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Author SHA1 Message Date
unknown
ac9f68b9fa Better approach for prelocking of tables for stored routines execution 
and some SP-related cleanups.

- We don't have separate stage for calculation of list of tables
  to be prelocked and doing implicit LOCK/UNLOCK any more.
  Instead we calculate this list at open_tables() and do implicit
  LOCK in lock_tables() (and UNLOCK in close_thread_tables()).
  Also now we support cases when same table (with same alias) is
  used several times in the same query in SP.

- Cleaned up execution of SP. Moved all common code which handles
  LEX and does preparations before statement execution or complex
  expression evaluation to auxilary sp_lex_keeper class. Now 
  all statements in SP (and corresponding instructions) that
  evaluate expression which can contain subquery have their
  own LEX.


mysql-test/r/lock.result:
  Replaced wrong error code with the correct one after fixing bug in
  SP-locking.
mysql-test/r/mysqldump.result:
  Added dropping of view which is used in test to its beginning.
mysql-test/r/sp.result:
  Added tests for improved SP-locking.
  Temporarily disabled tests for SHOW PROCEDURE STATUS and alike
  (Until Monty will allow to open mysql.proc under LOCK TABLES without
  mentioning it in lock list).
  Replaced wrong results of test for bug #5240 with correct results after
  fixing bug in handling of cursors.
mysql-test/t/lock.test:
  Replaced wrong error code with the correct one after fixing bug in
  SP-locking.
mysql-test/t/mysqldump.test:
  Added dropping of view which is used in test to its beginning.
mysql-test/t/sp.test:
  Added tests for improved SP-locking.
  Temporarily disabled tests for SHOW PROCEDURE STATUS and alike
  (Until Monty will allow to open mysql.proc under LOCK TABLES without
  mentioning it in lock list).
  Removed test for bug #1654 since we already test exactly this function
  in one of SP-locking tests.
  Removed comment about cursor's wrong behavior in test for bug #5240
  after fixing bug which was its cause.
sql/item_func.cc:
  Removed comment which is no longer true.
sql/mysql_priv.h:
  Changed open_tables() signature.
  Now its 2nd parameter is in/out since it can add elements to table list.
sql/sp.cc:
  sp_find_procedure():
   Added one more parameter which enforces cache only lookup.
  
  sp_merge_hash():
   Now uses its return value to indicate that first of two hashes changed
   as result of merge.
  
  sp_cache_routines():
   This function caches all stored routines used in query now.
sql/sp.h:
  - sp_find_procedure() now has one more parameter which enforces cache only
    lookup.
  - sp_merge_hash() now uses its return value to indicate that first of two
    hashes changed as result of merge.
  - sp_cache_routines() caches all stored routines now. So it does not need
    third argument any more.
sql/sp_head.cc:
  sp_head::sp_head():
   Added initialization of new m_spfuns and m_spprocs members.
  
  sp_head::execute():
   Let us save/restore part of thread context which can be damaged by
   execution of instructions.
  sp_head::execute_function()/execute_procedure():
   Now it is responsibility of caller to close tables used in
   subqueries which are passed as routine parameters.
  
  sp_head::restore_lex():
   Let us accumulate information about routines used by this one
   in new m_spfuns, m_spprocs hashes.
  
  sp_lex_keeper::reset_lex_and_exec_core()
   Main method of new auxilary sp_lex_keeper class to which instructions 
   delegate responsibility for handling LEX and preparations before
   executing statement or calculating complex expression.
  
  Since all instructions which calculate complex expression or execute
  command now use sp_lex_keeper they have to implement
  sp_instr::exec_core() method. Most of instruction specific logic
  has moved from sp_instr::execute() to this new method.
  
  Removed sp_instr_set_user_var class which is no longer used, because
  nowdays we allow execution of statements in stored functions and
  triggers.
  
  sp_merge_table_list() became sp_head::merge_table_list() method. It
  also treats sp_head::m_sptabs as multi-set of tables now.
  
  sp_hash_to_table_list() became sp_head::add_used_tables_to_table_list().
  It takes into account that sp_head::m_sptabs is multi-set and allocates
  object into persistent arena of PS.
  
  Removed sp_merge_table_hash(), sp_open_and_lock_tables(),
  sp_unlock_tables(), sp_merge_routine_tables() methods since they are not
  used by new prelocking mechanism.
  
  Added sp_add_sp_tables_to_table_list() which serves for adding tables needed
  by routines used in query to the query table list for prelocking.
sql/sp_head.h:
  class sp_head:
  - Added m_spfuns, m_spprocs members for storing names of routines used
    by this routine.
  - Added add_used_tables_to_table_list() method which allows to add
    tables needed by this routine to query's table list.
  - Converted sp_merge_table_list() to sp_head::merge_table_list() method.
  - Changed semantics of THD::m_sptabs. Now it is multi-set which contains
    only tables which are used by this routine and not routines that are
    called from this one.
  
  Removed sp_merge_routine_tables(), sp_merge_table_hash(),
  sp_open_and_lock_tables(), sp_unlock_tables() calls since they are not
  used for our prelocking list calculation.
  
  Added auxilary sp_lex_keeper class to which instructions delegate
  responsibility for handling LEX and preparations before executing
  statement or calculating complex expression. This class uses
  new sp_instr::exec_core() method which is responsible for executing
  instruction's core function after all preparations were made.
  
  All instructions which hold and calculate complex expression now have
  their own LEX (by aggregating sp_lex_keeper instance). sp_instr_stmt
  now uses sp_lex_keeper too.
  
  Removed sp_instr_set_user_var class which is no longer used, because
  nowdays we allow execution of statements in stored functions and
  triggers.
sql/sp_rcontext.cc:
  Now sp_cursor holds pointer to sp_lex_keeper instead of LEX.
sql/sp_rcontext.h:
  Now sp_cursor holds pointer to sp_lex_keeper instead of LEX.
sql/sql_acl.cc:
  acl_init(), grant_init():
    Now we use simple_open_n_lock_tables() instead of explicit
    calls to open_tables() and mysql_lock_tables().
sql/sql_base.cc:
  Implemented support for execution of statements in "prelocked" mode.
  
  When we have statement which uses stored routines explicitly or
  implicitly (via views or triggers) we have to open and lock all tables
  for these routines at the same time as tables for the main statement.
  In fact we have to do implicit LOCK TABLES at the begining of such
  statement and implict UNLOCK TABLES at its end. We call such mode
  "prelocked".
  
  When open_tables() is called for the statement tables which are needed
  for execution of routines used by it are added to its tables list
  (this process also caches all routines used). Implicit use of routines
  is discovered when we open view or table with trigger and apropriate
  tables are added to the table list at this moment. Statement which has
  such extra tables in its list (well actually any that uses functions)
  is marked as requiring prelocked mode for its execution.
  
  When lock_tables() sees such statement it will issue implicit LOCK TABLES
  for this extended table list instead of doing usual locking, it will also
  set THD::prelocked_mode to indicate that we are in prelocked mode.
  
  When open_tables()/lock_tables() are called for statement of stored
  routine (substatement), they notice that we are running in prelocked mode
  and use one of prelocked tables from those that are not used by upper
  levels of execution.
  
  close_thread_tables() for substatement won't really close tables used
  but will mark them as free for reuse instead.
  
  Finally when close_thread_tables() is called for the main statement it
  really unlocks and closes all tables used.
  
  Everything will work even if one uses such statement under real LOCK
  TABLES (we are simply not doing implicit LOCK/UNLOCK in this case).
sql/sql_class.cc:
  Added initialization of THD::prelocked_mode member.
sql/sql_class.h:
  - Added prelocked_mode_type enum and THD::prelocked_mode member
    which are used for indication whenever "prelocked mode" is on 
    (i.e. that statement uses stored routines and is executed under
     implicit LOCK TABLES).
  - Removed THD::shortcut_make_view which is no longer needed.
    We use TABLE_LIST::prelocking_placeholder for the same purprose
    now.
sql/sql_handler.cc:
  Changed open_tables() invocation.
  Now its 2nd parameter is in/out since it can add elements to table list.
sql/sql_lex.cc:
  lex_start():
    Added initialization of LEX::query_tables_own_last.
    Unused LEX::sptabs member was removed.
  st_lex::unlink_first_table()/link_first_table_back():
    We should update LEX::query_tables_last properly if table list
    contains(ed) only one element.
sql/sql_lex.h:
  LEX:
  - Removed sptabs member since it is no longer used.
  - Added query_tables_own_last member, which if non-0 indicates that
    statement requires prelocking (implicit LOCK TABLES) for its execution
    and points to last own element in query table list. If it is zero
    then this query does not need prelocking.
  - Added requires_prelocking(), mark_as_requiring_prelocking(),
    first_not_own_table() inline methods to incapsulate and simplify
    usage of this new member.
sql/sql_parse.cc:
  dispatch_command():
    To properly leave prelocked mode when needed we should call
    close_thread_tables() even if there are no open tables.
  mysql_execute_command():
  - Removed part of function which were responsible for doing implicit
    LOCK TABLES before statement execution if statement used stored 
    routines (and doing UNLOCK TABLES at the end).
    Now we do all this in open_tables()/lock_tables()/close_thread_tables()
    instead.
  - It is also sensible to reset errors before execution of statement
    which uses routines.
  - SQLCOM_DO, SQLCOM_SET_OPTION, SQLCOM_CALL
    We should always try to open tables because even if statement has empty
    table list, it can call routines using tables, which should be preopened
    before statement execution.
  - SQLCOM_CALL
    We should not look up routine called in mysql.proc, since it should be
    already cached by this moment by open_tables() call.
  - SQLCOM_LOCK_TABLES
    it is better to use simple_open_n_lock_tables() since we want to avoid
    materialization of derived tables for this command.
sql/sql_prepare.cc:
  mysql_test_update():
    Changed open_tables() invocations. Now its 2nd parameter is in/out
    since it can add elements to table list.
  check_prepared_statement():
    Since now we cache all routines used by statement in open_tables() we 
    don't need to do it explicitly.
  mysql_stmt_prepare():
    Now we should call close_thread_tables() when THD::lex points to the
    LEX of statement which opened tables.
  reset_stmt_for_execute():
    Commented why we are resetting all tables in table list.
sql/sql_trigger.h:
  Table_triggers_list::process_triggers():
    We should surpress sending of ok packet when we are calling trigger's
    routine, since now we allow statements in them.
sql/sql_update.cc:
  Changed open_tables() invocations.
  Now its 2nd parameter is in/out since it can add elements to table list.
sql/sql_view.cc:
  mysql_make_view():
  - Removed handling of routines used in view. Instead we add tables which
    are needed for their execution to statement's table list in 
    open_tables().
  - Now we use TABLE_LIST::prelocking_placeholder instead of 
    THD::shortcut_make_view for indicating that view is opened
    only to discover which tables and routines it uses (this happens
    when we build extended table list for prelocking). Also now we try
    to avoid to modify main LEX in this case (except of its table list).
  - Corrected small error we added tables to the table list of the main
    LEX without updating its query_tables_last member properly.
sql/sql_yacc.yy:
  Now each expression which is used in SP statements and can contain
  subquery has its own LEX. This LEX is stored in corresponding sp_instr
  object and used along with Item tree for expression calculation.
  
  We don't need sp_instr_set_user_var() anymore since now we allow
  execution of statements in stored functions and triggers.
sql/table.h:
  Added TABLE_LIST::prelocking_placeholder member for distinguishing
  elements of table list which does not belong to the statement itself
  and added there only for prelocking (as they are to be used by routines
  called by this statement).
sql/tztime.cc:
  my_tz_init():
    Now we use more simplier simple_open_n_lock_tables() call instead of 
    open_tables()/lock_tables() pair.
 2005-03-04 16:35:28 +03:00
unknown
4c06b4aed7 Fixed BUG#6029: Stored procedure specific handlers should have priority. 
mysql-test/r/sp.result:
  New test case for BUG#6022.
mysql-test/t/sp.test:
  New test case for BUG#6022.
sql/sp_rcontext.cc:
  Find the most specific condition handler, not just the first one.
  (And corrected the return type for find_handler)
sql/sp_rcontext.h:
  Corrected return type for find_handler.
 2004-10-23 14:23:32 +02:00
unknown
2a49121590 Strict mode & better warnings 
Under strict mode MySQL will generate an error message if there was any conversion when assigning data to a field.
Added checking of date/datetime fields.
If strict mode, give error if we have not given value to field without a default value (for INSERT)


client/mysqltest.c:
  Added --exit as an option to abort a test in a middle (good for debugging)
include/my_time.h:
  Added flags to allow checking of dates in strict mode
include/mysql_com.h:
  Added flag to check if field has a default value or not
include/mysqld_error.h:
  New error messages for strict mode
include/sql_state.h:
  Fixed SQL states (for strict mode tests)
mysql-test/r/auto_increment.result:
  Updated error messages
mysql-test/r/func_sapdb.result:
  Added test for ALLOW_INVALID_DATES
mysql-test/r/func_str.result:
  Updated error messages
mysql-test/r/func_time.result:
  Updated error messages
mysql-test/r/insert.result:
  Updated error messages
mysql-test/r/loaddata.result:
  Updated error messages
mysql-test/r/select.result:
  Updated error messages
mysql-test/r/sp.result:
  Updated error messages
mysql-test/r/timezone2.result:
  Updated error messages
mysql-test/r/type_datetime.result:
  Updated error messages
mysql-test/r/type_decimal.result:
  Updated error messages
mysql-test/r/type_float.result:
  Updated error messages
mysql-test/r/type_ranges.result:
  Updated error messages
mysql-test/r/type_time.result:
  Updated error messages
mysql-test/r/type_uint.result:
  Updated error messages
mysql-test/r/warnings.result:
  Updated error messages
mysql-test/t/func_sapdb.test:
  Aded test
sql-common/my_time.c:
  Added checking of dates
sql/field.cc:
  Better error messages
  Optimization of warning handling (by introducing of check_int())
  Changed to use my_strtoll10()
sql/field.h:
  Added check_int()
sql/item_func.cc:
  Warnings when dividing by NULL
sql/item_func.h:
  Warnings when dividing by NULL
sql/item_timefunc.cc:
  Testing of date/datetime
  Use macros instead of constants
sql/mysql_priv.h:
  New modes (part of strict mode)
sql/mysqld.cc:
  New modes (part of strict mode)
sql/opt_range.cc:
  Simple optimizations
sql/protocol.cc:
  Add note/warning level to find_handler()
sql/set_var.cc:
  Added mode 'traditional'
sql/share/czech/errmsg.txt:
  New error messages for strict mode
sql/share/danish/errmsg.txt:
  New error messages for strict mode
sql/share/dutch/errmsg.txt:
  New error messages for strict mode
sql/share/english/errmsg.txt:
  New error messages for strict mode
sql/share/estonian/errmsg.txt:
  New error messages for strict mode
sql/share/french/errmsg.txt:
  New error messages for strict mode
sql/share/german/errmsg.txt:
  New error messages for strict mode
sql/share/greek/errmsg.txt:
  New error messages for strict mode
sql/share/hungarian/errmsg.txt:
  New error messages for strict mode
sql/share/italian/errmsg.txt:
  New error messages for strict mode
sql/share/japanese/errmsg.txt:
  New error messages for strict mode
sql/share/korean/errmsg.txt:
  New error messages for strict mode
sql/share/norwegian-ny/errmsg.txt:
  New error messages for strict mode
sql/share/norwegian/errmsg.txt:
  New error messages for strict mode
sql/share/polish/errmsg.txt:
  New error messages for strict mode
sql/share/portuguese/errmsg.txt:
  New error messages for strict mode
sql/share/romanian/errmsg.txt:
  New error messages for strict mode
sql/share/russian/errmsg.txt:
  New error messages for strict mode
sql/share/serbian/errmsg.txt:
  New error messages for strict mode
sql/share/slovak/errmsg.txt:
  New error messages for strict mode
sql/share/spanish/errmsg.txt:
  New error messages for strict mode
sql/share/swedish/errmsg.txt:
  New error messages for strict mode
sql/share/ukrainian/errmsg.txt:
  New error messages for strict mode
sql/sp_rcontext.cc:
  Add note/warning level to find_handler()
sql/sp_rcontext.h:
  Add note/warning level to find_handler()
sql/sql_base.cc:
  Fix bug for detecting crashed table
sql/sql_class.cc:
  Variables for strct mode
sql/sql_class.h:
  Variables for strct mode
sql/sql_error.cc:
  In strict mode, convert warnings to errors
sql/sql_insert.cc:
  Strict mode
  If strict mode, give error if we have not given value to field without a default value
sql/sql_load.cc:
  Strict mode
sql/sql_parse.cc:
  Strict mode.
  Add flag to field if it doesn't have a default value
sql/sql_select.cc:
  Added comment
  Prepare for upper level handling of table->status
sql/sql_union.cc:
  Added THD to write_record()
sql/sql_update.cc:
  Strict mode
sql/table.cc:
  Handling of default values
sql/time.cc:
  Checking of dates
 2004-09-28 20:08:00 +03:00
unknown
1912148cec Fixed BUG#3294: Stored procedure crash if table dropped before use. 
Dropping the table was not the real problem, the problem was with errors
  occuring within error handlers.


mysql-test/r/sp-error.result:
  New test case for BUG#3294.
mysql-test/t/sp-error.test:
  New test case for BUG#3294.
sql/sp_head.cc:
  Use hreturn instruction both for continue and exit handlers (a special case
  of a jump).
sql/sp_head.h:
  Use hreturn instruction both for continue and exit handlers (a special case
  of a jump).
sql/sp_rcontext.cc:
  Keep track on if we're in a handler already, for error handling.
sql/sp_rcontext.h:
  Keep track on if we're in a handler already, for error handling.
sql/sql_yacc.yy:
  Use hreturn instruction both for continue and exit handlers (a special case
  of a jump).
 2004-09-10 11:11:52 +02:00
unknown
28287c0dc5 Fixed BUG#2653: Undeclared variables not detected in stored procedures. 
We now get an run-time error instead of a crash (although a slightly misleading
error message, but it's an improvement).


mysql-test/r/sp-error.result:
  New test case for BUG#2653.
mysql-test/t/sp-error.test:
  New test case for BUG#2653.
sql/sp_head.cc:
  Detect failed evals (fix item really), which are due to unresolved variables/fields.
  Typically this would be a reference to an undeclared variable.
  (Also got rid of some compiler warnings.)
sql/sp_rcontext.cc:
  Detect failed evals (fix item really), which are due to unresolved variables/fields.
  Typically this would be a reference to an undeclared variable.
sql/sp_rcontext.h:
  Changed return type to int, so be able to detect failed evals (fix item).
sql/sql_class.cc:
  Changed return type to int, so be able to detect failed evals (fix item).
 2004-07-21 14:53:09 +02:00
unknown
b092868307 Fix BUG#2269: Lost connect if stored procedure called before USE 
(And some minor correction of cursor open)


sql/sp_head.cc:
  Detect some errors that doesn't result in a non-zero return code in
  the SP execution loop.
  (Also corrected the cursor post_open() call.)
sql/sp_rcontext.cc:
  Corrected the semantics of cursor post_open().
sql/sp_rcontext.h:
  Corrected the semantics of cursor post_open().
 2004-01-09 09:36:37 +01:00
unknown
027535733d Fix BUG#2259: Crash after fetch from not-open cursor in stored procedure 
Initialize and test properly when cleaning up, to avoid crash in some error cases.


mysql-test/r/sp-error.result:
  Test case for BUG#2259
mysql-test/t/sp-error.test:
  Test case for BUG#2259
sql/sp_rcontext.cc:
  Cleanup in a more controlled way to avoid crashes in some error cases.
  Remove unused variable.
sql/sp_rcontext.h:
  Initialize member var, for cleanup tests.
 2004-01-08 10:37:31 +01:00
unknown
4f72061f40 Update for VC++ 
(Fixed project files, compiler warnings etc..)


BitKeeper/etc/ignore:
  added mysql_priv.h
VC++Files/libmysqld/libmysqld.dsp:
  Update for VC++to
VC++Files/sql/mysqld.dsp:
  Update for VC++
client/mysqlbinlog.cc:
  Remove not used variable
sql-common/client.c:
  Fix for compilation with VC++
sql/filesort.cc:
  Remove not used variable
sql/item_timefunc.cc:
  Fixed compiler warnings
sql/log_event.cc:
  Fixed compiler warnings
  - One can't portable allocate an stack-array dynamicly
  - Changed sql_mode to ulong to match THD.variables.sql_mode (If they are not the same we get a lot of compiler warnings)
sql/log_event.h:
  Changed sql_mode to ulong to match THD.variables.sql_mode (If they are not the same we get a lot of compiler warnings)
sql/sp.cc:
  sql_mode to ulong
  Don't use strcpy
  Replaced sprintf() with strmov
sql/sp_cache.cc:
  Fixed compiler warning
sql/sp_head.cc:
  Removed not used variable
sql/sp_rcontext.cc:
  Removed not used variable
sql/sp_rcontext.h:
  Fixed compiler warning
sql/sql_class.cc:
  Portability fix
sql/sql_delete.cc:
  Fixed compiler warning
sql/sql_insert.cc:
  Fixed compiler warning
sql/sql_update.cc:
  Fixed compiler warning
 2003-12-21 02:07:45 +02:00
unknown
919b5ba6b5 Fixed BUG#1965: Opening a cursor hangs client when malformed select fails 
and BUG#1966: "select 1 into a" on top-level hangs client


include/mysql_com.h:
  Added no_send_eof flag to NET for SP cursors (the simple read-only version).
mysql-test/r/sp-error.result:
  Added tests for BUG#1965 and BUG#1966.
mysql-test/t/sp-error.test:
  Added tests for BUG#1965 and BUG#1966.
sql/net_serv.cc:
  Added no_send_eof flag to NET for SP cursors (the simple read-only version).
sql/protocol.cc:
  Added no_send_eof flag to NET for SP cursors (the simple read-only version).
sql/sp_rcontext.cc:
  Use net->no_send_eof flag to prevent eofs during cursor open (instead of
  the dirty vio=0 which didn't work).
sql/sp_rcontext.h:
  Use net->no_send_eof flag to prevent eofs during cursor open (instead of
  the dirty vio=0 which didn't work).
sql/sql_yacc.yy:
  Give error message if doing SELECT ... INTO localvar even if it's outside an SP.
 2003-11-27 16:48:21 +01:00
unknown
776784b821 Fix for BUG#1495: Evaluate items before setting a local variable with SELECT INTO. 
Also copy and restore order_list and group_list for selects in SPs.


mysql-test/r/sp.result:
  Test for BUG#1495, and an additional cursor test.
mysql-test/t/sp.test:
  Test for BUG#1495, and an additional cursor test.
sql/sp_head.cc:
  Fix BUG#1495: renamed eval_func_item() into sp_eval_func_item() and made it
  non-static.
  Also need to copy and restore order_list and group_list pointers before and
  after execution of a substatement. (Which means these must always be properly
  initialized for all queries.)
sql/sp_rcontext.cc:
  Fix BUG#1495: Evaluate and set a local variable (for SELECT INTO).
sql/sp_rcontext.h:
  Fix BUG#1495: Evaluate and set a local variable (for SELECT INTO).
sql/sql_class.cc:
  Fix BUG#1495: Evaluate and set a local variable (for SELECT INTO).
sql/sql_class.h:
  Fix BUG#1495: Evaluate and set a local variable (for SELECT INTO); need type for this.
sql/sql_parse.cc:
  order_list and group_list must be initialized in select_lex for all queries,
  to make SP sub statement execution work.
sql/sql_yacc.yy:
  Type needed for setting local variables.
sql/table.h:
  Need a copy of the Item* pointer when executing sub-statements in SPs. (Since
  it's modified and must be restored afterwards.)
 2003-10-14 12:59:28 +02:00
unknown
04c6b9b8d8 WL#962: Added simple, read-only, non-scrolling, asensitive cursors in SPs, using the 
(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).
 2003-10-10 16:57:21 +02:00
unknown
4deedf6263 Implemented SP CONDITIONs and HANDLERs, with the extension of handling 
MySQL error codes as well.
(No UNDO HANDLERs yet, and no SIGNAL or RESIGNAL.)
WL#850


Docs/sp-imp-spec.txt:
  Spec of CONDITIONs and HANDLERs (and updated some old stuff too).
Docs/sp-implemented.txt:
  Updated info about caching, CONDITIONs and HANDLERs.
include/mysqld_error.h:
  New error for undeclared CONDITION.
libmysqld/Makefile.am:
  New file: sp_rcontext.cc.
mysql-test/r/sp-error.result:
  New tests for CONDITIONs and HANDLERs.
mysql-test/r/sp.result:
  New tests for CONDITIONs and HANDLERs.
mysql-test/t/sp-error.test:
  New tests for CONDITIONs and HANDLERs.
mysql-test/t/sp.test:
  New tests for CONDITIONs and HANDLERs.
sql/Makefile.am:
  New file: sp_rcontext.cc.
sql/lex.h:
  New symbols for CONDITIONs, HANDLERs and CURSORs.
sql/mysqld.cc:
  Catch error if we have a handler for it.
sql/protocol.cc:
  Catch error if we have a handler for it.
sql/share/czech/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/danish/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/dutch/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/english/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/estonian/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/french/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/german/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/greek/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/hungarian/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/italian/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/japanese/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/korean/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/norwegian-ny/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/norwegian/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/polish/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/portuguese/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/romanian/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/russian/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/serbian/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/slovak/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/spanish/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/swedish/errmsg.txt:
  New error for undeclared CONDITION.
sql/share/ukrainian/errmsg.txt:
  New error for undeclared CONDITION.
sql/sp_head.cc:
  New HANDLER code.
sql/sp_head.h:
  New HANDLER code.
sql/sp_pcontext.cc:
  New CONDITION and HANDLER code.
sql/sp_pcontext.h:
  New CONDITION and HANDLER code.
sql/sp_rcontext.h:
  New CONDITION and HANDLER code.
sql/sql_yacc.yy:
  New CONDITION and HANDLER code.
 2003-09-16 14:26:08 +02:00
unknown
76b037dc42 Made stored FUNCTION invokation work almost always. Still buggy and unstable, and 
various known problems, but good enough for a checkpoint commit.


mysql-test/r/sp.result:
  New tests for invoking simple FUNCTIONs.
mysql-test/t/sp.test:
  New tests for invoking simple FUNCTIONs.
sql/item_func.cc:
  New Item_func_sp for stored FUNCTIONs.
sql/item_func.h:
  New Item_func_sp for stored FUNCTIONs.
sql/sp.cc:
  Close mysql.proc table earlier so recursive find_function calls work.
  Added temporary sp_function_exists() function for checking without parsing.
sql/sp.h:
  Added temporary sp_function_exists() function for checking without parsing.
sql/sp_head.cc:
  New code for executing a FUNCTION. (And reworked some of the old code in the process.)
sql/sp_head.h:
  New code for executing a FUNCTION.
sql/sp_rcontext.h:
  Added result slot for FUNCTIONs.
sql/sql_lex.cc:
  Added check for stored FUNCTION, analogous to UDFs.
sql/sql_parse.cc:
  sp_head::execute was renamed into execute_procedure.
sql/sql_yacc.yy:
  Added parsing of stored FUNCTION invocation and code generation for RETURN statement.
 2003-02-26 19:22:29 +01:00
unknown
27de9ece81 Simplistic, experimental framework for Stored Procedures (SPs). 
Implements creation and dropping of PROCEDUREs, IN, OUT, and INOUT parameters,
single-statement procedures, rudimentary multi-statement (begin-end) prodedures
(when the client can handle it), and local variables.
Missing most of the embedded SQL language, all attributes, FUNCTIONs, error handling,
reparses procedures at each call (no caching), etc, etc.
Certainly buggy too, but procedures can actually be created and called....


sql/Makefile.am:
  Added SP files.
sql/item.cc:
  Added this*_item() methods for Item_splocal. (SP local variable)
sql/item.h:
  Added this*_item() methods for SPs in Item, and the new Item_splocal
  class (SP local variable).
sql/lex.h:
  Added new symbols for SPs. (Note: SPSET is temporary and will go away later.)
sql/sql_class.cc:
  Initialize SP runtime context in THD.
sql/sql_class.h:
  Add SP runtime context to THD.
sql/sql_lex.cc:
  Init. buf pointer to beginning of command (needed by SPs).
  Also initialize SP head and parse time context.
sql/sql_lex.h:
  New SQLCOM_ tags for SPs, and added pointer to beginning of command pointer and
  SP head and parse-time context to LEX.
sql/sql_parse.cc:
  Added SQLCOM_CREATE_PROCEDURE, _CALL, _ALTER_PROCEDURE and _DROP_PROCEDURE cases.
  (Still rudimentary and lacking proper error handling...)
sql/sql_yacc.yy:
  Lots and lots of additions for SPs...
  (Still even more missing, and no error messages...)
 2002-12-08 19:59:22 +01:00