Update documentation on realtime; add a workaround for lack of realtime hints by using func_odbc

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@38823 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configs/func_odbc.conf.sample

@@ -39,3 +39,13 @@ write=UPDATE presence SET location='${SQL_ESC(${VAL1})}' WHERE id='${SQL_ESC(${A
 			; field may be separated into individual variables with ARRAY.
 			; This option turns that behavior off [default=yes].
 
+; ODBC_HINTS - Workaround for lack of realtime hints
+;
+; Use in extensions.conf as:
+; exten => _1XX,hint,${ODBC_HINTS(${EXTEN})}
+;
+; (assuming your extensions are 3 digits and all begin with the digit 1)
+[HINTS]
+dsn=mysql1
+read=SELECT channel FROM hints WHERE extension='${ARG1}'
+

doc/realtime.txt

@@ -25,8 +25,8 @@ Currently there are three realtime database drivers:
 * ODBC: Support for UnixODBC, integrated into Asterisk
   The UnixODBC subsystem supports many different databases,
   please check www.unixodbc.org for more information.
-* MySQL: Found in the asterisk-addons subversion repository on cvs.digium.com
+* MySQL: Found in the asterisk-addons subversion repository on svn.digium.com
-
+* PostgreSQL: Native support for Postgres, integrated into Asterisk
 
 * Two modes: Static and Realtime
 --------------------------------
@@ -106,6 +106,13 @@ For voicemail storage with the support of ODBC, there is a
 doc/odbcstorage.txt documentation file.
 
 
+* Limitations
+-------------
+Currently, realtime extensions do not support realtime hints.  There is
+a workaround available by using func_odbc.  See the sample func_odbc.conf
+for more information.
+
+
 * FreeTDS supported with connection pooling
 -------------------------------------------
 In order to use a FreeTDS-based database with realtime, you need to turn