@Override
public Query apply(Function input, Context context) throws IOException {
Tuple<Reference, Literal> tuple = prepare(input);
if (tuple == null) {
return null;
}
String field = tuple.v1().info().ident().columnIdent().fqn();
Literal literal = tuple.v2();
CollectionType dataType = ((CollectionType) literal.valueType());
Set values = (Set) literal.value();
DataType innerType = dataType.innerType();
BytesRef[] terms = getBytesRefs(values, TermBuilder.forType(innerType));
TermsFilter termsFilter = new TermsFilter(field, terms);
return new FilteredQuery(Queries.newMatchAllQuery(), termsFilter);
}
@Override
protected Query applyArrayReference(
Reference arrayReference, Literal literal, Context context) throws IOException {
QueryBuilderHelper builder =
QueryBuilderHelper.forType(((CollectionType) arrayReference.valueType()).innerType());
return builder.eq(arrayReference.ident().columnIdent().fqn(), literal.value());
}
private TermsFilter termsFilter(String columnName, Literal arrayLiteral) {
TermsFilter termsFilter;
Object values = arrayLiteral.value();
if (values instanceof Collection) {
termsFilter =
new TermsFilter(
columnName,
getBytesRefs((Collection) values, TermBuilder.forType(arrayLiteral.valueType())));
} else {
termsFilter =
new TermsFilter(
columnName,
getBytesRefs((Object[]) values, TermBuilder.forType(arrayLiteral.valueType())));
}
return termsFilter;
}
@Nullable
private Function rewriteAndValidateFields(Function function, Context context) {
if (function.arguments().size() == 2) {
Symbol left = function.arguments().get(0);
Symbol right = function.arguments().get(1);
if (left.symbolType() == SymbolType.REFERENCE && right.symbolType().isValueSymbol()) {
Reference ref = (Reference) left;
if (ref.info().ident().columnIdent().equals(DocSysColumns.ID)) {
function.setArgument(
0,
new Reference(DocSysColumns.forTable(ref.ident().tableIdent(), DocSysColumns.UID)));
function.setArgument(
1,
Literal.newLiteral(
Uid.createUid(
Constants.DEFAULT_MAPPING_TYPE, ValueSymbolVisitor.STRING.process(right))));
} else {
String unsupportedMessage =
context.unsupportedMessage(ref.info().ident().columnIdent().name());
if (unsupportedMessage != null) {
throw new UnsupportedFeatureException(unsupportedMessage);
}
}
}
}
return function;
}
@Override
protected Query applyArrayReference(
Reference arrayReference, Literal literal, Context context) throws IOException {
// 1 < ANY (array_col) --> array_col > 1
return rangeQuery.toQuery(
arrayReference,
((CollectionType) arrayReference.valueType()).innerType(),
literal.value());
}
@Override
protected Query applyArrayReference(
Reference arrayReference, Literal literal, Context context) throws IOException {
String notLike =
negateWildcard(convertWildcardToRegex(BytesRefs.toString(literal.value())));
return new RegexpQuery(
new Term(arrayReference.info().ident().columnIdent().fqn(), notLike),
RegexpFlag.COMPLEMENT.value());
}
@Override
protected Query applyArrayLiteral(Reference reference, Literal arrayLiteral, Context context)
throws IOException {
// col like ANY (['a', 'b']) --> or(like(col, 'a'), like(col, 'b'))
BooleanQuery booleanQuery = new BooleanQuery();
booleanQuery.setMinimumNumberShouldMatch(1);
for (Object value : toIterable(arrayLiteral.value())) {
booleanQuery.add(
likeQuery.toQuery(reference, value, context), BooleanClause.Occur.SHOULD);
}
return booleanQuery;
}
@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());
}
@Override
protected Query applyArrayLiteral(Reference reference, Literal arrayLiteral, Context context)
throws IOException {
// col < ANY ([1,2,3]) --> or(col<1, col<2, col<3)
BooleanQuery booleanQuery = new BooleanQuery();
booleanQuery.setMinimumNumberShouldMatch(1);
for (Object value : toIterable(arrayLiteral.value())) {
booleanQuery.add(
inverseRangeQuery.toQuery(reference, reference.valueType(), value),
BooleanClause.Occur.SHOULD);
}
return booleanQuery;
}
@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
protected Query applyArrayReference(
Reference arrayReference, Literal literal, Context context) throws IOException {
// 1 != any ( col ) --> gt 1 or lt 1
String columnName = arrayReference.info().ident().columnIdent().fqn();
Object value = literal.value();
QueryBuilderHelper builder = QueryBuilderHelper.forType(arrayReference.valueType());
BooleanQuery query = new BooleanQuery();
query.setMinimumNumberShouldMatch(1);
query.add(
builder.rangeQuery(columnName, value, null, false, false), BooleanClause.Occur.SHOULD);
query.add(
builder.rangeQuery(columnName, null, value, false, false), BooleanClause.Occur.SHOULD);
return query;
}
@Override
protected Query applyArrayLiteral(Reference reference, Literal arrayLiteral, Context context)
throws IOException {
// col not like ANY (['a', 'b']) --> not(and(like(col, 'a'), like(col, 'b')))
BooleanQuery query = new BooleanQuery();
BooleanQuery notQuery = new BooleanQuery();
String columnName = reference.ident().columnIdent().fqn();
QueryBuilderHelper builder = QueryBuilderHelper.forType(reference.valueType());
for (Object value : toIterable(arrayLiteral.value())) {
notQuery.add(
builder.like(columnName, value, context.indexCache.filter()),
BooleanClause.Occur.MUST);
}
query.add(notQuery, BooleanClause.Occur.MUST_NOT);
return query;
}
@Override
protected Query applyArrayReference(
Reference arrayReference, Literal literal, Context context) throws IOException {
return likeQuery.toQuery(arrayReference, literal.value(), context);
}