public Collection<String> getPrimaryKeyWhereClauseNames() {
if (consistsOfSingleFromVariable()) {
Table table = ((FromVariable) expression.getWords().get(0)).getObject().getTable();
Collection<String> res = new ArrayList<String>();
Iterator<Field> iter = table.getPrimaryKeyFields().iterator();
while (iter.hasNext()) {
Field field = iter.next();
res.add(acceptWhereClauseFullName(DatabaseManager.getInstance().getQueryBuilder(), field));
}
return res;
} else {
System.err.println("Error : trying to get a field from a variable that does not know it");
return null;
}
}
public Collection<String> getPrimaryKeyColumnNames() {
if (consistsOfSingleFromVariable()) {
Table table = ((FromVariable) expression.getWords().get(0)).getObject().getTable();
Collection<String> res = new ArrayList<String>();
Iterator<Field> iter = table.getPrimaryKeyFields().iterator();
while (iter.hasNext()) {
Field field = iter.next();
res.add(getFullColumnName(field));
}
return res;
} else {
System.err.println("Error : trying to get a field from a variable that does not know it");
return null;
}
}