Fixed BUG#3287: Stored Procedure Case Statement Not SQL:2003 Compliant.

include/mysqld_error.h:
  New error code for missing ELSE in SP CASE statement.
include/sql_state.h:
  New error code for missing ELSE in SP CASE statement.
mysql-test/r/sp-error.result:
  Test case for missing ELSE in SP CASE statement.
mysql-test/t/sp-error.test:
  Test case for missing ELSE in SP CASE statement.
sql/share/czech/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/danish/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/dutch/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/english/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/estonian/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/french/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/german/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/greek/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/hungarian/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/italian/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/japanese/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/korean/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/norwegian-ny/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/norwegian/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/polish/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/portuguese/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/romanian/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/russian/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/serbian/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/slovak/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/spanish/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/swedish/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/share/ukrainian/errmsg.txt:
  New error message for missing ELSE in SP CASE statement.
sql/sql_yacc.yy:
  Generate run-time error instruction when no ELSE in SP CASE statement.

include/mysqld_error.h

@@ -342,4 +342,5 @@
 #define ER_SP_NO_USE 1323
 #define ER_SP_VARCOND_AFTER_CURSHNDLR 1324
 #define ER_SP_CURSOR_AFTER_HANDLER 1325
-#define ER_ERROR_MESSAGES 326
+#define ER_SP_CASE_NOT_FOUND 1326
+#define ER_ERROR_MESSAGES 327

include/sql_state.h

@@ -199,3 +199,4 @@ ER_SP_SUBSELECT_NYI,            "0A000", "",
 ER_SP_NO_USE,                   "42000", "",
 ER_SP_VARCOND_AFTER_CURSHNDLR,  "42000", "",
 ER_SP_CURSOR_AFTER_HANDLER,     "42000", "",
+ER_SP_CASE_NOT_FOUND,           "20000", "",

mysql-test/r/sp-error.result

@@ -341,4 +341,25 @@ call bug2329_2()|
 ERROR 42S22: Unknown column 'v' in 'field list'
 drop procedure bug2329_1|
 drop procedure bug2329_2|
+create function bug3287() returns int
+begin
+declare v int default null;
+case
+when v is not null then return 1;
+end case;
+return 2;
+end|
+select bug3287()|
+ERROR 20000: Case not found for CASE statement
+drop function bug3287|
+create procedure bug3287(x int)
+case x
+when 0 then
+insert into test.t1 values (x, 0.1);
+when 1 then
+insert into test.t1 values (x, 1.1);
+end case|
+call bug3287(2)|
+ERROR 20000: Case not found for CASE statement
+drop procedure bug3287|
 drop table t1|

mysql-test/t/sp-error.test

@@ -473,6 +473,33 @@ call bug2329_2()|
 drop procedure bug2329_1|
 drop procedure bug2329_2|
 
+#
+# BUG#3287
+#
+create function bug3287() returns int
+begin
+  declare v int default null;
+
+  case
+    when v is not null then return 1;
+  end case;
+  return 2;
+end|
+--error 1326
+select bug3287()|
+drop function bug3287|
+
+create procedure bug3287(x int)
+case x
+when 0 then
+  insert into test.t1 values (x, 0.1);
+when 1 then
+  insert into test.t1 values (x, 1.1);
+end case|
+--error 1326
+call bug3287(2)|
+drop procedure bug3287|
+
 drop table t1|
 
 delimiter ;|

sql/share/czech/errmsg.txt

@@ -338,3 +338,4 @@ character-set=latin2
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/danish/errmsg.txt

@@ -332,3 +332,4 @@ character-set=latin1
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/dutch/errmsg.txt

@@ -340,3 +340,4 @@ character-set=latin1
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/english/errmsg.txt

@@ -329,3 +329,4 @@ character-set=latin1
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/estonian/errmsg.txt

@@ -334,3 +334,4 @@ character-set=latin7
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/french/errmsg.txt

@@ -329,3 +329,4 @@ character-set=latin1
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/german/errmsg.txt

@@ -341,3 +341,4 @@ character-set=latin1
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/greek/errmsg.txt

@@ -329,3 +329,4 @@ character-set=greek
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/hungarian/errmsg.txt

@@ -331,3 +331,4 @@ character-set=latin2
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/italian/errmsg.txt

@@ -329,3 +329,4 @@ character-set=latin1
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/japanese/errmsg.txt

@@ -331,3 +331,4 @@ character-set=ujis
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/korean/errmsg.txt

@@ -329,3 +329,4 @@ character-set=euckr
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/norwegian-ny/errmsg.txt

@@ -331,3 +331,4 @@ character-set=latin1
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/norwegian/errmsg.txt

@@ -331,3 +331,4 @@ character-set=latin1
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/polish/errmsg.txt

@@ -333,3 +333,4 @@ character-set=latin2
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/portuguese/errmsg.txt

@@ -330,3 +330,4 @@ character-set=latin1
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/romanian/errmsg.txt

@@ -333,3 +333,4 @@ character-set=latin2
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/russian/errmsg.txt

@@ -331,3 +331,4 @@ character-set=koi8r
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/serbian/errmsg.txt

@@ -324,3 +324,4 @@ character-set=cp1250
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/slovak/errmsg.txt

@@ -337,3 +337,4 @@ character-set=latin2
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/spanish/errmsg.txt

@@ -331,3 +331,4 @@ character-set=latin1
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/swedish/errmsg.txt

@@ -329,3 +329,4 @@ character-set=latin1
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/share/ukrainian/errmsg.txt

@@ -334,3 +334,4 @@ character-set=koi8u
 "USE is not allowed in a stored procedure"
 "Variable or condition declaration after cursor or handler declaration"
 "Cursor declaration after handler declaration"
+"Case not found for CASE statement"

sql/sql_yacc.yy

@@ -1908,9 +1908,16 @@ sp_case:
 	;
 
 sp_whens:
-	  /* Empty */ {}
-	| WHEN_SYM sp_case {}
+	  /* Empty */
+	  {
+	    sp_head *sp= Lex->sphead;
+	    uint ip= sp->instructions();
+	    sp_instr_error *i= new sp_instr_error(ip, ER_SP_CASE_NOT_FOUND);
+
+	    sp->add_instr(i);
+	  }
 	| ELSE sp_proc_stmts {}
+	| WHEN_SYM sp_case {}
 	;
 
 sp_labeled_control: