diff options
| author | The Android Open Source Project <initial-contribution@android.com> | 2008-12-17 18:05:43 -0800 |
|---|---|---|
| committer | The Android Open Source Project <initial-contribution@android.com> | 2008-12-17 18:05:43 -0800 |
| commit | f013e1afd1e68af5e3b868c26a653bbfb39538f8 (patch) | |
| tree | 7ad6c8fd9c7b55f4b4017171dec1cb760bbd26bf /core/java/android/database/DatabaseUtils.java | |
| parent | e70cfafe580c6f2994c4827cd8a534aabf3eb05c (diff) | |
Code drop from //branches/cupcake/...@124589
Diffstat (limited to 'core/java/android/database/DatabaseUtils.java')
| -rw-r--r-- | core/java/android/database/DatabaseUtils.java | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/core/java/android/database/DatabaseUtils.java b/core/java/android/database/DatabaseUtils.java index ab0dc3f7d3a9..2ff72947879f 100644 --- a/core/java/android/database/DatabaseUtils.java +++ b/core/java/android/database/DatabaseUtils.java @@ -241,6 +241,21 @@ public class DatabaseUtils { } /** + * Concatenates two SQL WHERE clauses, handling empty or null values. + * @hide + */ + public static String concatenateWhere(String a, String b) { + if (TextUtils.isEmpty(a)) { + return b; + } + if (TextUtils.isEmpty(b)) { + return a; + } + + return "(" + a + ") AND (" + b + ")"; + } + + /** * return the collation key * @param name * @return the collation key |