Examples with KettleDatabaseException org.pentaho.di.core.exception.KettleDatabaseException used on opensource projects

Example 81 with KettleDatabaseException

use of org.pentaho.di.core.exception.KettleDatabaseException in project pentaho-kettle by pentaho.

the class DimensionLookup method dimPunchThrough.

// This updates all versions of a dimension entry.
// 
public void dimPunchThrough(RowMetaInterface rowMeta, Object[] row) throws KettleDatabaseException {
    if (data.prepStatementPunchThrough == null) {
        // first time: construct prepared statement
        DatabaseMeta databaseMeta = meta.getDatabaseMeta();
        data.punchThroughRowMeta = new RowMeta();
        /*
       * UPDATE table SET punchv1 = fieldx, ... , last_updated = <now> WHERE keylookup[] = keynrs[] ;
       */
        String sql_upd = "UPDATE " + data.schemaTable + Const.CR;
        sql_upd += "SET ";
        boolean first = true;
        for (int i = 0; i < meta.getFieldLookup().length; i++) {
            if (meta.getFieldUpdate()[i] == DimensionLookupMeta.TYPE_UPDATE_DIM_PUNCHTHROUGH) {
                if (!first) {
                    sql_upd += ", ";
                } else {
                    sql_upd += "  ";
                }
                first = false;
                sql_upd += databaseMeta.quoteField(meta.getFieldLookup()[i]) + " = ?" + Const.CR;
                data.punchThroughRowMeta.addValueMeta(rowMeta.getValueMeta(data.fieldnrs[i]));
            }
        }
        // 
        for (int i = 0; i < meta.getFieldUpdate().length; i++) {
            ValueMetaInterface valueMeta = null;
            switch(meta.getFieldUpdate()[i]) {
                case DimensionLookupMeta.TYPE_UPDATE_DATE_INSUP:
                case DimensionLookupMeta.TYPE_UPDATE_DATE_UPDATED:
                    valueMeta = new ValueMetaDate(meta.getFieldLookup()[i]);
                    break;
                default:
                    break;
            }
            if (valueMeta != null) {
                sql_upd += ", " + databaseMeta.quoteField(valueMeta.getName()) + " = ?" + Const.CR;
                data.punchThroughRowMeta.addValueMeta(valueMeta);
            }
        }
        sql_upd += "WHERE ";
        for (int i = 0; i < meta.getKeyLookup().length; i++) {
            if (i > 0) {
                sql_upd += "AND   ";
            }
            sql_upd += databaseMeta.quoteField(meta.getKeyLookup()[i]) + " = ?" + Const.CR;
            data.punchThroughRowMeta.addValueMeta(rowMeta.getValueMeta(data.keynrs[i]));
        }
        try {
            data.prepStatementPunchThrough = data.db.getConnection().prepareStatement(meta.getDatabaseMeta().stripCR(sql_upd));
        } catch (SQLException ex) {
            throw new KettleDatabaseException("Unable to prepare dimension punchThrough update statement : " + Const.CR + sql_upd, ex);
        }
    }
    Object[] punchThroughRow = new Object[data.punchThroughRowMeta.size()];
    int punchIndex = 0;
    for (int i = 0; i < meta.getFieldLookup().length; i++) {
        if (meta.getFieldUpdate()[i] == DimensionLookupMeta.TYPE_UPDATE_DIM_PUNCHTHROUGH) {
            punchThroughRow[punchIndex++] = row[data.fieldnrs[i]];
        }
    }
    for (int i = 0; i < meta.getFieldUpdate().length; i++) {
        switch(meta.getFieldUpdate()[i]) {
            case DimensionLookupMeta.TYPE_UPDATE_DATE_INSUP:
            case DimensionLookupMeta.TYPE_UPDATE_DATE_UPDATED:
                punchThroughRow[punchIndex++] = new Date();
                break;
            default:
                break;
        }
    }
    for (int i = 0; i < data.keynrs.length; i++) {
        punchThroughRow[punchIndex++] = row[data.keynrs[i]];
    }
    // UPDATE VALUES
    // set values for
    data.db.setValues(data.punchThroughRowMeta, punchThroughRow, data.prepStatementPunchThrough);
    // update
    // do the actual punch through update
    data.db.insertRow(data.prepStatementPunchThrough);
}

Example 82 with KettleDatabaseException

use of org.pentaho.di.core.exception.KettleDatabaseException in project pentaho-kettle by pentaho.

the class DimensionLookup method dimInsert.

/**
 * This inserts new record into dimension Optionally, if the entry already exists, update date range from previous
 * version of the entry.
 */
public Long dimInsert(RowMetaInterface inputRowMeta, Object[] row, Long technicalKey, boolean newEntry, Long versionNr, Date dateFrom, Date dateTo) throws KettleException {
    DatabaseMeta databaseMeta = meta.getDatabaseMeta();
    if (data.prepStatementInsert == null && data.prepStatementUpdate == null) {
        // first time: construct prepared statement
        RowMetaInterface insertRowMeta = new RowMeta();
        /*
       * Construct the SQL statement...
       *
       * INSERT INTO d_customer(keyfield, versionfield, datefrom, dateto, key[], fieldlookup[], last_updated,
       * last_inserted, last_version) VALUES (val_key ,val_version , val_datfrom, val_datto, keynrs[], fieldnrs[],
       * last_updated, last_inserted, last_version) ;
       */
        String sql = "INSERT INTO " + data.schemaTable + "( ";
        if (!isAutoIncrement()) {
            // NO
            sql += databaseMeta.quoteField(meta.getKeyField()) + ", ";
            // AUTOINCREMENT
            // the first return value
            insertRowMeta.addValueMeta(data.outputRowMeta.getValueMeta(inputRowMeta.size()));
        // after the input
        } else {
            if (databaseMeta.needsPlaceHolder()) {
                // placeholder on informix!
                sql += "0, ";
            }
        }
        sql += databaseMeta.quoteField(meta.getVersionField()) + ", " + databaseMeta.quoteField(meta.getDateFrom()) + ", " + databaseMeta.quoteField(meta.getDateTo());
        insertRowMeta.addValueMeta(new ValueMetaInteger(meta.getVersionField()));
        insertRowMeta.addValueMeta(new ValueMetaDate(meta.getDateFrom()));
        insertRowMeta.addValueMeta(new ValueMetaDate(meta.getDateTo()));
        for (int i = 0; i < meta.getKeyLookup().length; i++) {
            sql += ", " + databaseMeta.quoteField(meta.getKeyLookup()[i]);
            insertRowMeta.addValueMeta(inputRowMeta.getValueMeta(data.keynrs[i]));
        }
        for (int i = 0; i < meta.getFieldLookup().length; i++) {
            // 
            if (!DimensionLookupMeta.isUpdateTypeWithoutArgument(meta.isUpdate(), meta.getFieldUpdate()[i])) {
                sql += ", " + databaseMeta.quoteField(meta.getFieldLookup()[i]);
                insertRowMeta.addValueMeta(inputRowMeta.getValueMeta(data.fieldnrs[i]));
            }
        }
        // 
        for (int i = 0; i < meta.getFieldUpdate().length; i++) {
            ValueMetaInterface valueMeta = null;
            switch(meta.getFieldUpdate()[i]) {
                case DimensionLookupMeta.TYPE_UPDATE_DATE_INSUP:
                case DimensionLookupMeta.TYPE_UPDATE_DATE_INSERTED:
                    valueMeta = new ValueMetaDate(meta.getFieldLookup()[i]);
                    break;
                case DimensionLookupMeta.TYPE_UPDATE_LAST_VERSION:
                    valueMeta = new ValueMetaBoolean(meta.getFieldLookup()[i]);
                    break;
                default:
                    break;
            }
            if (valueMeta != null) {
                sql += ", " + databaseMeta.quoteField(valueMeta.getName());
                insertRowMeta.addValueMeta(valueMeta);
            }
        }
        sql += ") VALUES (";
        if (!isAutoIncrement()) {
            sql += "?, ";
        }
        sql += "?, ?, ?";
        for (int i = 0; i < data.keynrs.length; i++) {
            sql += ", ?";
        }
        for (int i = 0; i < meta.getFieldLookup().length; i++) {
            // 
            if (!DimensionLookupMeta.isUpdateTypeWithoutArgument(meta.isUpdate(), meta.getFieldUpdate()[i])) {
                sql += ", ?";
            }
        }
        // 
        for (int i = 0; i < meta.getFieldUpdate().length; i++) {
            switch(meta.getFieldUpdate()[i]) {
                case DimensionLookupMeta.TYPE_UPDATE_DATE_INSUP:
                case DimensionLookupMeta.TYPE_UPDATE_DATE_INSERTED:
                case DimensionLookupMeta.TYPE_UPDATE_LAST_VERSION:
                    sql += ", ?";
                    break;
                default:
                    break;
            }
        }
        sql += " )";
        try {
            if (technicalKey == null && databaseMeta.supportsAutoGeneratedKeys()) {
                logDetailed("SQL w/ return keys=[" + sql + "]");
                data.prepStatementInsert = data.db.getConnection().prepareStatement(databaseMeta.stripCR(sql), Statement.RETURN_GENERATED_KEYS);
            } else {
                logDetailed("SQL=[" + sql + "]");
                data.prepStatementInsert = data.db.getConnection().prepareStatement(databaseMeta.stripCR(sql));
            }
        // pstmt=con.prepareStatement(sql, new String[] { "klant_tk" } );
        } catch (SQLException ex) {
            throw new KettleDatabaseException("Unable to prepare dimension insert :" + Const.CR + sql, ex);
        }
        /*
       * UPDATE d_customer SET dateto = val_datnow, last_updated = <now> last_version = false WHERE keylookup[] =
       * keynrs[] AND versionfield = val_version - 1 ;
       */
        RowMetaInterface updateRowMeta = new RowMeta();
        String sql_upd = "UPDATE " + data.schemaTable + Const.CR;
        // The end of the date range
        // 
        sql_upd += "SET " + databaseMeta.quoteField(meta.getDateTo()) + " = ?" + Const.CR;
        updateRowMeta.addValueMeta(new ValueMetaDate(meta.getDateTo()));
        // 
        for (int i = 0; i < meta.getFieldUpdate().length; i++) {
            ValueMetaInterface valueMeta = null;
            switch(meta.getFieldUpdate()[i]) {
                case DimensionLookupMeta.TYPE_UPDATE_DATE_INSUP:
                case DimensionLookupMeta.TYPE_UPDATE_DATE_UPDATED:
                    valueMeta = new ValueMetaDate(meta.getFieldLookup()[i]);
                    break;
                case DimensionLookupMeta.TYPE_UPDATE_LAST_VERSION:
                    valueMeta = new ValueMetaBoolean(meta.getFieldLookup()[i]);
                    break;
                default:
                    break;
            }
            if (valueMeta != null) {
                sql_upd += ", " + databaseMeta.quoteField(valueMeta.getName()) + " = ?" + Const.CR;
                updateRowMeta.addValueMeta(valueMeta);
            }
        }
        sql_upd += "WHERE ";
        for (int i = 0; i < meta.getKeyLookup().length; i++) {
            if (i > 0) {
                sql_upd += "AND   ";
            }
            sql_upd += databaseMeta.quoteField(meta.getKeyLookup()[i]) + " = ?" + Const.CR;
            updateRowMeta.addValueMeta(inputRowMeta.getValueMeta(data.keynrs[i]));
        }
        sql_upd += "AND   " + databaseMeta.quoteField(meta.getVersionField()) + " = ? ";
        updateRowMeta.addValueMeta(new ValueMetaInteger(meta.getVersionField()));
        try {
            logDetailed("Preparing update: " + Const.CR + sql_upd + Const.CR);
            data.prepStatementUpdate = data.db.getConnection().prepareStatement(databaseMeta.stripCR(sql_upd));
        } catch (SQLException ex) {
            throw new KettleDatabaseException("Unable to prepare dimension update :" + Const.CR + sql_upd, ex);
        }
        data.insertRowMeta = insertRowMeta;
        data.updateRowMeta = updateRowMeta;
    }
    Object[] insertRow = new Object[data.insertRowMeta.size()];
    int insertIndex = 0;
    if (!isAutoIncrement()) {
        insertRow[insertIndex++] = technicalKey;
    }
    // Caller is responsible for setting proper version number depending
    // on if newEntry == true
    insertRow[insertIndex++] = versionNr;
    switch(data.startDateChoice) {
        case DimensionLookupMeta.START_DATE_ALTERNATIVE_NONE:
            insertRow[insertIndex++] = dateFrom;
            break;
        case DimensionLookupMeta.START_DATE_ALTERNATIVE_SYSDATE:
            // use the time the step execution begins as the date from (passed in as dateFrom).
            // before, the current system time was used. this caused an exclusion of the row in the
            // lookup portion of the step that uses this 'valueDate' and not the current time.
            // the result was multiple inserts for what should have been 1 [PDI-4317]
            insertRow[insertIndex++] = dateFrom;
            break;
        case DimensionLookupMeta.START_DATE_ALTERNATIVE_START_OF_TRANS:
            insertRow[insertIndex++] = getTrans().getStartDate();
            break;
        case DimensionLookupMeta.START_DATE_ALTERNATIVE_NULL:
            insertRow[insertIndex++] = null;
            break;
        case DimensionLookupMeta.START_DATE_ALTERNATIVE_COLUMN_VALUE:
            insertRow[insertIndex++] = inputRowMeta.getDate(row, data.startDateFieldIndex);
            break;
        default:
            throw new KettleStepException(BaseMessages.getString(PKG, "DimensionLookup.Exception.IllegalStartDateSelection", Integer.toString(data.startDateChoice)));
    }
    insertRow[insertIndex++] = dateTo;
    for (int i = 0; i < data.keynrs.length; i++) {
        insertRow[insertIndex++] = row[data.keynrs[i]];
    }
    for (int i = 0; i < data.fieldnrs.length; i++) {
        if (data.fieldnrs[i] >= 0) {
            // Ignore last_version, last_updated, etc. These are handled below...
            // 
            insertRow[insertIndex++] = row[data.fieldnrs[i]];
        }
    }
    // 
    for (int i = 0; i < meta.getFieldUpdate().length; i++) {
        switch(meta.getFieldUpdate()[i]) {
            case DimensionLookupMeta.TYPE_UPDATE_DATE_INSUP:
            case DimensionLookupMeta.TYPE_UPDATE_DATE_INSERTED:
                insertRow[insertIndex++] = new Date();
                break;
            case DimensionLookupMeta.TYPE_UPDATE_LAST_VERSION:
                insertRow[insertIndex++] = Boolean.TRUE;
                // Always the last version on insert.
                break;
            default:
                break;
        }
    }
    if (isDebug()) {
        logDebug("rins, size=" + data.insertRowMeta.size() + ", values=" + data.insertRowMeta.getString(insertRow));
    }
    // INSERT NEW VALUE!
    data.db.setValues(data.insertRowMeta, insertRow, data.prepStatementInsert);
    data.db.insertRow(data.prepStatementInsert);
    if (isDebug()) {
        logDebug("Row inserted!");
    }
    if (technicalKey == null && databaseMeta.supportsAutoGeneratedKeys()) {
        try {
            RowMetaAndData keys = data.db.getGeneratedKeys(data.prepStatementInsert);
            if (keys.getRowMeta().size() > 0) {
                technicalKey = keys.getRowMeta().getInteger(keys.getData(), 0);
            } else {
                throw new KettleDatabaseException("Unable to retrieve value of auto-generated technical key : no value found!");
            }
        } catch (Exception e) {
            throw new KettleDatabaseException("Unable to retrieve value of auto-generated technical key : unexpected error: ", e);
        }
    }
    if (!newEntry) {
        // we have to update the previous version in the dimension!
        /*
       * UPDATE d_customer SET dateto = val_datfrom , last_updated = <now> , last_version = false WHERE keylookup[] =
       * keynrs[] AND versionfield = val_version - 1 ;
       */
        Object[] updateRow = new Object[data.updateRowMeta.size()];
        int updateIndex = 0;
        switch(data.startDateChoice) {
            case DimensionLookupMeta.START_DATE_ALTERNATIVE_NONE:
                updateRow[updateIndex++] = dateFrom;
                break;
            case DimensionLookupMeta.START_DATE_ALTERNATIVE_SYSDATE:
                updateRow[updateIndex++] = new Date();
                break;
            case DimensionLookupMeta.START_DATE_ALTERNATIVE_START_OF_TRANS:
                updateRow[updateIndex++] = getTrans().getCurrentDate();
                break;
            case DimensionLookupMeta.START_DATE_ALTERNATIVE_NULL:
                updateRow[updateIndex++] = null;
                break;
            case DimensionLookupMeta.START_DATE_ALTERNATIVE_COLUMN_VALUE:
                updateRow[updateIndex++] = inputRowMeta.getDate(row, data.startDateFieldIndex);
                break;
            default:
                throw new KettleStepException(BaseMessages.getString("DimensionLookup.Exception.IllegalStartDateSelection", Integer.toString(data.startDateChoice)));
        }
        // 
        for (int i = 0; i < meta.getFieldUpdate().length; i++) {
            switch(meta.getFieldUpdate()[i]) {
                case DimensionLookupMeta.TYPE_UPDATE_DATE_INSUP:
                    updateRow[updateIndex++] = new Date();
                    break;
                case DimensionLookupMeta.TYPE_UPDATE_LAST_VERSION:
                    updateRow[updateIndex++] = Boolean.FALSE;
                    // Never the last version on this update
                    break;
                case DimensionLookupMeta.TYPE_UPDATE_DATE_UPDATED:
                    updateRow[updateIndex++] = new Date();
                    break;
                default:
                    break;
            }
        }
        for (int i = 0; i < data.keynrs.length; i++) {
            updateRow[updateIndex++] = row[data.keynrs[i]];
        }
        updateRow[updateIndex++] = versionNr - 1;
        if (isRowLevel()) {
            logRowlevel("UPDATE using rupd=" + data.updateRowMeta.getString(updateRow));
        }
        // UPDATE VALUES
        // set values for update
        // 
        data.db.setValues(data.updateRowMeta, updateRow, data.prepStatementUpdate);
        if (isDebug()) {
            logDebug("Values set for update (" + data.updateRowMeta.size() + ")");
        }
        // do the actual update
        data.db.insertRow(data.prepStatementUpdate);
        if (isDebug()) {
            logDebug("Row updated!");
        }
    }
    return technicalKey;
}

Example 83 with KettleDatabaseException

use of org.pentaho.di.core.exception.KettleDatabaseException in project pentaho-kettle by pentaho.

the class InfobrightLoaderData method databaseSetup.

void databaseSetup(InfobrightLoaderMeta meta, InfobrightLoader step) throws KettleException {
    db = new Database(step, meta.getDatabaseMeta());
    db.connect();
    // FIXME: This will fail if the first row of the table contains a value that
    // cannot be read by Java. For example, a DATE field that contains the value
    // '0000-00-00'. In this case, the Kettle error message will misleadingly say
    // that the table doesn't exist. There doesn't seem to be any workaround.
    // See Pentaho JIRA: PDI-2117.
    // 
    requiredRowMeta = meta.getRequiredFields(step);
    requiredFields = requiredRowMeta.getFieldNames();
    try {
        // the loader is using it and any other uses of the connection will block.
        if (meta.getInfobrightProductType() == null) {
            // default for ICE
            meta.setDataFormat(DataFormat.TXT_VARIABLE);
        }
        DataFormat dataFormat = DataFormat.valueForDisplayName(meta.getInfobrightProductType());
        int agentPort = meta.getAgentPort();
        Charset charset = meta.getCharset();
        Connection conn = db.getConnection();
        String tableName = meta.getDatabaseMeta().getQuotedSchemaTableCombination(step.environmentSubstitute(meta.getSchemaName()), step.environmentSubstitute(meta.getTableName()));
        EtlLogger logger = new KettleEtlLogger(step);
        loader = new InfobrightNamedPipeLoader(tableName, conn, logger, dataFormat, charset, agentPort);
        loader.setTimeout(30);
        String debugFile = meta.getDebugFile();
        if (debugFile != null) {
            OutputStream debugOutputStream = new FileOutputStream(debugFile);
            loader.setDebugOutputStream(debugOutputStream);
        }
        // TODO set to true to support error path
        record = loader.createRecord(false);
        loader.start();
    } catch (Exception e) {
        db.disconnect();
        db = null;
        if (loader != null) {
            try {
                loader.killQuery();
            } catch (SQLException e1) {
                throw new KettleDatabaseException(e1);
            }
        }
        throw new KettleDatabaseException(e);
    }
}

Example 84 with KettleDatabaseException

use of org.pentaho.di.core.exception.KettleDatabaseException in project pentaho-kettle by pentaho.

the class InsertUpdate method setLookup.

public void setLookup(RowMetaInterface rowMeta) throws KettleDatabaseException {
    data.lookupParameterRowMeta = new RowMeta();
    data.lookupReturnRowMeta = new RowMeta();
    DatabaseMeta databaseMeta = meta.getDatabaseMeta();
    String sql = "SELECT ";
    for (int i = 0; i < meta.getUpdateLookup().length; i++) {
        if (i != 0) {
            sql += ", ";
        }
        sql += databaseMeta.quoteField(meta.getUpdateLookup()[i]);
        data.lookupReturnRowMeta.addValueMeta(rowMeta.searchValueMeta(meta.getUpdateStream()[i]).clone());
    }
    sql += " FROM " + data.schemaTable + " WHERE ";
    for (int i = 0; i < meta.getKeyLookup().length; i++) {
        if (i != 0) {
            sql += " AND ";
        }
        sql += " ( ( ";
        sql += databaseMeta.quoteField(meta.getKeyLookup()[i]);
        if ("BETWEEN".equalsIgnoreCase(meta.getKeyCondition()[i])) {
            sql += " BETWEEN ? AND ? ";
            data.lookupParameterRowMeta.addValueMeta(rowMeta.searchValueMeta(meta.getKeyStream()[i]));
            data.lookupParameterRowMeta.addValueMeta(rowMeta.searchValueMeta(meta.getKeyStream2()[i]));
        } else {
            if ("IS NULL".equalsIgnoreCase(meta.getKeyCondition()[i]) || "IS NOT NULL".equalsIgnoreCase(meta.getKeyCondition()[i])) {
                sql += " " + meta.getKeyCondition()[i] + " ";
            } else if ("= ~NULL".equalsIgnoreCase(meta.getKeyCondition()[i])) {
                sql += " IS NULL AND ";
                if (databaseMeta.requiresCastToVariousForIsNull()) {
                    sql += " CAST(? AS VARCHAR(256)) IS NULL ";
                } else {
                    sql += " ? IS NULL ";
                }
                // null check
                data.lookupParameterRowMeta.addValueMeta(rowMeta.searchValueMeta(meta.getKeyStream()[i]));
                sql += " ) OR ( " + databaseMeta.quoteField(meta.getKeyLookup()[i]) + " = ? ";
                // equality check, cloning so auto-rename because of adding same fieldname does not cause problems
                data.lookupParameterRowMeta.addValueMeta(rowMeta.searchValueMeta(meta.getKeyStream()[i]).clone());
            } else {
                sql += " " + meta.getKeyCondition()[i] + " ? ";
                data.lookupParameterRowMeta.addValueMeta(rowMeta.searchValueMeta(meta.getKeyStream()[i]));
            }
        }
        sql += " ) ) ";
    }
    try {
        if (log.isDetailed()) {
            logDetailed("Setting preparedStatement to [" + sql + "]");
        }
        data.prepStatementLookup = data.db.getConnection().prepareStatement(databaseMeta.stripCR(sql));
    } catch (SQLException ex) {
        throw new KettleDatabaseException("Unable to prepare statement for SQL statement [" + sql + "]", ex);
    }
}

Example 85 with KettleDatabaseException

use of org.pentaho.di.core.exception.KettleDatabaseException in project pentaho-kettle by pentaho.

the class InsertUpdate method prepareUpdate.

// Lookup certain fields in a table
public void prepareUpdate(RowMetaInterface rowMeta) throws KettleDatabaseException {
    DatabaseMeta databaseMeta = meta.getDatabaseMeta();
    data.updateParameterRowMeta = new RowMeta();
    String sql = "UPDATE " + data.schemaTable + Const.CR;
    sql += "SET ";
    boolean comma = false;
    for (int i = 0; i < meta.getUpdateLookup().length; i++) {
        if (meta.getUpdate()[i].booleanValue()) {
            if (comma) {
                sql += ",   ";
            } else {
                comma = true;
            }
            sql += databaseMeta.quoteField(meta.getUpdateLookup()[i]);
            sql += " = ?" + Const.CR;
            data.updateParameterRowMeta.addValueMeta(rowMeta.searchValueMeta(meta.getUpdateStream()[i]).clone());
        }
    }
    sql += "WHERE ";
    for (int i = 0; i < meta.getKeyLookup().length; i++) {
        if (i != 0) {
            sql += "AND   ";
        }
        sql += " ( ( ";
        sql += databaseMeta.quoteField(meta.getKeyLookup()[i]);
        if ("BETWEEN".equalsIgnoreCase(meta.getKeyCondition()[i])) {
            sql += " BETWEEN ? AND ? ";
            data.updateParameterRowMeta.addValueMeta(rowMeta.searchValueMeta(meta.getKeyStream()[i]));
            data.updateParameterRowMeta.addValueMeta(rowMeta.searchValueMeta(meta.getKeyStream2()[i]));
        } else if ("IS NULL".equalsIgnoreCase(meta.getKeyCondition()[i]) || "IS NOT NULL".equalsIgnoreCase(meta.getKeyCondition()[i])) {
            sql += " " + meta.getKeyCondition()[i] + " ";
        } else if ("= ~NULL".equalsIgnoreCase(meta.getKeyCondition()[i])) {
            sql += " IS NULL AND ";
            if (databaseMeta.requiresCastToVariousForIsNull()) {
                sql += "CAST(? AS VARCHAR(256)) IS NULL";
            } else {
                sql += "? IS NULL";
            }
            // null check
            data.updateParameterRowMeta.addValueMeta(rowMeta.searchValueMeta(meta.getKeyStream()[i]));
            sql += " ) OR ( " + databaseMeta.quoteField(meta.getKeyLookup()[i]) + " = ?";
            // equality check, cloning so auto-rename because of adding same fieldname does not cause problems
            data.updateParameterRowMeta.addValueMeta(rowMeta.searchValueMeta(meta.getKeyStream()[i]).clone());
        } else {
            sql += " " + meta.getKeyCondition()[i] + " ? ";
            data.updateParameterRowMeta.addValueMeta(rowMeta.searchValueMeta(meta.getKeyStream()[i]).clone());
        }
        sql += " ) ) ";
    }
    try {
        if (log.isDetailed()) {
            logDetailed("Setting update preparedStatement to [" + sql + "]");
        }
        data.prepStatementUpdate = data.db.getConnection().prepareStatement(databaseMeta.stripCR(sql));
    } catch (SQLException ex) {
        throw new KettleDatabaseException("Unable to prepare statement for SQL statement [" + sql + "]", ex);
    }
}