r9364: Various fixes from CommonSQL Tutorial.

[clsql.git] / TODO

diff --git a/TODO b/TODO
index 0beae4cde3e4dab4a2b23f5fbfa099ecff5d5e94..bf7884a19001bb60db9692a1ac6d671d48db124e 100644 (file)
--- a/TODO
+++ b/TODO
@@ -9,13 +9,10 @@ TESTS TO ADD
 * test *db-auto-sync* 
 * test SELECT caching
 * for-each-row macro
+* universal-time 
 
 COMMONSQL SPEC
 
-* Missing: 
-
-  UPDATE-OBJECT-JOINS 
-
 * Incompatible 
 
  >> The functional sql interface 
@@ -25,17 +22,21 @@ COMMONSQL SPEC
 
  >> Symbolic SQL syntax 
 
-      o Complete sql expressions (see operations.lisp)
+      o userenv (Oracle specific but deprecated in Oracle 9) 
 
-         nvl (Oracle specific) 
-         userenv (Oracle specific) 
-        minus (Oracle specific: does the same as EXCEPT) 
-        || 
+VARIANCES FROM COMMONSQL
 
-      o variables (e.g., table identifiers) should be instantiated at runtime 
+UPDATE-OBJECT-JOINS:
+ Rather than simply reading the values for each
+ object, to meet CommonSQL spec need to generate a single
+ query to read values for all objects, up to max-len count.
 
-OPTIMIZATIONS
+COMMIT,ROLLBACK,START-TRANSACTION: 
+ When COMMIT or ROLLBACK are called outside of WITH-TRANSACTION, an sql 
+ transaction must be explicitly started first with START-TRANSACTION. 
 
+OPTIMIZATIONS
+ 
 * Revisit result-type list creation,perhaps caching
 
 POSSIBLE EXTENSIONS
@@ -52,7 +53,9 @@ MYSQL
 drop-index:   requires a table to be specified with the :from keyword parameter
 views:        mysql does not support views  
 queries:      nested subqueries are not supported
+syntax:       doesn't support the sql concatenation operator (||). 
 
 SQLITE 
 
-create-view: column-list parameter not supported 
+create-view:  column-list parameter not supported 
+syntax:       doesn't support the sql SUBSTRING operator.