public void deParse(CreateTable createTable) {
buffer.append("CREATE TABLE ").append(createTable.getTable().getFullyQualifiedName());
if (createTable.getColumnDefinitions() != null) {
buffer.append(" (");
for (Iterator<ColumnDefinition> iter = createTable.getColumnDefinitions().iterator();
iter.hasNext(); ) {
ColumnDefinition columnDefinition = iter.next();
buffer.append(columnDefinition.getColumnName());
buffer.append(" ");
buffer.append(columnDefinition.getColDataType().toString());
if (columnDefinition.getColumnSpecStrings() != null) {
for (String s : columnDefinition.getColumnSpecStrings()) {
buffer.append(" ");
buffer.append(s);
}
}
if (iter.hasNext()) {
buffer.append(", ");
}
}
if (createTable.getIndexes() != null) {
for (Iterator<Index> iter = createTable.getIndexes().iterator(); iter.hasNext(); ) {
buffer.append(", ");
Index index = iter.next();
buffer.append(index.toString());
}
}
buffer.append(")");
}
}
public void parseCreate(
ArrayList<CreateTable> createqueries, Environment myDbEnvironment, File dataDir) {
try {
this.myDbEnvironment = myDbEnvironment;
// System.out.println(createqueries);
for (CreateTable ct : createqueries) {
// Open the database. Create it if it does not already exist.
DatabaseConfig dbConfig = new DatabaseConfig();
dbConfig.setAllowCreate(true);
dbConfig.setAllowCreate(true);
// dbConfig.setSortedDuplicates(true);
myDatabase = myDbEnvironment.openDatabase(null, ct.getTable().getName(), dbConfig);
for (File data : dataDir.listFiles()) {
if (data.getName().endsWith(".tbl") || data.getName().endsWith(".dat")) {
if (ct.getTable()
.getName()
.toLowerCase()
.equals(data.getName().substring(0, data.getName().lastIndexOf('.')))
|| ct.getTable()
.getName()
.toUpperCase()
.equals(data.getName().substring(0, data.getName().lastIndexOf('.')))) {
path = data;
}
}
}
ArrayList<ColumnDefinition> schema =
(ArrayList<ColumnDefinition>) ct.getColumnDefinitions();
// Start load phase
LoadPhase load = new LoadPhase(myDatabase, path, myDbEnvironment, schema);
if (ct.getTable().getName().equals("lineitem")
|| ct.getTable().getName().equals("LINEITEM")) {
myDatabase = load.processLineItem();
}
if (ct.getTable().getName().equals("orders") || ct.getTable().getName().equals("ORDERS")) {
myDatabase = load.processOrders();
}
if (ct.getTable().getName().equals("customer")
|| ct.getTable().getName().equals("CUSTOMER")) {
myDatabase = load.processCustomer();
}
if (ct.getTable().getName().equals("supplier")
|| ct.getTable().getName().equals("SUPPLIER")) {
myDatabase = load.processSupplier();
}
if (ct.getTable().getName().equals("partsupp")
|| ct.getTable().getName().equals("PARTSUPP")) {
myDatabase = load.processPartSupp();
}
if (ct.getTable().getName().equals("nation") || ct.getTable().getName().equals("NATION")) {
myDatabase = load.processNation();
}
if (ct.getTable().getName().equals("region") || ct.getTable().getName().equals("REGION")) {
myDatabase = load.processRegion();
}
if (myDatabase != null) {
myDatabase.close();
}
}
} catch (DatabaseException dbe) {
System.out.println("Error in database / environment" + dbe);
}
}