_PROFILER(this);

	SYMBIAN_TRACE_SQL_EVENTS_ONLY(UTF::Printf(UTF::TTraceContext(UTF::EInternals), KHexIntParam, &aStmt, aColumnIndex));

	Attach(aStmt.Impl().ColumnSourceL(aColumnIndex));

	}

/**

Gives access to column data as a read-only stream of bytes.

The function can only be used for text and binary column types.

@param aStmt        The RSqlStatement object to which the referred column belongs.

@param aColumnIndex The index value identifying the column; this is 0 for the first column.

@leave  KErrNoMemory, an out of memory condition occurred;

        KErrArgument, the column type is neither text nor binary.

                      Note that database specific errors categorised as ESqlDbError, and

                      other system-wide error codes may also be returned.

@capability None

*/

EXPORT_C void RSqlColumnReadStream::ColumnBinaryL(RSqlStatement& aStmt, TInt aColumnIndex)

	{

	SQLUTRACE_PROFILER(this);

	SYMBIAN_TRACE_SQL_EVENTS_ONLY(UTF::Printf(UTF::TTraceContext(UTF::EInternals), KHexIntParam, &aStmt, aColumnIndex));

	Attach(aStmt.Impl().ColumnSourceL(aColumnIndex));

	}

////////////////////////////////////////////////////////////////////////////////////////////////////

/////////////////////         RSqlParamWriteStream              ////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////////////////////////

/**

Gives access to parameter data as a stream of characters.

NB You need to close the stream after the execution of the statement operation for

which the parameter is set (RSqlStatement::Next() or RSqlStatement::Exec()).

@param aStmt           The RSqlStatement object to which the referred parameter belongs.

@param aParameterIndex The index value identifying the parameter; this is 0 for the first parameter.

@return KErrNone, the binary parameter data stream has been opened successfully;

        KErrNoMemory, an out of memory condition occurred.

                      Note that database specific errors categorised as ESqlDbError, and

                      other system-wide error codes may also be returned.

@see RSqlStatement::Next()

@see RSqlStatement::Exec()

@capability None

*/

EXPORT_C TInt RSqlParamWriteStream::BindText(RSqlStatement& aStmt, TInt aParameterIndex)

	{

	SQLUTRACE_PROFILER(this);

	SYMBIAN_TRACE_SQL_EVENTS_ONLY(UTF::Printf(UTF::TTraceContext(UTF::EInternals), KHexIntParam, &aStmt, aParameterIndex));

	TRAPD(err, Attach(aStmt.Impl().ParamSinkL(ESqlSrvStmtTxtParamSink16, aParameterIndex)));

	return err;

	}

/**

Gives access to parameter data as a stream of bytes.

NB You need to close the stream after the execution of the statement operation for

which the parameter is set (RSqlStatement::Next() or RSqlStatement::Exec()).

@param aStmt           The RSqlStatement object to which the referred parameter belongs.

@param aParameterIndex The index value identifying the parameter; this is 0 for the first parameter.

@return KErrNone, the binary parameter data stream has been opened successfully;

        KErrNoMemory, an out of memory condition occurred.

                      Note that database specific errors categorised as ESqlDbError, and

                      other system-wide error codes may also be returned.

@see RSqlStatement::Next()

@see RSqlStatement::Exec()

@capability None

*/

EXPORT_C TInt RSqlParamWriteStream::BindBinary(RSqlStatement& aStmt, TInt aParameterIndex)

	{

	SQLUTRACE_PROFILER(this);

	SYMBIAN_TRACE_SQL_EVENTS_ONLY(UTF::Printf(UTF::TTraceContext(UTF::EInternals), KHexIntParam, &aStmt, aParameterIndex));

	TRAPD(err, Attach(aStmt.Impl().ParamSinkL(ESqlSrvStmtBinParamSink, aParameterIndex)));

	return err;

	}

/**

Gives access to parameter data as a stream of characters.

NB You need to close the stream after the execution of the statement operation for

which the parameter is set (RSqlStatement::Next() or RSqlStatement::Exec()).

@param aStmt           The RSqlStatement object to which the referred parameter belongs.

@param aParameterIndex The index value identifying the parameter; this is 0 for the first parameter.

@leave KErrNoMemory, an out of memory condition occurred.

                      Note that database specific errors categorised as ESqlDbError, and

                      other system-wide error codes may also be returned.

@see RSqlStatement::Next()

@see RSqlStatement::Exec()

@capability None

*/

EXPORT_C void RSqlParamWriteStream::BindTextL(RSqlStatement& aStmt, TInt aParameterIndex)

	{

	SQLUTRACE_PROFILER(this);

	SYMBIAN_TRACE_SQL_EVENTS_ONLY(UTF::Printf(UTF::TTraceContext(UTF::EInternals), KHexIntParam, &aStmt, aParameterIndex));

	Attach(aStmt.Impl().ParamSinkL(ESqlSrvStmtTxtParamSink16, aParameterIndex));

	}

/**

Gives access to parameter data as a stream of bytes.

NB You need to close the stream after the execution of the statement operation for

which the parameter is set (RSqlStatement::Next() or RSqlStatement::Exec()).

@param aStmt           The RSqlStatement object to which the referred parameter belongs.

@param aParameterIndex The index value identifying the parameter; this is 0 for the first parameter.

@leave KErrNoMemory, an out of memory condition occurred.

                      Note that database specific errors categorised as ESqlDbError, and

                      other system-wide error codes may also be returned.

@see RSqlStatement::Next()

@see RSqlStatement::Exec()

@capability None

*/

EXPORT_C void RSqlParamWriteStream::BindBinaryL(RSqlStatement& aStmt, TInt aParameterIndex)

	{

	SQLUTRACE_PROFILER(this);

	SYMBIAN_TRACE_SQL_EVENTS_ONLY(UTF::Printf(UTF::TTraceContext(UTF::EInternals), KHexIntParam, &aStmt, aParameterIndex));

	Attach(aStmt.Impl().ParamSinkL(ESqlSrvStmtBinParamSink, aParameterIndex));

	}