public String sqlCreateString(
Dialect dialect, Mapping p, String defaultCatalog, String defaultSchema)
throws HibernateException {
StringBuffer buf =
new StringBuffer("create table ")
.append(getQualifiedName(dialect, defaultCatalog, defaultSchema))
.append(" (");
boolean identityColumn = idValue != null && idValue.isIdentityColumn(dialect);
// Try to find out the name of the primary key to create it as identity if the IdentityGenerator
// is used
String pkname = null;
if (hasPrimaryKey() && identityColumn) {
pkname = ((Column) getPrimaryKey().getColumnIterator().next()).getQuotedName(dialect);
}
Iterator iter = getColumnIterator();
while (iter.hasNext()) {
Column col = (Column) iter.next();
buf.append(col.getQuotedName(dialect)).append(' ');
if (identityColumn && col.getQuotedName(dialect).equals(pkname)) {
// to support dialects that have their own identity data type
if (dialect.hasDataTypeInIdentityColumn()) {
buf.append(col.getSqlType(dialect, p));
}
buf.append(' ').append(dialect.getIdentityColumnString(col.getSqlTypeCode(p)));
} else {
buf.append(col.getSqlType(dialect, p));
String defaultValue = col.getDefaultValue();
if (defaultValue != null) {
buf.append(" default ").append(defaultValue);
}
if (col.isNullable()) {
buf.append(dialect.getNullColumnString());
} else {
buf.append(" not null");
}
}
boolean useUniqueConstraint =
col.isUnique() && (!col.isNullable() || dialect.supportsNotNullUnique());
if (useUniqueConstraint) {
if (dialect.supportsUnique()) {
buf.append(" unique");
} else {
UniqueKey uk = getOrCreateUniqueKey(col.getQuotedName(dialect) + '_');
uk.addColumn(col);
}
}
if (col.hasCheckConstraint() && dialect.supportsColumnCheck()) {
buf.append(" check (").append(col.getCheckConstraint()).append(")");
}
String columnComment = col.getComment();
if (columnComment != null) {
buf.append(dialect.getColumnComment(columnComment));
}
if (iter.hasNext()) buf.append(", ");
}
if (hasPrimaryKey()) {
buf.append(", ").append(getPrimaryKey().sqlConstraintString(dialect));
}
if (dialect.supportsUniqueConstraintInCreateAlterTable()) {
Iterator ukiter = getUniqueKeyIterator();
while (ukiter.hasNext()) {
UniqueKey uk = (UniqueKey) ukiter.next();
buf.append(", ").append(uk.sqlConstraintString(dialect));
}
}
/*Iterator idxiter = getIndexIterator();
while ( idxiter.hasNext() ) {
Index idx = (Index) idxiter.next();
buf.append(',').append( idx.sqlConstraintString(dialect) );
}*/
if (dialect.supportsTableCheck()) {
Iterator chiter = checkConstraints.iterator();
while (chiter.hasNext()) {
buf.append(", check (").append(chiter.next()).append(')');
}
}
buf.append(')');
if (comment != null) buf.append(dialect.getTableComment(comment));
return buf.append(dialect.getTableTypeString()).toString();
}
public Iterator sqlAlterStrings(
Dialect dialect,
Mapping p,
TableMetadata tableInfo,
String defaultCatalog,
String defaultSchema)
throws HibernateException {
StringBuffer root =
new StringBuffer("alter table ")
.append(getQualifiedName(dialect, defaultCatalog, defaultSchema))
.append(' ')
.append(dialect.getAddColumnString());
Iterator iter = getColumnIterator();
List results = new ArrayList();
while (iter.hasNext()) {
Column column = (Column) iter.next();
ColumnMetadata columnInfo = tableInfo.getColumnMetadata(column.getName());
if (columnInfo == null) {
// the column doesnt exist at all.
StringBuffer alter =
new StringBuffer(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");
}
}
boolean useUniqueConstraint =
column.isUnique()
&& dialect.supportsUnique()
&& (!column.isNullable() || dialect.supportsNotNullUnique());
if (useUniqueConstraint) {
alter.append(" unique");
}
if (column.hasCheckConstraint() && dialect.supportsColumnCheck()) {
alter.append(" check(").append(column.getCheckConstraint()).append(")");
}
String columnComment = column.getComment();
if (columnComment != null) alter.append(dialect.getColumnComment(columnComment));
results.add(alter.toString());
}
}
return results.iterator();
}