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WL#962: Added simple, read-only, non-scrolling, asensitive cursors in SPs, using the

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(updated) Protocol_cursor class.
Also did some bug fixes.


Docs/sp-imp-spec.txt:
  Added CURSOR docs (and fixed typos)
Docs/sp-implemented.txt:
  Updated for CURSORs
include/mysqld_error.h:
  New error codes/messages for CURSORs
libmysqld/Makefile.am:
  SP cursors now needs this.
mysql-test/r/sp-error.result:
  New tests for cursors.
mysql-test/r/sp.result:
  New tests for cursors.
mysql-test/t/sp-error.test:
  New tests for cursors.
mysql-test/t/sp.test:
  New tests for cursors.
sql/protocol.cc:
  We now always have Protocol_cursor (SPs use it)
sql/protocol.h:
  Fixed bugs in Protocol_cursor (for SPs)
sql/protocol_cursor.cc:
  Fixed bugs in Protocol_cursor (for SPs)
sql/share/czech/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/danish/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/dutch/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/english/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/estonian/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/french/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/german/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/greek/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/hungarian/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/italian/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/japanese/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/korean/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/norwegian-ny/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/norwegian/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/polish/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/portuguese/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/romanian/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/russian/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/serbian/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/slovak/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/spanish/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/swedish/errmsg.txt:
  New error codes/messages for CURSORs
sql/share/ukrainian/errmsg.txt:
  New error codes/messages for CURSORs
sql/sp_head.cc:
  Added cursor support.
  Also fixed problems with item_lists, where pointers and ref_pointer_arrays.
sql/sp_head.h:
  Added cursor support
sql/sp_pcontext.cc:
  Added cursor support
sql/sp_pcontext.h:
  Added cursor support
sql/sp_rcontext.cc:
  Added cursor support, in particular the new sp_cursor class.
sql/sp_rcontext.h:
  Added cursor support, in particular the new sp_cursor class.
sql/sql_lex.h:
  We sometimes need to copy item_lists in LEX when executing substatements in SPs
sql/sql_yacc.yy:
  Added minimal cursor support (not the full syntax yet).
This commit is contained in:
unknown
2003-10-10 16:57:21 +02:00
parent 4379cbcf30
commit 04c6b9b8d8
42 changed files with 1290 additions and 71 deletions
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82
mysql-test/r/sp-error.result
View File

@ -138,3 +138,85 @@ end;
select f(10);
ERROR HY000: FUNCTION f ended without RETURN
drop function f;
create procedure p()
begin
declare c cursor for insert into test.t1 values ("foo", 42);
open c;
close c;
end;
ERROR HY000: Cursor statement must be a SELECT
create procedure p()
begin
declare x int;
declare c cursor for select * into x from test.t limit 1;
open c;
close c;
end;
ERROR HY000: Cursor SELECT must not have INTO
create procedure p()
begin
declare c cursor for select * from test.t;
open cc;
close c;
end;
ERROR HY000: Undefined CURSOR: cc
drop table if exists t1;
create table t1 (val int);
create procedure p()
begin
declare c cursor for select * from test.t1;
open c;
open c;
close c;
end;
call p();
ERROR HY000: Cursor is already open
drop procedure p;
create procedure p()
begin
declare c cursor for select * from test.t1;
open c;
close c;
close c;
end;
call p();
ERROR HY000: Cursor is not open
drop procedure p;
drop table t1;
drop table if exists t1;
create table t1 (val int, x float);
insert into t1 values (42, 3.1), (19, 1.2);
create procedure p()
begin
declare c cursor for select * from t1;
declare x int;
open c;
fetch c into x, y;
close c;
end;
ERROR HY000: Undeclared variable: y
create procedure p()
begin
declare c cursor for select * from t1;
declare x int;
open c;
fetch c into x;
close c;
end;
call p();
ERROR HY000: Wrong number of FETCH variables
drop procedure p;
create procedure p()
begin
declare c cursor for select * from t1;
declare x int;
declare y float;
declare z int;
open c;
fetch c into x, y, z;
close c;
end;
call p();
ERROR HY000: Wrong number of FETCH variables
drop procedure p;
drop table t1;