merge with 3.23.56 to get patches for --lower-case-table-names and

proper handling of SUM() in some functions.



BitKeeper/etc/logging_ok:
  auto-union
sql/item_cmpfunc.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/item_strfunc.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_db.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/table.cc:
  Auto merged
mysql-test/r/group_by.result:
  merge with 3.23.56
mysql-test/t/group_by.test:
  merge with 3.23.56
sql/item_strfunc.h:
  merge with 3.23.56
sql/mysqld.cc:
  merge with 3.23.56
sql/sql_parse.cc:
  merge with 3.23.56
sql/sql_yacc.yy:
  merge with 3.23.56

1 files changed, 22 insertions, 2 deletions

diff --git a/sql/table.cc b/sql/table.cc
index 7e284c89871..9eaea728007 100644
--- a/sql/table.cc
+++ b/sql/table.cc
@@ -1100,9 +1100,29 @@ char *get_field(MEM_ROOT *mem, TABLE *table, uint fieldnr)
   return to;
 }
 
-bool check_db_name(const char *name)
+
+/*
+  Check if database name is valid
+
+  SYNPOSIS
+    check_db_name()
+    name		Name of database
+
+  NOTES
+    If lower_case_table_names is set then database is converted to lower case
+
+  RETURN
+    0	ok
+    1   error
+*/
+
+bool check_db_name(char *name)
 {
-  const char *start=name;
+   char *start=name;
+
+  if (lower_case_table_names)
+    casedn_str(name);
+
   while (*name)
   {
 #if defined(USE_MB) && defined(USE_MB_IDENT)