我嘗試爲酒店預訂創建ios應用程序。我所有的數據都存儲在firebase中。我的酒店名稱和位置存儲在「HotelLocation」表中。如何使用複雜查詢從Firebase檢索數據?
{
"HotelLocation": {
"H1": {
"name": "Ghetu hotel",
"location": "shonargao,dhaka"
},
"H2": {
"name": "BB hotel",
"location": "gulshan,dhaka"
},
"H3": {
"name": "Shuvashish hotel",
"location": "uttara,dhaka"
},
"H4": {
"name": "Bodi hotel",
"location": "uttara,dhaka"
}
}
}
這是表「HotelLocation」我的JSON格式,但我無法從該表中檢索數據僅用於「鬱多羅」,即如果我搜索鬱多羅那我應該得到
Shuvashish酒店
博迪酒店
我嘗試用「queryEqualToValu e',但問題在於'uttara,dhaka',因爲firebase區分大小寫。所以'dhaka'正在造成問題。
有沒有在Firebase中使用SQL命令「%LIKE%」的方法?
Firebase沒有通配符文本搜索操作。請參閱http://stackoverflow.com/questions/22506531/how-to-perform-sql-like-operation-on-firebase,http://stackoverflow.com/questions/39058119/firebase-database-requests-and-queries -like-sql-where-in和http://stackoverflow.com/questions/31036903/how-can-i-achieve-this-many-to-many-relationship-in-firebase –