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// @file queryutil-inl.h - Inline definitions for frequently called queryutil.h functions
/* Copyright 2011 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace mongo {
inline bool FieldInterval::equality() const {
if ( _cachedEquality == -1 ) {
_cachedEquality = ( _lower._inclusive && _upper._inclusive && _lower._bound.woCompare( _upper._bound, false ) == 0 );
}
return _cachedEquality != 0;
}
inline bool FieldRange::equality() const {
return
!empty() &&
min().woCompare( max(), false ) == 0 &&
maxInclusive() &&
minInclusive();
}
inline const FieldRange &FieldRangeSet::range( const char *fieldName ) const {
map<string,FieldRange>::const_iterator f = _ranges.find( fieldName );
if ( f == _ranges.end() )
return universalRange();
return f->second;
}
inline FieldRange &FieldRangeSet::range( const char *fieldName ) {
map<string,FieldRange>::iterator f = _ranges.find( fieldName );
if ( f == _ranges.end() ) {
_ranges.insert( make_pair( string( fieldName ), universalRange() ) );
return _ranges.find( fieldName )->second;
}
return f->second;
}
inline bool FieldRangeSet::matchPossible() const {
for( map<string,FieldRange>::const_iterator i = _ranges.begin(); i != _ranges.end(); ++i ) {
if ( i->second.empty() ) {
return false;
}
}
return true;
}
inline bool FieldRangeSet::matchPossibleForIndex( const BSONObj &keyPattern ) const {
if ( !_singleKey ) {
return matchPossible();
}
BSONObjIterator i( keyPattern );
while( i.more() ) {
BSONElement e = i.next();
if ( e.fieldName() == string( "$natural" ) ) {
return true;
}
if ( range( e.fieldName() ).empty() ) {
return false;
}
}
return true;
}
inline unsigned FieldRangeVector::size() {
unsigned ret = 1;
for( vector<FieldRange>::const_iterator i = _ranges.begin(); i != _ranges.end(); ++i ) {
unsigned long long product =
(unsigned long long)ret * (unsigned long long)i->intervals().size();
// Check for overflow SERVER-5415.
verify( ( product >> 32 ) == 0 );
ret = product;
}
return ret;
}
inline
FieldRangeVectorIterator::CompoundRangeCounter::CompoundRangeCounter( int size,
int singleIntervalLimit ) :
_i( size, -1 ),
_singleIntervalCount(),
_singleIntervalLimit( singleIntervalLimit ) {
}
inline void FieldRangeVectorIterator::CompoundRangeCounter::set( int i, int newVal ) {
resetIntervalCount();
_i[ i ] = newVal;
}
inline void FieldRangeVectorIterator::CompoundRangeCounter::inc( int i ) {
resetIntervalCount();
++_i[ i ];
}
inline void FieldRangeVectorIterator::CompoundRangeCounter::setZeroes( int i ) {
resetIntervalCount();
for( int j = i; j < (int)_i.size(); ++j ) _i[ j ] = 0;
}
inline void FieldRangeVectorIterator::CompoundRangeCounter::setUnknowns( int i ) {
resetIntervalCount();
for( int j = i; j < (int)_i.size(); ++j ) _i[ j ] = -1;
}
inline FieldRangeVectorIterator::FieldIntervalMatcher::FieldIntervalMatcher
( const FieldInterval &interval, const BSONElement &element, bool reverse ) :
_interval( interval ),
_element( element ),
_reverse( reverse ) {
}
inline int FieldRangeVectorIterator::FieldIntervalMatcher::lowerCmp() const {
if ( !_lowerCmp._valid ) {
setCmp( _lowerCmp, _interval._lower._bound );
}
return _lowerCmp._cmp;
}
inline int FieldRangeVectorIterator::FieldIntervalMatcher::upperCmp() const {
if ( !_upperCmp._valid ) {
setCmp( _upperCmp, _interval._upper._bound );
if ( _interval.equality() ) {
_lowerCmp = _upperCmp;
}
}
return _upperCmp._cmp;
}
inline FieldRangeSetPair *OrRangeGenerator::topFrsp() const {
FieldRangeSetPair *ret = new FieldRangeSetPair( _baseSet );
if (_orSets.size()) {
*ret &= _orSets.front();
}
return ret;
}
inline FieldRangeSetPair *OrRangeGenerator::topFrspOriginal() const {
FieldRangeSetPair *ret = new FieldRangeSetPair( _baseSet );
if (_originalOrSets.size()) {
*ret &= _originalOrSets.front();
}
return ret;
}
inline bool FieldRangeSetPair::matchPossibleForIndex( NamespaceDetails *d, int idxNo, const BSONObj &keyPattern ) const {
assertValidIndexOrNoIndex( d, idxNo );
if ( !matchPossible() ) {
return false;
}
if ( idxNo < 0 ) {
// multi key matchPossible() is true, so return true.
return true;
}
return frsForIndex( d, idxNo ).matchPossibleForIndex( keyPattern );
}
inline void FieldRangeSetPair::assertValidIndexOrNoIndex( const NamespaceDetails *d, int idxNo ) const {
massert( 14049, "FieldRangeSetPair invalid index specified", idxNo >= -1 );
if ( idxNo >= 0 ) {
assertValidIndex( d, idxNo );
}
}
} // namespace mongo
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