private ArrayList<Object[]> writeToTable(RowMetaInterface rowMeta, ArrayList<Object[]> rows)
throws KettleException {
if (rows.isEmpty()) // Stop: last line or error encountered
{
if (log.isDetailed()) logDetailed("Last line inserted: stop");
return null;
}
PreparedStatement insertStatement = null;
ArrayList<Object[]> insertRowsData = new ArrayList<Object[]>();
ArrayList<Object[]> outputRowsData = rows;
String tableName = null;
boolean sendToErrorRow = false;
String errorMessage = null;
boolean rowIsSafe = false;
int[] updateCounts = null;
List<Exception> exceptionsList = null;
boolean batchProblem = false;
for (Object[] row : rows) {
if (meta.isTableNameInField()) {
// Cache the position of the table name field
if (data.indexOfTableNameField < 0) {
String realTablename = environmentSubstitute(meta.getTableNameField());
data.indexOfTableNameField = rowMeta.indexOfValue(realTablename);
if (data.indexOfTableNameField < 0) {
String message = "Unable to find table name field [" + realTablename + "] in input row";
logError(message);
throw new KettleStepException(message);
}
if (!meta.isTableNameInTable()) {
data.insertRowMeta.removeValueMeta(data.indexOfTableNameField);
}
}
tableName = rowMeta.getString(rows.get(0), data.indexOfTableNameField);
if (!meta.isTableNameInTable()) {
// If the name of the table should not be inserted itself,
// remove the table name
// from the input row data as well. This forcibly creates a
// copy of r
insertRowsData.add(
RowDataUtil.removeItem(rowMeta.cloneRow(row), data.indexOfTableNameField));
} else {
insertRowsData.add(row);
}
} else if (meta.isPartitioningEnabled()
&& (meta.isPartitioningDaily() || meta.isPartitioningMonthly())
&& (meta.getPartitioningField() != null && meta.getPartitioningField().length() > 0)) {
// Initialize some stuff!
if (data.indexOfPartitioningField < 0) {
data.indexOfPartitioningField =
rowMeta.indexOfValue(environmentSubstitute(meta.getPartitioningField()));
if (data.indexOfPartitioningField < 0) {
throw new KettleStepException(
"Unable to find field [" + meta.getPartitioningField() + "] in the input row!");
}
if (meta.isPartitioningDaily()) {
data.dateFormater = new SimpleDateFormat("yyyyMMdd");
} else {
data.dateFormater = new SimpleDateFormat("yyyyMM");
}
}
ValueMetaInterface partitioningValue = rowMeta.getValueMeta(data.indexOfPartitioningField);
if (!partitioningValue.isDate() || row[data.indexOfPartitioningField] == null) {
throw new KettleStepException(
"Sorry, the partitioning field needs to contain a data value and can't be empty!");
}
Object partitioningValueData = rowMeta.getDate(row, data.indexOfPartitioningField);
tableName =
environmentSubstitute(meta.getTablename())
+ "_"
+ data.dateFormater.format((Date) partitioningValueData);
insertRowsData.add(row);
} else {
tableName = data.tableName;
insertRowsData.add(row);
}
if (Const.isEmpty(tableName)) {
throw new KettleStepException("The tablename is not defined (empty)");
}
}
if (!data.preparedStatements.containsKey(tableName)) {
data.preparedStatements.put(tableName, new Hashtable<Integer, PreparedStatement>());
}
insertStatement = (PreparedStatement) data.preparedStatements.get(tableName).get(rows.size());
if (insertStatement == null) {
String sql =
getInsertStatement(
environmentSubstitute(meta.getSchemaName()),
tableName,
data.insertRowMeta,
rows.size());
if (log.isDetailed()) logDetailed("Prepared statement : " + sql);
insertStatement = data.db.prepareSQL(sql);
if (!data.preparedStatements.containsKey(tableName)) {
data.preparedStatements.put(tableName, new Hashtable<Integer, PreparedStatement>());
}
data.preparedStatements.get(tableName).put(rows.size(), insertStatement);
}
try {
// For PG & GP, we add a savepoint before the row.
// Then revert to the savepoint afterwards... (not a transaction, so
// hopefully still fast)
//
if (data.specialErrorHandling) {
data.savepoint = data.db.setSavepoint();
}
RowMeta insertRowMeta = new RowMeta();
for (int i = 0; i < rows.size(); i++) {
for (int j = 0; j < data.valuenrs.length; j++) {
insertRowMeta.addValueMeta(data.insertRowMeta.getValueMeta(j));
}
}
data.db.setValues(insertRowMeta, toArray(insertRowsData), insertStatement);
data.db.insertRow(insertStatement, data.batchMode, false); // false:
// no
// commit,
// it is
// handled
// in
// this
// step
// different
// Get a commit counter per prepared statement to keep track of
// separate tables, etc.
//
Integer commitCounter = data.commitCounterMap.get(tableName);
if (commitCounter == null) {
commitCounter = Integer.valueOf(1);
} else {
commitCounter++;
}
data.commitCounterMap.put(tableName, Integer.valueOf(commitCounter.intValue()));
// Release the savepoint if needed
//
if (data.specialErrorHandling) {
if (data.releaseSavepoint) {
data.db.releaseSavepoint(data.savepoint);
}
}
// Perform a commit if needed
//
if ((data.commitSize > 0) && ((commitCounter % data.commitSize) == 0)) {
if (data.batchMode) {
try {
insertStatement.executeBatch();
data.db.commit();
insertStatement.clearBatch();
} catch (BatchUpdateException ex) {
KettleDatabaseBatchException kdbe =
new KettleDatabaseBatchException("Error updating batch", ex);
kdbe.setUpdateCounts(ex.getUpdateCounts());
List<Exception> exceptions = new ArrayList<Exception>();
// 'seed' the loop with the root exception
SQLException nextException = ex;
do {
exceptions.add(nextException);
// while current exception has next exception, add
// to list
} while ((nextException = nextException.getNextException()) != null);
kdbe.setExceptionsList(exceptions);
throw kdbe;
} catch (SQLException ex) {
throw new KettleDatabaseException("Error inserting row", ex);
} catch (Exception ex) {
throw new KettleDatabaseException("Unexpected error inserting row", ex);
}
} else {
// insertRow normal commit
data.db.commit();
}
// Clear the batch/commit counter...
//
data.commitCounterMap.put(tableName, Integer.valueOf(0));
rowIsSafe = true;
} else {
rowIsSafe = false;
}
} catch (KettleDatabaseBatchException be) {
errorMessage = be.toString();
batchProblem = true;
sendToErrorRow = true;
updateCounts = be.getUpdateCounts();
exceptionsList = be.getExceptionsList();
if (getStepMeta().isDoingErrorHandling()) {
data.db.clearBatch(insertStatement);
data.db.commit(true);
} else {
data.db.clearBatch(insertStatement);
data.db.rollback();
StringBuffer msg =
new StringBuffer("Error batch inserting rows into table [" + tableName + "].");
msg.append(Const.CR);
msg.append("Errors encountered (first 10):").append(Const.CR);
for (int x = 0; x < be.getExceptionsList().size() && x < 10; x++) {
Exception exception = be.getExceptionsList().get(x);
if (exception.getMessage() != null) msg.append(exception.getMessage()).append(Const.CR);
}
throw new KettleException(msg.toString(), be);
}
} catch (KettleDatabaseException dbe) {
if (getStepMeta().isDoingErrorHandling()) {
if (data.specialErrorHandling) {
data.db.rollback(data.savepoint);
if (data.releaseSavepoint) {
data.db.releaseSavepoint(data.savepoint);
}
// data.db.commit(true); // force a commit on the connection
// too.
}
sendToErrorRow = true;
errorMessage = dbe.toString();
} else {
if (meta.ignoreErrors()) {
if (data.warnings < 20) {
if (log.isBasic())
logBasic("WARNING: Couldn't insert row into table." + Const.CR + dbe.getMessage());
} else if (data.warnings == 20) {
if (log.isBasic())
logBasic(
"FINAL WARNING (no more then 20 displayed): Couldn't insert row into table: "
+ Const.CR
+ dbe.getMessage());
}
data.warnings++;
} else {
setErrors(getErrors() + 1);
data.db.rollback();
throw new KettleException("Error inserting row into table [" + tableName + "]", dbe);
}
}
}
if (data.batchMode) {
if (sendToErrorRow) {
if (batchProblem) {
for (Object[] row : outputRowsData) {
data.batchBuffer.add(row);
}
outputRowsData = null;
processBatchException(errorMessage, updateCounts, exceptionsList);
} else {
// Simply add this row to the error row
for (Object[] row : outputRowsData) {
putError(rowMeta, row, 1L, errorMessage, null, "TOP001");
}
outputRowsData = null;
}
} else {
for (Object[] row : outputRowsData) {
data.batchBuffer.add(row);
}
outputRowsData = null;
if (rowIsSafe) // A commit was done and the rows are all safe
// (no error)
{
for (int i = 0; i < data.batchBuffer.size(); i++) {
Object[] row = (Object[]) data.batchBuffer.get(i);
putRow(data.outputRowMeta, row);
incrementLinesOutput();
}
// Clear the buffer
data.batchBuffer.clear();
}
}
} else {
if (sendToErrorRow) {
for (Object[] row : outputRowsData) {
putError(rowMeta, row, 1L, errorMessage, null, "TOP001");
}
outputRowsData = null;
}
}
return outputRowsData;
}
public void dispose(StepMetaInterface smi, StepDataInterface sdi) {
meta = (MySQLTableOutputMeta) smi;
data = (MySQLTableOutputData) sdi;
if (data.db != null) {
try {
for (String schemaTable : data.preparedStatements.keySet()) {
// Get a commit counter per prepared statement to keep track
// of separate tables, etc.
//
Integer batchCounter = data.commitCounterMap.get(schemaTable);
if (batchCounter == null) {
batchCounter = 0;
}
for (PreparedStatement insertStatement :
data.preparedStatements.get(schemaTable).values()) {
data.db.emptyAndCommit(insertStatement, data.batchMode, batchCounter);
}
}
for (int i = 0; i < data.batchBuffer.size(); i++) {
Object[] row = (Object[]) data.batchBuffer.get(i);
putRow(data.outputRowMeta, row);
incrementLinesOutput();
}
// Clear the buffer
data.batchBuffer.clear();
} catch (KettleDatabaseBatchException be) {
if (getStepMeta().isDoingErrorHandling()) {
// Right at the back we are experiencing a batch commit
// problem...
// OK, we have the numbers...
try {
processBatchException(be.toString(), be.getUpdateCounts(), be.getExceptionsList());
} catch (KettleException e) {
logError("Unexpected error processing batch error", e);
setErrors(1);
stopAll();
}
} else {
logError("Unexpected batch update error committing the database connection.", be);
setErrors(1);
stopAll();
}
} catch (Exception dbe) {
logError("Unexpected error committing the database connection.", dbe);
logError(Const.getStackTracker(dbe));
setErrors(1);
stopAll();
} finally {
setOutputDone();
if (getErrors() > 0) {
try {
data.db.rollback();
} catch (KettleDatabaseException e) {
logError("Unexpected error rolling back the database connection.", e);
}
}
data.db.disconnect();
}
super.dispose(smi, sdi);
}
}
protected Object[] writeToTable(RowMetaInterface rowMeta, Object[] r) throws KettleException {
if (r == null) { // Stop: last line or error encountered
if (log.isDetailed()) {
logDetailed("Last line inserted: stop");
}
return null;
}
PreparedStatement insertStatement = null;
Object[] insertRowData;
Object[] outputRowData = r;
String tableName = null;
boolean sendToErrorRow = false;
String errorMessage = null;
boolean rowIsSafe = false;
int[] updateCounts = null;
List<Exception> exceptionsList = null;
boolean batchProblem = false;
Object generatedKey = null;
if (meta.isTableNameInField()) {
// Cache the position of the table name field
if (data.indexOfTableNameField < 0) {
String realTablename = environmentSubstitute(meta.getTableNameField());
data.indexOfTableNameField = rowMeta.indexOfValue(realTablename);
if (data.indexOfTableNameField < 0) {
String message = "Unable to find table name field [" + realTablename + "] in input row";
logError(message);
throw new KettleStepException(message);
}
if (!meta.isTableNameInTable() && !meta.specifyFields()) {
data.insertRowMeta.removeValueMeta(data.indexOfTableNameField);
}
}
tableName = rowMeta.getString(r, data.indexOfTableNameField);
if (!meta.isTableNameInTable() && !meta.specifyFields()) {
// If the name of the table should not be inserted itself, remove the table name
// from the input row data as well. This forcibly creates a copy of r
//
insertRowData = RowDataUtil.removeItem(rowMeta.cloneRow(r), data.indexOfTableNameField);
} else {
insertRowData = r;
}
} else if (meta.isPartitioningEnabled()
&& (meta.isPartitioningDaily() || meta.isPartitioningMonthly())
&& (meta.getPartitioningField() != null && meta.getPartitioningField().length() > 0)) {
// Initialize some stuff!
if (data.indexOfPartitioningField < 0) {
data.indexOfPartitioningField =
rowMeta.indexOfValue(environmentSubstitute(meta.getPartitioningField()));
if (data.indexOfPartitioningField < 0) {
throw new KettleStepException(
"Unable to find field [" + meta.getPartitioningField() + "] in the input row!");
}
if (meta.isPartitioningDaily()) {
data.dateFormater = new SimpleDateFormat("yyyyMMdd");
} else {
data.dateFormater = new SimpleDateFormat("yyyyMM");
}
}
ValueMetaInterface partitioningValue = rowMeta.getValueMeta(data.indexOfPartitioningField);
if (!partitioningValue.isDate() || r[data.indexOfPartitioningField] == null) {
throw new KettleStepException(
"Sorry, the partitioning field needs to contain a data value and can't be empty!");
}
Object partitioningValueData = rowMeta.getDate(r, data.indexOfPartitioningField);
tableName =
environmentSubstitute(meta.getTableName())
+ "_"
+ data.dateFormater.format((Date) partitioningValueData);
insertRowData = r;
} else {
tableName = data.tableName;
insertRowData = r;
}
if (meta.specifyFields()) {
//
// The values to insert are those in the fields sections
//
insertRowData = new Object[data.valuenrs.length];
for (int idx = 0; idx < data.valuenrs.length; idx++) {
insertRowData[idx] = r[data.valuenrs[idx]];
}
}
if (Const.isEmpty(tableName)) {
throw new KettleStepException("The tablename is not defined (empty)");
}
insertStatement = data.preparedStatements.get(tableName);
if (insertStatement == null) {
String sql =
data.db.getInsertStatement(
environmentSubstitute(meta.getSchemaName()), tableName, data.insertRowMeta);
if (log.isDetailed()) {
logDetailed("Prepared statement : " + sql);
}
insertStatement = data.db.prepareSQL(sql, meta.isReturningGeneratedKeys());
data.preparedStatements.put(tableName, insertStatement);
}
try {
// For PG & GP, we add a savepoint before the row.
// Then revert to the savepoint afterwards... (not a transaction, so hopefully still fast)
//
if (data.useSafePoints) {
data.savepoint = data.db.setSavepoint();
}
data.db.setValues(data.insertRowMeta, insertRowData, insertStatement);
data.db.insertRow(
insertStatement, data.batchMode, false); // false: no commit, it is handled in this step
// different
if (isRowLevel()) {
logRowlevel("Written row: " + data.insertRowMeta.getString(insertRowData));
}
// Get a commit counter per prepared statement to keep track of separate tables, etc.
//
Integer commitCounter = data.commitCounterMap.get(tableName);
if (commitCounter == null) {
commitCounter = Integer.valueOf(1);
} else {
commitCounter++;
}
data.commitCounterMap.put(tableName, Integer.valueOf(commitCounter.intValue()));
// Release the savepoint if needed
//
if (data.useSafePoints) {
if (data.releaseSavepoint) {
data.db.releaseSavepoint(data.savepoint);
}
}
// Perform a commit if needed
//
if ((data.commitSize > 0) && ((commitCounter % data.commitSize) == 0)) {
if (data.db.getUseBatchInsert(data.batchMode)) {
try {
insertStatement.executeBatch();
data.db.commit();
insertStatement.clearBatch();
} catch (SQLException ex) {
throw Database.createKettleDatabaseBatchException("Error updating batch", ex);
} catch (Exception ex) {
throw new KettleDatabaseException("Unexpected error inserting row", ex);
}
} else {
// insertRow normal commit
data.db.commit();
}
// Clear the batch/commit counter...
//
data.commitCounterMap.put(tableName, Integer.valueOf(0));
rowIsSafe = true;
} else {
rowIsSafe = false;
}
// See if we need to get back the keys as well...
if (meta.isReturningGeneratedKeys()) {
RowMetaAndData extraKeys = data.db.getGeneratedKeys(insertStatement);
if (extraKeys.getRowMeta().size() > 0) {
// Send out the good word!
// Only 1 key at the moment. (should be enough for now :-)
generatedKey = extraKeys.getRowMeta().getInteger(extraKeys.getData(), 0);
} else {
// we have to throw something here, else we don't know what the
// type is of the returned key(s) and we would violate our own rule
// that a hop should always contain rows of the same type.
throw new KettleStepException(
"No generated keys while \"return generated keys\" is active!");
}
}
} catch (KettleDatabaseBatchException be) {
errorMessage = be.toString();
batchProblem = true;
sendToErrorRow = true;
updateCounts = be.getUpdateCounts();
exceptionsList = be.getExceptionsList();
if (getStepMeta().isDoingErrorHandling()) {
data.db.clearBatch(insertStatement);
data.db.commit(true);
} else {
data.db.clearBatch(insertStatement);
data.db.rollback();
StringBuilder msg =
new StringBuilder("Error batch inserting rows into table [" + tableName + "].");
msg.append(Const.CR);
msg.append("Errors encountered (first 10):").append(Const.CR);
for (int x = 0; x < be.getExceptionsList().size() && x < 10; x++) {
Exception exception = be.getExceptionsList().get(x);
if (exception.getMessage() != null) {
msg.append(exception.getMessage()).append(Const.CR);
}
}
throw new KettleException(msg.toString(), be);
}
} catch (KettleDatabaseException dbe) {
if (getStepMeta().isDoingErrorHandling()) {
if (isRowLevel()) {
logRowlevel("Written row to error handling : " + getInputRowMeta().getString(r));
}
if (data.useSafePoints) {
data.db.rollback(data.savepoint);
if (data.releaseSavepoint) {
data.db.releaseSavepoint(data.savepoint);
}
// data.db.commit(true); // force a commit on the connection too.
}
sendToErrorRow = true;
errorMessage = dbe.toString();
} else {
if (meta.ignoreErrors()) {
if (data.warnings < 20) {
if (log.isBasic()) {
logBasic(
"WARNING: Couldn't insert row into table: "
+ rowMeta.getString(r)
+ Const.CR
+ dbe.getMessage());
}
} else if (data.warnings == 20) {
if (log.isBasic()) {
logBasic(
"FINAL WARNING (no more then 20 displayed): Couldn't insert row into table: "
+ rowMeta.getString(r)
+ Const.CR
+ dbe.getMessage());
}
}
data.warnings++;
} else {
setErrors(getErrors() + 1);
data.db.rollback();
throw new KettleException(
"Error inserting row into table ["
+ tableName
+ "] with values: "
+ rowMeta.getString(r),
dbe);
}
}
}
// We need to add a key
if (generatedKey != null) {
outputRowData = RowDataUtil.addValueData(outputRowData, rowMeta.size(), generatedKey);
}
if (data.batchMode) {
if (sendToErrorRow) {
if (batchProblem) {
data.batchBuffer.add(outputRowData);
outputRowData = null;
processBatchException(errorMessage, updateCounts, exceptionsList);
} else {
// Simply add this row to the error row
putError(rowMeta, r, 1L, errorMessage, null, "TOP001");
outputRowData = null;
}
} else {
data.batchBuffer.add(outputRowData);
outputRowData = null;
if (rowIsSafe) { // A commit was done and the rows are all safe (no error)
for (int i = 0; i < data.batchBuffer.size(); i++) {
Object[] row = data.batchBuffer.get(i);
putRow(data.outputRowMeta, row);
incrementLinesOutput();
}
// Clear the buffer
data.batchBuffer.clear();
}
}
} else {
if (sendToErrorRow) {
putError(rowMeta, r, 1, errorMessage, null, "TOP001");
outputRowData = null;
}
}
return outputRowData;
}
