Importing files for 12.0.0 release.

git-svn-id: https://origsvn.digium.com/svn/asterisk/tags/12.0.0@404513 65c4cc65-6c06-0410-ace0-fbb531ad65f3

contrib/realtime/mysql/mysql_voicemail.sql

@@ -0,0 +1,28 @@
+CREATE TABLE alembic_version (
+    version_num VARCHAR(32) NOT NULL
+);
+
+-- Running upgrade None -> a2e9769475e
+
+CREATE TABLE voicemail_messages (
+    dir VARCHAR(255) NOT NULL, 
+    msgnum INTEGER NOT NULL, 
+    context VARCHAR(80), 
+    macrocontext VARCHAR(80), 
+    callerid VARCHAR(80), 
+    origtime INTEGER, 
+    duration INTEGER, 
+    recording BLOB, 
+    flag VARCHAR(30), 
+    category VARCHAR(30), 
+    mailboxuser VARCHAR(30), 
+    mailboxcontext VARCHAR(30), 
+    msg_id VARCHAR(40)
+);
+
+ALTER TABLE voicemail_messages ADD CONSTRAINT voicemail_messages_dir_msgnum PRIMARY KEY (dir, msgnum);
+
+CREATE INDEX voicemail_messages_dir ON voicemail_messages (dir);
+
+INSERT INTO alembic_version (version_num) VALUES ('a2e9769475e');
+