From a732644480ff8b5b2ee46124af4d8c62944e39eb Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Fri, 1 Jul 2016 16:34:28 +0300
Subject: fix users queries

---
 src/main/java/com/juick/server/UserQueries.java | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/main/java/com/juick/server/UserQueries.java b/src/main/java/com/juick/server/UserQueries.java
index ca562765..db380d7a 100644
--- a/src/main/java/com/juick/server/UserQueries.java
+++ b/src/main/java/com/juick/server/UserQueries.java
@@ -117,13 +117,19 @@ public class UserQueries {
     }
 
     public static List<User> getUsersByName(JdbcTemplate sql, List<String> unames) {
-        return sql.query("SELECT id,nick,banned FROM users WHERE nick IN (" + Utils.convertArrayString2String(unames) + ")",
-                new UserMapper());
+    	if (!unames.isEmpty()) {
+            return sql.query("SELECT id,nick,banned FROM users WHERE nick IN (" + Utils.convertArrayString2String(unames) + ")",
+                    new UserMapper());
+        }
+	return Collections.emptyList();
     }
 
     public static List<User> getUsersByID(JdbcTemplate sql, List<Integer> uids) {
-        return sql.query("SELECT id,nick,banned FROM users WHERE id IN (" + Utils.convertArrayInt2String(uids) + ")",
-                new UserMapper());
+	if (!uids.isEmpty()) {
+            return sql.query("SELECT id,nick,banned FROM users WHERE id IN (" + Utils.convertArrayInt2String(uids) + ")",
+                    new UserMapper());
+	}
+	return Collections.emptyList();
     }
 
     public static boolean fillUsersByID(JdbcTemplate sql, List<User> users) {
-- 
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