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Code Activity

new lock for multiupdate:

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- open and create derived tables
- detect which tables should be locked for write
- lock and fill derived tables
some unitialized variables fixed


mysql-test/r/lock_multi.result:
  correct results returned
mysql-test/r/multi_update.result:
  correct results returned
mysql-test/r/view.result:
  correct results returned
mysql-test/t/multi_update.test:
  correct results returned
mysql-test/t/view.test:
  correct results returned
sql/mysql_priv.h:
  derived tables processing splited on table creation and table filling
sql/sql_base.cc:
  derived tables processing splited on table creation and table filling
sql/sql_class.h:
  function to detect when we need fill derived tables
sql/sql_derived.cc:
  derived tables processing splited on table creation and table filling
sql/sql_lex.cc:
  fixed uninitialized value
sql/sql_load.cc:
  fixed uninitialized value
sql/sql_parse.cc:
  initialization muved (will be done for all queries)
sql/sql_prepare.cc:
  preparation of multiupdate changed a bit because new locking procedure
sql/sql_update.cc:
  new lock for multiupdate:
  - open and create derived tables
  - detect which tables should be locked for write
  - lock and fill derived tables
sql/table.h:
  place to store select_result between creation and filling tables
This commit is contained in:
unknown
2004-11-05 17:29:47 +02:00
parent e981c83610
commit 8b0ece5e88
15 changed files with 216 additions and 155 deletions
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2
sql/sql_load.cc
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@@ -91,7 +91,7 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
int error;
String *field_term=ex->field_term,*escaped=ex->escaped;
String *enclosed=ex->enclosed;
Item *unused_conds;
Item *unused_conds= 0;
bool is_fifo=0;
#ifndef EMBEDDED_LIBRARY
LOAD_FILE_INFO lf_info;