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author | Jeff Brown <jeffbrown@android.com> | 2013-05-28 19:55:25 +0000 |
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committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2013-05-28 19:55:26 +0000 |
commit | e2a281ca85f17eaf6d47978c76d2cafb0fa81782 (patch) | |
tree | 015b7f2c477d497ac9746233b2bb15515f672381 /core/java/android/database | |
parent | 7f3ff133c19ed50dd245e025a44e1de7bcc3d38a (diff) | |
parent | ac4daee248b4bb0cb658c83437e4a9d93c6dce2d (diff) | |
download | frameworks_base-e2a281ca85f17eaf6d47978c76d2cafb0fa81782.zip frameworks_base-e2a281ca85f17eaf6d47978c76d2cafb0fa81782.tar.gz frameworks_base-e2a281ca85f17eaf6d47978c76d2cafb0fa81782.tar.bz2 |
Merge "Add additional Method that check whether a table is empty or not"
Diffstat (limited to 'core/java/android/database')
-rw-r--r-- | core/java/android/database/DatabaseUtils.java | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/core/java/android/database/DatabaseUtils.java b/core/java/android/database/DatabaseUtils.java index 1fc1226..e2d9724 100644 --- a/core/java/android/database/DatabaseUtils.java +++ b/core/java/android/database/DatabaseUtils.java @@ -792,6 +792,18 @@ public class DatabaseUtils { } /** + * 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 * first column of the first row. */ |