sp.test, sp.result:

  Added a test case for bug #6866.
sql_select.cc:
  Fixed bug #6866.
  Bug was due to the fact that on_expr was not backed up
  for the second execution of the stored procedure.


sql/sql_select.cc:
  Fixed bug #6866.
  Bug was due to the fact that on_expr was not backed up
  for the second execution of the stored procedure.
mysql-test/r/sp.result:
  Added a test case for bug #6866.
mysql-test/t/sp.test:
  Added a test case for bug #6866.

mysql-test/r/sp.result

@@ -3138,4 +3138,44 @@ x
 x
 3
 drop procedure bug10961|
+DROP PROCEDURE IF EXISTS bug6866|
+DROP VIEW IF EXISTS tv|
+Warnings:
+Note	1051	Unknown table 'test.tv'
+DROP TABLE IF EXISTS tt1,tt2,tt3|
+Warnings:
+Note	1051	Unknown table 'tt1'
+Note	1051	Unknown table 'tt2'
+Note	1051	Unknown table 'tt3'
+CREATE TABLE tt1 (a1 int, a2 int, a3 int, data varchar(10))|
+CREATE TABLE tt2 (a2 int, data2 varchar(10))|
+CREATE TABLE tt3 (a3 int, data3 varchar(10))|
+INSERT INTO tt1 VALUES (1, 1, 4, 'xx')|
+INSERT INTO tt2 VALUES (1, 'a')|
+INSERT INTO tt2 VALUES (2, 'b')|
+INSERT INTO tt2 VALUES (3, 'c')|
+INSERT INTO tt3 VALUES (4, 'd')|
+INSERT INTO tt3 VALUES (5, 'e')|
+INSERT INTO tt3 VALUES (6, 'f')|
+CREATE VIEW tv AS
+SELECT tt1.*, tt2.data2, tt3.data3
+FROM tt1 INNER JOIN tt2 ON tt1.a2 = tt2.a2
+LEFT JOIN tt3 ON tt1.a3 = tt3.a3
+ORDER BY tt1.a1, tt2.a2, tt3.a3|
+CREATE PROCEDURE bug6866 (_a1 int)
+BEGIN
+SELECT * FROM tv WHERE a1 = _a1;
+END|
+CALL bug6866(1)|
+a1	a2	a3	data	data2	data3
+1	1	4	xx	a	d
+CALL bug6866(1)|
+a1	a2	a3	data	data2	data3
+1	1	4	xx	a	d
+CALL bug6866(1)|
+a1	a2	a3	data	data2	data3
+1	1	4	xx	a	d
+DROP PROCEDURE bug6866;
+DROP VIEW tv|
+DROP TABLE tt1, tt2, tt3|
 drop table t1,t2;

mysql-test/t/sp.test

@@ -3848,6 +3848,50 @@ call bug10961()|
 
 drop procedure bug10961|
 
+#
+# BUG #6866: Second call of a stored procedure using a view with on expressions
+#
+
+--disable_warnings
+DROP PROCEDURE IF EXISTS bug6866|
+--enable_warnings
+
+DROP VIEW IF EXISTS tv|
+DROP TABLE IF EXISTS tt1,tt2,tt3|
+
+CREATE TABLE tt1 (a1 int, a2 int, a3 int, data varchar(10))|
+CREATE TABLE tt2 (a2 int, data2 varchar(10))|
+CREATE TABLE tt3 (a3 int, data3 varchar(10))|
+
+INSERT INTO tt1 VALUES (1, 1, 4, 'xx')|
+
+INSERT INTO tt2 VALUES (1, 'a')|
+INSERT INTO tt2 VALUES (2, 'b')|
+INSERT INTO tt2 VALUES (3, 'c')|
+
+INSERT INTO tt3 VALUES (4, 'd')|
+INSERT INTO tt3 VALUES (5, 'e')|
+INSERT INTO tt3 VALUES (6, 'f')|
+
+CREATE VIEW tv AS
+SELECT tt1.*, tt2.data2, tt3.data3
+  FROM tt1 INNER JOIN tt2 ON tt1.a2 = tt2.a2
+         LEFT JOIN tt3 ON tt1.a3 = tt3.a3
+    ORDER BY tt1.a1, tt2.a2, tt3.a3|
+
+CREATE PROCEDURE bug6866 (_a1 int)
+BEGIN
+SELECT * FROM tv WHERE a1 = _a1;
+END|
+
+CALL bug6866(1)|
+CALL bug6866(1)|
+CALL bug6866(1)|
+
+DROP PROCEDURE bug6866;
+
+DROP VIEW tv|
+DROP TABLE tt1, tt2, tt3|
 
 #
 # BUG#NNNN: New bug synopsis

sql/sql_select.cc

@@ -7374,6 +7374,8 @@ simplify_joins(JOIN *join, List<TABLE_LIST> *join_list, COND *conds, bool top)
     }
     else
     {
+      if (!(table->prep_on_expr))
+        table->prep_on_expr= table->on_expr;
       used_tables= table->table->map;
       if (conds)
         not_null_tables= conds->not_null_tables();