コード例 #1
0
static
void OGR2SQLITE_ST_AsText(sqlite3_context* pContext,
                          int argc, sqlite3_value** argv)
{
    OGRGeometry* poGeom = OGR2SQLITE_GetGeom(pContext, argc, argv, NULL);
    if( poGeom != NULL )
    {
        char* pszWKT = NULL;
        if( poGeom->exportToWkt(&pszWKT) == OGRERR_NONE )
            sqlite3_result_text( pContext, pszWKT, -1, CPLFree);
        else
            sqlite3_result_null (pContext);
        delete poGeom;
    }
    else
        sqlite3_result_null (pContext);
}
コード例 #2
0
OGRErr OGRMSSQLSpatialTableLayer::CreateFeature( OGRFeature *poFeature )

{
    GetLayerDefn();

    if( NULL == poFeature )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "NULL pointer to OGRFeature passed to CreateFeature()." );
        return OGRERR_FAILURE;
    }
    
    ClearStatement();

    CPLODBCStatement oStatement( poDS->GetSession() );

    /* the fid values are retieved from the source layer */
    if( poFeature->GetFID() != OGRNullFID && pszFIDColumn != NULL )
        oStatement.Appendf("SET IDENTITY_INSERT [%s].[%s] ON;", pszSchemaName, pszTableName );

/* -------------------------------------------------------------------- */
/*      Form the INSERT command.                                        */
/* -------------------------------------------------------------------- */

    oStatement.Appendf( "INSERT INTO [%s].[%s] (", pszSchemaName, pszTableName );

    OGRMSSQLGeometryValidator oValidator(poFeature->GetGeometryRef());
    OGRGeometry *poGeom = oValidator.GetValidGeometryRef();

    if (poFeature->GetGeometryRef() != poGeom)
    {
        CPLError( CE_Warning, CPLE_NotSupported,
                  "Geometry with FID = %ld has been modified.", poFeature->GetFID() );
    }

    int bNeedComma = FALSE;

    if (poGeom != NULL && pszGeomColumn != NULL)
    {
        oStatement.Append( pszGeomColumn );
        bNeedComma = TRUE;
    }

    if( poFeature->GetFID() != OGRNullFID && pszFIDColumn != NULL )
    {
        if (bNeedComma)
            oStatement.Appendf( ", [%s]", pszFIDColumn );
        else
        {
            oStatement.Appendf( "[%s]", pszFIDColumn );
            bNeedComma = TRUE;
        }
    }

    int nFieldCount = poFeatureDefn->GetFieldCount();
    int i;
    for( i = 0; i < nFieldCount; i++ )
    {
        if( !poFeature->IsFieldSet( i ) )
            continue;

        if (bNeedComma)
            oStatement.Appendf( ", [%s]", poFeatureDefn->GetFieldDefn(i)->GetNameRef() );
        else
        {
            oStatement.Appendf( "[%s]", poFeatureDefn->GetFieldDefn(i)->GetNameRef() );
            bNeedComma = TRUE;
        }
    }

    oStatement.Appendf( ") VALUES (" );

    /* Set the geometry */
    bNeedComma = FALSE;
    if(poGeom != NULL && pszGeomColumn != NULL)
    {
        char    *pszWKT = NULL;
    
        //poGeom->setCoordinateDimension( nCoordDimension );

        poGeom->exportToWkt( &pszWKT );

        if( pszWKT != NULL && (nGeomColumnType == MSSQLCOLTYPE_GEOMETRY 
            || nGeomColumnType == MSSQLCOLTYPE_GEOGRAPHY))
        {
            if (nGeomColumnType == MSSQLCOLTYPE_GEOGRAPHY)
            {
                oStatement.Append( "geography::STGeomFromText(" );
                OGRMSSQLAppendEscaped(&oStatement, pszWKT);
                oStatement.Appendf(",%d)", nSRSId );
            }
            else
            {
                oStatement.Append( "geometry::STGeomFromText(" );
                OGRMSSQLAppendEscaped(&oStatement, pszWKT);
                oStatement.Appendf(",%d).MakeValid()", nSRSId );
            }     
        }
        else
            oStatement.Append( "null" );

        bNeedComma = TRUE;
        CPLFree(pszWKT);
    }

    /* Set the FID */
    if( poFeature->GetFID() != OGRNullFID && pszFIDColumn != NULL )
    {
        if (bNeedComma)
            oStatement.Appendf( ", %ld", poFeature->GetFID() );
        else
        {
            oStatement.Appendf( "%ld", poFeature->GetFID() );
            bNeedComma = TRUE;
        }
    }

    for( i = 0; i < nFieldCount; i++ )
    {
        if( !poFeature->IsFieldSet( i ) )
            continue;

        if (bNeedComma)
            oStatement.Append( ", " );
        else
            bNeedComma = TRUE;

        AppendFieldValue(&oStatement, poFeature, i);
    }

    oStatement.Append( ");" );

    if( poFeature->GetFID() != OGRNullFID && pszFIDColumn != NULL )
        oStatement.Appendf("SET IDENTITY_INSERT [%s].[%s] OFF;", pszSchemaName, pszTableName );

/* -------------------------------------------------------------------- */
/*      Execute the insert.                                             */
/* -------------------------------------------------------------------- */
    
    if( !oStatement.ExecuteSQL() )
    {
        CPLError( CE_Failure, CPLE_AppDefined, 
                  "INSERT command for new feature failed. %s", 
                   poDS->GetSession()->GetLastError() );

        return OGRERR_FAILURE;
    }

    return OGRERR_NONE;
}
コード例 #3
0
OGRErr OGRMSSQLSpatialTableLayer::SetFeature( OGRFeature *poFeature )

{
    OGRErr              eErr = OGRERR_FAILURE;

    GetLayerDefn();

    if( NULL == poFeature )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "NULL pointer to OGRFeature passed to SetFeature()." );
        return eErr;
    }

    if( poFeature->GetFID() == OGRNullFID )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "FID required on features given to SetFeature()." );
        return eErr;
    }

    if( !pszFIDColumn )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Unable to update features in tables without\n"
                  "a recognised FID column.");
        return eErr;

    }
    
    ClearStatement();

/* -------------------------------------------------------------------- */
/*      Form the UPDATE command.                                        */
/* -------------------------------------------------------------------- */
    CPLODBCStatement oStmt( poDS->GetSession() );
            
    oStmt.Appendf( "UPDATE [%s].[%s] SET ", pszSchemaName, pszTableName);

    OGRMSSQLGeometryValidator oValidator(poFeature->GetGeometryRef());
    OGRGeometry *poGeom = oValidator.GetValidGeometryRef();

    if (poFeature->GetGeometryRef() != poGeom)
    {
        CPLError( CE_Warning, CPLE_NotSupported,
                  "Geometry with FID = %ld has been modified.", poFeature->GetFID() );
    }

    int bNeedComma = FALSE;
    if(pszGeomColumn != NULL)
    {
        char    *pszWKT = NULL;

        if (poGeom != NULL)
            poGeom->exportToWkt( &pszWKT );

        oStmt.Appendf( "[%s] = ", pszGeomColumn );

        if( pszWKT != NULL && (nGeomColumnType == MSSQLCOLTYPE_GEOMETRY 
            || nGeomColumnType == MSSQLCOLTYPE_GEOGRAPHY))
        {
            if (nGeomColumnType == MSSQLCOLTYPE_GEOGRAPHY)
            {
                oStmt.Append( "geography::STGeomFromText(" );
                OGRMSSQLAppendEscaped(&oStmt, pszWKT);
                oStmt.Appendf(",%d)", nSRSId );
            }
            else
            {
                oStmt.Append( "geometry::STGeomFromText(" );
                OGRMSSQLAppendEscaped(&oStmt, pszWKT);
                oStmt.Appendf(",%d).MakeValid()", nSRSId );
            }
        }
        else
            oStmt.Append( "null" );

        bNeedComma = TRUE;
        CPLFree(pszWKT);
    }

    int nFieldCount = poFeatureDefn->GetFieldCount();
    int i;
    for( i = 0; i < nFieldCount; i++ )
    {
        if (bNeedComma)
            oStmt.Appendf( ", [%s] = ", poFeatureDefn->GetFieldDefn(i)->GetNameRef() );
        else
        {
            oStmt.Appendf( "[%s] = ", poFeatureDefn->GetFieldDefn(i)->GetNameRef() );
            bNeedComma = TRUE;
        }

        if( !poFeature->IsFieldSet( i ) )
            oStmt.Append( "null" );
        else
            AppendFieldValue(&oStmt, poFeature, i);
    }

    /* Add the WHERE clause */
    oStmt.Appendf( " WHERE [%s] = %ld" , pszFIDColumn, poFeature->GetFID());

/* -------------------------------------------------------------------- */
/*      Execute the update.                                             */
/* -------------------------------------------------------------------- */

    if( !oStmt.ExecuteSQL() )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
            "Error updating feature with FID:%ld, %s", poFeature->GetFID(), 
                    poDS->GetSession()->GetLastError() );

        return OGRERR_FAILURE;
    }
    
    return OGRERR_NONE;
}
コード例 #4
0
CPLString OGRPLScenesLayer::BuildURL(int nFeatures)
{
    CPLString osURL = osBaseURL + CPLSPrintf("?count=%d", nFeatures);

    if( bAcquiredAscending == 1 )
        osURL += "&order_by=acquired%20asc";
    else if( bAcquiredAscending == 0 )
        osURL += "&order_by=acquired%20desc";
    
    if( m_poFilterGeom != NULL || poMainFilter != NULL )
    {
        OGRGeometry* poIntersection = NULL;
        OGRGeometry* poFilterGeom = m_poFilterGeom;
        if( poFilterGeom ) 
        {
            OGREnvelope sEnvelope;
            poFilterGeom->getEnvelope(&sEnvelope);
            if( sEnvelope.MinX <= -180 && sEnvelope.MinY <= -90 &&
                sEnvelope.MaxX >= 180 && sEnvelope.MaxY >= 90 )
                poFilterGeom = NULL;
        }

        if( poFilterGeom && poMainFilter )
            poIntersection = poFilterGeom->Intersection(poMainFilter);
        else if( poFilterGeom )
            poIntersection = poFilterGeom; 
        else if( poMainFilter )
            poIntersection = poMainFilter;
        if( poIntersection )
        {
            char* pszWKT = NULL;
            OGREnvelope sEnvelope;
            poIntersection->getEnvelope(&sEnvelope);
            if( sEnvelope.MinX == sEnvelope.MaxX && sEnvelope.MinY == sEnvelope.MaxY )
            {
                pszWKT = CPLStrdup(CPLSPrintf("POINT(%.18g %.18g)",
                                            sEnvelope.MinX, sEnvelope.MinY));
            }
            else
                poIntersection->exportToWkt(&pszWKT);

            osURL += "&intersects=";
            char* pszWKTEscaped = CPLEscapeString(pszWKT, -1, CPLES_URL);
            osURL += pszWKTEscaped;
            CPLFree(pszWKTEscaped);
            CPLFree(pszWKT);
        }
        if( poIntersection != m_poFilterGeom && poIntersection != poMainFilter  )
            delete poIntersection;
    }

    if( osFilterURLPart.size() )
    {
        if( osFilterURLPart[0] == '&' )
            osURL += osFilterURLPart;
        else
            osURL = osBaseURL + osFilterURLPart;
    }

    return osURL;
}
コード例 #5
0
ファイル: ogrcsvlayer.cpp プロジェクト: imincik/pkg-gdal
OGRErr OGRCSVLayer::CreateFeature( OGRFeature *poNewFeature )

{
    int iField;

    if( !bInWriteMode )
    {
        CPLError( CE_Failure, CPLE_AppDefined, 
            "The CreateFeature() operation is not permitted on a read-only CSV." );
        return OGRERR_FAILURE;
    }

    /* If we need rewind, it means that we have just written a feature before */
    /* so there's no point seeking to the end of the file, as we're already */
    /* at the end */
    int bNeedSeekEnd = !bNeedRewindBeforeRead;

    bNeedRewindBeforeRead = TRUE;

/* -------------------------------------------------------------------- */
/*      Write field names if we haven't written them yet.               */
/*      Write .csvt file if needed                                      */
/* -------------------------------------------------------------------- */
    if( bNew )
    {
        OGRErr eErr = WriteHeader();
        if (eErr != OGRERR_NONE)
            return eErr;
        bNeedSeekEnd = FALSE;
    }

    if (fpCSV == NULL)
        return OGRERR_FAILURE;

/* -------------------------------------------------------------------- */
/*      Make sure we are at the end of the file.                        */
/* -------------------------------------------------------------------- */
    if (bNeedSeekEnd)
    {
        if (bFirstFeatureAppendedDuringSession)
        {
            /* Add a newline character to the end of the file if necessary */
            bFirstFeatureAppendedDuringSession = FALSE;
            VSIFSeekL( fpCSV, 0, SEEK_END );
            VSIFSeekL( fpCSV, VSIFTellL(fpCSV) - 1, SEEK_SET);
            char chLast;
            VSIFReadL( &chLast, 1, 1, fpCSV );
            VSIFSeekL( fpCSV, 0, SEEK_END );
            if (chLast != '\n')
            {
                if( bUseCRLF )
                    VSIFPutcL( 13, fpCSV );
                VSIFPutcL( '\n', fpCSV );
            }
        }
        else
        {
            VSIFSeekL( fpCSV, 0, SEEK_END );
        }
    }

/* -------------------------------------------------------------------- */
/*      Write out the geometry                                          */
/* -------------------------------------------------------------------- */
    if (eGeometryFormat == OGR_CSV_GEOM_AS_WKT)
    {
        OGRGeometry     *poGeom = poNewFeature->GetGeometryRef();
        char* pszWKT = NULL;
        if (poGeom && poGeom->exportToWkt(&pszWKT) == OGRERR_NONE)
        {
            VSIFPrintfL( fpCSV, "\"%s\"", pszWKT);
        }
        else
        {
            VSIFPrintfL( fpCSV, "\"\"");
        }
        CPLFree(pszWKT);
        if (poFeatureDefn->GetFieldCount() > 0)
            VSIFPrintfL( fpCSV, "%c", chDelimiter);
    }
    else if (eGeometryFormat == OGR_CSV_GEOM_AS_XYZ ||
             eGeometryFormat == OGR_CSV_GEOM_AS_XY ||
             eGeometryFormat == OGR_CSV_GEOM_AS_YX)
    {
        OGRGeometry     *poGeom = poNewFeature->GetGeometryRef();
        if (poGeom && wkbFlatten(poGeom->getGeometryType()) == wkbPoint)
        {
            OGRPoint* poPoint = (OGRPoint*) poGeom;
            char szBuffer[75];
            if (eGeometryFormat == OGR_CSV_GEOM_AS_XYZ )
                OGRMakeWktCoordinate(szBuffer, poPoint->getX(), poPoint->getY(), poPoint->getZ(), 3);
            else if (eGeometryFormat == OGR_CSV_GEOM_AS_XY )
                OGRMakeWktCoordinate(szBuffer, poPoint->getX(), poPoint->getY(), 0, 2);
            else
                OGRMakeWktCoordinate(szBuffer, poPoint->getY(), poPoint->getX(), 0, 2);
            char* pc = szBuffer;
            while(*pc != '\0')
            {
                if (*pc == ' ')
                    *pc = chDelimiter;
                pc ++;
            }
            VSIFPrintfL( fpCSV, "%s", szBuffer );
        }
        else
        {
            VSIFPrintfL( fpCSV, "%c", chDelimiter );
            if (eGeometryFormat == OGR_CSV_GEOM_AS_XYZ)
                VSIFPrintfL( fpCSV, "%c", chDelimiter );
        }
        if (poFeatureDefn->GetFieldCount() > 0)
            VSIFPrintfL( fpCSV, "%c", chDelimiter );
    }

/* -------------------------------------------------------------------- */
/*      Write out all the field values.                                 */
/* -------------------------------------------------------------------- */
    int bNonEmptyLine = FALSE;
    for( iField = 0; iField < poFeatureDefn->GetFieldCount(); iField++ )
    {
        char *pszEscaped;
        
        if( iField > 0 )
            VSIFPrintfL( fpCSV, "%c", chDelimiter );
        
        if (poFeatureDefn->GetFieldDefn(iField)->GetType() == OFTReal)
        {
            pszEscaped = CPLStrdup(poNewFeature->GetFieldAsString(iField));
            /* Use point as decimal separator */
            char* pszComma = strchr(pszEscaped, ',');
            if (pszComma)
                *pszComma = '.';
        }
        else
        {
            pszEscaped =
                CPLEscapeString( poNewFeature->GetFieldAsString(iField),
                                -1, CPLES_CSV );
        }

        int nLen = (int)strlen(pszEscaped);
        bNonEmptyLine |= (nLen != 0);
        VSIFWriteL( pszEscaped, 1, nLen, fpCSV );
        CPLFree( pszEscaped );
    }

    if(  poFeatureDefn->GetFieldCount() == 1 && !bNonEmptyLine )
        VSIFPrintfL( fpCSV, "%c", chDelimiter );

    if( bUseCRLF )
        VSIFPutcL( 13, fpCSV );
    VSIFPutcL( '\n', fpCSV );

    return OGRERR_NONE;
}
コード例 #6
0
OGRErr OGRPGDumpLayer::CreateFeatureViaInsert( OGRFeature *poFeature )

{
    CPLString           osCommand;
    int                 i = 0;
    int                 bNeedComma = FALSE;
    OGRErr              eErr = OGRERR_FAILURE;
    int bEmptyInsert = FALSE;

    if( NULL == poFeature )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "NULL pointer to OGRFeature passed to CreateFeatureViaInsert()." );
        return eErr;
    }

    /* -------------------------------------------------------------------- */
    /*      Form the INSERT command.                                        */
    /* -------------------------------------------------------------------- */
    osCommand.Printf( "INSERT INTO %s (", pszSqlTableName );

    for(i = 0; i < poFeatureDefn->GetGeomFieldCount(); i++ )
    {
        OGRGeometry *poGeom = poFeature->GetGeomFieldRef(i);
        if( poGeom != NULL )
        {
            if( bNeedComma )
                osCommand += ", ";

            OGRGeomFieldDefn* poGFldDefn = poFeature->GetGeomFieldDefnRef(i);
            osCommand = osCommand + OGRPGDumpEscapeColumnName(poGFldDefn->GetNameRef()) + " ";
            bNeedComma = TRUE;
        }
    }

    if( poFeature->GetFID() != OGRNullFID && pszFIDColumn != NULL )
    {
        if( bNeedComma )
            osCommand += ", ";

        osCommand = osCommand + OGRPGDumpEscapeColumnName(pszFIDColumn) + " ";
        bNeedComma = TRUE;
    }

    for( i = 0; i < poFeatureDefn->GetFieldCount(); i++ )
    {
        if( !poFeature->IsFieldSet( i ) )
            continue;

        if( !bNeedComma )
            bNeedComma = TRUE;
        else
            osCommand += ", ";

        osCommand = osCommand
                    + OGRPGDumpEscapeColumnName(poFeatureDefn->GetFieldDefn(i)->GetNameRef());
    }

    if (!bNeedComma)
        bEmptyInsert = TRUE;

    osCommand += ") VALUES (";

    /* Set the geometry */
    bNeedComma = FALSE;
    for(i = 0; i < poFeatureDefn->GetGeomFieldCount(); i++ )
    {
        OGRGeometry *poGeom = poFeature->GetGeomFieldRef(i);
        if( poGeom != NULL )
        {
            char    *pszWKT = NULL;

            OGRPGDumpGeomFieldDefn* poGFldDefn =
                (OGRPGDumpGeomFieldDefn*) poFeature->GetGeomFieldDefnRef(i);

            poGeom->closeRings();
            poGeom->setCoordinateDimension( poGFldDefn->nCoordDimension );

            if( bNeedComma )
                osCommand += ", ";

            if( bWriteAsHex )
            {
                char* pszHex = OGRGeometryToHexEWKB( poGeom, poGFldDefn->nSRSId );
                osCommand += "'";
                if (pszHex)
                    osCommand += pszHex;
                osCommand += "'";
                CPLFree(pszHex);
            }
            else
            {
                poGeom->exportToWkt( &pszWKT );

                if( pszWKT != NULL )
                {
                    osCommand +=
                        CPLString().Printf(
                            "GeomFromEWKT('SRID=%d;%s'::TEXT) ", poGFldDefn->nSRSId, pszWKT );
                    OGRFree( pszWKT );
                }
                else
                    osCommand += "''";
            }

            bNeedComma = TRUE;
        }
    }

    /* Set the FID */
    if( poFeature->GetFID() != OGRNullFID && pszFIDColumn != NULL )
    {
        if( bNeedComma )
            osCommand += ", ";
        osCommand += CPLString().Printf( "%ld ", poFeature->GetFID() );
        bNeedComma = TRUE;
    }


    for( i = 0; i < poFeatureDefn->GetFieldCount(); i++ )
    {
        if( !poFeature->IsFieldSet( i ) )
            continue;

        if( bNeedComma )
            osCommand += ", ";
        else
            bNeedComma = TRUE;

        AppendFieldValue(osCommand, poFeature, i);
    }

    osCommand += ")";

    if (bEmptyInsert)
        osCommand.Printf( "INSERT INTO %s DEFAULT VALUES", pszSqlTableName );

    /* -------------------------------------------------------------------- */
    /*      Execute the insert.                                             */
    /* -------------------------------------------------------------------- */
    poDS->Log(osCommand);

    return OGRERR_NONE;
}
コード例 #7
0
OGRErr OGRSQLiteTableLayer::CreateFeature( OGRFeature *poFeature )

{
    sqlite3 *hDB = poDS->GetDB();
    CPLString      osCommand;
    CPLString      osValues;
    int            bNeedComma = FALSE;

    if (bSpatialiteReadOnly || !poDS->GetUpdate())
    {
        CPLError( CE_Failure, CPLE_NotSupported,
                  "Can't create feature on a read-only layer.");
        return OGRERR_FAILURE;
    }

    ResetReading();

/* -------------------------------------------------------------------- */
/*      Form the INSERT command.                                        */
/* -------------------------------------------------------------------- */
    osCommand += CPLSPrintf( "INSERT INTO '%s' (", pszEscapedTableName );

/* -------------------------------------------------------------------- */
/*      Add FID if we have a cleartext FID column.                      */
/* -------------------------------------------------------------------- */
    if( pszFIDColumn != NULL // && !EQUAL(pszFIDColumn,"OGC_FID") 
        && poFeature->GetFID() != OGRNullFID )
    {
        osCommand += pszFIDColumn;

        osValues += CPLSPrintf( "%ld", poFeature->GetFID() );
        bNeedComma = TRUE;
    }

/* -------------------------------------------------------------------- */
/*      Add geometry.                                                   */
/* -------------------------------------------------------------------- */
    OGRGeometry *poGeom = poFeature->GetGeometryRef();

    if( osGeomColumn.size() != 0 &&
        poGeom != NULL &&
        eGeomFormat != OSGF_FGF )
    {

        if( bNeedComma )
        {
            osCommand += ",";
            osValues += ",";
        }

        osCommand += osGeomColumn;

        osValues += "?";

        bNeedComma = TRUE;
    }

/* -------------------------------------------------------------------- */
/*      Add field values.                                               */
/* -------------------------------------------------------------------- */
    int iField;
    int nFieldCount = poFeatureDefn->GetFieldCount();

    for( iField = 0; iField < nFieldCount; iField++ )
    {
        if( !poFeature->IsFieldSet( iField ) )
            continue;

        if( bNeedComma )
        {
            osCommand += ",";
            osValues += ",";
        }

        osCommand += "'";
        osCommand +=poFeatureDefn->GetFieldDefn(iField)->GetNameRef();
        osCommand += "'";

        osValues += "?";

        bNeedComma = TRUE;
    }

/* -------------------------------------------------------------------- */
/*      Merge final command.                                            */
/* -------------------------------------------------------------------- */
    osCommand += ") VALUES (";
    osCommand += osValues;
    osCommand += ")";

/* -------------------------------------------------------------------- */
/*      Prepare the statement.                                          */
/* -------------------------------------------------------------------- */
    int rc;
    sqlite3_stmt *hInsertStmt;

#ifdef DEBUG
    CPLDebug( "OGR_SQLITE", "prepare(%s)", osCommand.c_str() );
#endif

    rc = sqlite3_prepare( hDB, osCommand, -1, &hInsertStmt, NULL );
    if( rc != SQLITE_OK )
    {
        CPLError( CE_Failure, CPLE_AppDefined, 
                  "In CreateFeature(): sqlite3_prepare(%s):\n  %s", 
                  osCommand.c_str(), sqlite3_errmsg(hDB) );

        return OGRERR_FAILURE;
    }

/* -------------------------------------------------------------------- */
/*      Bind the geometry                                               */
/* -------------------------------------------------------------------- */
    int nBindField = 1;

    if( osGeomColumn.size() != 0 &&
        poGeom != NULL &&
        eGeomFormat != OSGF_FGF )
    {
        if ( eGeomFormat == OSGF_WKT )
        {
            char *pszWKT = NULL;
            poGeom->exportToWkt( &pszWKT );
            rc = sqlite3_bind_text( hInsertStmt, nBindField++, pszWKT, -1, CPLFree );
        }
        else if( eGeomFormat == OSGF_WKB )
        {
            int nWKBLen = poGeom->WkbSize();
            GByte *pabyWKB = (GByte *) CPLMalloc(nWKBLen + 1);

            poGeom->exportToWkb( wkbNDR, pabyWKB );
            rc = sqlite3_bind_blob( hInsertStmt, nBindField++, pabyWKB, nWKBLen, CPLFree );
        }
        else if ( eGeomFormat == OSGF_SpatiaLite )
        {
            int     nBLOBLen;
            GByte   *pabySLBLOB;

            ExportSpatiaLiteGeometry( poGeom, nSRSId, wkbNDR, bHasM, 
                                      bSpatialite2D, &pabySLBLOB, &nBLOBLen );
            rc = sqlite3_bind_blob( hInsertStmt, nBindField++, pabySLBLOB,
                                    nBLOBLen, CPLFree );
        }
        else
        {
            CPLAssert(0);
        }

        if( rc != SQLITE_OK )
        {
            CPLError( CE_Failure, CPLE_AppDefined, 
                      "sqlite3_bind_blob/text() failed:\n  %s", 
                      sqlite3_errmsg(hDB) );
            
            sqlite3_finalize( hInsertStmt );
            return OGRERR_FAILURE;
        }
    }
    
/* -------------------------------------------------------------------- */
/*      Bind field values.                                              */
/* -------------------------------------------------------------------- */
    
    for( iField = 0; iField < nFieldCount; iField++ )
    {
        const char *pszRawValue;

        if( !poFeature->IsFieldSet( iField ) )
            continue;

        switch( poFeatureDefn->GetFieldDefn(iField)->GetType() )
        {
            case OFTInteger:
            {
                int nFieldVal = poFeature->GetFieldAsInteger( iField );
                rc = sqlite3_bind_int(hInsertStmt, nBindField++, nFieldVal);
                break;
            }
            
            case OFTReal:
            {
                double dfFieldVal = poFeature->GetFieldAsDouble( iField );
                rc = sqlite3_bind_double(hInsertStmt, nBindField++, dfFieldVal);
                break;
            }
            
            case OFTBinary:
            {
                int nDataLength = 0;
                GByte* pabyData =
                    poFeature->GetFieldAsBinary( iField, &nDataLength );
                rc = sqlite3_bind_blob(hInsertStmt, nBindField++,
                                       pabyData, nDataLength, SQLITE_TRANSIENT);
                break;
            }
            
            default:
            {
                pszRawValue = poFeature->GetFieldAsString( iField );
                rc = sqlite3_bind_text(hInsertStmt, nBindField++,
                                       pszRawValue, -1, SQLITE_TRANSIENT);
                break;
            }
        }
        
        if( rc != SQLITE_OK )
        {
            CPLError( CE_Failure, CPLE_AppDefined, 
                      "sqlite3_bind_() for column %s failed:\n  %s", 
                      poFeatureDefn->GetFieldDefn(iField)->GetNameRef(),
                      sqlite3_errmsg(hDB) );
            
            sqlite3_finalize( hInsertStmt );
            return OGRERR_FAILURE;
        }
    }

/* -------------------------------------------------------------------- */
/*      Execute the insert.                                             */
/* -------------------------------------------------------------------- */
    rc = sqlite3_step( hInsertStmt );

    if( rc != SQLITE_OK && rc != SQLITE_DONE )
    {
        CPLError( CE_Failure, CPLE_AppDefined, 
                  "sqlite3_step() failed:\n  %s", 
                  sqlite3_errmsg(hDB) );
                  
        sqlite3_finalize( hInsertStmt );
        return OGRERR_FAILURE;
    }

/* -------------------------------------------------------------------- */
/*      Capture the FID/rowid.                                          */
/* -------------------------------------------------------------------- */
    const sqlite_int64 nFID = sqlite3_last_insert_rowid( hDB );
    if(nFID > 0)
    {
        poFeature->SetFID( (long)nFID ); /* Possible truncation if nFID is 64bit */
    }

    sqlite3_finalize( hInsertStmt );

    return OGRERR_NONE;
}
コード例 #8
0
OGRErr OGRMySQLTableLayer::CreateFeature( OGRFeature *poFeature )

{
    MYSQL_RES           *hResult=NULL;
    CPLString           osCommand;
    int                 i, bNeedComma = FALSE;

/* -------------------------------------------------------------------- */
/*      Form the INSERT command.                                        */
/* -------------------------------------------------------------------- */
    osCommand.Printf( "INSERT INTO `%s` (", poFeatureDefn->GetName() );

    if( poFeature->GetGeometryRef() != NULL )
    {
        osCommand = osCommand + "`" + pszGeomColumn + "` ";
        bNeedComma = TRUE;
    }

    if( poFeature->GetFID() != OGRNullFID && pszFIDColumn != NULL )
    {
        if( bNeedComma )
            osCommand += ", ";
        
        osCommand = osCommand + "`" + pszFIDColumn + "` ";
        bNeedComma = TRUE;
    }

    for( i = 0; i < poFeatureDefn->GetFieldCount(); i++ )
    {
        if( !poFeature->IsFieldSet( i ) )
            continue;

        if( !bNeedComma )
            bNeedComma = TRUE;
        else
            osCommand += ", ";

        osCommand = osCommand + "`"
             + poFeatureDefn->GetFieldDefn(i)->GetNameRef() + "`";
    }

    osCommand += ") VALUES (";

    // Set the geometry 
    bNeedComma = poFeature->GetGeometryRef() != NULL;
    if( poFeature->GetGeometryRef() != NULL)
    {
        char    *pszWKT = NULL;

        if( poFeature->GetGeometryRef() != NULL )
        {
            OGRGeometry *poGeom = (OGRGeometry *) poFeature->GetGeometryRef();
            
            poGeom->closeRings();
            poGeom->flattenTo2D();
            poGeom->exportToWkt( &pszWKT );
        }

        if( pszWKT != NULL )
        {

            osCommand += 
                CPLString().Printf(
                    "GeometryFromText('%s',%d) ", pszWKT, nSRSId );

            OGRFree( pszWKT );
        }
        else
            osCommand += "''";
    }


    // Set the FID 
    if( poFeature->GetFID() != OGRNullFID && pszFIDColumn != NULL )
    {
        if( bNeedComma )
            osCommand += ", ";
        osCommand += CPLString().Printf( "%ld ", poFeature->GetFID() );
        bNeedComma = TRUE;
    }

    for( i = 0; i < poFeatureDefn->GetFieldCount(); i++ )
    {
        if( !poFeature->IsFieldSet( i ) )
            continue;

        if( bNeedComma )
            osCommand += ", ";
        else
            bNeedComma = TRUE;

        const char *pszStrValue = poFeature->GetFieldAsString(i);

        if( poFeatureDefn->GetFieldDefn(i)->GetType() != OFTInteger
                 && poFeatureDefn->GetFieldDefn(i)->GetType() != OFTReal
                 && poFeatureDefn->GetFieldDefn(i)->GetType() != OFTBinary )
        {
            int         iChar;

            //We need to quote and escape string fields. 
            osCommand += "'";

            for( iChar = 0; pszStrValue[iChar] != '\0'; iChar++ )
            {
                if( poFeatureDefn->GetFieldDefn(i)->GetType() != OFTIntegerList
                    && poFeatureDefn->GetFieldDefn(i)->GetType() != OFTRealList
                    && poFeatureDefn->GetFieldDefn(i)->GetWidth() > 0
                    && iChar == poFeatureDefn->GetFieldDefn(i)->GetWidth() )
                {
                    CPLDebug( "MYSQL",
                              "Truncated %s field value, it was too long.",
                              poFeatureDefn->GetFieldDefn(i)->GetNameRef() );
                    break;
                }

                if( pszStrValue[iChar] == '\\'
                    || pszStrValue[iChar] == '\'' )
                {
                    osCommand += '\\';
                    osCommand += pszStrValue[iChar];
                }
                else
                    osCommand += pszStrValue[iChar];
            }

            osCommand += "'";
        }
        else if( poFeatureDefn->GetFieldDefn(i)->GetType() == OFTBinary )
        {
            int binaryCount = 0;
            GByte* binaryData = poFeature->GetFieldAsBinary(i, &binaryCount);
            char* pszHexValue = CPLBinaryToHex( binaryCount, binaryData );

            osCommand += "x'";
            osCommand += pszHexValue;
            osCommand += "'";

            CPLFree( pszHexValue );
        }
        else
        {
            osCommand += pszStrValue;
        }

    }

    osCommand += ")";
    
    int nQueryResult = mysql_query(poDS->GetConn(), osCommand.c_str() );
    const my_ulonglong nFID = mysql_insert_id( poDS->GetConn() );
    
    if( nQueryResult ){   
        int eErrorCode = mysql_errno(poDS->GetConn());
        if (eErrorCode == 1153) {//ER_NET_PACKET_TOO_LARGE)
            poDS->ReportError("CreateFeature failed because the MySQL server " \
                              "cannot read the entire query statement.  Increase " \
                              "the size of statements your server will allow by " \
                              "altering the 'max_allowed_packet' parameter in "\
                              "your MySQL server configuration.");
        }
        else
        {
        CPLDebug("MYSQL","Error number %d", eErrorCode);
            poDS->ReportError(  osCommand.c_str() );
        }

        // make sure to attempt to free results
        hResult = mysql_store_result( poDS->GetConn() );
        if( hResult != NULL )
            mysql_free_result( hResult );
        hResult = NULL;
            
        return OGRERR_FAILURE;   
    }

    if( nFID > 0 ) {
        poFeature->SetFID( nFID );
    }

    // make sure to attempt to free results of successful queries
    hResult = mysql_store_result( poDS->GetConn() );
    if( hResult != NULL )
        mysql_free_result( hResult );
    hResult = NULL;
    
    return OGRERR_NONE;

}
コード例 #9
0
ファイル: qgsshapefile.cpp プロジェクト: netconstructor/qgis
bool QgsShapeFile::insertLayer(QString dbname, QString schema, QString geom_col, QString srid, PGconn * conn, QProgressDialog * pro, bool &fin){
  connect(pro, SIGNAL(cancelled()), this, SLOT(cancelImport()));
  import_cancelled = false;
  bool result = true;

  QString query = "CREATE TABLE "+schema+"."+table_name+"(gid int4 PRIMARY KEY, ";
  for(int n=0; n<column_names.size() && result; n++){
    if(!column_names[n][0].isLetter())
      result = false;
		char * esc_str = new char[column_names[n].length()*2+1];
		PQescapeString(esc_str, (const char *)column_names[n].lower(), column_names[n].length());
    query += esc_str;
    query += " ";
    query += column_types[n];
    if(n<column_names.size()-1)
      query += ", ";
		delete[] esc_str;
  }
  query += " )";
  
  PGresult *res = PQexec(conn, (const char *)query);
  qWarning(query);
  if(PQresultStatus(res)!=PGRES_COMMAND_OK){
    // flag error and send query and error message to stdout on debug
    result = false;
    qWarning(PQresultErrorMessage(res));
  }
  else {
    PQclear(res);
  }
	
  query = "SELECT AddGeometryColumn(\'" + dbname + "\', \'" + table_name + "\', \'"+geom_col+"\', " + srid +
    ", \'" + geom_type + "\', 2)";            
  if(result) res = PQexec(conn, (const char *)query);
  if(PQresultStatus(res)!=PGRES_TUPLES_OK){
    result = false;    
  }
  else{
  	qWarning(query);
  	qWarning(PQresultErrorMessage(res));
  	PQclear(res);
  }

  //adding the data into the table
  for(int m=0;m<features && result; m++){
    if(import_cancelled){
      fin = true;
      break;
    }
    
    OGRFeature *feat = ogrLayer->GetNextFeature();
    if(feat){
      OGRGeometry *geom = feat->GetGeometryRef();
      if(geom){
        query = "INSERT INTO "+schema+"."+table_name+QString(" VALUES( %1, ").arg(m);
        
        int num = geom->WkbSize();
        char * geo_temp = new char[num*3];
        geom->exportToWkt(&geo_temp);
        QString geometry(geo_temp);

        QString quotes;
        for(int n=0; n<column_types.size(); n++){
          if(column_types[n] == "int" || column_types[n] == "float")
            quotes = " ";
          else
            quotes = "\'";
          query += quotes;
          
          // escape the string value
          QString val = feat->GetFieldAsString(n);
					char * esc_str = new char[val.length()*2+1];
					PQescapeString(esc_str, (const char *)val.lower(), val.length());
          
          // add escaped value to the query 
          query += esc_str;
          query += QString(quotes + ", ");
					
					delete[] esc_str;
        }
        query += QString("GeometryFromText(\'")+geometry+QString("\', ")+srid+QString("))");
        
        if(result)
          res = PQexec(conn, (const char *)query);
        if(PQresultStatus(res)!=PGRES_COMMAND_OK){
          // flag error and send query and error message to stdout on debug
          result = false;
          qWarning(PQresultErrorMessage(res));
        }
        else {
           PQclear(res);
        }
        
        pro->setProgress(pro->progress()+1);
        qApp->processEvents();
        delete[] geo_temp;
      }
      delete feat;
    }
  }
  ogrLayer->ResetReading();
  return result;
}
コード例 #10
0
ファイル: ogridbtablelayer.cpp プロジェクト: Wedjaa/node-gdal
OGRErr OGRIDBTableLayer::ICreateFeature( OGRFeature *poFeature )
{
    OGRErr eErr(OGRERR_FAILURE);

    if ( ! bUpdateAccess )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Error create feature. Layer is read only." );
        return eErr;
    }

    if( NULL == poFeature )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "NULL pointer to OGRFeature passed to CreateFeature()." );
        return eErr;
    }

    if( poFeature->GetFID() != OGRNullFID && pszFIDColumn == NULL )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "FID ignored on feature given to CreateFeature(). Unknown FID column." );
        return eErr;
    }

    int bUpdateGeom = TRUE;
    CPLString osGeomFunc;

    if ( poFeature->GetGeometryRef() )
    {
        OGRwkbGeometryType nGeomType = poFeature->GetGeometryRef()->getGeometryType();

        switch (nGeomType)
        {
            case wkbPoint:
                osGeomFunc = "ST_PointFromText";
                break;
            case wkbLineString:
                osGeomFunc = "ST_LineFromText";
                break;
            case wkbPolygon:
                osGeomFunc = "ST_PolyFromText";
                break;
            case wkbMultiPoint:
                osGeomFunc = "ST_MPointFromText";
                break;
            case wkbMultiLineString:
                osGeomFunc = "ST_MLineFromText";
                break;
            case wkbMultiPolygon:
                osGeomFunc = "ST_MPolyFromText";
                break;
            default:
                bUpdateGeom = FALSE;
                CPLDebug("OGR_IDB", "SetFeature(): Unknown geometry type. Geometry will not be updated.");
        }
    }
    else
        bUpdateGeom = FALSE;

    // Create query
    CPLString osSql;
    CPLString osFields;
    CPLString osValues;

    if ( pszGeomColumn && bUpdateGeom )
    {
        OGRGeometry * poGeom = poFeature->GetGeometryRef();
        char * wkt;
        poGeom->exportToWkt( &wkt );

        osFields += pszGeomColumn;
        osValues.Printf( "%s( '%s', %d )", osGeomFunc.c_str(), wkt, nSRSId );

        CPLFree( wkt );
    }

    for( int i = 0; i < poFeatureDefn->GetFieldCount(); i++ )
    {
        const char * pszFieldName = poFeatureDefn->GetFieldDefn(i)->GetNameRef();

        // Skip NULL fields
        if ( ! poFeature->IsFieldSet( i ) )
        {
            continue;
        }

        if ( ! osFields.empty() )
        {
            osFields += ",";
            osValues += ",";
        }

        osFields += pszFieldName;

        CPLString osVal;

        switch ( poFeatureDefn->GetFieldDefn( i )->GetType() )
        {
            case OFTInteger:
                osVal.Printf( "%d", poFeature->GetFieldAsInteger( i ) );
                break;

            case OFTReal:
                if ( poFeatureDefn->GetFieldDefn( i )->GetPrecision() )
                {
                    // have a decimal format width.precision
                    CPLString osFormatString;
                    osFormatString.Printf( "%%%d.%df",
                                           poFeatureDefn->GetFieldDefn( i )->GetWidth(),
                                           poFeatureDefn->GetFieldDefn( i )->GetPrecision() );
                    osVal.Printf( osFormatString.c_str(), poFeature->GetFieldAsDouble( i ) );
                }
                else
                    osVal.Printf( "%f", poFeature->GetFieldAsDouble( i ) );
                break;

            case OFTIntegerList:
            case OFTRealList:
            case OFTStringList:
                // FIXME Prepare array of values field
                //cv->ConvertFrom( poFeature->GetFieldAsStringList( i ) );
                //break;

            case OFTBinary:
                // FIXME Prepare binary field

            case OFTString:
            case OFTDate:
            case OFTTime:
            case OFTDateTime:
            default:
                osVal.Printf( "'%s'", poFeature->GetFieldAsString( i ) );
                break;
        }
        osValues += osVal;
    }

    osSql.Printf( "INSERT INTO %s (%s) VALUES (%s)",
                  poFeatureDefn->GetName(),
                  osFields.c_str(),
                  osValues.c_str() );

    ITStatement oQuery( *poDS->GetConnection() );

    if ( ! oQuery.Prepare( osSql.c_str() ) )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Error prepare SQL.\n%s",osSql.c_str() );
        return eErr;
    }

    CPLDebug( "OGR_IDB", "Exec(%s)", oQuery.QueryText().Data() );
    if( !oQuery.Exec() )
    {
        CPLError( CE_Failure, CPLE_AppDefined, "Error create Feature.");
        return eErr;
    }

    ITQuery oFidQuery( *poDS->GetConnection() );
    osSql.Printf( "SELECT MAX(%s) from %s", pszFIDColumn, poFeatureDefn->GetName() );

    CPLDebug( "OGR_IDB", "Exec(%s)", osSql.c_str() );

    ITRow * row = oFidQuery.ExecOneRow( osSql.c_str() );
    if( ! row || row->NumColumns() < 1 )
    {
        CPLError( CE_Failure, CPLE_AppDefined, "Error create Feature.");
        return eErr;
    }

    int fid = atoi( row->Column(0)->Printable() );

    if ( fid > 0 )
        poFeature->SetFID( fid );
    else
    {
        CPLError( CE_Failure, CPLE_AppDefined, "Error create Feature. Unable to get new fid" );
        return eErr;
    }

    return OGRERR_NONE;
}
コード例 #11
0
ファイル: ogridbtablelayer.cpp プロジェクト: Wedjaa/node-gdal
OGRErr OGRIDBTableLayer::ISetFeature( OGRFeature *poFeature )
{
    OGRErr eErr(OGRERR_FAILURE);

    if ( ! bUpdateAccess )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Error update feature. Layer is read only." );
        return eErr;
    }

    if( NULL == poFeature )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "NULL pointer to OGRFeature passed to SetFeature()." );
        return eErr;
    }

    if( poFeature->GetFID() == OGRNullFID )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "FID required on features given to SetFeature()." );
        return eErr;
    }

    ITStatement oQuery( *poDS->GetConnection() );

    int bUpdateGeom = TRUE;
    CPLString osGeomFunc;

    if ( poFeature->GetGeometryRef() )
    {
        OGRwkbGeometryType nGeomType = poFeature->GetGeometryRef()->getGeometryType();

        switch (nGeomType)
        {
            case wkbPoint:
                osGeomFunc = "ST_PointFromText";
                break;
            case wkbLineString:
                osGeomFunc = "ST_LineFromText";
                break;
            case wkbPolygon:
                osGeomFunc = "ST_PolyFromText";
                break;
            case wkbMultiPoint:
                osGeomFunc = "ST_MPointFromText";
                break;
            case wkbMultiLineString:
                osGeomFunc = "ST_MLineFromText";
                break;
            case wkbMultiPolygon:
                osGeomFunc = "ST_MPolyFromText";
                break;
            default:
                bUpdateGeom = FALSE;
                CPLDebug("OGR_IDB", "SetFeature(): Unknown geometry type. Geometry will not be updated.");
        }
    }
    else
        bUpdateGeom = FALSE;


    // Create query
    CPLString osSql;
    CPLString osFields;

    if ( pszGeomColumn && bUpdateGeom )
    {
        OGRGeometry * poGeom = poFeature->GetGeometryRef();
        char * wkt;
        poGeom->exportToWkt( &wkt );

        osFields.Printf( "%s = %s( '%s', %d )", pszGeomColumn, osGeomFunc.c_str(), wkt, nSRSId );

        CPLFree( wkt );
    }

    for( int i = 0; i < poFeatureDefn->GetFieldCount(); i++ )
    {
        const char * pszFieldName = poFeatureDefn->GetFieldDefn(i)->GetNameRef();

        // skip fid column from update
        if ( EQUAL( pszFIDColumn, pszFieldName ) )
            continue;

        if ( ! osFields.empty() )
        {
            osFields += ",";
        }

        osFields += pszFieldName;
        osFields += "=";

        if ( ! poFeature->IsFieldSet( i ) )
        {
            osFields += "NULL";
            continue;
        }

        CPLString osVal;

        switch ( poFeatureDefn->GetFieldDefn( i )->GetType() )
        {
            case OFTInteger:
                osVal.Printf( "%d", poFeature->GetFieldAsInteger( i ) );
                break;

            case OFTReal:
                if ( poFeatureDefn->GetFieldDefn( i )->GetPrecision() )
                {
                    // have a decimal format width.precision
                    CPLString osFormatString;
                    osFormatString.Printf( "%%%d.%df",
                                           poFeatureDefn->GetFieldDefn( i )->GetWidth(),
                                           poFeatureDefn->GetFieldDefn( i )->GetPrecision() );
                    osVal.Printf( osFormatString.c_str(), poFeature->GetFieldAsDouble( i ) );
                }
                else
                    osVal.Printf( "%f", poFeature->GetFieldAsDouble( i ) );
                break;

            case OFTIntegerList:
            case OFTRealList:
            case OFTStringList:
                // FIXME Prepare array of values field
                //cv->ConvertFrom( poFeature->GetFieldAsStringList( i ) );
                //break;

            case OFTBinary:
                // FIXME Prepare binary field

            case OFTString:
            case OFTDate:
            case OFTTime:
            case OFTDateTime:
            default:
                osVal.Printf( "'%s'", poFeature->GetFieldAsString( i ) );
                break;
        }
        osFields += osVal;
    }

    osSql.Printf( "UPDATE %s SET %s WHERE %s = %d",
                  poFeatureDefn->GetName(),
                  osFields.c_str(),
                  pszFIDColumn,
                  poFeature->GetFID() );

    if ( ! oQuery.Prepare( osSql.c_str() ) )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Error prepare SQL.\n%s",osSql.c_str() );
        return eErr;
    }

    CPLDebug( "OGR_IDB", "Exec(%s)", oQuery.QueryText().Data() );
    if( !oQuery.Exec() )
    {
        CPLError( CE_Failure, CPLE_AppDefined, "Error update Feature.");
        return eErr;
    }

    return OGRERR_NONE;
}
コード例 #12
0
ファイル: ogridbtablelayer.cpp プロジェクト: Wedjaa/node-gdal
OGRErr OGRIDBTableLayer::ISetFeature( OGRFeature *poFeature )
{
    OGRErr eErr(OGRERR_FAILURE);

    if ( ! bUpdateAccess )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Error update feature. Layer is read only." );
        return eErr;
    }

    if( NULL == poFeature )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "NULL pointer to OGRFeature passed to SetFeature()." );
        return eErr;
    }

    if( poFeature->GetFID() == OGRNullFID )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "FID required on features given to SetFeature()." );
        return eErr;
    }

    ITStatement oQuery( *poDS->GetConnection() );

    int bUpdateGeom = TRUE;
    OGRwkbGeometryType nGeomType = poFeature->GetGeometryRef()->getGeometryType();
    CPLString osGeomFunc;
    int nSrid = 0; // FIXME Obtain geometry SRID

    switch (nGeomType)
    {
        case wkbPoint:
            osGeomFunc = "ST_PointFromText";
            break;
        case wkbLineString:
            osGeomFunc = "ST_LineFromText";
            break;
        case wkbPolygon:
            osGeomFunc = "ST_PolyFromText";
            break;
        case wkbMultiPoint:
            osGeomFunc = "ST_MPointFromText";
            break;
        case wkbMultiLineString:
            osGeomFunc = "ST_MLineFromText";
            break;
        case wkbMultiPolygon:
            osGeomFunc = "ST_MPolyFromText";
            break;
        default:
            bUpdateGeom = FALSE;
            CPLDebug("OGR_IDB", "SetFeature(): Unknown geometry type. Geometry will not be updated.");
    }


    // Create query
    CPLString osSql;
    CPLString osFields;

    if ( pszGeomColumn && bUpdateGeom )
    {
        osFields.Printf( "%s = %s( ?, %d )", pszGeomColumn, osGeomFunc.c_str(), nSrid );
    }

    for( int i = 0; i < poFeatureDefn->GetFieldCount(); i++ )
    {
        const char * pszFieldName = poFeatureDefn->GetFieldDefn(i)->GetNameRef();

        // skip fid column from update
        if ( EQUAL( pszFIDColumn, pszFieldName ) )
            continue;

        if ( ! osFields.empty() )
        {
            osFields += ",";
        }

        osFields += pszFieldName;
        osFields += "=?";
    }

    osSql.Printf( "UPDATE %s SET %s WHERE %s = %d",
                  poFeatureDefn->GetName(),
                  osFields.c_str(),
                  pszFIDColumn,
                  poFeature->GetFID() );

    if ( ! oQuery.Prepare( osSql.c_str() ) )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Error prepare SQL.\n%s",osSql.c_str() );
        return eErr;
    }

    int iParam = 0;

    if ( pszGeomColumn && bUpdateGeom )
    {
        ITValue * par = oQuery.Param( iParam ); // it should be a geom value
        if ( ! par )
        {
            CPLError( CE_Failure, CPLE_AppDefined,
                      "Error prepare geom param");
            return eErr;
        }

        OGRGeometry * poGeom = poFeature->GetGeometryRef();
        char * wkt;
        poGeom->exportToWkt( &wkt );

        if( ! par->FromPrintable( wkt ) )
        {
            CPLError( CE_Failure, CPLE_AppDefined,
                      "Error prepare geom param");
            par->Release();
            return eErr;
        }

        CPLFree( wkt );
        par->Release();

        iParam++;
    }

    for ( int i = 0; i < poFeatureDefn->GetFieldCount(); i++ )
    {
        ITValue * par = oQuery.Param( iParam );
        if ( ! par )
        {
            CPLError( CE_Failure, CPLE_AppDefined,
                      "Error prepare param %d", iParam);
            return eErr;
        }

        if ( ! poFeature->IsFieldSet( i ) )
        {
            if ( ! par->SetNull() )
            {
                CPLError( CE_Failure, CPLE_AppDefined,
                        "Error set param %d to NULL", iParam);
                par->Release();
                return eErr;
            }
            par->Release();
            continue;
        }

        ITConversions * cv = 0;
        bool res = FALSE;

        if ( par->QueryInterface( ITConversionsIID, (void **) &cv) !=
             IT_QUERYINTERFACE_SUCCESS )
        {
            CPLError( CE_Failure, CPLE_AppDefined,
                    "Error prepare param %d", iParam);
            par->Release();
            return eErr;
        }

        switch ( poFeatureDefn->GetFieldDefn( i )->GetType() )
        {
            case OFTInteger:
                res = cv->ConvertFrom( poFeature->GetFieldAsInteger( i ) );
                break;

            case OFTReal:
                res = cv->ConvertFrom( poFeature->GetFieldAsDouble( i ) );
                break;

            case OFTIntegerList:
            case OFTRealList:
            case OFTStringList:
                // FIXME Prepare array of values field
                //cv->ConvertFrom( poFeature->GetFieldAsStringList( i ) );
                //break;

            case OFTBinary:
                // FIXME Prepare binary field

            case OFTString:
            case OFTDate:
            case OFTTime:
            case OFTDateTime:
                res = cv->ConvertFrom( poFeature->GetFieldAsString( i ) );
                break;
            default:
                CPLError( CE_Failure, CPLE_AppDefined,
                        "Error prepare param %d. Unknown data type.", iParam);
                cv->Release();
                par->Release();
                return eErr;
        }
        if ( res != TRUE )
            CPLError( CE_Failure, CPLE_AppDefined,
                      "Error prepare param.");
        cv->Release();
        par->Release();
    }

    CPLDebug( "OGR_IDB", "ExecuteSQL(%s)", oQuery.QueryText().Data() );
    if( !oQuery.Exec() )
    {
        CPLError( CE_Failure, CPLE_AppDefined, "Error update Feature.");
        return eErr;
    }

    return OGRERR_NONE;
}
コード例 #13
0
ファイル: ogrcsvlayer.cpp プロジェクト: Joe-xXx/gdal
OGRErr OGRCSVLayer::CreateFeature( OGRFeature *poNewFeature )

{
    int iField;

    if( !bInWriteMode )
    {
        CPLError( CE_Failure, CPLE_AppDefined, 
            "The CreateFeature() operation is not permitted on a read-only CSV." );
        return OGRERR_FAILURE;
    }

    /* If we need rewind, it means that we have just written a feature before */
    /* so there's no point seeking to the end of the file, as we're already */
    /* at the end */
    int bNeedSeekEnd = !bNeedRewindBeforeRead;

    bNeedRewindBeforeRead = TRUE;

/* -------------------------------------------------------------------- */
/*      Write field names if we haven't written them yet.               */
/*      Write .csvt file if needed                                      */
/* -------------------------------------------------------------------- */
    if( !bHasFieldNames )
    {
      bHasFieldNames = TRUE;
      bNeedSeekEnd = FALSE;

      for(int iFile=0;iFile<((bCreateCSVT) ? 2 : 1);iFile++)
      {
        VSILFILE* fpCSVT = NULL;
        if (bCreateCSVT && iFile == 0)
        {
            char* pszDirName = CPLStrdup(CPLGetDirname(pszFilename));
            char* pszBaseName = CPLStrdup(CPLGetBasename(pszFilename));
            fpCSVT = VSIFOpenL(CPLFormFilename(pszDirName, pszBaseName, ".csvt"), "wb");
            CPLFree(pszDirName);
            CPLFree(pszBaseName);
        }
        else
        {
            if( strncmp(pszFilename, "/vsistdout/", 11) == 0 ||
                strncmp(pszFilename, "/vsizip/", 8) == 0 )
                fpCSV = VSIFOpenL( pszFilename, "wb" );
            else
                fpCSV = VSIFOpenL( pszFilename, "w+b" );

            if( fpCSV == NULL )
            {
                CPLError( CE_Failure, CPLE_OpenFailed,
                        "Failed to create %s:\n%s",
                        pszFilename, VSIStrerror( errno ) );

                return NULL;
            }
        }

        if (eGeometryFormat == OGR_CSV_GEOM_AS_WKT)
        {
            if (fpCSV) VSIFPrintfL( fpCSV, "%s", "WKT");
            if (fpCSVT) VSIFPrintfL( fpCSVT, "%s", "String");
            if (poFeatureDefn->GetFieldCount() > 0)
            {
                if (fpCSV) VSIFPrintfL( fpCSV, "%c", chDelimiter );
                if (fpCSVT) VSIFPrintfL( fpCSVT, "%s", ",");
            }
        }
        else if (eGeometryFormat == OGR_CSV_GEOM_AS_XYZ)
        {
            if (fpCSV) VSIFPrintfL( fpCSV, "X%cY%cZ", chDelimiter, chDelimiter);
            if (fpCSVT) VSIFPrintfL( fpCSVT, "%s", "Real,Real,Real");
            if (poFeatureDefn->GetFieldCount() > 0)
            {
                if (fpCSV) VSIFPrintfL( fpCSV, "%c", chDelimiter );
                if (fpCSVT) VSIFPrintfL( fpCSVT, "%s", ",");
            }
        }
        else if (eGeometryFormat == OGR_CSV_GEOM_AS_XY)
        {
            if (fpCSV) VSIFPrintfL( fpCSV, "X%cY", chDelimiter);
            if (fpCSVT) VSIFPrintfL( fpCSVT, "%s", "Real,Real");
            if (poFeatureDefn->GetFieldCount() > 0)
            {
                if (fpCSV) VSIFPrintfL( fpCSV, "%c", chDelimiter );
                if (fpCSVT) VSIFPrintfL( fpCSVT, "%s", ",");
            }
        }
        else if (eGeometryFormat == OGR_CSV_GEOM_AS_YX)
        {
            if (fpCSV) VSIFPrintfL( fpCSV, "Y%cX", chDelimiter);
            if (fpCSVT) VSIFPrintfL( fpCSVT, "%s", "Real,Real");
            if (poFeatureDefn->GetFieldCount() > 0)
            {
                if (fpCSV) VSIFPrintfL( fpCSV, "%c", chDelimiter );
                if (fpCSVT) VSIFPrintfL( fpCSVT, "%s", ",");
            }
        }

        for( iField = 0; iField < poFeatureDefn->GetFieldCount(); iField++ )
        {
            char *pszEscaped;

            if( iField > 0 )
            {
                if (fpCSV) VSIFPrintfL( fpCSV, "%c", chDelimiter );
                if (fpCSVT) VSIFPrintfL( fpCSVT, "%s", ",");
            }

            pszEscaped = 
                CPLEscapeString( poFeatureDefn->GetFieldDefn(iField)->GetNameRef(), 
                                 -1, CPLES_CSV );

            if (fpCSV) VSIFPrintfL( fpCSV, "%s", pszEscaped );
            CPLFree( pszEscaped );

            if (fpCSVT)
            {
                switch( poFeatureDefn->GetFieldDefn(iField)->GetType() )
                {
                    case OFTInteger:  VSIFPrintfL( fpCSVT, "%s", "Integer"); break;
                    case OFTReal:     VSIFPrintfL( fpCSVT, "%s", "Real"); break;
                    case OFTDate:     VSIFPrintfL( fpCSVT, "%s", "Date"); break;
                    case OFTTime:     VSIFPrintfL( fpCSVT, "%s", "Time"); break;
                    case OFTDateTime: VSIFPrintfL( fpCSVT, "%s", "DateTime"); break;
                    default:          VSIFPrintfL( fpCSVT, "%s", "String"); break;
                }

                int nWidth = poFeatureDefn->GetFieldDefn(iField)->GetWidth();
                int nPrecision = poFeatureDefn->GetFieldDefn(iField)->GetPrecision();
                if (nWidth != 0)
                {
                    if (nPrecision != 0)
                        VSIFPrintfL( fpCSVT, "(%d.%d)", nWidth, nPrecision);
                    else
                        VSIFPrintfL( fpCSVT, "(%d)", nWidth);
                }
            }
        }
        if( bUseCRLF )
        {
            if (fpCSV) VSIFPutcL( 13, fpCSV );
            if (fpCSVT) VSIFPutcL( 13, fpCSVT );
        }
        if (fpCSV) VSIFPutcL( '\n', fpCSV );
        if (fpCSVT) VSIFPutcL( '\n', fpCSVT );
        if (fpCSVT) VSIFCloseL(fpCSVT);
      }
    }

    if (fpCSV == NULL)
        return OGRERR_FAILURE;

/* -------------------------------------------------------------------- */
/*      Make sure we are at the end of the file.                        */
/* -------------------------------------------------------------------- */
    if (bNeedSeekEnd)
    {
        if (bFirstFeatureAppendedDuringSession)
        {
            /* Add a newline character to the end of the file if necessary */
            bFirstFeatureAppendedDuringSession = FALSE;
            VSIFSeekL( fpCSV, 0, SEEK_END );
            VSIFSeekL( fpCSV, VSIFTellL(fpCSV) - 1, SEEK_SET);
            char chLast;
            VSIFReadL( &chLast, 1, 1, fpCSV );
            VSIFSeekL( fpCSV, 0, SEEK_END );
            if (chLast != '\n')
            {
                if( bUseCRLF )
                    VSIFPutcL( 13, fpCSV );
                VSIFPutcL( '\n', fpCSV );
            }
        }
        else
        {
            VSIFSeekL( fpCSV, 0, SEEK_END );
        }
    }

/* -------------------------------------------------------------------- */
/*      Write out the geometry                                          */
/* -------------------------------------------------------------------- */
    if (eGeometryFormat == OGR_CSV_GEOM_AS_WKT)
    {
        OGRGeometry     *poGeom = poNewFeature->GetGeometryRef();
        char* pszWKT = NULL;
        if (poGeom && poGeom->exportToWkt(&pszWKT) == OGRERR_NONE)
        {
            VSIFPrintfL( fpCSV, "\"%s\"", pszWKT);
        }
        else
        {
            VSIFPrintfL( fpCSV, "\"\"");
        }
        CPLFree(pszWKT);
        if (poFeatureDefn->GetFieldCount() > 0)
            VSIFPrintfL( fpCSV, "%c", chDelimiter);
    }
    else if (eGeometryFormat == OGR_CSV_GEOM_AS_XYZ ||
             eGeometryFormat == OGR_CSV_GEOM_AS_XY ||
             eGeometryFormat == OGR_CSV_GEOM_AS_YX)
    {
        OGRGeometry     *poGeom = poNewFeature->GetGeometryRef();
        if (poGeom && wkbFlatten(poGeom->getGeometryType()) == wkbPoint)
        {
            OGRPoint* poPoint = (OGRPoint*) poGeom;
            char szBuffer[75];
            if (eGeometryFormat == OGR_CSV_GEOM_AS_XYZ )
                OGRMakeWktCoordinate(szBuffer, poPoint->getX(), poPoint->getY(), poPoint->getZ(), 3);
            else if (eGeometryFormat == OGR_CSV_GEOM_AS_XY )
                OGRMakeWktCoordinate(szBuffer, poPoint->getX(), poPoint->getY(), 0, 2);
            else
                OGRMakeWktCoordinate(szBuffer, poPoint->getY(), poPoint->getX(), 0, 2);
            char* pc = szBuffer;
            while(*pc != '\0')
            {
                if (*pc == ' ')
                    *pc = chDelimiter;
                pc ++;
            }
            VSIFPrintfL( fpCSV, "%s", szBuffer );
        }
        else
        {
            VSIFPrintfL( fpCSV, "%c", chDelimiter );
            if (eGeometryFormat == OGR_CSV_GEOM_AS_XYZ)
                VSIFPrintfL( fpCSV, "%c", chDelimiter );
        }
        if (poFeatureDefn->GetFieldCount() > 0)
            VSIFPrintfL( fpCSV, "%c", chDelimiter );
    }

/* -------------------------------------------------------------------- */
/*      Write out all the field values.                                 */
/* -------------------------------------------------------------------- */
    for( iField = 0; iField < poFeatureDefn->GetFieldCount(); iField++ )
    {
        char *pszEscaped;
        
        if( iField > 0 )
            VSIFPrintfL( fpCSV, "%c", chDelimiter );
        
        pszEscaped = 
            CPLEscapeString( poNewFeature->GetFieldAsString(iField),
                            -1, CPLES_CSV );

        if (poFeatureDefn->GetFieldDefn(iField)->GetType() == OFTReal)
        {
            /* Use point as decimal separator */
            char* pszComma = strchr(pszEscaped, ',');
            if (pszComma)
                *pszComma = '.';
        }

        VSIFWriteL( pszEscaped, 1, strlen(pszEscaped), fpCSV );
        CPLFree( pszEscaped );
    }
    
    if( bUseCRLF )
        VSIFPutcL( 13, fpCSV );
    VSIFPutcL( '\n', fpCSV );

    return OGRERR_NONE;
}
コード例 #14
0
ファイル: ogrmysqltablelayer.cpp プロジェクト: OSGeo/gdal
OGRErr OGRMySQLTableLayer::ICreateFeature( OGRFeature *poFeature )

{
    int bNeedComma = FALSE;
    CPLString osCommand;

/* -------------------------------------------------------------------- */
/*      Form the INSERT command.                                        */
/* -------------------------------------------------------------------- */
    osCommand.Printf( "INSERT INTO `%s` (", poFeatureDefn->GetName() );

    if( poFeature->GetGeometryRef() != nullptr )
    {
        osCommand = osCommand + "`" + pszGeomColumn + "` ";
        bNeedComma = TRUE;
    }

    if( poFeature->GetFID() != OGRNullFID && pszFIDColumn != nullptr )
    {
        if( bNeedComma )
            osCommand += ", ";

        osCommand = osCommand + "`" + pszFIDColumn + "` ";
        bNeedComma = TRUE;
    }

    for( int i = 0; i < poFeatureDefn->GetFieldCount(); i++ )
    {
        if( !poFeature->IsFieldSet( i ) )
            continue;

        if( !bNeedComma )
            bNeedComma = TRUE;
        else
            osCommand += ", ";

        osCommand = osCommand + "`"
             + poFeatureDefn->GetFieldDefn(i)->GetNameRef() + "`";
    }

    osCommand += ") VALUES (";

    // Set the geometry
    bNeedComma = poFeature->GetGeometryRef() != nullptr;
    if( poFeature->GetGeometryRef() != nullptr)
    {
        char    *pszWKT = nullptr;

        if( poFeature->GetGeometryRef() != nullptr )
        {
            OGRGeometry *poGeom = (OGRGeometry *) poFeature->GetGeometryRef();

            poGeom->closeRings();
            poGeom->flattenTo2D();
            poGeom->exportToWkt( &pszWKT );
        }

        if( pszWKT != nullptr )
        {
            const char* pszAxisOrder = "";
            OGRSpatialReference* l_poSRS = GetSpatialRef();
            if( poDS->GetMajorVersion() >= 8 && !poDS->IsMariaDB() &&
                l_poSRS && l_poSRS->IsGeographic() )
            {
                pszAxisOrder = ", 'axis-order=long-lat'";
            }

            osCommand +=
                CPLString().Printf(
                    "%s('%s',%d%s) ",
                    poDS->GetMajorVersion() >= 8 ? "ST_GeomFromText" : "GeometryFromText",
                    pszWKT, nSRSId, pszAxisOrder );

            CPLFree( pszWKT );
        }
        else
            osCommand += "''";
    }

    // Set the FID
    if( poFeature->GetFID() != OGRNullFID && pszFIDColumn != nullptr )
    {
        GIntBig nFID = poFeature->GetFID();
        if( !CPL_INT64_FITS_ON_INT32(nFID) &&
            GetMetadataItem(OLMD_FID64) == nullptr )
        {
            CPLString osCommand2;
            osCommand2.Printf(
                     "ALTER TABLE `%s` MODIFY COLUMN `%s` BIGINT UNIQUE NOT NULL AUTO_INCREMENT",
                     poFeatureDefn->GetName(), pszFIDColumn );

            if( mysql_query(poDS->GetConn(), osCommand2 ) )
            {
                poDS->ReportError( osCommand2 );
                return OGRERR_FAILURE;
            }

            // make sure to attempt to free results of successful queries
            MYSQL_RES *hResult = mysql_store_result( poDS->GetConn() );
            if( hResult != nullptr )
                mysql_free_result( hResult );
            hResult = nullptr;

            SetMetadataItem(OLMD_FID64, "YES");
        }

        if( bNeedComma )
            osCommand += ", ";
        osCommand += CPLString().Printf( CPL_FRMT_GIB, nFID );
        bNeedComma = TRUE;
    }

    for( int i = 0; i < poFeatureDefn->GetFieldCount(); i++ )
    {
        if( !poFeature->IsFieldSet( i ) )
            continue;

        if( bNeedComma )
            osCommand += ", ";
        else
            bNeedComma = TRUE;

        const char *pszStrValue = poFeature->GetFieldAsString(i);

        if( poFeature->IsFieldNull(i) )
        {
            osCommand += "NULL";
        }
        else if( poFeatureDefn->GetFieldDefn(i)->GetType() != OFTInteger
                 && poFeatureDefn->GetFieldDefn(i)->GetType() != OFTInteger64
                 && poFeatureDefn->GetFieldDefn(i)->GetType() != OFTReal
                 && poFeatureDefn->GetFieldDefn(i)->GetType() != OFTBinary )
        {
            // We need to quote and escape string fields.
            osCommand += "'";

            for( int iChar = 0; pszStrValue[iChar] != '\0'; iChar++ )
            {
                if( poFeatureDefn->GetFieldDefn(i)->GetType() != OFTIntegerList
                    && poFeatureDefn->GetFieldDefn(i)->GetType() != OFTInteger64List
                    && poFeatureDefn->GetFieldDefn(i)->GetType() != OFTRealList
                    && poFeatureDefn->GetFieldDefn(i)->GetWidth() > 0
                    && iChar == poFeatureDefn->GetFieldDefn(i)->GetWidth() )
                {
                    CPLDebug( "MYSQL",
                              "Truncated %s field value, it was too long.",
                              poFeatureDefn->GetFieldDefn(i)->GetNameRef() );
                    break;
                }

                if( pszStrValue[iChar] == '\\'
                    || pszStrValue[iChar] == '\'' )
                {
                    osCommand += '\\';
                    osCommand += pszStrValue[iChar];
                }
                else
                    osCommand += pszStrValue[iChar];
            }

            osCommand += "'";
        }
        else if( poFeatureDefn->GetFieldDefn(i)->GetType() == OFTBinary )
        {
            int binaryCount = 0;
            GByte* binaryData = poFeature->GetFieldAsBinary(i, &binaryCount);
            char* pszHexValue = CPLBinaryToHex( binaryCount, binaryData );

            osCommand += "x'";
            osCommand += pszHexValue;
            osCommand += "'";

            CPLFree( pszHexValue );
        }
        else
        {
            osCommand += pszStrValue;
        }
    }

    osCommand += ")";

    //CPLDebug("MYSQL", "%s", osCommand.c_str());
    int nQueryResult = mysql_query(poDS->GetConn(), osCommand.c_str() );
    const my_ulonglong nFID = mysql_insert_id( poDS->GetConn() );

    if( nQueryResult ){
        int eErrorCode = mysql_errno(poDS->GetConn());
        if (eErrorCode == 1153) {//ER_NET_PACKET_TOO_LARGE)
            poDS->ReportError("CreateFeature failed because the MySQL server " \
                              "cannot read the entire query statement.  Increase " \
                              "the size of statements your server will allow by " \
                              "altering the 'max_allowed_packet' parameter in "\
                              "your MySQL server configuration.");
        }
        else
        {
        CPLDebug("MYSQL","Error number %d", eErrorCode);
            poDS->ReportError(  osCommand.c_str() );
        }

        // make sure to attempt to free results
        MYSQL_RES *hResult = mysql_store_result( poDS->GetConn() );
        if( hResult != nullptr )
            mysql_free_result( hResult );
        hResult = nullptr;

        return OGRERR_FAILURE;
    }

    if( nFID > 0 ) {
        poFeature->SetFID( nFID );
    }

    // make sure to attempt to free results of successful queries
    MYSQL_RES *hResult = mysql_store_result( poDS->GetConn() );
    if( hResult != nullptr )
        mysql_free_result( hResult );
    hResult = nullptr;

    return OGRERR_NONE;
}