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8a9422bd2a
Had to add a cahing mechanism which is in parts an ugly kludge, but it will be reworked once the real SP caching is implemented. mysql-test/r/sp.result: New function tests. mysql-test/t/sp.test: New function tests. sql/sp.cc: Big rehack of mysql.proc table usage strategy and adding a function cache mechanism, since we need to read used functions from the db before doing anything else when executing a query. (This cache is temporary and will probably be replaced by the real thing later.) sql/sp.h: New (temporary) FUNCTION caching functions. sql/sp_head.cc: Fixed some bugs in the function and procedure execution. Disabled some data collections that's not used at the moment. sql/sp_head.h: Fixed some bugs in the function and procedure execution. Disabled some data collections that's not used at the moment. sql/sql_class.h: Added SP function cache list to thd. sql/sql_lex.cc: Added SP function name list to lex. sql/sql_lex.h: Added SP function name list to lex. sql/sql_parse.cc: Read used FUNCTIONs from db and cache them in thd before doing anything else in a query execution. (This is necessary since we can't open mysql.proc during query execution.) sql/sql_yacc.yy: Collect used function names in lex.
65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
/* -*- C++ -*- */
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/* Copyright (C) 2002 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef _SP_H_
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#define _SP_H_
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// Return codes from sp_create_* and sp_drop_*:
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#define SP_OK 0
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#define SP_KEY_NOT_FOUND -1
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#define SP_OPEN_TABLE_FAILED -2
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#define SP_WRITE_ROW_FAILED -3
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#define SP_DELETE_ROW_FAILED -4
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#define SP_GET_FIELD_FAILED -5
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#define SP_PARSE_ERROR -6
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sp_head *
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sp_find_procedure(THD *thd, LEX_STRING *name);
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int
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sp_create_procedure(THD *thd, char *name, uint namelen, char *def, uint deflen);
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int
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sp_drop_procedure(THD *thd, char *name, uint namelen);
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sp_head *
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sp_find_function(THD *thd, LEX_STRING *name);
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int
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sp_create_function(THD *thd, char *name, uint namelen, char *def, uint deflen);
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int
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sp_drop_function(THD *thd, char *name, uint namelen);
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// QQ Temporary until the function call detection in sql_lex has been reworked.
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bool
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sp_function_exists(THD *thd, LEX_STRING *name);
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// QQ More temporary stuff until the real cache is implemented. This is
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// needed since we have to read the functions before we do anything else.
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void
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sp_add_fun_to_lex(LEX *lex, LEX_STRING fun);
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void
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sp_merge_funs(LEX *dst, LEX *src);
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int
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sp_cache_functions(THD *thd, LEX *lex);
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void
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sp_clear_function_cache(THD *thd);
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#endif /* _SP_H_ */
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