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queryoptimizertests.cpp
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queryoptimizertests.cpp
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// queryoptimizertests.cpp : query optimizer unit tests
//
/**
* Copyright (C) 2009 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "../db/queryoptimizer.h"
#include "../db/db.h"
#include "../db/dbhelpers.h"
#include "../db/instance.h"
#include "../db/query.h"
#include "dbtests.h"
namespace mongo {
extern BSONObj id_obj;
} // namespace mongo
namespace QueryOptimizerTests {
namespace FieldBoundTests {
class Base {
public:
virtual ~Base() {}
void run() {
FieldBoundSet s( "ns", query() );
checkElt( lower(), s.bound( "a" ).lower() );
checkElt( upper(), s.bound( "a" ).upper() );
ASSERT_EQUALS( lowerInclusive(), s.bound( "a" ).lowerInclusive() );
ASSERT_EQUALS( upperInclusive(), s.bound( "a" ).upperInclusive() );
}
protected:
virtual BSONObj query() = 0;
virtual BSONElement lower() { return minKey.firstElement(); }
virtual bool lowerInclusive() { return true; }
virtual BSONElement upper() { return maxKey.firstElement(); }
virtual bool upperInclusive() { return true; }
private:
static void checkElt( BSONElement expected, BSONElement actual ) {
if ( expected.woCompare( actual, false ) ) {
stringstream ss;
ss << "expected: " << expected << ", got: " << actual;
FAIL( ss.str() );
}
}
};
class Empty : public Base {
virtual BSONObj query() { return BSONObj(); }
};
class Eq : public Base {
public:
Eq() : o_( BSON( "a" << 1 ) ) {}
virtual BSONObj query() { return o_; }
virtual BSONElement lower() { return o_.firstElement(); }
virtual BSONElement upper() { return o_.firstElement(); }
BSONObj o_;
};
class DupEq : public Eq {
public:
virtual BSONObj query() { return BSON( "a" << 1 << "b" << 2 << "a" << 1 ); }
};
class Lt : public Base {
public:
Lt() : o_( BSON( "-" << 1 ) ) {}
virtual BSONObj query() { return BSON( "a" << LT << 1 ); }
virtual BSONElement upper() { return o_.firstElement(); }
virtual bool upperInclusive() { return false; }
BSONObj o_;
};
class Lte : public Lt {
virtual BSONObj query() { return BSON( "a" << LTE << 1 ); }
virtual bool upperInclusive() { return true; }
};
class Gt : public Base {
public:
Gt() : o_( BSON( "-" << 1 ) ) {}
virtual BSONObj query() { return BSON( "a" << GT << 1 ); }
virtual BSONElement lower() { return o_.firstElement(); }
virtual bool lowerInclusive() { return false; }
BSONObj o_;
};
class Gte : public Gt {
virtual BSONObj query() { return BSON( "a" << GTE << 1 ); }
virtual bool lowerInclusive() { return true; }
};
class TwoLt : public Lt {
virtual BSONObj query() { return BSON( "a" << LT << 1 << LT << 5 ); }
};
class TwoGt : public Gt {
virtual BSONObj query() { return BSON( "a" << GT << 0 << GT << 1 ); }
};
class EqGte : public Eq {
virtual BSONObj query() { return BSON( "a" << 1 << "a" << GTE << 1 ); }
};
class EqGteInvalid {
public:
void run() {
FieldBoundSet fbs( "ns", BSON( "a" << 1 << "a" << GTE << 2 ) );
ASSERT( !fbs.matchPossible() );
}
};
class Regex : public Base {
public:
Regex() : o1_( BSON( "" << "abc" ) ), o2_( BSON( "" << "abd" ) ) {}
virtual BSONObj query() {
BSONObjBuilder b;
b.appendRegex( "a", "^abc" );
return b.obj();
}
virtual BSONElement lower() { return o1_.firstElement(); }
virtual BSONElement upper() { return o2_.firstElement(); }
virtual bool upperInclusive() { return false; }
BSONObj o1_, o2_;
};
class UnhelpfulRegex : public Base {
virtual BSONObj query() {
BSONObjBuilder b;
b.appendRegex( "a", "abc" );
return b.obj();
}
};
class In : public Base {
public:
In() : o1_( BSON( "-" << -3 ) ), o2_( BSON( "-" << 44 ) ) {}
virtual BSONObj query() {
vector< int > vals;
vals.push_back( 4 );
vals.push_back( 8 );
vals.push_back( 44 );
vals.push_back( -1 );
vals.push_back( -3 );
vals.push_back( 0 );
BSONObjBuilder bb;
bb.append( "$in", vals );
BSONObjBuilder b;
b.append( "a", bb.done() );
return b.obj();
}
virtual BSONElement lower() { return o1_.firstElement(); }
virtual BSONElement upper() { return o2_.firstElement(); }
BSONObj o1_, o2_;
};
class Equality {
public:
void run() {
FieldBoundSet s( "ns", BSON( "a" << 1 ) );
ASSERT( s.bound( "a" ).equality() );
FieldBoundSet s2( "ns", BSON( "a" << GTE << 1 << LTE << 1 ) );
ASSERT( s2.bound( "a" ).equality() );
FieldBoundSet s3( "ns", BSON( "a" << GT << 1 << LTE << 1 ) );
ASSERT( !s3.bound( "a" ).equality() );
FieldBoundSet s4( "ns", BSON( "a" << GTE << 1 << LT << 1 ) );
ASSERT( !s4.bound( "a" ).equality() );
FieldBoundSet s5( "ns", BSON( "a" << GTE << 1 << LTE << 1 << GT << 1 ) );
ASSERT( !s5.bound( "a" ).equality() );
FieldBoundSet s6( "ns", BSON( "a" << GTE << 1 << LTE << 1 << LT << 1 ) );
ASSERT( !s6.bound( "a" ).equality() );
}
};
class SimplifiedQuery {
public:
void run() {
FieldBoundSet fbs( "ns", BSON( "a" << GT << 1 << GT << 5 << LT << 10 << "b" << 4 << "c" << LT << 4 << LT << 6 << "d" << GTE << 0 << GT << 0 << "e" << GTE << 0 << LTE << 10 ) );
BSONObj simple = fbs.simplifiedQuery();
ASSERT( !simple.getObjectField( "a" ).woCompare( fromjson( "{$gt:5,$lt:10}" ) ) );
ASSERT_EQUALS( 4, simple.getIntField( "b" ) );
ASSERT( !simple.getObjectField( "c" ).woCompare( fromjson( "{$lt:4}" ) ) );
ASSERT( !simple.getObjectField( "d" ).woCompare( fromjson( "{$gt:0}" ) ) );
ASSERT( !simple.getObjectField( "e" ).woCompare( fromjson( "{$gte:0,$lte:10}" ) ) );
}
};
class QueryPatternTest {
public:
void run() {
ASSERT( p( BSON( "a" << 1 ) ) == p( BSON( "a" << 1 ) ) );
ASSERT( p( BSON( "a" << 1 ) ) == p( BSON( "a" << 5 ) ) );
ASSERT( p( BSON( "a" << 1 ) ) != p( BSON( "b" << 1 ) ) );
ASSERT( p( BSON( "a" << 1 ) ) != p( BSON( "a" << LTE << 1 ) ) );
ASSERT( p( BSON( "a" << 1 ) ) != p( BSON( "a" << 1 << "b" << 2 ) ) );
ASSERT( p( BSON( "a" << 1 << "b" << 3 ) ) != p( BSON( "a" << 1 ) ) );
ASSERT( p( BSON( "a" << LT << 1 ) ) == p( BSON( "a" << LTE << 5 ) ) );
ASSERT( p( BSON( "a" << LT << 1 << GTE << 0 ) ) == p( BSON( "a" << LTE << 5 << GTE << 0 ) ) );
ASSERT( p( BSON( "a" << 1 ) ) < p( BSON( "a" << 1 << "b" << 1 ) ) );
ASSERT( !( p( BSON( "a" << 1 << "b" << 1 ) ) < p( BSON( "a" << 1 ) ) ) );
ASSERT( p( BSON( "a" << 1 ), BSON( "b" << 1 ) ) == p( BSON( "a" << 4 ), BSON( "b" << "a" ) ) );
ASSERT( p( BSON( "a" << 1 ), BSON( "b" << 1 ) ) == p( BSON( "a" << 4 ), BSON( "b" << -1 ) ) );
ASSERT( p( BSON( "a" << 1 ), BSON( "b" << 1 ) ) != p( BSON( "a" << 4 ), BSON( "c" << 1 ) ) );
ASSERT( p( BSON( "a" << 1 ), BSON( "b" << 1 << "c" << -1 ) ) == p( BSON( "a" << 4 ), BSON( "b" << -1 << "c" << 1 ) ) );
ASSERT( p( BSON( "a" << 1 ), BSON( "b" << 1 << "c" << 1 ) ) != p( BSON( "a" << 4 ), BSON( "b" << 1 ) ) );
ASSERT( p( BSON( "a" << 1 ), BSON( "b" << 1 ) ) != p( BSON( "a" << 4 ), BSON( "b" << 1 << "c" << 1 ) ) );
}
private:
static QueryPattern p( const BSONObj &query, const BSONObj &sort = BSONObj() ) {
return FieldBoundSet( "", query ).pattern( sort );
}
};
class NoWhere {
public:
void run() {
ASSERT_EQUALS( 0, FieldBoundSet( "ns", BSON( "$where" << 1 ) ).nNontrivialBounds() );
}
};
class Numeric {
public:
void run() {
FieldBoundSet f( "", BSON( "a" << 1 ) );
ASSERT( f.bound( "a" ).lower().woCompare( BSON( "a" << 2.0 ).firstElement() ) < 0 );
ASSERT( f.bound( "a" ).lower().woCompare( BSON( "a" << 0.0 ).firstElement() ) > 0 );
}
};
} // namespace FieldBoundTests
namespace QueryPlanTests {
class Base {
public:
Base() : indexNum_( 0 ) {
setClient( ns() );
string err;
userCreateNS( ns(), BSONObj(), err, false );
}
~Base() {
if ( !nsd() )
return;
string s( ns() );
dropNS( s );
}
protected:
static const char *ns() { return "unittests.QueryPlanTests"; }
static NamespaceDetails *nsd() { return nsdetails( ns() ); }
const IndexDetails *index( const BSONObj &key ) {
stringstream ss;
ss << indexNum_++;
string name = ss.str();
client_.resetIndexCache();
client_.ensureIndex( ns(), key, false, name.c_str() );
NamespaceDetails *d = nsd();
for( int i = 0; i < d->nIndexes; ++i ) {
if ( d->indexes[ i ].indexName() == name || d->indexes[ i ].isIdIndex() && IndexDetails::isIdIndexPattern( key ) )
return &d->indexes[ i ];
}
assert( false );
return 0;
}
private:
dblock lk_;
int indexNum_;
static DBDirectClient client_;
};
DBDirectClient Base::client_;
// There's a limit of 10 indexes total, make sure not to exceed this in a given test.
#define INDEX(x) this->index( BSON(x) )
auto_ptr< FieldBoundSet > FieldBoundSet_GLOBAL;
#define FBS(x) ( FieldBoundSet_GLOBAL.reset( new FieldBoundSet( ns(), x ) ), *FieldBoundSet_GLOBAL )
class NoIndex : public Base {
public:
void run() {
QueryPlan p( FBS( BSONObj() ), BSONObj(), 0 );
ASSERT( !p.optimal() );
ASSERT( !p.scanAndOrderRequired() );
ASSERT( !p.exactKeyMatch() );
}
};
class SimpleOrder : public Base {
public:
void run() {
BSONObjBuilder b;
b.appendMinKey( "" );
BSONObj start = b.obj();
BSONObjBuilder b2;
b2.appendMaxKey( "" );
BSONObj end = b2.obj();
QueryPlan p( FBS( BSONObj() ), BSON( "a" << 1 ), INDEX( "a" << 1 ) );
ASSERT( !p.scanAndOrderRequired() );
ASSERT( !p.startKey().woCompare( start ) );
ASSERT( !p.endKey().woCompare( end ) );
QueryPlan p2( FBS( BSONObj() ), BSON( "a" << 1 << "b" << 1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( !p2.scanAndOrderRequired() );
QueryPlan p3( FBS( BSONObj() ), BSON( "b" << 1 ), INDEX( "a" << 1 ) );
ASSERT( p3.scanAndOrderRequired() );
ASSERT( !p3.startKey().woCompare( start ) );
ASSERT( !p3.endKey().woCompare( end ) );
}
};
class MoreIndexThanNeeded : public Base {
public:
void run() {
QueryPlan p( FBS( BSONObj() ), BSON( "a" << 1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( !p.scanAndOrderRequired() );
}
};
class IndexSigns : public Base {
public:
void run() {
QueryPlan p( FBS( BSONObj() ), BSON( "a" << 1 << "b" << -1 ), INDEX( "a" << 1 << "b" << -1 ) );
ASSERT( !p.scanAndOrderRequired() );
ASSERT_EQUALS( 1, p.direction() );
QueryPlan p2( FBS( BSONObj() ), BSON( "a" << 1 << "b" << -1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( p2.scanAndOrderRequired() );
ASSERT_EQUALS( 0, p2.direction() );
QueryPlan p3( FBS( BSONObj() ), BSON( "_id" << 1 ), index( id_obj ) );
ASSERT( !p3.scanAndOrderRequired() );
ASSERT_EQUALS( 1, p3.direction() );
}
};
class IndexReverse : public Base {
public:
void run() {
BSONObjBuilder b;
b.appendMinKey( "" );
b.appendMaxKey( "" );
BSONObj start = b.obj();
BSONObjBuilder b2;
b2.appendMaxKey( "" );
b2.appendMinKey( "" );
BSONObj end = b2.obj();
QueryPlan p( FBS( BSONObj() ), BSON( "a" << 1 << "b" << -1 ), INDEX( "a" << -1 << "b" << 1 ) );
ASSERT( !p.scanAndOrderRequired() );
ASSERT_EQUALS( -1, p.direction() );
ASSERT( !p.startKey().woCompare( start ) );
ASSERT( !p.endKey().woCompare( end ) );
QueryPlan p2( FBS( BSONObj() ), BSON( "a" << -1 << "b" << -1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( !p2.scanAndOrderRequired() );
ASSERT_EQUALS( -1, p2.direction() );
QueryPlan p3( FBS( BSONObj() ), BSON( "a" << -1 << "b" << -1 ), INDEX( "a" << 1 << "b" << -1 ) );
ASSERT( p3.scanAndOrderRequired() );
ASSERT_EQUALS( 0, p3.direction() );
}
};
class NoOrder : public Base {
public:
void run() {
BSONObjBuilder b;
b.append( "", 3 );
b.appendMinKey( "" );
BSONObj start = b.obj();
BSONObjBuilder b2;
b2.append( "", 3 );
b2.appendMaxKey( "" );
BSONObj end = b2.obj();
QueryPlan p( FBS( BSON( "a" << 3 ) ), BSONObj(), INDEX( "a" << -1 << "b" << 1 ) );
ASSERT( !p.scanAndOrderRequired() );
ASSERT( !p.startKey().woCompare( start ) );
ASSERT( !p.endKey().woCompare( end ) );
QueryPlan p2( FBS( BSON( "a" << 3 ) ), BSONObj(), INDEX( "a" << -1 << "b" << 1 ) );
ASSERT( !p2.scanAndOrderRequired() );
ASSERT( !p.startKey().woCompare( start ) );
ASSERT( !p.endKey().woCompare( end ) );
}
};
class EqualWithOrder : public Base {
public:
void run() {
QueryPlan p( FBS( BSON( "a" << 4 ) ), BSON( "b" << 1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( !p.scanAndOrderRequired() );
QueryPlan p2( FBS( BSON( "b" << 4 ) ), BSON( "a" << 1 << "c" << 1 ), INDEX( "a" << 1 << "b" << 1 << "c" << 1 ) );
ASSERT( !p2.scanAndOrderRequired() );
QueryPlan p3( FBS( BSON( "b" << 4 ) ), BSON( "a" << 1 << "c" << 1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( p3.scanAndOrderRequired() );
}
};
class Optimal : public Base {
public:
void run() {
QueryPlan p( FBS( BSONObj() ), BSON( "a" << 1 ), INDEX( "a" << 1 ) );
ASSERT( p.optimal() );
QueryPlan p2( FBS( BSONObj() ), BSON( "a" << 1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( p2.optimal() );
QueryPlan p3( FBS( BSON( "a" << 1 ) ), BSON( "a" << 1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( p3.optimal() );
QueryPlan p4( FBS( BSON( "b" << 1 ) ), BSON( "a" << 1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( !p4.optimal() );
QueryPlan p5( FBS( BSON( "a" << 1 ) ), BSON( "b" << 1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( p5.optimal() );
QueryPlan p6( FBS( BSON( "b" << 1 ) ), BSON( "b" << 1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( !p6.optimal() );
QueryPlan p7( FBS( BSON( "a" << 1 << "b" << 1 ) ), BSON( "a" << 1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( p7.optimal() );
QueryPlan p8( FBS( BSON( "a" << 1 << "b" << LT << 1 ) ), BSON( "a" << 1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( p8.optimal() );
QueryPlan p9( FBS( BSON( "a" << 1 << "b" << LT << 1 ) ), BSON( "a" << 1 ), INDEX( "a" << 1 << "b" << 1 << "c" << 1 ) );
ASSERT( p9.optimal() );
}
};
class MoreOptimal : public Base {
public:
void run() {
QueryPlan p10( FBS( BSON( "a" << 1 ) ), BSONObj(), INDEX( "a" << 1 << "b" << 1 << "c" << 1 ) );
ASSERT( p10.optimal() );
QueryPlan p11( FBS( BSON( "a" << 1 << "b" << LT << 1 ) ), BSONObj(), INDEX( "a" << 1 << "b" << 1 << "c" << 1 ) );
ASSERT( p11.optimal() );
QueryPlan p12( FBS( BSON( "a" << LT << 1 ) ), BSONObj(), INDEX( "a" << 1 << "b" << 1 << "c" << 1 ) );
ASSERT( p12.optimal() );
QueryPlan p13( FBS( BSON( "a" << LT << 1 ) ), BSON( "a" << 1 ), INDEX( "a" << 1 << "b" << 1 << "c" << 1 ) );
ASSERT( p13.optimal() );
}
};
class KeyMatch : public Base {
public:
void run() {
QueryPlan p( FBS( BSONObj() ), BSON( "a" << 1 ), INDEX( "a" << 1 ) );
ASSERT( !p.exactKeyMatch() );
QueryPlan p2( FBS( BSONObj() ), BSON( "a" << 1 ), INDEX( "b" << 1 << "a" << 1 ) );
ASSERT( !p2.exactKeyMatch() );
QueryPlan p3( FBS( BSON( "b" << "z" ) ), BSON( "a" << 1 ), INDEX( "b" << 1 << "a" << 1 ) );
ASSERT( !p3.exactKeyMatch() );
QueryPlan p4( FBS( BSON( "c" << "y" << "b" << "z" ) ), BSON( "a" << 1 ), INDEX( "b" << 1 << "a" << 1 << "c" << 1 ) );
ASSERT( !p4.exactKeyMatch() );
QueryPlan p5( FBS( BSON( "c" << "y" << "b" << "z" ) ), BSONObj(), INDEX( "b" << 1 << "a" << 1 << "c" << 1 ) );
ASSERT( !p5.exactKeyMatch() );
QueryPlan p6( FBS( BSON( "c" << LT << "y" << "b" << GT << "z" ) ), BSONObj(), INDEX( "b" << 1 << "a" << 1 << "c" << 1 ) );
ASSERT( !p6.exactKeyMatch() );
QueryPlan p7( FBS( BSONObj() ), BSON( "a" << 1 ), INDEX( "b" << 1 ) );
ASSERT( !p7.exactKeyMatch() );
QueryPlan p8( FBS( BSON( "b" << "y" << "a" << "z" ) ), BSONObj(), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( p8.exactKeyMatch() );
QueryPlan p9( FBS( BSON( "a" << "z" ) ), BSON( "a" << 1 ), INDEX( "a" << 1 ) );
ASSERT( p9.exactKeyMatch() );
}
};
class MoreKeyMatch : public Base {
public:
void run() {
QueryPlan p( FBS( BSON( "a" << "r" << "b" << NE << "q" ) ), BSON( "a" << 1 ), INDEX( "a" << 1 ) );
ASSERT( !p.exactKeyMatch() );
}
};
class ExactKeyQueryTypes : public Base {
public:
void run() {
QueryPlan p( FBS( BSON( "a" << "b" ) ), BSONObj(), INDEX( "a" << 1 ) );
ASSERT( p.exactKeyMatch() );
QueryPlan p2( FBS( BSON( "a" << 4 ) ), BSONObj(), INDEX( "a" << 1 ) );
ASSERT( !p2.exactKeyMatch() );
QueryPlan p3( FBS( BSON( "a" << BSON( "c" << "d" ) ) ), BSONObj(), INDEX( "a" << 1 ) );
ASSERT( !p3.exactKeyMatch() );
BSONObjBuilder b;
b.appendRegex( "a", "^ddd" );
QueryPlan p4( FBS( b.obj() ), BSONObj(), INDEX( "a" << 1 ) );
ASSERT( !p4.exactKeyMatch() );
QueryPlan p5( FBS( BSON( "a" << "z" << "b" << 4 ) ), BSONObj(), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( !p5.exactKeyMatch() );
}
};
class Unhelpful : public Base {
public:
void run() {
QueryPlan p( FBS( BSON( "b" << 1 ) ), BSONObj(), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( !p.bound( "a" ).nontrivial() );
ASSERT( p.unhelpful() );
QueryPlan p2( FBS( BSON( "b" << 1 << "c" << 1 ) ), BSON( "a" << 1 ), INDEX( "a" << 1 << "b" << 1 ) );
ASSERT( !p2.scanAndOrderRequired() );
ASSERT( !p2.bound( "a" ).nontrivial() );
ASSERT( !p2.unhelpful() );
QueryPlan p3( FBS( BSON( "b" << 1 << "c" << 1 ) ), BSONObj(), INDEX( "b" << 1 ) );
ASSERT( p3.bound( "b" ).nontrivial() );
ASSERT( !p3.unhelpful() );
QueryPlan p4( FBS( BSON( "c" << 1 << "d" << 1 ) ), BSONObj(), INDEX( "b" << 1 << "c" << 1 ) );
ASSERT( !p4.bound( "b" ).nontrivial() );
ASSERT( p4.unhelpful() );
}
};
} // namespace QueryPlanTests
namespace QueryPlanSetTests {
class Base {
public:
Base() {
setClient( ns() );
string err;
userCreateNS( ns(), BSONObj(), err, false );
AuthenticationInfo *ai = new AuthenticationInfo();
authInfo.reset( ai );
}
~Base() {
if ( !nsd() )
return;
NamespaceDetailsTransient::get( ns() ).clearQueryCache();
string s( ns() );
dropNS( s );
}
static void assembleRequest( const string &ns, BSONObj query, int nToReturn, int nToSkip, BSONObj *fieldsToReturn, int queryOptions, Message &toSend ) {
// see query.h for the protocol we are using here.
BufBuilder b;
int opts = queryOptions;
assert( (opts&Option_ALLMASK) == opts );
b.append(opts);
b.append(ns.c_str());
b.append(nToSkip);
b.append(nToReturn);
query.appendSelfToBufBuilder(b);
if ( fieldsToReturn )
fieldsToReturn->appendSelfToBufBuilder(b);
toSend.setData(dbQuery, b.buf(), b.len());
}
protected:
static const char *ns() { return "unittests.QueryPlanSetTests"; }
static NamespaceDetails *nsd() { return nsdetails( ns() ); }
private:
dblock lk_;
};
class NoIndexes : public Base {
public:
void run() {
QueryPlanSet s( ns(), BSON( "a" << 4 ), BSON( "b" << 1 ) );
ASSERT_EQUALS( 1, s.nPlans() );
}
};
class Optimal : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "b_2" );
QueryPlanSet s( ns(), BSON( "a" << 4 ), BSONObj() );
ASSERT_EQUALS( 1, s.nPlans() );
}
};
class NoOptimal : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
Helpers::ensureIndex( ns(), BSON( "b" << 1 ), false, "b_1" );
QueryPlanSet s( ns(), BSON( "a" << 4 ), BSON( "b" << 1 ) );
ASSERT_EQUALS( 3, s.nPlans() );
}
};
class NoSpec : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
Helpers::ensureIndex( ns(), BSON( "b" << 1 ), false, "b_1" );
QueryPlanSet s( ns(), BSONObj(), BSONObj() );
ASSERT_EQUALS( 1, s.nPlans() );
}
};
class HintSpec : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
Helpers::ensureIndex( ns(), BSON( "b" << 1 ), false, "b_1" );
BSONObj b = BSON( "hint" << BSON( "a" << 1 ) );
BSONElement e = b.firstElement();
QueryPlanSet s( ns(), BSON( "a" << 1 ), BSON( "b" << 1 ), &e );
ASSERT_EQUALS( 1, s.nPlans() );
}
};
class HintName : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
Helpers::ensureIndex( ns(), BSON( "b" << 1 ), false, "b_1" );
BSONObj b = BSON( "hint" << "a_1" );
BSONElement e = b.firstElement();
QueryPlanSet s( ns(), BSON( "a" << 1 ), BSON( "b" << 1 ), &e );
ASSERT_EQUALS( 1, s.nPlans() );
}
};
class NaturalHint : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
Helpers::ensureIndex( ns(), BSON( "b" << 1 ), false, "b_1" );
BSONObj b = BSON( "hint" << BSON( "$natural" << 1 ) );
BSONElement e = b.firstElement();
QueryPlanSet s( ns(), BSON( "a" << 1 ), BSON( "b" << 1 ), &e );
ASSERT_EQUALS( 1, s.nPlans() );
}
};
class NaturalSort : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "b_2" );
QueryPlanSet s( ns(), BSON( "a" << 1 ), BSON( "$natural" << 1 ) );
ASSERT_EQUALS( 1, s.nPlans() );
}
};
class BadHint : public Base {
public:
void run() {
BSONObj b = BSON( "hint" << "a_1" );
BSONElement e = b.firstElement();
ASSERT_EXCEPTION( QueryPlanSet s( ns(), BSON( "a" << 1 ), BSON( "b" << 1 ), &e ),
AssertionException );
}
};
class Count : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
Helpers::ensureIndex( ns(), BSON( "b" << 1 ), false, "b_1" );
string err;
ASSERT_EQUALS( 0, runCount( ns(), BSON( "query" << BSON( "a" << 4 ) ), err ) );
BSONObj one = BSON( "a" << 1 );
BSONObj fourA = BSON( "a" << 4 );
BSONObj fourB = BSON( "a" << 4 );
theDataFileMgr.insert( ns(), one );
ASSERT_EQUALS( 0, runCount( ns(), BSON( "query" << BSON( "a" << 4 ) ), err ) );
theDataFileMgr.insert( ns(), fourA );
ASSERT_EQUALS( 1, runCount( ns(), BSON( "query" << BSON( "a" << 4 ) ), err ) );
theDataFileMgr.insert( ns(), fourB );
ASSERT_EQUALS( 2, runCount( ns(), BSON( "query" << BSON( "a" << 4 ) ), err ) );
ASSERT_EQUALS( 3, runCount( ns(), BSON( "query" << BSONObj() ), err ) );
ASSERT_EQUALS( 3, runCount( ns(), BSON( "query" << BSON( "a" << GT << 0 ) ), err ) );
// missing ns
ASSERT_EQUALS( -1, runCount( "missingNS", BSONObj(), err ) );
// impossible match
ASSERT_EQUALS( 0, runCount( ns(), BSON( "query" << BSON( "a" << GT << 0 << LT << -1 ) ), err ) );
}
};
class QueryMissingNs : public Base {
public:
void run() {
Message m;
assembleRequest( "missingNS", BSONObj(), 0, 0, 0, 0, m );
stringstream ss;
ASSERT_EQUALS( 0, runQuery( m, ss )->nReturned );
}
};
class UnhelpfulIndex : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
Helpers::ensureIndex( ns(), BSON( "b" << 1 ), false, "b_1" );
QueryPlanSet s( ns(), BSON( "a" << 1 << "c" << 2 ), BSONObj() );
ASSERT_EQUALS( 2, s.nPlans() );
}
};
class SingleException : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
Helpers::ensureIndex( ns(), BSON( "b" << 1 ), false, "b_1" );
QueryPlanSet s( ns(), BSON( "a" << 4 ), BSON( "b" << 1 ) );
ASSERT_EQUALS( 3, s.nPlans() );
bool threw = false;
auto_ptr< TestOp > t( new TestOp( true, threw ) );
shared_ptr< TestOp > done = s.runOp( *t );
ASSERT( threw );
ASSERT( done->complete() );
ASSERT( done->exceptionMessage().empty() );
ASSERT( !done->error() );
}
private:
class TestOp : public QueryOp {
public:
TestOp( bool iThrow, bool &threw ) : iThrow_( iThrow ), threw_( threw ), i_(), youThrow_( false ) {}
virtual void init() {}
virtual void next() {
if ( iThrow_ )
threw_ = true;
massert( "throw", !iThrow_ );
if ( ++i_ > 10 )
setComplete();
}
virtual QueryOp *clone() const {
QueryOp *op = new TestOp( youThrow_, threw_ );
youThrow_ = !youThrow_;
return op;
}
virtual bool mayRecordPlan() const { return true; }
private:
bool iThrow_;
bool &threw_;
int i_;
mutable bool youThrow_;
};
};
class AllException : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
Helpers::ensureIndex( ns(), BSON( "b" << 1 ), false, "b_1" );
QueryPlanSet s( ns(), BSON( "a" << 4 ), BSON( "b" << 1 ) );
ASSERT_EQUALS( 3, s.nPlans() );
auto_ptr< TestOp > t( new TestOp() );
shared_ptr< TestOp > done = s.runOp( *t );
ASSERT( !done->complete() );
ASSERT_EQUALS( "throw", done->exceptionMessage() );
ASSERT( done->error() );
}
private:
class TestOp : public QueryOp {
public:
virtual void init() {}
virtual void next() {
massert( "throw", false );
}
virtual QueryOp *clone() const {
return new TestOp();
}
virtual bool mayRecordPlan() const { return true; }
};
};
class SaveGoodIndex : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
Helpers::ensureIndex( ns(), BSON( "b" << 1 ), false, "b_1" );
nPlans( 3 );
runQuery();
nPlans( 1 );
nPlans( 1 );
Helpers::ensureIndex( ns(), BSON( "c" << 1 ), false, "c_1" );
nPlans( 3 );
runQuery();
nPlans( 1 );
{
DBDirectClient client;
for( int i = 0; i < 34; ++i ) {
client.insert( ns(), BSON( "i" << i ) );
client.update( ns(), QUERY( "i" << i ), BSON( "i" << i + 1 ) );
client.remove( ns(), BSON( "i" << i + 1 ) );
}
}
nPlans( 3 );
QueryPlanSet s( ns(), BSON( "a" << 4 ), BSON( "b" << 1 ) );
NoRecordTestOp original;
s.runOp( original );
nPlans( 3 );
BSONObj hint = fromjson( "{hint:{$natural:1}}" );
BSONElement hintElt = hint.firstElement();
QueryPlanSet s2( ns(), BSON( "a" << 4 ), BSON( "b" << 1 ), &hintElt );
TestOp newOriginal;
s2.runOp( newOriginal );
nPlans( 3 );
QueryPlanSet s3( ns(), BSON( "a" << 4 ), BSON( "b" << 1 << "c" << 1 ) );
TestOp newerOriginal;
s3.runOp( newerOriginal );
nPlans( 3 );
runQuery();
nPlans( 1 );
}
private:
void nPlans( int n ) {
QueryPlanSet s( ns(), BSON( "a" << 4 ), BSON( "b" << 1 ) );
ASSERT_EQUALS( n, s.nPlans() );
}
void runQuery() {
QueryPlanSet s( ns(), BSON( "a" << 4 ), BSON( "b" << 1 ) );
TestOp original;
s.runOp( original );
}
class TestOp : public QueryOp {
public:
virtual void init() {}
virtual void next() {
setComplete();
}
virtual QueryOp *clone() const {
return new TestOp();
}
virtual bool mayRecordPlan() const { return true; }
};
class NoRecordTestOp : public TestOp {
virtual bool mayRecordPlan() const { return false; }
virtual QueryOp *clone() const { return new NoRecordTestOp(); }
};
};
class TryAllPlansOnErr : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
QueryPlanSet s( ns(), BSON( "a" << 4 ), BSON( "b" << 1 ) );
ScanOnlyTestOp op;
s.runOp( op );
ASSERT( fromjson( "{$natural:1}" ).woCompare( NamespaceDetailsTransient::get( ns() ).indexForPattern( s.fbs().pattern( BSON( "b" << 1 ) ) ) ) == 0 );
ASSERT_EQUALS( 1, NamespaceDetailsTransient::get( ns() ).nScannedForPattern( s.fbs().pattern( BSON( "b" << 1 ) ) ) );
QueryPlanSet s2( ns(), BSON( "a" << 4 ), BSON( "b" << 1 ) );
TestOp op2;
ASSERT( s2.runOp( op2 )->complete() );
}
private:
class TestOp : public QueryOp {
public:
virtual void init() {}
virtual void next() {
if ( qp().indexKey().firstElement().fieldName() == string( "$natural" ) )
massert( "throw", false );
setComplete();
}
virtual QueryOp *clone() const {
return new TestOp();
}
virtual bool mayRecordPlan() const { return true; }
};
class ScanOnlyTestOp : public TestOp {
virtual void next() {
if ( qp().indexKey().firstElement().fieldName() == string( "$natural" ) )
setComplete();
massert( "throw", false );
}
virtual QueryOp *clone() const {
return new ScanOnlyTestOp();
}
};
};
class FindOne : public Base {
public:
void run() {
BSONObj one = BSON( "a" << 1 );
theDataFileMgr.insert( ns(), one );
BSONObj result;
ASSERT( Helpers::findOne( ns(), BSON( "a" << 1 ), result ) );
ASSERT_EXCEPTION( Helpers::findOne( ns(), BSON( "a" << 1 ), result, true ), AssertionException );
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
ASSERT( Helpers::findOne( ns(), BSON( "a" << 1 ), result, true ) );
}
};
class Delete : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
for( int i = 0; i < 200; ++i ) {
BSONObj two = BSON( "a" << 2 );
theDataFileMgr.insert( ns(), two );
}
BSONObj one = BSON( "a" << 1 );
theDataFileMgr.insert( ns(), one );
deleteObjects( ns(), BSON( "a" << 1 ), false );
ASSERT( BSON( "a" << 1 ).woCompare( NamespaceDetailsTransient::get( ns() ).indexForPattern( FieldBoundSet( ns(), BSON( "a" << 1 ) ).pattern() ) ) == 0 );
ASSERT_EQUALS( 2, NamespaceDetailsTransient::get( ns() ).nScannedForPattern( FieldBoundSet( ns(), BSON( "a" << 1 ) ).pattern() ) );
}
};
class DeleteOneScan : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "_id" << 1 ), false, "_id_1" );
BSONObj one = BSON( "_id" << 3 << "a" << 1 );
BSONObj two = BSON( "_id" << 2 << "a" << 1 );
BSONObj three = BSON( "_id" << 1 << "a" << -1 );
theDataFileMgr.insert( ns(), one );
theDataFileMgr.insert( ns(), two );
theDataFileMgr.insert( ns(), three );
deleteObjects( ns(), BSON( "_id" << GT << 0 << "a" << GT << 0 ), true );
for( auto_ptr< Cursor > c = theDataFileMgr.findAll( ns() ); c->ok(); c->advance() )
ASSERT( 3 != c->current().getIntField( "_id" ) );
}
};
class DeleteOneIndex : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a" );
BSONObj one = BSON( "a" << 2 << "_id" << 0 );
BSONObj two = BSON( "a" << 1 << "_id" << 1 );
BSONObj three = BSON( "a" << 0 << "_id" << 2 );
theDataFileMgr.insert( ns(), one );
theDataFileMgr.insert( ns(), two );
theDataFileMgr.insert( ns(), three );
deleteObjects( ns(), BSON( "a" << GTE << 0 << "_id" << GT << 0 ), true );
for( auto_ptr< Cursor > c = theDataFileMgr.findAll( ns() ); c->ok(); c->advance() )
ASSERT( 2 != c->current().getIntField( "_id" ) );
}
};
class TryOtherPlansBeforeFinish : public Base {
public:
void run() {
Helpers::ensureIndex( ns(), BSON( "a" << 1 ), false, "a_1" );
for( int i = 0; i < 100; ++i ) {
for( int j = 0; j < 2; ++j ) {
BSONObj temp = BSON( "a" << 100 - i - 1 << "b" << i );
theDataFileMgr.insert( ns(), temp );
}
}
Message m;
// Need to return at least 2 records to cause plan to be recorded.
assembleRequest( ns(), QUERY( "b" << 0 << "a" << GTE << 0 ).obj, 2, 0, 0, 0, m );
stringstream ss;
runQuery( m, ss );
ASSERT( BSON( "$natural" << 1 ).woCompare( NamespaceDetailsTransient::get( ns() ).indexForPattern( FieldBoundSet( ns(), BSON( "b" << 0 << "a" << GTE << 0 ) ).pattern() ) ) == 0 );
Message m2;
assembleRequest( ns(), QUERY( "b" << 99 << "a" << GTE << 0 ).obj, 2, 0, 0, 0, m2 );
runQuery( m2, ss );
ASSERT( BSON( "a" << 1 ).woCompare( NamespaceDetailsTransient::get( ns() ).indexForPattern( FieldBoundSet( ns(), BSON( "b" << 0 << "a" << GTE << 0 ) ).pattern() ) ) == 0 );
ASSERT_EQUALS( 2, NamespaceDetailsTransient::get( ns() ).nScannedForPattern( FieldBoundSet( ns(), BSON( "b" << 0 << "a" << GTE << 0 ) ).pattern() ) );
}
};
} // namespace QueryPlanSetTests
class All : public Suite {
public:
All() {
add< FieldBoundTests::Empty >();
add< FieldBoundTests::Eq >();
add< FieldBoundTests::DupEq >();
add< FieldBoundTests::Lt >();
add< FieldBoundTests::Lte >();
add< FieldBoundTests::Gt >();
add< FieldBoundTests::Gte >();
add< FieldBoundTests::TwoLt >();
add< FieldBoundTests::TwoGt >();
add< FieldBoundTests::EqGte >();
add< FieldBoundTests::EqGteInvalid >();
add< FieldBoundTests::Regex >();
add< FieldBoundTests::UnhelpfulRegex >();
add< FieldBoundTests::In >();
add< FieldBoundTests::Equality >();
add< FieldBoundTests::SimplifiedQuery >();
add< FieldBoundTests::QueryPatternTest >();
add< FieldBoundTests::NoWhere >();
add< FieldBoundTests::Numeric >();
add< QueryPlanTests::NoIndex >();
add< QueryPlanTests::SimpleOrder >();
add< QueryPlanTests::MoreIndexThanNeeded >();
add< QueryPlanTests::IndexSigns >();
add< QueryPlanTests::IndexReverse >();
add< QueryPlanTests::NoOrder >();
add< QueryPlanTests::EqualWithOrder >();
add< QueryPlanTests::Optimal >();
add< QueryPlanTests::MoreOptimal >();
add< QueryPlanTests::KeyMatch >();
add< QueryPlanTests::MoreKeyMatch >();
add< QueryPlanTests::ExactKeyQueryTypes >();
add< QueryPlanTests::Unhelpful >();
add< QueryPlanSetTests::NoIndexes >();
add< QueryPlanSetTests::Optimal >();
add< QueryPlanSetTests::NoOptimal >();
add< QueryPlanSetTests::NoSpec >();
add< QueryPlanSetTests::HintSpec >();
add< QueryPlanSetTests::HintName >();
add< QueryPlanSetTests::NaturalHint >();