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am e2a281ca: Merge "Add additional Method that check whether a table is empty or not"

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* commit 'e2a281ca85f17eaf6d47978c76d2cafb0fa81782':
  Add additional Method that check whether a table is empty or not
This commit is contained in:
Jeff Brown
2013-05-28 12:57:59 -07:00
committed by Android Git Automerger
parent a503315865 e2a281ca85
commit 79df1e6545
1 changed files with 12 additions and 0 deletions
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12
core/java/android/database/DatabaseUtils.java
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@@ -791,6 +791,18 @@ public class DatabaseUtils {
selectionArgs); selectionArgs);
} }
/**
* Query the table to check whether a table is empty or not
* @param db the database the table is in
* @param table the name of the table to query
* @return True if the table is empty
* @hide
*/
public static boolean queryIsEmpty(SQLiteDatabase db, String table) {
long isEmpty = longForQuery(db, "select exists(select 1 from " + table + ")", null);
return isEmpty == 0;
}
/** /**
* Utility method to run the query on the db and return the value in the * Utility method to run the query on the db and return the value in the
* first column of the first row. * first column of the first row.