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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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8
sql/protocol.h
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@ -47,17 +47,13 @@ public:
Protocol(THD *thd) { init(thd); }
virtual ~Protocol() {}
void init(THD* thd);
bool send_fields(List<Item> *list, uint flag);
virtual bool send_fields(List<Item> *list, uint flag);
bool send_records_num(List<Item> *list, ulonglong records);
bool store(I_List<i_string> *str_list);
bool store(const char *from, CHARSET_INFO *cs);
String *storage_packet() { return packet; }
inline void free() { packet->free(); }
#ifndef EMBEDDED_LIBRARY
bool write();
#else
virtual bool write();
#endif
inline bool store(uint32 from)
{ return store_long((longlong) from); }
inline bool store(longlong from)
@ -158,6 +154,7 @@ public:
Protocol_cursor(THD *thd, MEM_ROOT *ini_alloc) :Protocol_simple(thd), alloc(ini_alloc) {}
bool prepare_for_send(List<Item> *item_list)
{
row_count= 0;
fields= NULL;
data= NULL;
prev_record= &data;
@ -165,6 +162,7 @@ public:
}
bool send_fields(List<Item> *list, uint flag);
bool write();
uint get_field_count() { return field_count; }
};
void send_warning(THD *thd, uint sql_errno, const char *err=0);