@Override
public void addColumn(IndexColumn indexColumn) {
Table indexTable = indexColumn.getColumn().getTable();
Integer indexTableDepth = indexTable.getDepth();
assert indexTableDepth != null;
super.addColumn(indexColumn);
GroupIndexHelper.actOnGroupIndexTables(this, indexColumn, GroupIndexHelper.ADD);
// Add the table into our navigable map if needed. Confirm it's within the branch
ParticipatingTable participatingTable = tablesByDepth.get(indexTableDepth);
if (participatingTable == null) {
Map.Entry<Integer, ParticipatingTable> rootwardEntry =
tablesByDepth.floorEntry(indexTableDepth);
Map.Entry<Integer, ParticipatingTable> leafwardEntry =
tablesByDepth.ceilingEntry(indexTableDepth);
checkIndexTableInBranchNew(indexColumn, indexTable, indexTableDepth, rootwardEntry, true);
checkIndexTableInBranchNew(indexColumn, indexTable, indexTableDepth, leafwardEntry, false);
participatingTable = new ParticipatingTable(indexTable);
tablesByDepth.put(indexTableDepth, participatingTable);
} else if (participatingTable.table != indexTable) {
throw new BranchingGroupIndexException(
indexColumn.getIndex().getIndexName().getName(),
indexTable.getName(),
participatingTable.table.getName());
}
participatingTable.markInvolvedInIndex(indexColumn.getColumn());
}
private void computeFieldAssociations(
Map<Table, Integer> ordinalMap, Map<? extends Table, Integer> flattenedRowOffsets) {
freezeColumns();
allColumns = new ArrayList<>();
allColumns.addAll(keyColumns);
AssociationBuilder toIndexRowBuilder = new AssociationBuilder();
List<Column> indexColumns = new ArrayList<>();
// Add index key fields
for (IndexColumn iColumn : getKeyColumns()) {
Column column = iColumn.getColumn();
indexColumns.add(column);
toIndexRowBuilder.rowCompEntry(columnPosition(flattenedRowOffsets, column), -1);
}
// Add hkey fields not already included
int indexColumnPosition = indexColumns.size();
HKey hKey = hKey();
for (HKeySegment hKeySegment : hKey.segments()) {
Integer ordinal = ordinalMap.get(hKeySegment.table());
assert ordinal != null : hKeySegment.table();
for (HKeyColumn hKeyColumn : hKeySegment.columns()) {
Column undeclaredHKeyColumn = undeclaredHKeyColumn(hKeyColumn);
if (!indexColumns.contains(undeclaredHKeyColumn)) {
toIndexRowBuilder.rowCompEntry(
columnPosition(flattenedRowOffsets, undeclaredHKeyColumn), -1);
indexColumns.add(undeclaredHKeyColumn);
allColumns.add(
new IndexColumn(this, undeclaredHKeyColumn, indexColumnPosition++, true, 0));
}
}
}
indexRowComposition = toIndexRowBuilder.createIndexRowComposition();
computeHKeyDerivations(ordinalMap);
}
private int positionOf(Column column) {
for (IndexColumn indexColumn : allColumns) {
if (indexColumn.getColumn() == column) {
return indexColumn.getPosition();
}
}
return -1;
}
public List<String> getColumns() {
if (columns == null) return Collections.emptyList();
if (columns.size() > 1) {
Collections.sort(this.columns, IndexColumn.getSequenceSorter());
}
List<String> result = new ArrayList<>(columns.size());
for (IndexColumn col : columns) {
result.add(col.getColumn());
}
return result;
}
