r9113: intial changes for list-table-indexes

[clsql.git] / db-odbc / odbc-api.lisp

diff --git a/db-odbc/odbc-api.lisp b/db-odbc/odbc-api.lisp
index a15d628f8c3c82120ed7cbf7e91f00ba5f6465b2..5ff3d09cb7f4750e32cedaf68fb1e45fb083eae9 100644 (file)
--- a/db-odbc/odbc-api.lisp
+++ b/db-odbc/odbc-api.lisp
@@ -939,3 +939,49 @@ as possible second argument) to the desired representation of date/time/timestam
 (defun %list-tables (hstmt)
   (with-error-handling (:hstmt hstmt)
     (SQLTables hstmt +null-ptr+ 0 +null-ptr+ 0 +null-ptr+ 0 +null-ptr+ 0)))
+
+(defun %table-statistics (table hstmt &key unique (ensure t))
+  (with-cstrings ((table-cs table))
+    (with-error-handling (:hstmt hstmt)
+      (print hstmt)
+      (print table-cs)
+      (print (uffi:convert-from-cstring table-cs))
+      (SQLStatistics 
+       hstmt
+       +null-ptr+ 0
+       +null-ptr+ 0
+       table-cs (length table) ;;$SQL_NTS
+       (if unique $SQL_INDEX_UNIQUE $SQL_INDEX_ALL)
+       (if ensure $SQL_ENSURE $SQL_QUICK)))))
+
+(defun %list-data-sources (henv)
+  (let ((dsn (allocate-foreign-string (1+ $SQL_MAX_DSN_LENGTH)))
+       (desc (allocate-foreign-string 256))
+       (results nil))
+    (unwind-protect
+        (with-foreign-objects ((dsn-len :short)
+                               (desc-len :short))
+          (let ((res (with-error-handling (:henv henv)
+                       (SQLDataSources henv $SQL_FETCH_FIRST dsn
+                                       (1+ $SQL_MAX_DSN_LENGTH)
+                                       dsn-len desc 256 desc-len))))
+            (when (or (eql res $SQL_SUCCESS)
+                      (eql res $SQL_SUCCESS_WITH_INFO))
+              (push (convert-from-foreign-string dsn) results))
+            
+            (do ((res (with-error-handling (:henv henv)
+                        (SQLDataSources henv $SQL_FETCH_NEXT dsn
+                                        (1+ $SQL_MAX_DSN_LENGTH)
+                                        dsn-len desc 256 desc-len))
+                      (with-error-handling (:henv henv)
+                        (SQLDataSources henv $SQL_FETCH_NEXT dsn
+                                        (1+ $SQL_MAX_DSN_LENGTH)
+                                        dsn-len desc 256 desc-len))))
+                ((not (or (eql res $SQL_SUCCESS)
+                          (eql res $SQL_SUCCESS_WITH_INFO))))
+              (push (convert-from-foreign-string dsn) results))))
+      (progn
+       (free-foreign-object dsn)
+       (free-foreign-object desc)))
+    (nreverse results)))
+