bk commit into 5.1 tree (rafal:1.2506)

[rsomla]

Below is the list of changes that have just been committed into a local
5.1 repository of rafal. When rafal does a push these changes will
be propagated to the main repository and, within 24 hours after the
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ChangeSet@stripped, 2007-04-03 21:27:00+02:00, rafal@quant.(none) +1 -0
  Added documentation and comments to get_create_stmt().

  sql/backup/meta_backup.cc@stripped, 2007-04-03 21:26:57+02:00, rafal@quant.(none) +21 -8
    Added documentation and comments to get_create_stmt().

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	rafal
# Host:	quant.(none)
# Root:	/ext/mysql/bk/backup/prototype

--- 1.5/sql/backup/meta_backup.cc	2007-04-03 21:27:05 +02:00
+++ 1.6/sql/backup/meta_backup.cc	2007-04-03 21:27:05 +02:00
@@ -251,9 +251,25 @@
   DBUG_RETURN(TRUE);
 }
 
+/**
+ Produce a CREATE TABLE statement corresponding to a given table.
+
+ @note The statement uses qualified table name (<db name>.<table>) so
+ that works correct regardless of the current database.
+
+ @param tbl (in)  open TABLE_LIST structure for the table
+ @param s   (out) String where the statement is stored.
+
+ @returns TRUE if there were errors, FALSE otherwise.
+ */
 
 bool get_create_stmt(THD *thd, TABLE_LIST *tbl, String &s)
 {
+  String table_name;        // Buffer to store table name
+  uint len;                 // store length of the table name
+  int index= 0;             // index of table name in create string
+  int period= 0;            // index of "." in create string
+
   DBUG_ENTER("backup::get_create_stmt");
 
   /*
@@ -271,15 +287,12 @@
   if (res)
     DBUG_RETURN(TRUE);
 
-  String table_name;        // Buffer to store table name
-  uint len;                 // store length of the table name
-  int index= 0;             // index of table name in create string
-  int period= 0;            // index of "." in create string
-
   /*
-    Capture the table name then create a database.table string
-    for inserting into the CREATE statement in replace of the
-    table name.
+    Aparrently, it is not possible to make the store_create_info() function
+    produce a CREATE TABLE statement with qualified table names.
+
+    Therefore we modify the returned statement replacing table name with the
+    qualified one.
   */
 
   table_name.length(0);