better log support

sql/risotto.sql

@@ -1,8 +1,16 @@
-CREATE TABLE log(
+CREATE TABLE RisottoLog(
+  LogId SERIAL PRIMARY KEY,
   Msg VARCHAR(255) NOT NULL,
+  URI VARCHAR(255),
+  URIS VARCHAR(255),
+  UserLogin VARCHAR(100) NOT NULL,
   Level VARCHAR(10) NOT NULL,
-  Path VARCHAR(255),
-  Username VARCHAR(100) NOT NULL,
+  ContextId INTEGER,
   Data JSON,
-  Date timestamp DEFAULT current_timestamp
+  Returns JSON,
+  StartDate timestamp DEFAULT current_timestamp,
+  StopDate timestamp
 );
+CREATE INDEX RisottoLog_ContextId_index ON RisottoLog(ContextId);
+CREATE INDEX RisottoLog_Login_index ON RisottoLog(UserLogin);
+CREATE INDEX RisottoLog_URI_index ON RisottoLog(URI);