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/* 0 */
{
"_id" : ObjectId("5108993fd9800a0c708cebc0"),
"id" : 1,
"stacks" : [{
"idx" : 1,
"inAddr" : 1,
"retAddr" : 1,
"module" : 1
}, {
"idx" : 2,
"inAddr" : 2,
"retAddr" : 2,
"module" : 2
}]
}
/* 1 */
{
"_id" : ObjectId("51089944d9800a0c708cebc1"),
"id" : 2,
"stacks" : [{
"idx" : 1,
"inAddr" : 1,
"retAddr" : 1,
"module" : 1
}, {
"idx" : 2,
"inAddr" : 2,
"retAddr" : 2,
"module" : 2
}, {
"idx" : 3,
"inAddr" : 3,
"retAddr" : 3,
"module" : 3
}]
}
/* 2 */
{
"_id" : ObjectId("5108994ad9800a0c708cebc2"),
"id" : 3,
"stacks" : [{
"idx" : 1,
"inAddr" : 1,
"retAddr" : 1,
"module" : 1
}, {
"idx" : 2,
"inAddr" : 2,
"retAddr" : 2,
"module" : 2
}, {
"idx" : 3,
"inAddr" : 3,
"retAddr" : 3,
"module" : 3
}]
}
/* 3 */
{
"_id" : ObjectId("51089953d9800a0c708cebc3"),
"id" : 4,
"stacks" : [{
"idx" : 1,
"inAddr" : 1,
"retAddr" : 1,
"module" : 1
}, {
"idx" : 2,
"inAddr" : 2,
"retAddr" : 2,
"module" : 2
}, {
"idx" : 3,
"inAddr" : 3,
"retAddr" : 3,
"module" : 3
}]
}
/* 4 */
{
"_id" : ObjectId("5108995cd9800a0c708cebc4"),
"id" : 5,
"stacks" : [{
"idx" : 1,
"inAddr" : 1,
"retAddr" : 1,
"module" : 1
}, {
"idx" : 2,
"inAddr" : 2,
"retAddr" : 2,
"module" : 2
}, {
"idx" : 3,
"inAddr" : 3,
"retAddr" : 3,
"module" : 3
}]
}
var cursor=db.myCollection.find();
while(cursor.hasNext()){
var y=cursor.next();
for(var i=0;i<y.stacks.length;i++){
delete y.stacks[i].idx;
delete y.stacks[i].inAddr;
delete y.stacks[i].retAddr;
}
db.stacks.save(y);
}
db.myCollection.find()