private static CharSequence createElementSQLJoin(
final Map<Class, String> joinTabalis, final EntityInfo info, final FilterJoinNode node) {
if (node.joinClass == null) return null;
StringBuilder sb = new StringBuilder();
String[] joinColumns = node.joinColumns;
sb.append(" INNER JOIN ")
.append(node.joinEntity.getTable())
.append(" ")
.append(joinTabalis.get(node.joinClass))
.append(" ON ")
.append(info.getSQLColumn("a", joinColumns[0]))
.append(" = ")
.append(node.joinEntity.getSQLColumn(joinTabalis.get(node.joinClass), joinColumns[0]));
for (int i = 1; i < joinColumns.length; i++) {
sb.append(" AND ")
.append(info.getSQLColumn("a", joinColumns[i]))
.append(" = ")
.append(node.joinEntity.getSQLColumn(joinTabalis.get(node.joinClass), joinColumns[i]));
}
return sb;
}
