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fixed merged view fields names (BUG#5147)

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support of merged VIEW over several tables added (WL#1809)


mysql-test/r/view.result:
  merge of VIEW with several tables
mysql-test/t/view.test:
  merge of VIEW with several tables
sql/item.cc:
  renaming Item and restoring item name on cleunup()
sql/item.h:
  renaming Item and restoring item name on cleunup()
  debug output added
sql/item_cmpfunc.h:
  setup_conds() changed to support two tables lists
sql/item_subselect.cc:
  list of table leaves used instead of local table list for name resolving
sql/mysql_priv.h:
  setup_conds() and setup_tables() changed to support two tables lists
sql/opt_sum.cc:
  list of table leaves used instead of local table list for name resolving
sql/sp.cc:
  setup_tables() changed to support two tables lists
sql/sql_base.cc:
  skip temporary tables in table finding
  fixed merged view fields names (BUG#5147)
sql/sql_delete.cc:
  setup_conds() and setup_tables() changed to support two tables lists
sql/sql_help.cc:
  setup_tables() changed to support two tables lists
sql/sql_insert.cc:
  setup_tables() changed to support two tables lists
  name handling support
sql/sql_lex.cc:
  allow view with several tables for MERGE
sql/sql_lex.h:
  new table list
sql/sql_load.cc:
  setup_tables() changed to support two tables lists
sql/sql_olap.cc:
  setup_tables() changed to support two tables lists
sql/sql_parse.cc:
  new list support
sql/sql_prepare.cc:
  new list support
sql/sql_select.cc:
  list of table leaves used instead of local table list for name resolving
sql/sql_update.cc:
  setup_conds() and setup_tables() changed to support two tables lists
sql/sql_view.cc:
  support of MERGED VIEWS with several tables
sql/sql_yacc.yy:
  removed blanks in new code
sql/table.cc:
  fixed setup view code
  support of merged VIEW over several tables added
sql/table.h:
  fixed merged view fields names (BUG#5147)
This commit is contained in:
unknown 2004-09-14 19:28:29 +03:00
commit 55a8c28c27
25 changed files with 599 additions and 182 deletions
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4
sql/sql_lex.cc
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@ -1006,7 +1006,7 @@ void st_select_lex::init_query()
table_list.empty();
top_join_list.empty();
join_list= &top_join_list;
embedding= 0;
embedding= leaf_tables= 0;
item_list.empty();
join= 0;
where= prep_where= 0;
@ -1564,7 +1564,7 @@ bool st_lex::can_be_merged()
select_lex.group_list.elements == 0 &&
select_lex.having == 0 &&
select_lex.with_sum_func == 0 &&
select_lex.table_list.elements == 1 &&
select_lex.table_list.elements >= 1 &&
!(select_lex.options & SELECT_DISTINCT) &&
select_lex.select_limit == HA_POS_ERROR);
}