add querying for basic types
This commit is contained in:
parent
f7b4fd6f4a
commit
9a90c9c8a3
|
@ -0,0 +1,20 @@
|
|||
|
||||
|
||||
void RLMUpdateQueryWithPredicate(realm::Query *query, NSPredicate *predicate, RLMSchema *schema,
|
||||
RLMObjectSchema *objectSchema)
|
||||
{
|
||||
// passing a nil predicate is a no-op
|
||||
if (!predicate) {
|
||||
return;
|
||||
}
|
||||
|
||||
RLMPrecondition([predicate isKindOfClass:NSPredicate.class], @"Invalid argument",
|
||||
@"predicate must be an NSPredicate object");
|
||||
|
||||
update_query_with_predicate(predicate, schema, objectSchema, *query);
|
||||
|
||||
// Test the constructed query in core
|
||||
std::string validateMessage = query->validate();
|
||||
RLMPrecondition(validateMessage.empty(), @"Invalid query", @"%.*s",
|
||||
(int)validateMessage.size(), validateMessage.c_str());
|
||||
}
|
|
@ -64,10 +64,21 @@ JSObjectRef RJSResultsCreate(JSContextRef ctx, SharedRealm realm, std::string cl
|
|||
return RJSWrapObject<Results *>(ctx, RJSResultsClass(), new Results(realm, realm->config().schema->at(className), table->where()));
|
||||
}
|
||||
|
||||
|
||||
void RLMUpdateQueryWithPredicate(realm::Query *query, NSPredicate *predicate, realm::Schema &schema, realm::ObjectSchema &objectSchema);
|
||||
|
||||
JSObjectRef RJSResultsCreate(JSContextRef ctx, SharedRealm realm, std::string className, std::string queryString) {
|
||||
TableRef table = ObjectStore::table_for_object_type(realm->read_group(), className);
|
||||
Query query = table->where();
|
||||
return RJSWrapObject<Results *>(ctx, RJSResultsClass(), new Results(realm, realm->config().schema->at(className), std::move(query)));
|
||||
Schema &schema = *realm->config().schema;
|
||||
ObjectSchema &object_schema = realm->config().schema->at(className);
|
||||
@try {
|
||||
RLMUpdateQueryWithPredicate(&query, [NSPredicate predicateWithFormat:@(queryString.c_str())], schema, object_schema);
|
||||
}
|
||||
@catch(NSException *ex) {
|
||||
throw std::runtime_error(ex.description.UTF8String);
|
||||
}
|
||||
return RJSWrapObject<Results *>(ctx, RJSResultsClass(), new Results(realm, object_schema, std::move(query)));
|
||||
}
|
||||
|
||||
|
||||
|
|
|
@ -173,3 +173,4 @@ static inline bool RJSIsValueObjectOfType(JSContextRef ctx, JSValueRef value, JS
|
|||
}
|
||||
|
||||
bool RJSIsValueArray(JSContextRef ctx, JSValueRef value);
|
||||
|
||||
|
|
543
src/RJSUtil.mm
543
src/RJSUtil.mm
|
@ -83,4 +83,545 @@ JSValueRef RJSValueForString(JSContextRef ctx, const std::string &str) {
|
|||
bool RJSIsValueArray(JSContextRef ctx, JSValueRef value) {
|
||||
static JSStringRef arrayString = JSStringCreateWithUTF8CString("Array");
|
||||
return RJSIsValueObjectOfType(ctx, value, arrayString);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
#include <realm.hpp>
|
||||
#include "object_store.hpp"
|
||||
|
||||
// check a precondition and throw an exception if it is not met
|
||||
// this should be used iff the condition being false indicates a bug in the caller
|
||||
// of the function checking its preconditions
|
||||
static void RLMPrecondition(bool condition, NSString *name, NSString *format, ...) {
|
||||
if (__builtin_expect(condition, 1)) {
|
||||
return;
|
||||
}
|
||||
|
||||
va_list args;
|
||||
va_start(args, format);
|
||||
NSString *reason = [[NSString alloc] initWithFormat:format arguments:args];
|
||||
va_end(args);
|
||||
|
||||
throw std::runtime_error(reason.UTF8String);
|
||||
}
|
||||
|
||||
// FIXME: TrueExpression and FalseExpression should be supported by core in some way
|
||||
struct TrueExpression : realm::Expression {
|
||||
size_t find_first(size_t start, size_t end) const override
|
||||
{
|
||||
if (start != end)
|
||||
return start;
|
||||
|
||||
return realm::not_found;
|
||||
}
|
||||
void set_table() override {}
|
||||
const realm::Table* get_table() override { return nullptr; }
|
||||
};
|
||||
|
||||
struct FalseExpression : realm::Expression {
|
||||
size_t find_first(size_t, size_t) const override { return realm::not_found; }
|
||||
void set_table() override {}
|
||||
const realm::Table* get_table() override { return nullptr; }
|
||||
};
|
||||
|
||||
NSString *operatorName(NSPredicateOperatorType operatorType)
|
||||
{
|
||||
switch (operatorType) {
|
||||
case NSLessThanPredicateOperatorType:
|
||||
return @"<";
|
||||
case NSLessThanOrEqualToPredicateOperatorType:
|
||||
return @"<=";
|
||||
case NSGreaterThanPredicateOperatorType:
|
||||
return @">";
|
||||
case NSGreaterThanOrEqualToPredicateOperatorType:
|
||||
return @">=";
|
||||
case NSEqualToPredicateOperatorType:
|
||||
return @"==";
|
||||
case NSNotEqualToPredicateOperatorType:
|
||||
return @"!=";
|
||||
case NSMatchesPredicateOperatorType:
|
||||
return @"MATCHES";
|
||||
case NSLikePredicateOperatorType:
|
||||
return @"LIKE";
|
||||
case NSBeginsWithPredicateOperatorType:
|
||||
return @"BEGINSWITH";
|
||||
case NSEndsWithPredicateOperatorType:
|
||||
return @"ENDSWITH";
|
||||
case NSInPredicateOperatorType:
|
||||
return @"IN";
|
||||
case NSContainsPredicateOperatorType:
|
||||
return @"CONTAINS";
|
||||
case NSBetweenPredicateOperatorType:
|
||||
return @"BETWEENS";
|
||||
case NSCustomSelectorPredicateOperatorType:
|
||||
return @"custom selector";
|
||||
}
|
||||
|
||||
return [NSString stringWithFormat:@"unknown operator %lu", (unsigned long)operatorType];
|
||||
}
|
||||
|
||||
// add a clause for numeric constraints based on operator type
|
||||
template <typename A, typename B>
|
||||
void add_numeric_constraint_to_query(realm::Query& query,
|
||||
realm::PropertyType datatype,
|
||||
NSPredicateOperatorType operatorType,
|
||||
A lhs,
|
||||
B rhs)
|
||||
{
|
||||
switch (operatorType) {
|
||||
case NSLessThanPredicateOperatorType:
|
||||
query.and_query(lhs < rhs);
|
||||
break;
|
||||
case NSLessThanOrEqualToPredicateOperatorType:
|
||||
query.and_query(lhs <= rhs);
|
||||
break;
|
||||
case NSGreaterThanPredicateOperatorType:
|
||||
query.and_query(lhs > rhs);
|
||||
break;
|
||||
case NSGreaterThanOrEqualToPredicateOperatorType:
|
||||
query.and_query(lhs >= rhs);
|
||||
break;
|
||||
case NSEqualToPredicateOperatorType:
|
||||
query.and_query(lhs == rhs);
|
||||
break;
|
||||
case NSNotEqualToPredicateOperatorType:
|
||||
query.and_query(lhs != rhs);
|
||||
break;
|
||||
default: {
|
||||
NSString *error = [NSString stringWithFormat:@"Operator '%@' not supported for type %s", operatorName(operatorType), realm::string_for_property_type(datatype)];
|
||||
throw std::runtime_error(error.UTF8String);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template <typename A, typename B>
|
||||
void add_bool_constraint_to_query(realm::Query &query, NSPredicateOperatorType operatorType, A lhs, B rhs) {
|
||||
switch (operatorType) {
|
||||
case NSEqualToPredicateOperatorType:
|
||||
query.and_query(lhs == rhs);
|
||||
break;
|
||||
case NSNotEqualToPredicateOperatorType:
|
||||
query.and_query(lhs != rhs);
|
||||
break;
|
||||
default: {
|
||||
NSString *error = [NSString stringWithFormat:@"Operator '%@' not supported for bool type", operatorName(operatorType)];
|
||||
throw std::runtime_error(error.UTF8String);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void add_string_constraint_to_query(realm::Query &query,
|
||||
NSPredicateOperatorType operatorType,
|
||||
NSComparisonPredicateOptions predicateOptions,
|
||||
realm::Columns<realm::String> &&column,
|
||||
NSString *value) {
|
||||
bool caseSensitive = !(predicateOptions & NSCaseInsensitivePredicateOption);
|
||||
bool diacriticInsensitive = (predicateOptions & NSDiacriticInsensitivePredicateOption);
|
||||
RLMPrecondition(!diacriticInsensitive, @"Invalid predicate option",
|
||||
@"NSDiacriticInsensitivePredicateOption not supported for string type");
|
||||
|
||||
realm::StringData sd = value.UTF8String;
|
||||
switch (operatorType) {
|
||||
case NSBeginsWithPredicateOperatorType:
|
||||
query.and_query(column.begins_with(sd, caseSensitive));
|
||||
break;
|
||||
case NSEndsWithPredicateOperatorType:
|
||||
query.and_query(column.ends_with(sd, caseSensitive));
|
||||
break;
|
||||
case NSContainsPredicateOperatorType:
|
||||
query.and_query(column.contains(sd, caseSensitive));
|
||||
break;
|
||||
case NSEqualToPredicateOperatorType:
|
||||
query.and_query(column.equal(sd, caseSensitive));
|
||||
break;
|
||||
case NSNotEqualToPredicateOperatorType:
|
||||
query.and_query(column.not_equal(sd, caseSensitive));
|
||||
break;
|
||||
default: {
|
||||
NSString *error = [NSString stringWithFormat:@"Operator '%@' not supported for string type", operatorName(operatorType)];
|
||||
throw std::runtime_error(error.UTF8String);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void add_string_constraint_to_query(realm::Query& query,
|
||||
NSPredicateOperatorType operatorType,
|
||||
NSComparisonPredicateOptions predicateOptions,
|
||||
NSString *value,
|
||||
realm::Columns<realm::String>&& column) {
|
||||
switch (operatorType) {
|
||||
case NSEqualToPredicateOperatorType:
|
||||
case NSNotEqualToPredicateOperatorType:
|
||||
add_string_constraint_to_query(query, operatorType, predicateOptions, std::move(column), value);
|
||||
break;
|
||||
default: {
|
||||
NSString *error = [NSString stringWithFormat:@"Operator '%@' is not supported for string type with key path on right side of operator",
|
||||
operatorName(operatorType)];
|
||||
throw std::runtime_error(error.UTF8String);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template<typename T>
|
||||
static inline T *RLMDynamicCast(__unsafe_unretained id obj) {
|
||||
if ([obj isKindOfClass:[T class]]) {
|
||||
return obj;
|
||||
}
|
||||
return nil;
|
||||
}
|
||||
|
||||
id value_from_constant_expression_or_value(id value) {
|
||||
if (NSExpression *exp = RLMDynamicCast<NSExpression>(value)) {
|
||||
RLMPrecondition(exp.expressionType == NSConstantValueExpressionType,
|
||||
@"Invalid value",
|
||||
@"Expressions within predicate aggregates must be constant values");
|
||||
return exp.constantValue;
|
||||
}
|
||||
return value;
|
||||
}
|
||||
|
||||
// iterate over an array of subpredicates, using @func to build a query from each
|
||||
// one and ORing them together
|
||||
template<typename Func>
|
||||
void process_or_group(realm::Query &query, id array, Func&& func) {
|
||||
RLMPrecondition([array conformsToProtocol:@protocol(NSFastEnumeration)],
|
||||
@"Invalid value", @"IN clause requires an array of items");
|
||||
|
||||
query.group();
|
||||
|
||||
bool first = true;
|
||||
for (id item in array) {
|
||||
if (!first) {
|
||||
query.Or();
|
||||
}
|
||||
first = false;
|
||||
|
||||
func(item);
|
||||
}
|
||||
|
||||
if (first) {
|
||||
// Queries can't be empty, so if there's zero things in the OR group
|
||||
// validation will fail. Work around this by adding an expression which
|
||||
// will never find any rows in a table.
|
||||
query.expression(new FalseExpression);
|
||||
}
|
||||
|
||||
query.end_group();
|
||||
}
|
||||
|
||||
template <typename RequestedType, typename TableGetter>
|
||||
struct ColumnOfTypeHelper {
|
||||
static realm::Columns<RequestedType> convert(TableGetter&& table, NSUInteger idx)
|
||||
{
|
||||
return table()->template column<RequestedType>(idx);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename TableGetter>
|
||||
struct ColumnOfTypeHelper<realm::DateTime, TableGetter> {
|
||||
static realm::Columns<realm::Int> convert(TableGetter&& table, NSUInteger idx)
|
||||
{
|
||||
return table()->template column<realm::Int>(idx);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename RequestedType, typename TableGetter>
|
||||
struct ValueOfTypeHelper;
|
||||
|
||||
template <typename TableGetter>
|
||||
struct ValueOfTypeHelper<realm::DateTime, TableGetter> {
|
||||
static realm::Int convert(TableGetter&&, id value)
|
||||
{
|
||||
return [value timeIntervalSince1970];
|
||||
}
|
||||
};
|
||||
|
||||
template <typename TableGetter>
|
||||
struct ValueOfTypeHelper<bool, TableGetter> {
|
||||
static bool convert(TableGetter&&, id value)
|
||||
{
|
||||
return [value boolValue];
|
||||
}
|
||||
};
|
||||
|
||||
template <typename TableGetter>
|
||||
struct ValueOfTypeHelper<realm::Double, TableGetter> {
|
||||
static realm::Double convert(TableGetter&&, id value)
|
||||
{
|
||||
return [value doubleValue];
|
||||
}
|
||||
};
|
||||
|
||||
template <typename TableGetter>
|
||||
struct ValueOfTypeHelper<realm::Float, TableGetter> {
|
||||
static realm::Float convert(TableGetter&&, id value)
|
||||
{
|
||||
return [value floatValue];
|
||||
}
|
||||
};
|
||||
|
||||
template <typename TableGetter>
|
||||
struct ValueOfTypeHelper<realm::Int, TableGetter> {
|
||||
static realm::Int convert(TableGetter&&, id value)
|
||||
{
|
||||
return [value longLongValue];
|
||||
}
|
||||
};
|
||||
|
||||
template <typename TableGetter>
|
||||
struct ValueOfTypeHelper<realm::String, TableGetter> {
|
||||
static id convert(TableGetter&&, id value)
|
||||
{
|
||||
return value;
|
||||
}
|
||||
};
|
||||
|
||||
template <typename RequestedType, typename Value, typename TableGetter>
|
||||
auto value_of_type_for_query(TableGetter&& tables, Value&& value)
|
||||
{
|
||||
const bool isColumnIndex = std::is_same<NSUInteger, typename std::remove_reference<Value>::type>::value;
|
||||
using helper = std::conditional_t<isColumnIndex,
|
||||
ColumnOfTypeHelper<RequestedType, TableGetter>,
|
||||
ValueOfTypeHelper<RequestedType, TableGetter>>;
|
||||
return helper::convert(std::forward<TableGetter>(tables), std::forward<Value>(value));
|
||||
}
|
||||
|
||||
template <typename... T>
|
||||
void add_constraint_to_query(realm::Query &query, realm::PropertyType type,
|
||||
NSPredicateOperatorType operatorType,
|
||||
NSComparisonPredicateOptions predicateOptions,
|
||||
std::vector<NSUInteger> linkColumns, T... values)
|
||||
{
|
||||
static_assert(sizeof...(T) == 2, "add_constraint_to_query accepts only two values as arguments");
|
||||
|
||||
auto table = [&] {
|
||||
realm::TableRef& tbl = query.get_table();
|
||||
for (NSUInteger col : linkColumns) {
|
||||
tbl->link(col); // mutates m_link_chain on table
|
||||
}
|
||||
return tbl.get();
|
||||
};
|
||||
|
||||
switch (type) {
|
||||
case realm::PropertyTypeBool:
|
||||
add_bool_constraint_to_query(query, operatorType, value_of_type_for_query<bool>(table, values)...);
|
||||
break;
|
||||
case realm::PropertyTypeDate:
|
||||
add_numeric_constraint_to_query(query, type, operatorType, value_of_type_for_query<realm::DateTime>(table, values)...);
|
||||
break;
|
||||
case realm::PropertyTypeDouble:
|
||||
add_numeric_constraint_to_query(query, type, operatorType, value_of_type_for_query<realm::Double>(table, values)...);
|
||||
break;
|
||||
case realm::PropertyTypeFloat:
|
||||
add_numeric_constraint_to_query(query, type, operatorType, value_of_type_for_query<realm::Float>(table, values)...);
|
||||
break;
|
||||
case realm::PropertyTypeInt:
|
||||
add_numeric_constraint_to_query(query, type, operatorType, value_of_type_for_query<realm::Int>(table, values)...);
|
||||
break;
|
||||
case realm::PropertyTypeString:
|
||||
case realm::PropertyTypeData:
|
||||
add_string_constraint_to_query(query, operatorType, predicateOptions, value_of_type_for_query<realm::String>(table, values)...);
|
||||
break;
|
||||
default: {
|
||||
NSString *error = [NSString stringWithFormat:@"Object type %s not supported", realm::string_for_property_type(type)];
|
||||
throw std::runtime_error(error.UTF8String);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
realm::Property *get_property_from_key_path(realm::Schema &schema, realm::ObjectSchema &desc,
|
||||
NSString *keyPath, std::vector<NSUInteger> &indexes, bool isAny)
|
||||
{
|
||||
realm::Property *prop = nullptr;
|
||||
|
||||
NSString *prevPath = nil;
|
||||
NSUInteger start = 0, length = keyPath.length, end = NSNotFound;
|
||||
do {
|
||||
end = [keyPath rangeOfString:@"." options:0 range:{start, length - start}].location;
|
||||
NSString *path = [keyPath substringWithRange:{start, end == NSNotFound ? length - start : end - start}];
|
||||
if (prop) {
|
||||
RLMPrecondition(prop->type == realm::PropertyTypeObject || prop->type == realm::PropertyTypeArray,
|
||||
@"Invalid value", @"Property '%@' is not a link in object of type '%s'", prevPath, desc.name.c_str());
|
||||
indexes.push_back(prop->table_column);
|
||||
prop = desc.property_for_name(path.UTF8String);
|
||||
RLMPrecondition(prop, @"Invalid property name",
|
||||
@"Property '%@' not found in object of type '%s'", path, desc.name.c_str());
|
||||
}
|
||||
else {
|
||||
prop = desc.property_for_name(path.UTF8String);
|
||||
RLMPrecondition(prop, @"Invalid property name",
|
||||
@"Property '%@' not found in object of type '%s'", path, desc.name.c_str());
|
||||
|
||||
if (isAny) {
|
||||
RLMPrecondition(prop->type == realm::PropertyTypeArray,
|
||||
@"Invalid predicate",
|
||||
@"ANY modifier can only be used for RLMArray properties");
|
||||
}
|
||||
else {
|
||||
RLMPrecondition(prop->type != realm::PropertyTypeArray,
|
||||
@"Invalid predicate",
|
||||
@"RLMArray predicates must contain the ANY modifier");
|
||||
}
|
||||
}
|
||||
|
||||
if (prop->object_type.length()) {
|
||||
desc = schema.at(prop->object_type);
|
||||
}
|
||||
prevPath = path;
|
||||
start = end + 1;
|
||||
} while (end != NSNotFound);
|
||||
|
||||
return prop;
|
||||
}
|
||||
|
||||
void update_query_with_value_expression(realm::Schema &schema,
|
||||
realm::ObjectSchema &desc,
|
||||
realm::Query &query,
|
||||
NSString *keyPath,
|
||||
id value,
|
||||
NSComparisonPredicate *pred)
|
||||
{
|
||||
bool isAny = pred.comparisonPredicateModifier == NSAnyPredicateModifier;
|
||||
std::vector<NSUInteger> indexes;
|
||||
realm::Property *prop = get_property_from_key_path(schema, desc, keyPath, indexes, isAny);
|
||||
|
||||
NSUInteger index = prop->table_column;
|
||||
|
||||
// check to see if this is a between query
|
||||
if (pred.predicateOperatorType == NSBetweenPredicateOperatorType) {
|
||||
throw std::runtime_error("BETWEEN queries not supported");
|
||||
}
|
||||
|
||||
// turn IN into ored together ==
|
||||
if (pred.predicateOperatorType == NSInPredicateOperatorType) {
|
||||
process_or_group(query, value, [&](id item) {
|
||||
id normalized = value_from_constant_expression_or_value(item);
|
||||
add_constraint_to_query(query, prop->type, NSEqualToPredicateOperatorType,
|
||||
pred.options, indexes, index, normalized);
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
if (pred.leftExpression.expressionType == NSKeyPathExpressionType) {
|
||||
add_constraint_to_query(query, prop->type, pred.predicateOperatorType,
|
||||
pred.options, indexes, index, value);
|
||||
} else {
|
||||
add_constraint_to_query(query, prop->type, pred.predicateOperatorType,
|
||||
pred.options, indexes, value, index);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void update_query_with_predicate(NSPredicate *predicate, realm::Schema &schema, realm::ObjectSchema &objectSchema, realm::Query &query)
|
||||
{
|
||||
// Compound predicates.
|
||||
if ([predicate isMemberOfClass:[NSCompoundPredicate class]]) {
|
||||
NSCompoundPredicate *comp = (NSCompoundPredicate *)predicate;
|
||||
|
||||
switch ([comp compoundPredicateType]) {
|
||||
case NSAndPredicateType:
|
||||
if (comp.subpredicates.count) {
|
||||
// Add all of the subpredicates.
|
||||
query.group();
|
||||
for (NSPredicate *subp in comp.subpredicates) {
|
||||
update_query_with_predicate(subp, schema, objectSchema, query);
|
||||
}
|
||||
query.end_group();
|
||||
} else {
|
||||
// NSCompoundPredicate's documentation states that an AND predicate with no subpredicates evaluates to TRUE.
|
||||
query.expression(new TrueExpression);
|
||||
}
|
||||
break;
|
||||
|
||||
case NSOrPredicateType: {
|
||||
// Add all of the subpredicates with ors inbetween.
|
||||
process_or_group(query, comp.subpredicates, [&](__unsafe_unretained NSPredicate *const subp) {
|
||||
update_query_with_predicate(subp, schema, objectSchema, query);
|
||||
});
|
||||
break;
|
||||
}
|
||||
|
||||
case NSNotPredicateType:
|
||||
// Add the negated subpredicate
|
||||
query.Not();
|
||||
update_query_with_predicate(comp.subpredicates.firstObject, schema, objectSchema, query);
|
||||
break;
|
||||
|
||||
default:
|
||||
throw std::runtime_error("Invalid compound predicate type - Only support AND, OR and NOT predicate types");
|
||||
}
|
||||
}
|
||||
else if ([predicate isMemberOfClass:[NSComparisonPredicate class]]) {
|
||||
NSComparisonPredicate *compp = (NSComparisonPredicate *)predicate;
|
||||
|
||||
// check modifier
|
||||
RLMPrecondition(compp.comparisonPredicateModifier != NSAllPredicateModifier,
|
||||
@"Invalid predicate", @"ALL modifier not supported");
|
||||
|
||||
NSExpressionType exp1Type = compp.leftExpression.expressionType;
|
||||
NSExpressionType exp2Type = compp.rightExpression.expressionType;
|
||||
|
||||
if (compp.comparisonPredicateModifier == NSAnyPredicateModifier) {
|
||||
// for ANY queries
|
||||
RLMPrecondition(exp1Type == NSKeyPathExpressionType && exp2Type == NSConstantValueExpressionType,
|
||||
@"Invalid predicate",
|
||||
@"Predicate with ANY modifier must compare a KeyPath with RLMArray with a value");
|
||||
}
|
||||
|
||||
if (compp.predicateOperatorType == NSBetweenPredicateOperatorType || compp.predicateOperatorType == NSInPredicateOperatorType) {
|
||||
// Inserting an array via %@ gives NSConstantValueExpressionType, but
|
||||
// including it directly gives NSAggregateExpressionType
|
||||
if (exp1Type != NSKeyPathExpressionType || (exp2Type != NSAggregateExpressionType && exp2Type != NSConstantValueExpressionType)) {
|
||||
NSString * error = [NSString stringWithFormat:@"Predicate with %s operator must compare a KeyPath with an aggregate with two values", compp.predicateOperatorType == NSBetweenPredicateOperatorType ? "BETWEEN" : "IN"];
|
||||
throw std::runtime_error(error.UTF8String);
|
||||
}
|
||||
exp2Type = NSConstantValueExpressionType;
|
||||
}
|
||||
|
||||
if (exp1Type == NSKeyPathExpressionType && exp2Type == NSConstantValueExpressionType) {
|
||||
// comparing keypath to value
|
||||
update_query_with_value_expression(schema, objectSchema, query, compp.leftExpression.keyPath,
|
||||
compp.rightExpression.constantValue, compp);
|
||||
}
|
||||
else if (exp1Type == NSConstantValueExpressionType && exp2Type == NSKeyPathExpressionType) {
|
||||
// comparing value to keypath
|
||||
update_query_with_value_expression(schema, objectSchema, query, compp.rightExpression.keyPath,
|
||||
compp.leftExpression.constantValue, compp);
|
||||
}
|
||||
//if (exp1Type == NSKeyPathExpressionType && exp2Type == NSKeyPathExpressionType) {
|
||||
// both expression are KeyPaths
|
||||
// update_query_with_column_expression(objectSchema, query, compp.leftExpression.keyPath,
|
||||
// compp.rightExpression.keyPath, compp);
|
||||
//}
|
||||
else {
|
||||
throw std::runtime_error("Predicate expressions must compare a keypath and another keypath or a constant value");
|
||||
}
|
||||
}
|
||||
else if ([predicate isEqual:[NSPredicate predicateWithValue:YES]]) {
|
||||
query.expression(new TrueExpression);
|
||||
} else if ([predicate isEqual:[NSPredicate predicateWithValue:NO]]) {
|
||||
query.expression(new FalseExpression);
|
||||
}
|
||||
else {
|
||||
// invalid predicate type
|
||||
throw std::runtime_error("Only support compound, comparison, and constant predicates");
|
||||
}
|
||||
}
|
||||
|
||||
void RLMUpdateQueryWithPredicate(realm::Query *query, NSPredicate *predicate, realm::Schema &schema, realm::ObjectSchema &objectSchema)
|
||||
{
|
||||
// passing a nil predicate is a no-op
|
||||
if (!predicate) {
|
||||
return;
|
||||
}
|
||||
|
||||
RLMPrecondition([predicate isKindOfClass:NSPredicate.class], @"Invalid argument", @"predicate must be an NSPredicate object");
|
||||
|
||||
update_query_with_predicate(predicate, schema, objectSchema, *query);
|
||||
|
||||
// Test the constructed query in core
|
||||
std::string validateMessage = query->validate();
|
||||
RLMPrecondition(validateMessage.empty(), @"Invalid query", @"%.*s", (int)validateMessage.size(), validateMessage.c_str());
|
||||
}
|
||||
|
|
|
@ -114,10 +114,11 @@ var RealmTests = {
|
|||
},
|
||||
|
||||
testRealmObjects: function() {
|
||||
var realm = new Realm({schema: [TestObjectSchema]});
|
||||
var realm = new Realm({schema: [PersonObject]});
|
||||
realm.write(function() {
|
||||
realm.create('TestObject', [1]);
|
||||
realm.create('TestObject', {'doubleCol': 2});
|
||||
realm.create('PersonObject', ['Tim', 11]);
|
||||
realm.create('PersonObject', {'name': 'Bjarne', 'age': 12});
|
||||
realm.create('PersonObject', {'name': 'Alex', 'age': 12});
|
||||
});
|
||||
|
||||
TestCase.assertThrows(function() {
|
||||
|
@ -129,15 +130,20 @@ var RealmTests = {
|
|||
TestCase.assertThrows(function() {
|
||||
realm.objects('InvalidClass');
|
||||
});
|
||||
// TestCase.assertThrows(function() {
|
||||
// realm.objects('TestObject', 'invalid query');
|
||||
// });
|
||||
TestCase.assertThrows(function() {
|
||||
realm.objects('TestObject', []);
|
||||
realm.objects('PersonObject', 'invalid query');
|
||||
});
|
||||
TestCase.assertThrows(function() {
|
||||
realm.objects('PersonObject', []);
|
||||
});
|
||||
|
||||
TestCase.assertEqual(realm.objects('TestObject').length, 2);
|
||||
//TestCase.assertEqual(realm.objects('TestObject', 'doubleCol = 1').length, 1);
|
||||
TestCase.assertEqual(realm.objects('PersonObject').length, 3);
|
||||
TestCase.assertEqual(realm.objects('PersonObject', 'age = 11').length, 1);
|
||||
TestCase.assertEqual(realm.objects('PersonObject', 'age = 11')[0].name, 'Tim');
|
||||
TestCase.assertEqual(realm.objects('PersonObject', 'age = 12').length, 2);
|
||||
TestCase.assertEqual(realm.objects('PersonObject', 'age = 13').length, 0);
|
||||
TestCase.assertEqual(realm.objects('PersonObject', 'age < 12').length, 1);
|
||||
TestCase.assertEqual(realm.objects('PersonObject', 'name = \'Tim\'').length, 1);
|
||||
},
|
||||
|
||||
testNotifications: function() {
|
||||
|
|
Loading…
Reference in New Issue