Mongodb內嵌數組的完全匹配查詢
阿新 • • 發佈:2018-01-18
mongo 查詢條件 body god font ont detail mongod 內嵌 },
{
"dDate" : ISODate("2017-05-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
},
{
"dDate" : ISODate("2017-06-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
}
]
}
{
"cNo" : "12",
"Details" : [
{
"dDate" : ISODate("2017-04-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
},
{
"dDate" : ISODate("2017-05-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
},
{
"dDate" : ISODate("2017-06-01T00:00:00.000+0800"),
"bNo" : "No00000000500"
}
]
}
{
"cNo" : "13",
"Details" : [
{
"dDate" : ISODate("2017-04-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
},
{
"dDate" : ISODate("2017-05-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
},
{
"dDate" : ISODate("2017-06-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
}
]
}
樣例數據:
{
"cNo" : "11",
"Details" : [
{
"dDate" : ISODate("2017-04-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
{
"dDate" : ISODate("2017-05-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
{
"dDate" : ISODate("2017-06-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
}
}
{
"cNo" : "12",
"Details" : [
{
"dDate" : ISODate("2017-04-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
},
{
"dDate" : ISODate("2017-05-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
},
{
"dDate" : ISODate("2017-06-01T00:00:00.000+0800"),
"bNo" : "No00000000500"
}
]
}
{
"cNo" : "13",
"Details" : [
{
"dDate" : ISODate("2017-04-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
},
{
"dDate" : ISODate("2017-05-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
},
{
"dDate" : ISODate("2017-06-01T00:00:00.000+0800"),
"bNo" : "No00000000497"
}
]
}
查詢條件:dDate等於2017-06-01,且bNo等於No00000000497的數據
正確查詢語句:{Details:{ $elemMatch:{ "bNo":"No00000000497","dDate": ISODate("2017-10-01T00:00:00.000+0800") } }}
查詢結果:11、13
(非完全匹配/錯誤)查詢語句:{"Details.bNo":"No00000000497","Details.dDate":ISODate("2017-10-01T00:00:00.000+0800")}
查詢結果:11、12、13
Mongodb內嵌數組的完全匹配查詢