private Identifier convert(Identifier identifier) {
if (identifier == null || StringUtils.isBlank(identifier.getText())) {
return identifier;
}
return Identifier.toIdentifier(transformToPluralForm(identifier.getText()));
}
public Iterator sqlAlterStrings(
Dialect dialect,
Mapping p,
TableInformation tableInfo,
String defaultCatalog,
String defaultSchema)
throws HibernateException {
StringBuilder root =
new StringBuilder("alter table ")
.append(getQualifiedName(dialect, defaultCatalog, defaultSchema))
.append(' ')
.append(dialect.getAddColumnString());
Iterator iter = getColumnIterator();
List results = new ArrayList();
while (iter.hasNext()) {
final Column column = (Column) iter.next();
final ColumnInformation columnInfo =
tableInfo.getColumn(Identifier.toIdentifier(column.getName(), column.isQuoted()));
if (columnInfo == null) {
// the column doesnt exist at all.
StringBuilder alter =
new StringBuilder(root.toString())
.append(' ')
.append(column.getQuotedName(dialect))
.append(' ')
.append(column.getSqlType(dialect, p));
String defaultValue = column.getDefaultValue();
if (defaultValue != null) {
alter.append(" default ").append(defaultValue);
}
if (column.isNullable()) {
alter.append(dialect.getNullColumnString());
} else {
alter.append(" not null");
}
if (column.isUnique()) {
String keyName = Constraint.generateName("UK_", this, column);
UniqueKey uk = getOrCreateUniqueKey(keyName);
uk.addColumn(column);
alter.append(dialect.getUniqueDelegate().getColumnDefinitionUniquenessFragment(column));
}
if (column.hasCheckConstraint() && dialect.supportsColumnCheck()) {
alter.append(" check(").append(column.getCheckConstraint()).append(")");
}
String columnComment = column.getComment();
if (columnComment != null) {
alter.append(dialect.getColumnComment(columnComment));
}
alter.append(dialect.getAddColumnSuffixString());
results.add(alter.toString());
}
}
if (results.isEmpty()) {
Logger.getLogger(SchemaUpdate.class)
.debugf("No alter strings for table : %s", getQuotedName());
}
return results.iterator();
}
public void setSchema(String schema) {
this.schema = Identifier.toIdentifier(schema);
}
public void setCatalog(String catalog) {
this.catalog = Identifier.toIdentifier(catalog);
}
public void setName(String name) {
this.name = Identifier.toIdentifier(name);
}
