92 lines
No EOL
2.5 KiB
JavaScript
92 lines
No EOL
2.5 KiB
JavaScript
// Check that a warning message about doing a capped collection scan for a query with an _id
|
|
// constraint is printed at appropriate times. SERVER-5353
|
|
|
|
function numWarnings() {
|
|
logs = db.adminCommand( { getLog:"global" } ).log
|
|
ret = 0;
|
|
logs.forEach( function( x ) {
|
|
if ( x.match( warningMatchRegexp ) ) {
|
|
++ret;
|
|
}
|
|
} );
|
|
return ret;
|
|
}
|
|
|
|
collectionNameIndex = 0;
|
|
|
|
// Generate a collection name not already present in the log.
|
|
do {
|
|
testCollectionName = 'jstests_queryoptimizera__' + collectionNameIndex++;
|
|
warningMatchString = 'unindexed _id query on capped collection.*collection: test.' +
|
|
testCollectionName;
|
|
warningMatchRegexp = new RegExp( warningMatchString );
|
|
|
|
} while( numWarnings() > 0 );
|
|
|
|
t = db[ testCollectionName ];
|
|
t.drop();
|
|
|
|
notCappedCollectionName = testCollectionName + '_notCapped';
|
|
|
|
notCapped = db[ notCappedCollectionName ];
|
|
notCapped.drop();
|
|
|
|
db.createCollection( testCollectionName, { capped:true, size:1000 } );
|
|
db.createCollection( notCappedCollectionName, { autoIndexId:false } );
|
|
|
|
t.insert( {} );
|
|
notCapped.insert( {} );
|
|
|
|
oldNumWarnings = 0;
|
|
|
|
function assertNoNewWarnings() {
|
|
assert.eq( oldNumWarnings, numWarnings() );
|
|
}
|
|
|
|
function assertNewWarning() {
|
|
newNumWarnings = numWarnings();
|
|
// Ensure that newNumWarnings > oldNumWarnings. It's not safe to test that oldNumWarnings + 1
|
|
// == newNumWarnings, because a (simulated) page fault exception may cause multiple messages to
|
|
// be logged instead of only one.
|
|
assert.lt( oldNumWarnings, newNumWarnings );
|
|
oldNumWarnings = newNumWarnings;
|
|
}
|
|
|
|
// Simple _id query
|
|
t.find( { _id:0 } ).itcount();
|
|
assertNoNewWarnings();
|
|
|
|
// Simple _id query without an _id index, on a non capped collection.
|
|
notCapped.find( { _id:0 } ).itcount();
|
|
assertNoNewWarnings();
|
|
|
|
// A multi field query, including _id.
|
|
t.find( { _id:0, a:0 } ).itcount();
|
|
assertNoNewWarnings();
|
|
|
|
// An unsatisfiable query.
|
|
t.find( { _id:0, a:{$in:[]} } ).itcount();
|
|
assertNoNewWarnings();
|
|
|
|
// An hinted query.
|
|
t.find( { _id:0 } ).hint( { $natural:1 } ).itcount();
|
|
assertNoNewWarnings();
|
|
|
|
// Retry a multi field query.
|
|
t.find( { _id:0, a:0 } ).itcount();
|
|
assertNoNewWarnings();
|
|
|
|
// Warnings should not be printed when an index is added on _id.
|
|
t.ensureIndex( { _id:1 } );
|
|
|
|
t.find( { _id:0 } ).itcount();
|
|
assertNoNewWarnings();
|
|
|
|
t.find( { _id:0, a:0 } ).itcount();
|
|
assertNoNewWarnings();
|
|
|
|
t.find( { _id:0, a:0 } ).itcount();
|
|
assertNoNewWarnings();
|
|
|
|
t.drop(); // cleanup
|
|
notCapped.drop(); |