private int hashProjectedRow(Row row) {
int hash = 0;
for (int f = 0; f < fieldEvals.size(); f++) {
TEvaluatableExpression fieldEval = fieldEvals.get(f);
hash = hash ^ expressionAdapter.hash(storeAdapter, fieldEval, row, collator(f));
}
return hash;
}
public FilterBindingsCursor(
QueryContext context,
Cursor input,
int bindingPosition,
int depth,
List<? extends TPreparedExpression> expressions,
ExpressionAdapter<TPreparedExpression, TEvaluatableExpression> expressionAdapter) {
super(input, bindingPosition, depth);
this.storeAdapter = context.getStore();
this.expressionAdapter = expressionAdapter;
for (TPreparedExpression field : expressions) {
TEvaluatableExpression eval = expressionAdapter.evaluate(field, context);
fieldEvals.add(eval);
}
}
<EXPR> Execution(
QueryContext context,
QueryBindingsCursor bindingsCursor,
List<? extends EXPR> expressions,
ExpressionAdapter<EXPR, E> adapter) {
super(context);
this.inputCursor = input.cursor(context, bindingsCursor);
this.onPositiveBindingsCursor = new SingletonQueryBindingsCursor(null);
this.onPositiveCursor = onPositive.cursor(context, onPositiveBindingsCursor);
this.adapter = adapter;
for (EXPR field : expressions) {
E eval = adapter.evaluate(field, context);
fieldEvals.add(eval);
}
}