private String getRange(LUWDataPartition partition, Collection keyCols) {
StringBuffer buffer = new StringBuffer();
String startStr = "";
String endStr = "";
for (Iterator keyIter = keyCols.iterator(); keyIter.hasNext(); ) {
Column keyCol = (Column) keyIter.next();
for (Iterator iter = partition.getPartitionElements().iterator(); iter.hasNext(); ) {
LUWPartitionElement element = (LUWPartitionElement) iter.next();
Column column = element.getLUWPartitionExpression().getColumn();
if (column != keyCol) continue;
DataType type = element.getLUWPartitionExpression().getColumn().getDataType();
if (type instanceof CharacterStringDataType
|| type instanceof DateDataType
|| type instanceof TimeDataType) {
String rangeValue = element.getStarting();
if (rangeValue.equalsIgnoreCase("MINVALUE") || rangeValue.equalsIgnoreCase("MAXVALUE")) {
startStr += rangeValue;
} else {
startStr += this.getSingleQuotedString(rangeValue);
}
rangeValue = element.getEnding();
if (rangeValue.equalsIgnoreCase("MINVALUE") || rangeValue.equalsIgnoreCase("MAXVALUE")) {
endStr += rangeValue;
} else {
endStr += this.getSingleQuotedString(rangeValue);
}
} else {
startStr += element.getStarting();
endStr += element.getEnding();
}
if (keyIter.hasNext()) {
startStr += ",";
endStr += ",";
}
}
}
buffer
.append(SPACE)
.append(STARTING)
.append(SPACE)
.append(FROM)
.append(SPACE)
.append(LEFT_PARENTHESIS)
.append(startStr)
.append(RIGHT_PARENTHESIS)
.append(SPACE);
if (!partition.isLowInclusive()) {
buffer.append(SPACE).append(EXCLUSIVE).append(SPACE);
}
buffer
.append(ENDING)
.append(SPACE)
.append(AT)
.append(SPACE)
.append(LEFT_PARENTHESIS)
.append(endStr)
.append(RIGHT_PARENTHESIS);
if (!partition.isHighInclusive()) {
buffer.append(SPACE).append(EXCLUSIVE).append(SPACE);
}
return buffer.toString();
}
private String getRangePartitions(LUWDataPartitionKey partitionKey) {
StringBuffer buffer = new StringBuffer();
boolean hasKey = false;
StringBuffer keyBuffer = new StringBuffer();
keyBuffer
.append(NEWLINE)
.append(TAB)
.append(PARTITION_BY)
.append(SPACE)
.append(RANGE)
.append(LEFT_PARENTHESIS);
Collection keyCols = new ArrayList();
Iterator it = partitionKey.getPartitionExpressions().iterator();
while (it.hasNext()) {
hasKey = true;
LUWPartitionExpression expression = (LUWPartitionExpression) it.next();
Column column = expression.getColumn();
keyBuffer.append(column.getName());
keyCols.add(column);
if (expression.isNullsLast()) {
keyBuffer.append(SPACE).append(NULLS_LAST);
}
if (it.hasNext()) {
keyBuffer.append(", "); // $NON-NLS-1$
}
}
keyBuffer.append(RIGHT_PARENTHESIS); // $NON-NLS-1$
if (hasKey) {
buffer.append(keyBuffer);
}
boolean hasDataPartition = false;
StringBuffer datapartBuffer = new StringBuffer();
datapartBuffer.append(NEWLINE).append(TAB).append(LEFT_PARENTHESIS);
LUWStorageTable table = partitionKey.getTable();
for (Iterator iter = table.getDataPartitions().iterator(); iter.hasNext(); ) {
hasDataPartition = true;
LUWDataPartition partition = (LUWDataPartition) iter.next();
String partName = partition.getName();
if (partName != null && !partName.equals("")) {
datapartBuffer.append(PARTITION).append(SPACE).append(partName);
}
datapartBuffer.append(this.getRange(partition, keyCols));
LUWTableSpace tsp = partition.getRegularDataTableSpace();
if (tsp != null) {
datapartBuffer.append(SPACE).append(IN).append(SPACE).append(tsp.getName());
}
tsp = partition.getLOBDataTableSpace();
if (tsp != null) {
datapartBuffer
.append(SPACE)
.append(LONG)
.append(SPACE)
.append(IN)
.append(SPACE)
.append(tsp.getName());
}
if (iter.hasNext()) {
datapartBuffer.append(", ").append(NEWLINE).append(TAB); // $NON-NLS-1$
}
}
datapartBuffer.append(RIGHT_PARENTHESIS);
if (hasDataPartition) {
buffer.append(datapartBuffer);
}
return buffer.toString();
}
