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Added Non-prelocked SP execution: Now a PROCEDURE doesn't enter/leave prelocked mode for

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its body, but lets each statement to get/release its own locks. This allows a broader set
of statements to be executed inside PROCEDUREs (but breaks replication)
This patch should fix BUG#8072, BUG#8766, BUG#9563, BUG#11126


mysql-test/r/sp-security.result:
  Drop tables this test attempts to create
mysql-test/r/sp-threads.result:
  Update test results
mysql-test/r/sp.result:
  Disabled a test that triggers BUG#11986, cleanup used tables when tests start.
mysql-test/r/view.result:
  Enabled a test case that now works with prelocking-free SPs
mysql-test/t/sp-security.test:
  Drop tables this test attempts to create
mysql-test/t/sp.test:
  Disabled a test that triggers BUG#11986, cleanup used tables when tests start.
mysql-test/t/view.test:
  Enabled a test case that now works with prelocking-free SPs
sql/handler.cc:
  Rename: thd->transaction.in_sub_stmt -> thd->in_sub_stmt
sql/item_func.cc:
  Rename: thd->transaction.in_sub_stmt -> thd->in_sub_stmt
sql/sp.cc:
  Non-prelocked SP execution: Added support for skipping prelocking of procedure body for
  "CALL proc(...)" statements.
sql/sp.h:
  Non-prelocked SP execution: Added support for skipping prelocking of procedure body for
  "CALL proc(...)" statements.
sql/sp_cache.h:
  Added comments
sql/sp_head.cc:
  Non-prelocked SP execution:
  * Try to unlock tables after PROCEDURE arguments have been evaluated.
  * Make sp_lex_keeper be able to execute in 2 modes: A) when already in prelocked mode
    B) when its statement enters/leaves prelocked mode itself.
sql/sp_head.h:
  Non-prelocked SP execution:  Make sp_lex_keeper to additionally keep list of tables it 
  needs to prelock when its statement enters/leaves prelocked mode on its own.
sql/sql_base.cc:
  Non-prelocked SP execution: Make open_tables() to
   * detect 'CALL proc(...)' and not to do prelocking for procedure body statements.
   * Make lex->query_tables_last to point precisely to a boundary in lex->query_tables 
     list where 'own' tables and views' tables end and added-for-prelocking tables begin.
     (it was not true before - view's tables could end up after query_tables_own_last)
sql/sql_class.cc:
  Rename: thd->transaction.in_sub_stmt -> thd->in_sub_stmt
sql/sql_class.h:
  Rename: thd->transaction.in_sub_stmt -> thd->in_sub_stmt
sql/sql_lex.cc:
  Non-prelocked SP execution: More rigourous cleanup in st_lex::cleanup_after_one_table_open()
sql/sql_parse.cc:
  Rename: thd->transaction.in_sub_stmt -> thd->in_sub_stmt, remove outdated comments
sql/sql_trigger.h:
  Rename: thd->transaction.in_sub_stmt -> thd->in_sub_stmt
This commit is contained in:
unknown 2005-07-30 08:19:57 +00:00
commit 11abe15eab
22 changed files with 735 additions and 127 deletions
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6
sql/sql_class.h
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@ -1132,6 +1132,10 @@ public:
thr_lock_type update_lock_default;
delayed_insert *di;
my_bool tablespace_op; /* This is TRUE in DISCARD/IMPORT TABLESPACE */
/* TRUE if we are inside of trigger or stored function. */
bool in_sub_stmt;
/* container for handler's private per-connection data */
void *ha_data[MAX_HA];
struct st_transactions {
@ -1139,8 +1143,6 @@ public:
THD_TRANS all; // Trans since BEGIN WORK
THD_TRANS stmt; // Trans for current statement
bool on; // see ha_enable_transaction()
/* TRUE if we are inside of trigger or stored function. */
bool in_sub_stmt;
XID xid; // transaction identifier
enum xa_states xa_state; // used by external XA only
/*