mirror of
https://github.com/MariaDB/server.git
synced 2025-01-19 13:32:33 +01:00
2662b59306
Docs/manual.texi: Added Innobase documentation configure.in: Incremented version include/my_base.h: Added option for Innobase myisam/mi_check.c: cleanup mysql-test/t/bdb.test: cleanup mysql-test/t/innobase.test: Extended with new tests from bdb.test mysql-test/t/merge.test: Added test of SHOW create mysys/my_init.c: Fix for UNIXWARE 7 scripts/mysql_install_db.sh: Always write how to start mysqld scripts/safe_mysqld.sh: Fixed type sql/ha_innobase.cc: Update to new version sql/ha_innobase.h: Update to new version sql/handler.h: Added 'update_table_comment()' and 'append_create_info()' sql/sql_delete.cc: Fixes for Innobase sql/sql_select.cc: Fixes for Innobase sql/sql_show.cc: Append create information (for MERGE tables) sql/sql_update.cc: Fixes for Innobase
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/******************************************************
|
|
Simple SQL optimizer
|
|
|
|
(c) 1997 Innobase Oy
|
|
|
|
Created 12/21/1997 Heikki Tuuri
|
|
*******************************************************/
|
|
|
|
#ifndef pars0opt_h
|
|
#define pars0opt_h
|
|
|
|
#include "univ.i"
|
|
#include "que0types.h"
|
|
#include "usr0types.h"
|
|
#include "pars0sym.h"
|
|
#include "dict0types.h"
|
|
#include "row0sel.h"
|
|
|
|
/***********************************************************************
|
|
Optimizes a select. Decides which indexes to tables to use. The tables
|
|
are accessed in the order that they were written to the FROM part in the
|
|
select statement. */
|
|
|
|
void
|
|
opt_search_plan(
|
|
/*============*/
|
|
sel_node_t* sel_node); /* in: parsed select node */
|
|
/***********************************************************************
|
|
Looks for occurrences of the columns of the table in the query subgraph and
|
|
adds them to the list of columns if an occurrence of the same column does not
|
|
already exist in the list. If the column is already in the list, puts a value
|
|
indirection to point to the occurrence in the column list, except if the
|
|
column occurrence we are looking at is in the column list, in which case
|
|
nothing is done. */
|
|
|
|
void
|
|
opt_find_all_cols(
|
|
/*==============*/
|
|
ibool copy_val, /* in: if TRUE, new found columns are
|
|
added as columns to copy */
|
|
dict_index_t* index, /* in: index to use */
|
|
sym_node_list_t* col_list, /* in: base node of a list where
|
|
to add new found columns */
|
|
plan_t* plan, /* in: plan or NULL */
|
|
que_node_t* exp); /* in: expression or condition */
|
|
/************************************************************************
|
|
Prints info of a query plan. */
|
|
|
|
void
|
|
opt_print_query_plan(
|
|
/*=================*/
|
|
sel_node_t* sel_node); /* in: select node */
|
|
|
|
#ifndef UNIV_NONINL
|
|
#include "pars0opt.ic"
|
|
#endif
|
|
|
|
#endif
|