@Override
protected Query applyArrayLiteral(Reference reference, Literal arrayLiteral, Context context)
throws IOException {
// col != ANY ([1,2,3]) --> not(col=1 and col=2 and col=3)
String columnName = reference.info().ident().columnIdent().fqn();
QueryBuilderHelper builder = QueryBuilderHelper.forType(reference.valueType());
BooleanFilter filter = new BooleanFilter();
BooleanFilter notFilter = new BooleanFilter();
for (Object value : toIterable(arrayLiteral.value())) {
notFilter.add(builder.eqFilter(columnName, value), BooleanClause.Occur.MUST);
}
filter.add(notFilter, BooleanClause.Occur.MUST_NOT);
return new FilteredQuery(Queries.newMatchAllQuery(), filter);
}
@Override
public Query apply(Function input, Context context) {
Tuple<Reference, Literal> tuple = super.prepare(input);
if (tuple == null) {
return null;
}
Reference reference = tuple.v1();
Literal literal = tuple.v2();
String columnName = reference.info().ident().columnIdent().fqn();
if (DataTypes.isCollectionType(reference.valueType())
&& DataTypes.isCollectionType(literal.valueType())) {
// create boolean filter with term filters to pre-filter the result before applying the
// functionQuery.
BooleanFilter boolTermsFilter = new BooleanFilter();
DataType type = literal.valueType();
while (DataTypes.isCollectionType(type)) {
type = ((CollectionType) type).innerType();
}
QueryBuilderHelper builder = QueryBuilderHelper.forType(type);
Object value = literal.value();
buildTermsQuery(boolTermsFilter, value, columnName, builder);
if (boolTermsFilter.clauses().isEmpty()) {
// all values are null...
return genericFunctionQuery(input, context);
}
// wrap boolTermsFilter and genericFunction filter in an additional BooleanFilter to
// control the ordering of the filters
// termsFilter is applied first
// afterwards the more expensive genericFunctionFilter
BooleanFilter filterClauses = new BooleanFilter();
filterClauses.add(boolTermsFilter, BooleanClause.Occur.MUST);
filterClauses.add(genericFunctionFilter(input, context), BooleanClause.Occur.MUST);
return new FilteredQuery(Queries.newMatchAllQuery(), filterClauses);
}
QueryBuilderHelper builder = QueryBuilderHelper.forType(tuple.v1().valueType());
return builder.eq(columnName, tuple.v2().value());
}
private void buildTermsQuery(
BooleanFilter booleanFilter,
Object value,
String columnName,
QueryBuilderHelper builder) {
if (value == null) {
return;
}
if (value.getClass().isArray()) {
Object[] array = (Object[]) value;
for (Object o : array) {
buildTermsQuery(booleanFilter, o, columnName, builder);
}
} else {
booleanFilter.add(builder.eqFilter(columnName, value), BooleanClause.Occur.MUST);
}
}
@Override
public Query apply(Function input, Context context) {
assert input != null;
assert input.arguments().size() == 1;
Symbol arg = input.arguments().get(0);
if (arg.symbolType() != SymbolType.REFERENCE) {
return null;
}
Reference reference = (Reference) arg;
String columnName = reference.info().ident().columnIdent().fqn();
QueryBuilderHelper builderHelper = QueryBuilderHelper.forType(reference.valueType());
BooleanFilter boolFilter = new BooleanFilter();
boolFilter.add(
builderHelper.rangeFilter(columnName, null, null, true, true),
BooleanClause.Occur.MUST_NOT);
return new FilteredQuery(Queries.newMatchAllQuery(), boolFilter);
}