/*
RangeVariable(Table table, String alias, OrderedHashSet columnList,
Index index, CompileContext compileContext) {
rangeTable = table;
tableAlias = alias;
columnAliases = columnList;
emptyData = rangeTable.getEmptyRowData();
columnsInGroupBy = rangeTable.getNewColumnCheckList();
usedColumns = rangeTable.getNewColumnCheckList();
rangeIndex = index;
compileContext.registerRangeVariable(this);
}
*/
RangeVariable(RangeVariable range) {
rangeTable = range.rangeTable;
tableAlias = null;
emptyData = rangeTable.getEmptyRowData();
columnsInGroupBy = rangeTable.getNewColumnCheckList();
usedColumns = rangeTable.getNewColumnCheckList();
rangeIndex = rangeTable.getPrimaryIndex();
rangePosition = range.rangePosition;
level = range.level;
}
public void setRangeTableVariables() {
if (columnAliasNames != null && rangeTable.getColumnCount() != columnAliasNames.length) {
throw Error.error(ErrorCode.X_42593);
}
emptyData = rangeTable.getEmptyRowData();
columnsInGroupBy = rangeTable.getNewColumnCheckList();
usedColumns = rangeTable.getNewColumnCheckList();
joinConditions[0].rangeIndex = rangeTable.getPrimaryIndex();
}
public RangeVariable(Table table, int position) {
rangeType = TABLE_RANGE;
rangeTable = table;
tableAlias = null;
emptyData = rangeTable.getEmptyRowData();
columnsInGroupBy = rangeTable.getNewColumnCheckList();
usedColumns = rangeTable.getNewColumnCheckList();
rangePosition = position;
joinConditions = new RangeVariableConditions[] {new RangeVariableConditions(this, true)};
whereConditions = new RangeVariableConditions[] {new RangeVariableConditions(this, false)};
}
/**
* Chooses certain query conditions and assigns a copy of them to this filter. The original
* condition is set to Expression.TRUE once assigned.
*
* @param condition
* @throws HsqlException
*/
void setConditions(Expression condition) throws HsqlException {
setCondition(condition);
if (filterIndex == null) {
filterIndex = filterTable.getPrimaryIndex();
}
if (filterIndex.getVisibleColumns() == 1
|| eStart == null
|| eAnd == null
|| eStart.exprType != Expression.EQUAL) {
return;
}
boolean[] check = filterTable.getNewColumnCheckList();
Expression[] expr = new Expression[check.length];
int colindex = eStart.getArg().getColumnNr();
check[colindex] = true;
expr[colindex] = eStart.getArg2();
eAnd.getEquiJoinColumns(this, check, expr);
if (ArrayUtil.containsAllTrueElements(check, filterIndex.colCheck)) {
isMultiFindFirst = true;
findFirstExpressions = expr;
}
}
/**
* Constructor declaration
*
* @param name HsqlName of the index
* @param table table of the index
* @param column array of column indexes
* @param type array of column types
* @param unique is this a unique index
* @param constraint does this index belonging to a constraint
* @param forward is this an auto-index for an FK that refers to a table defined after this table
* @param visColumns count of visible columns
*/
Index(
Database database,
HsqlName name,
Table table,
int[] column,
int[] type,
boolean isPk,
boolean unique,
boolean constraint,
boolean forward,
int[] pkcols,
int[] pktypes,
boolean temp) {
indexName = name;
colIndex = column;
colType = type;
pkCols = pkcols;
pkTypes = pktypes;
isUnique = unique;
isConstraint = constraint;
isForward = forward;
useRowId = (!isUnique && pkCols.length == 0) || (colIndex.length == 0);
colCheck = table.getNewColumnCheckList();
ArrayUtil.intIndexesToBooleanArray(colIndex, colCheck);
updatableIterators = Index.emptyIterator;
updatableIterators.next = updatableIterators.last = updatableIterators;
collation = database.collation;
isTemp = temp;
onCommitPreserve = table.onCommitPreserve;
}
RangeVariable(
Table table,
SimpleName alias,
OrderedHashSet columnList,
SimpleName[] columnNameList,
CompileContext compileContext) {
rangeTable = table;
tableAlias = alias;
columnAliases = columnList;
columnAliasNames = columnNameList;
emptyData = rangeTable.getEmptyRowData();
columnsInGroupBy = rangeTable.getNewColumnCheckList();
usedColumns = rangeTable.getNewColumnCheckList();
rangeIndex = rangeTable.getPrimaryIndex();
compileContext.registerRangeVariable(this);
}