lib/srdb1: added entities to define the size for event and etag columns

- etag column size set to 128 (it was 64, but some UAs generate a longer
one)

src/lib/srdb1/schema/entities.xml

@@ -22,6 +22,8 @@
 <!ENTITY expires_len "11">
 <!ENTITY flag_len "11">
 <!ENTITY description_len "255">
+<!ENTITY event_len "64">
+<!ENTITY etag_len "128">
 <!ENTITY MYSQL_TABLE_TYPE "">
 <!ENTITY USERCOL "username">
 <!ENTITY DEFAULT_ALIASES_EXPIRES "2030-05-28 21:32:15">

src/lib/srdb1/schema/pr_presentity.xml

@@ -51,7 +51,7 @@
     <column id="event">
         <name>event</name>
         <type>string</type>
-        <size>&user_len;</size>
+        <size>&event_len;</size>
         <description>Event</description>
         <natural/>
     </column>
@@ -59,8 +59,8 @@
     <column id="etag">
         <name>etag</name>
         <type>string</type>
-        <size>&user_len;</size>
-        <description>User name</description>
+        <size>&etag_len;</size>
+        <description>Etag attribute</description>
     </column>
 
     <column id="expires">