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// Test $or query with several clauses on separate indexes.
t = db.jstests_oro;
t.drop();
orClauses = [];
for( idxKey = 'a'; idxKey <= 'aaaaaaaaaa'; idxKey += 'a' ) {
idx = {}
idx[ idxKey ] = 1;
t.ensureIndex( idx );
for( i = 0; i < 200; ++i ) {
t.insert( idx );
}
orClauses.push( idx );
}
printjson( t.find({$or:orClauses}).explain() );
c = t.find({$or:orClauses}).batchSize( 100 );
count = 0;
while( c.hasNext() ) {
for( i = 0; i < 50 && c.hasNext(); ++i, c.next(), ++count );
// Interleave with another operation.
t.stats();
}
assert.eq( 10 * 200, count );
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