Can Android SQLite databases be queried for JSON data, similar to how XML data can be stored and queried in sql-server using xpath? Is it possible to do something like this with sqlite?
Can Android SQLite databases be queried for JSON data, similar to how XML data can be stored and queried in sql-server using xpath? Is it possible to do something like this with sqlite?
Declining the answer is not possible in SQLite, although you can make use of "LIKE" for searching. However, it might be a slow process.
The most efficient way is to parse the json into classes and store the database data in tables.
If you only require certain keys from the json, you can create a "MetaClass" (if we may call it that) and parse only the desired fields for searching. For example:
JSON:
{"name": "Matt", "age": 23, "extra_data": "blbablalbalbalbalbalblbalbalbla"}
Class:
class User{
String name;
int age;
String fullJsonData;
}
In this manner, all JSON data will be stored in a column, and the query data will be separated into columns.
This method can prove to be very useful! JsonSchema2POJO
It enables you to "convert" your JSON into a Java Class using the parser of your choice. Personally, I prefer using Jackson.
Does this code snippet fulfill your requirements?
{
ContentValues data = new ContentValues();
data.put("Keyword", "Data");
Global.dbw.addEntry("Table Name", data);
}
public long addEntry(String tableName, ContentValues val)
{
long outcome = db.insert(tableName, null, val);
return outcome;
}
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