void addTableColumns(Expression expression, HashSet exclude) {
HsqlArrayList list = new HsqlArrayList();
Table table = getTable();
int count = table.getColumnCount();
for (int i = 0; i < count; i++) {
ColumnSchema column = table.getColumn(i);
String columnName =
columnAliases == null ? column.getName().name : (String) columnAliases.get(i);
if (exclude != null && exclude.contains(columnName)) {
continue;
}
Expression e = new ExpressionColumn(this, column, i);
list.add(e);
}
Expression[] nodes = new Expression[list.size()];
list.toArray(nodes);
expression.nodes = nodes;
}
/** Add all columns to a list of expressions */
void addTableColumns(HsqlArrayList exprList) {
if (namedJoinColumns != null) {
int count = exprList.size();
int position = 0;
for (int i = 0; i < count; i++) {
Expression e = (Expression) exprList.get(i);
String columnName = e.getColumnName();
if (namedJoinColumns.contains(columnName)) {
if (position != i) {
exprList.remove(i);
exprList.add(position, e);
}
e = getColumnExpression(columnName);
exprList.set(position, e);
position++;
}
}
}
addTableColumns(exprList, exprList.size(), namedJoinColumns);
}
public OrderedHashSet getUniqueColumnNameSet() {
OrderedHashSet set = new OrderedHashSet();
if (columnAliases != null) {
set.addAll(columnAliases);
return set;
}
for (int i = 0; i < rangeTable.columnList.size(); i++) {
String name = rangeTable.getColumn(i).getName().name;
boolean added = set.add(name);
if (!added) {
throw Error.error(ErrorCode.X_42578, name);
}
}
return set;
}
/**
* Retruns index for column
*
* @param columnName name of column
* @return int index or -1 if not found
*/
public int findColumn(String columnName) {
if (namedJoinColumnExpressions != null && namedJoinColumnExpressions.containsKey(columnName)) {
return -1;
}
if (variables != null) {
return variables.getIndex(columnName);
} else if (columnAliases != null) {
return columnAliases.getIndex(columnName);
} else {
return rangeTable.findColumn(columnName);
}
}
/** Add all columns to a list of expressions */
int addTableColumns(HsqlArrayList expList, int position, HashSet exclude) {
Table table = getTable();
int count = table.getColumnCount();
for (int i = 0; i < count; i++) {
ColumnSchema column = table.getColumn(i);
String columnName =
columnAliases == null ? column.getName().name : (String) columnAliases.get(i);
if (exclude != null && exclude.contains(columnName)) {
continue;
}
Expression e = new ExpressionColumn(this, column, i);
expList.add(position++, e);
}
return position;
}
