libreoffice/connectivity/source/drivers/firebird/FPreparedStatement.cxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include <stdio.h>
#include <osl/diagnose.h>
#include "FPreparedStatement.hxx"
#include <com/sun/star/sdbc/DataType.hpp>
#include "FResultSetMetaData.hxx"
#include "FResultSet.hxx"
#include <cppuhelper/typeprovider.hxx>
#include <com/sun/star/lang/DisposedException.hpp>
#include "propertyids.hxx"

using namespace connectivity::firebird;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::beans;
using namespace com::sun::star::sdbc;
using namespace com::sun::star::container;
using namespace com::sun::star::io;
using namespace com::sun::star::util;

typedef struct vary {
    short vary_length;
    char vary_string[1];
} VARY;

IMPLEMENT_SERVICE_INFO(OPreparedStatement,"com.sun.star.sdbcx.firebird.PreparedStatement","com.sun.star.sdbc.PreparedStatement");

/*
 *    Print the status, the SQLCODE, and exit.
 *    Also, indicate which operation the error occured on.
 */
static int pr_error (long* status, char* operation)
{
    printf("[\n");
    printf("PROBLEM ON \"%s\".\n", operation);

    isc_print_status(status);

    printf("SQLCODE:%d\n", isc_sqlcode(status));

    printf("]\n");

    return 1;
}


OPreparedStatement::OPreparedStatement( OConnection* _pConnection,const TTypeInfoVector& _TypeInfo,const ::rtl::OUString& sql)
    :OStatement_BASE2(_pConnection)
    ,m_aTypeInfo(_TypeInfo)
    ,m_bPrepared(sal_False)
    ,m_sSqlStatement(sql)
    ,m_nNumParams(0)
{
    ISC_STATUS_ARRAY status;                           // status vector
    isc_db_handle db = _pConnection->getDBHandler();   // database handle

    // enabling the XSQLDA to accommodate up to 10 select-list items (DEFAULT)
    m_OUTsqlda = (XSQLDA *)malloc(XSQLDA_LENGTH(10));
    m_OUTsqlda->version = SQLDA_VERSION1;
    m_OUTsqlda->sqln = 10;

    // enabling the XSQLDA to accommodate up to 10 parameter items (DEFAULT)
    m_INsqlda = (XSQLDA *)malloc(XSQLDA_LENGTH(10));
    m_INsqlda->version = SQLDA_VERSION1;
    m_INsqlda->sqln = 10;

    m_STMTHandler = NULL;          // Set handle to NULL before allocation.
    if (isc_dsql_allocate_statement(status, &db, &m_STMTHandler))
        if (pr_error(status, "allocate statement"))
            return;

    m_TRANSHandler = 0L; // transaction handle
    if (isc_start_transaction(status, &m_TRANSHandler, 1, &db, 0, NULL))
        if (pr_error(status, "start transaction"))
            return;

    // sets the statement handle (stmt) to refer to the parsed format.
    char *sqlStr = strdup(OUStringToOString( m_sSqlStatement, RTL_TEXTENCODING_UTF8 ).getStr());
    if (isc_dsql_prepare(status, &m_TRANSHandler, &m_STMTHandler, 0, sqlStr, 1, m_OUTsqlda))
        if (pr_error(status, "prepare statement"))
            return;
    free(sqlStr);


    // fill the input XSQLDA with information about the parameters
    if (isc_dsql_describe_bind(status, &m_STMTHandler, 1, m_INsqlda))
        if (pr_error(status, "bind statement"))
            return;

    XSQLVAR *var = NULL;
    int i, dtype;

    // determine if the input descriptor can accommodate the number of parameters
    // contained in the statement.
    if (0 == m_INsqlda->sqld)
    {
        free(m_INsqlda);
        m_INsqlda = NULL;
    }
    else
    {
        if (m_INsqlda->sqld > m_INsqlda->sqln)
        {
            int n = m_INsqlda->sqld;
            free(m_INsqlda);
            m_INsqlda = (XSQLDA *)malloc(XSQLDA_LENGTH(n));
            m_INsqlda->sqln = n;
            m_INsqlda->version = SQLDA_VERSION1;
            if (isc_dsql_describe_bind(status, &m_STMTHandler, 1, m_INsqlda))
                if (pr_error(status, "bind statement 2"))
                    return;
        }
    }

    // fill the output XSQLDA with information about the select-list items.
    if (isc_dsql_describe(status, &m_STMTHandler, 1, m_OUTsqlda))
        if (pr_error(status, "describe statement"))
            return;

    // determine if the output descriptor can accommodate the number of select-list
    // items specified in the statement.
    if (m_OUTsqlda->sqld > m_OUTsqlda->sqln)
    {
        int n = m_OUTsqlda->sqld;
        free(m_OUTsqlda);
        m_OUTsqlda = (XSQLDA *)malloc(XSQLDA_LENGTH(n));
        m_OUTsqlda->sqln = n;
        m_OUTsqlda->version = SQLDA_VERSION1;
        if (isc_dsql_describe(status, &m_STMTHandler, 1, m_OUTsqlda))
            if (pr_error(status, "describe statement 2"))
                return;
    }

    // Process each XSQLVAR parameter structure in the output XSQLDA
    for (i=0, var = m_OUTsqlda->sqlvar; i < m_OUTsqlda->sqld; i++, var++)
    {
        dtype = (var->sqltype & ~1); /* drop flag bit for now */
        switch(dtype) {
        case SQL_VARYING:
            var->sqltype = SQL_TEXT;
            var->sqldata = (char *)malloc(sizeof(char)*var->sqllen + 2);
            break;
        case SQL_TEXT:
            var->sqldata = (char *)malloc(sizeof(char)*var->sqllen);
            break;
        case SQL_LONG:
            var->sqldata = (char *)malloc(sizeof(long));
            break;
        case SQL_SHORT:
            var->sqldata = (char *)malloc(sizeof(char)*var->sqllen);
            break;
        case SQL_FLOAT:
            var->sqldata = (char *)malloc(sizeof(double));
            break;
        case SQL_DOUBLE:
            var->sqldata = (char *)malloc(sizeof(double));
            break;
        case SQL_D_FLOAT:
            var->sqldata = (char *)malloc(sizeof(double));
            break;
        case SQL_TIMESTAMP:
            var->sqldata = (char *)malloc(sizeof(time_t));
            break;
        case SQL_INT64:
            var->sqldata = (char *)malloc(sizeof(int));
            break;
            /* process remaining types */
        default:
            OSL_ASSERT( false );
            break;
        }
        if (var->sqltype & 1)
        {
            /* allocate variable to hold NULL status */
            var->sqlind = (short *)malloc(sizeof(short));
        }
    }
}

// -----------------------------------------------------------------------------
OPreparedStatement::~OPreparedStatement()
{
}
// -----------------------------------------------------------------------------
void SAL_CALL OPreparedStatement::acquire() throw()
{
    OStatement_BASE2::acquire();
}
// -----------------------------------------------------------------------------
void SAL_CALL OPreparedStatement::release() throw()
{
    OStatement_BASE2::release();
}
// -----------------------------------------------------------------------------
Any SAL_CALL OPreparedStatement::queryInterface( const Type & rType ) throw(RuntimeException)
{
    Any aRet = OStatement_BASE2::queryInterface(rType);
    if(!aRet.hasValue())
        aRet = OPreparedStatement_BASE::queryInterface(rType);
    return aRet;
}
// -------------------------------------------------------------------------
::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type > SAL_CALL OPreparedStatement::getTypes(  ) throw(::com::sun::star::uno::RuntimeException)
{
    return concatSequences(OPreparedStatement_BASE::getTypes(),OStatement_BASE2::getTypes());
}
// -------------------------------------------------------------------------

Reference< XResultSetMetaData > SAL_CALL OPreparedStatement::getMetaData(  ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

    if(!m_xMetaData.is())
        m_xMetaData = new OResultSetMetaData(getOwnConnection());
    return m_xMetaData;
}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::close(  ) throw(SQLException, RuntimeException)
{
    printf("DEBUG !!! connectivity.firebird => OPreparedStatement::close() \n");

    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);


    // Reset last warning message

    try {
        clearWarnings ();
        OStatement_BASE2::close();
    }
    catch (SQLException &) {
        // If we get an error, ignore
    }

    // Remove this Statement object from the Connection object's
    // list
}
// -------------------------------------------------------------------------

sal_Bool SAL_CALL OPreparedStatement::execute(  ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);


    // same as in statement with the difference that this statement also can contain parameter
    return sal_False;
}
// -------------------------------------------------------------------------

sal_Int32 SAL_CALL OPreparedStatement::executeUpdate(  ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

    // same as in statement with the difference that this statement also can contain parameter
    return 0;
}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setString( sal_Int32 parameterIndex, const ::rtl::OUString& x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

    if (NULL == m_INsqlda)
    {
        printf ("DEBUG !!! OPreparedStatement::setString => The query has not input parameters \n.");
        return;
    }

    OString str = OUStringToOString(x , RTL_TEXTENCODING_UTF8 );
    printf ("DEBUG !!! OPreparedStatement::setString => Setting parameter %i as: %s \n.",
            parameterIndex, str.getStr());

    XSQLVAR *var = m_INsqlda->sqlvar + (parameterIndex - 1);

    int dtype = (var->sqltype & ~1); // drop flag bit for now
    switch(dtype) {
    case SQL_VARYING:
        var->sqltype = SQL_TEXT;
    case SQL_TEXT:
        var->sqllen = str.getLength();
        var->sqldata = (char *)malloc(sizeof(char)*var->sqllen);
        sprintf(var->sqldata , "%s", str.getStr());
        break;
    default:
        OSL_ASSERT( false );
    }

    sprintf(var->sqldata , "%s", OUStringToOString(x , RTL_TEXTENCODING_UTF8 ).getStr());
}
// -------------------------------------------------------------------------

Reference< XConnection > SAL_CALL OPreparedStatement::getConnection(  ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

    return (Reference< XConnection >)m_pConnection;
}
// -------------------------------------------------------------------------

Reference< XResultSet > SAL_CALL OPreparedStatement::executeQuery(  ) throw(SQLException, RuntimeException)
{
    char *sqlStr = strdup(OUStringToOString( m_sSqlStatement, RTL_TEXTENCODING_ASCII_US ).getStr());
    printf("DEBUG !!! connectivity.firebird => OPreparedStatement::executeQuery() got called with sql: %s \n", sqlStr);
    free(sqlStr);

    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

    ISC_STATUS_ARRAY status; /* status vector */
    if (NULL != m_INsqlda)
    {
        if (isc_dsql_execute2(status, &m_TRANSHandler, &m_STMTHandler, 1, m_INsqlda, NULL))
            if (pr_error(status, "execute2 query"))
                return NULL;
    }
    else
    {
        if (isc_dsql_execute(status, &m_TRANSHandler, &m_STMTHandler, 1, NULL))
            if (pr_error(status, "execute query"))
                return NULL;
    }

    Reference< OResultSet > pResult( new OResultSet( this) );
    //initializeResultSet( pResult.get() );
    Reference< XResultSet > xRS = pResult.get();

    if (isc_commit_transaction(status, &m_TRANSHandler))
        if (pr_error(status, "start transaction"))
            return NULL;

    printf("DEBUG !!! connectivity.firebird => OPreparedStatement::executeQuery() Query executed.\n");

    return xRS;
}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setBoolean( sal_Int32 parameterIndex, sal_Bool x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------
void SAL_CALL OPreparedStatement::setByte( sal_Int32 parameterIndex, sal_Int8 x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);


}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setDate( sal_Int32 parameterIndex, const Date& aData ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------


void SAL_CALL OPreparedStatement::setTime( sal_Int32 parameterIndex, const Time& aVal ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setTimestamp( sal_Int32 parameterIndex, const DateTime& aVal ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setDouble( sal_Int32 parameterIndex, double x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}

// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setFloat( sal_Int32 parameterIndex, float x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setInt( sal_Int32 parameterIndex, sal_Int32 x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setLong( sal_Int32 parameterIndex, sal_Int64 aVal ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setNull( sal_Int32 parameterIndex, sal_Int32 sqlType ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setClob( sal_Int32 parameterIndex, const Reference< XClob >& x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setBlob( sal_Int32 parameterIndex, const Reference< XBlob >& x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setArray( sal_Int32 parameterIndex, const Reference< XArray >& x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setRef( sal_Int32 parameterIndex, const Reference< XRef >& x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setObjectWithInfo( sal_Int32 parameterIndex, const Any& x, sal_Int32 sqlType, sal_Int32 scale ) throw(SQLException, RuntimeException)
{
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);
    ::osl::MutexGuard aGuard( m_aMutex );

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setObjectNull( sal_Int32 parameterIndex, sal_Int32 sqlType, const ::rtl::OUString& typeName ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setObject( sal_Int32 parameterIndex, const Any& x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setShort( sal_Int32 parameterIndex, sal_Int16 x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setBytes( sal_Int32 parameterIndex, const Sequence< sal_Int8 >& x ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------


void SAL_CALL OPreparedStatement::setCharacterStream( sal_Int32 parameterIndex, const Reference< ::com::sun::star::io::XInputStream >& x, sal_Int32 length ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::setBinaryStream( sal_Int32 parameterIndex, const Reference< ::com::sun::star::io::XInputStream >& x, sal_Int32 length ) throw(SQLException, RuntimeException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    checkDisposed(OStatement_BASE::rBHelper.bDisposed);

}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::clearParameters(  ) throw(SQLException, RuntimeException)
{
}
// -------------------------------------------------------------------------
void SAL_CALL OPreparedStatement::clearBatch(  ) throw(SQLException, RuntimeException)
{
}
// -------------------------------------------------------------------------

void SAL_CALL OPreparedStatement::addBatch( ) throw(SQLException, RuntimeException)
{
}
// -------------------------------------------------------------------------

Sequence< sal_Int32 > SAL_CALL OPreparedStatement::executeBatch(  ) throw(SQLException, RuntimeException)
{
    return Sequence< sal_Int32 > ();
}
// -------------------------------------------------------------------------
void OPreparedStatement::setFastPropertyValue_NoBroadcast(sal_Int32 nHandle,const Any& rValue) throw (Exception)
{
    switch(nHandle)
    {
        case PROPERTY_ID_RESULTSETCONCURRENCY:
            break;
        case PROPERTY_ID_RESULTSETTYPE:
            break;
        case PROPERTY_ID_FETCHDIRECTION:
            break;
        case PROPERTY_ID_USEBOOKMARKS:
            break;
        default:
            OStatement_Base::setFastPropertyValue_NoBroadcast(nHandle,rValue);
    }
}
// -----------------------------------------------------------------------------
void OPreparedStatement::checkParameterIndex(sal_Int32 _parameterIndex)
{
    if( !_parameterIndex || _parameterIndex > m_nNumParams)
        throw SQLException();
}
// -----------------------------------------------------------------------------


/* vim:set shiftwidth=4 softtabstop=4 expandtab: */