54 lines
1.6 KiB
JavaScript
54 lines
1.6 KiB
JavaScript
// Check proper covered index handling when query and processGetMore yield.
|
|
// SERVER-4975
|
|
|
|
if ( 0 ) { // SERVER-4975
|
|
|
|
t = db.jstests_coveredIndex3;
|
|
t2 = db.jstests_coveredIndex3_other;
|
|
t.drop();
|
|
t2.drop();
|
|
|
|
function doTest( batchSize ) {
|
|
|
|
// Insert an array, which will make the { a:1 } index multikey and should disable covered index
|
|
// matching.
|
|
p1 = startParallelShell(
|
|
'for( i = 0; i < 60; ++i ) { \
|
|
db.jstests_coveredIndex3.save( { a:[ 2000, 2001 ] } ); \
|
|
sleep( 300 ); \
|
|
}'
|
|
);
|
|
|
|
// Frequent writes cause the find operation to yield.
|
|
p2 = startParallelShell(
|
|
'for( i = 0; i < 1800; ++i ) { \
|
|
db.jstests_coveredIndex3_other.save( {} ); \
|
|
sleep( 10 ); \
|
|
}'
|
|
);
|
|
|
|
for( i = 0; i < 30; ++i ) {
|
|
t.drop();
|
|
t.ensureIndex( { a:1 } );
|
|
|
|
for( j = 0; j < 1000; ++j ) {
|
|
t.save( { a:j } );
|
|
}
|
|
|
|
c = t.find( {}, { _id:0, a:1 } ).hint( { a:1 } ).batchSize( batchSize );
|
|
while( c.hasNext() ) {
|
|
o = c.next();
|
|
// If o contains a high numeric 'a' value, it must come from an array saved in p1.
|
|
assert( !( o.a > 1500 ), 'improper object returned ' + tojson( o ) );
|
|
}
|
|
}
|
|
|
|
p1();
|
|
p2();
|
|
|
|
}
|
|
|
|
doTest( 2000 ); // Test query.
|
|
doTest( 500 ); // Try to test getMore - not clear if this will actually trigger the getMore issue.
|
|
|
|
}
|