private void evaluationJoinChain(TableFilter filter) {
TableMate table1 = (TableMate) filter.getTable();
Column[] columns1 = table1.getRuleColumns();
if (columns1 == null) {
throw new IllegalArgumentException("not sharding TableFilter");
}
ArrayList<IndexCondition> conditions = getIndexConditions(filter);
List<IndexCondition> masks = New.arrayList(10);
List<Column> compareColumns = New.arrayList(10);
for (Column column : columns1) {
for (IndexCondition condition : conditions) {
Column compareColumn = condition.getCompareColumn();
if ((condition.getMask(conditions) & IndexCondition.EQUALITY)
!= IndexCondition.EQUALITY) {
continue;
}
if (condition.getColumn() != column || compareColumn == null) {
continue;
}
masks.add(condition);
compareColumns.add(compareColumn);
}
}
Set<Table> tables = New.hashSet();
for (IndexCondition mask : masks) {
Column compareColumn = mask.getCompareColumn();
Table table = compareColumn.getTable();
if (!(table instanceof TableMate)) {
continue;
}
TableMate tableMate = (TableMate) table;
Column[] rc = tableMate.getRuleColumns();
if (compareColumns.containsAll(Arrays.asList(rc))) {
tables.add(table);
}
}
if (tables.isEmpty()) {
return;
}
for (Table table : tables) {
for (TableFilter tf : filters) {
if (tf.getTable() == table && !joinTableChain.contains(tf)) {
joinTableChain.add(tf);
evaluationJoinChain(tf);
}
}
}
}
/**
* Keep a collection of the columns to pass to update if a duplicate key happens, for MySQL-style
* INSERT ... ON DUPLICATE KEY UPDATE ....
*
* @param column the column
* @param expression the expression
*/
public void addAssignmentForDuplicate(Column column, Expression expression) {
if (duplicateKeyAssignmentMap == null) {
duplicateKeyAssignmentMap = New.hashMap();
}
if (duplicateKeyAssignmentMap.containsKey(column)) {
throw DbException.get(ErrorCode.DUPLICATE_COLUMN_NAME_1, column.getName());
}
duplicateKeyAssignmentMap.put(column, expression);
}