Below is the list of changes that have just been committed into a local
5.0 repository of marcsql. When marcsql does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
For information on how to access the public repository
see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html
ChangeSet@stripped, 2007-03-01 14:06:57-07:00, malff@weblab.(none) +17 -0
Merge weblab.(none):/home/marcsql/TREE/mysql-5.0-base
into weblab.(none):/home/marcsql/TREE/mysql-5.0-rt-merge
MERGE: 1.2414.2.12
mysql-test/mysql-test-run.pl@stripped, 2007-03-01 14:06:33-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.196.1.3
mysql-test/r/subselect.result@stripped, 2007-03-01 14:06:50-07:00, malff@weblab.(none) +9
-51
MERGE: 1.172.1.1
mysql-test/t/disabled.def@stripped, 2007-03-01 14:06:33-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.42.1.1
mysql-test/t/subselect.test@stripped, 2007-03-01 14:06:53-07:00, malff@weblab.(none) +0 -28
MERGE: 1.139.1.1
server-tools/instance-manager/instance_options.cc@stripped, 2007-03-01 14:06:33-07:00,
malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.32.1.2
server-tools/instance-manager/mysqlmanager.cc@stripped, 2007-03-01 14:06:33-07:00,
malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.19.1.1
sql/item_cmpfunc.cc@stripped, 2007-03-01 14:06:33-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.233.1.1
sql/item_cmpfunc.h@stripped, 2007-03-01 14:06:33-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.141.1.1
sql/item_subselect.cc@stripped, 2007-03-01 14:06:34-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.151.1.2
sql/item_subselect.h@stripped, 2007-03-01 14:06:34-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.86.1.1
sql/sp_head.cc@stripped, 2007-03-01 14:06:34-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.230.1.1
sql/sql_base.cc@stripped, 2007-03-01 14:06:34-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.365.2.1
sql/sql_class.cc@stripped, 2007-03-01 14:06:34-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.256.1.2
sql/sql_lex.cc@stripped, 2007-03-01 14:06:34-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.209.1.3
sql/sql_lex.h@stripped, 2007-03-01 14:06:34-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.233.1.8
sql/sql_parse.cc@stripped, 2007-03-01 14:06:34-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.601.1.4
sql/sql_yacc.yy@stripped, 2007-03-01 14:06:35-07:00, malff@weblab.(none) +0 -0
Auto merged
MERGE: 1.498.1.8
# This is a BitKeeper patch. What follows are the unified diffs for the
# set of deltas contained in the patch. The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User: malff
# Host: weblab.(none)
# Root: /home/marcsql/TREE/mysql-5.0-rt-merge/RESYNC
--- 1.236/sql/item_cmpfunc.cc 2007-03-01 14:07:04 -07:00
+++ 1.237/sql/item_cmpfunc.cc 2007-03-01 14:07:04 -07:00
@@ -793,6 +793,59 @@ int Arg_comparator::compare_e_row()
}
+void Item_func_truth::fix_length_and_dec()
+{
+ maybe_null= 0;
+ null_value= 0;
+ decimals= 0;
+ max_length= 1;
+}
+
+
+void Item_func_truth::print(String *str)
+{
+ str->append('(');
+ args[0]->print(str);
+ str->append(STRING_WITH_LEN(" is "));
+ if (! affirmative)
+ str->append(STRING_WITH_LEN("not "));
+ if (value)
+ str->append(STRING_WITH_LEN("true"));
+ else
+ str->append(STRING_WITH_LEN("false"));
+ str->append(')');
+}
+
+
+bool Item_func_truth::val_bool()
+{
+ bool val= args[0]->val_bool();
+ if (args[0]->null_value)
+ {
+ /*
+ NULL val IS {TRUE, FALSE} --> FALSE
+ NULL val IS NOT {TRUE, FALSE} --> TRUE
+ */
+ return (! affirmative);
+ }
+
+ if (affirmative)
+ {
+ /* {TRUE, FALSE} val IS {TRUE, FALSE} value */
+ return (val == value);
+ }
+
+ /* {TRUE, FALSE} val IS NOT {TRUE, FALSE} value */
+ return (val != value);
+}
+
+
+longlong Item_func_truth::val_int()
+{
+ return (val_bool() ? 1 : 0);
+}
+
+
bool Item_in_optimizer::fix_left(THD *thd, Item **ref)
{
if (!args[0]->fixed && args[0]->fix_fields(thd, args) ||
@@ -1529,6 +1582,7 @@ Item_func_if::fix_length_and_dec()
{
maybe_null=args[1]->maybe_null || args[2]->maybe_null;
decimals= max(args[1]->decimals, args[2]->decimals);
+ unsigned_flag=args[1]->unsigned_flag && args[2]->unsigned_flag;
enum Item_result arg1_type=args[1]->result_type();
enum Item_result arg2_type=args[2]->result_type();
@@ -1558,12 +1612,20 @@ Item_func_if::fix_length_and_dec()
collation.set(&my_charset_bin); // Number
}
}
- max_length=
- (cached_result_type == DECIMAL_RESULT || cached_result_type == INT_RESULT) ?
- (max(args[1]->max_length - args[1]->decimals,
- args[2]->max_length - args[2]->decimals) + decimals +
- (unsigned_flag ? 0 : 1) ) :
- max(args[1]->max_length, args[2]->max_length);
+
+ if ((cached_result_type == DECIMAL_RESULT )
+ || (cached_result_type == INT_RESULT))
+ {
+ int len1= args[1]->max_length - args[1]->decimals
+ - (args[1]->unsigned_flag ? 0 : 1);
+
+ int len2= args[2]->max_length - args[2]->decimals
+ - (args[2]->unsigned_flag ? 0 : 1);
+
+ max_length=max(len1, len2) + decimals + (unsigned_flag ? 0 : 1);
+ }
+ else
+ max_length= max(args[1]->max_length, args[2]->max_length);
}
--- 1.143/sql/item_cmpfunc.h 2007-03-01 14:07:04 -07:00
+++ 1.144/sql/item_cmpfunc.h 2007-03-01 14:07:04 -07:00
@@ -101,6 +101,92 @@ public:
uint decimal_precision() const { return 1; }
};
+
+/**
+ Abstract Item class, to represent <code>X IS [NOT] (TRUE | FALSE)</code>
+ boolean predicates.
+*/
+
+class Item_func_truth : public Item_bool_func
+{
+public:
+ virtual bool val_bool();
+ virtual longlong val_int();
+ virtual void fix_length_and_dec();
+ virtual void print(String *str);
+
+protected:
+ Item_func_truth(Item *a, bool a_value, bool a_affirmative)
+ : Item_bool_func(a), value(a_value), affirmative(a_affirmative)
+ {}
+
+ ~Item_func_truth()
+ {}
+private:
+ /**
+ True for <code>X IS [NOT] TRUE</code>,
+ false for <code>X IS [NOT] FALSE</code> predicates.
+ */
+ const bool value;
+ /**
+ True for <code>X IS Y</code>, false for <code>X IS NOT
Y</code> predicates.
+ */
+ const bool affirmative;
+};
+
+
+/**
+ This Item represents a <code>X IS TRUE</code> boolean predicate.
+*/
+
+class Item_func_istrue : public Item_func_truth
+{
+public:
+ Item_func_istrue(Item *a) : Item_func_truth(a, true, true) {}
+ ~Item_func_istrue() {}
+ virtual const char* func_name() const { return "istrue"; }
+};
+
+
+/**
+ This Item represents a <code>X IS NOT TRUE</code> boolean predicate.
+*/
+
+class Item_func_isnottrue : public Item_func_truth
+{
+public:
+ Item_func_isnottrue(Item *a) : Item_func_truth(a, true, false) {}
+ ~Item_func_isnottrue() {}
+ virtual const char* func_name() const { return "isnottrue"; }
+};
+
+
+/**
+ This Item represents a <code>X IS FALSE</code> boolean predicate.
+*/
+
+class Item_func_isfalse : public Item_func_truth
+{
+public:
+ Item_func_isfalse(Item *a) : Item_func_truth(a, false, true) {}
+ ~Item_func_isfalse() {}
+ virtual const char* func_name() const { return "isfalse"; }
+};
+
+
+/**
+ This Item represents a <code>X IS NOT FALSE</code> boolean predicate.
+*/
+
+class Item_func_isnotfalse : public Item_func_truth
+{
+public:
+ Item_func_isnotfalse(Item *a) : Item_func_truth(a, false, false) {}
+ ~Item_func_isnotfalse() {}
+ virtual const char* func_name() const { return "isnotfalse"; }
+};
+
+
class Item_cache;
#define UNKNOWN ((my_bool)-1)
--- 1.367/sql/sql_base.cc 2007-03-01 14:07:04 -07:00
+++ 1.368/sql/sql_base.cc 2007-03-01 14:07:04 -07:00
@@ -1210,6 +1210,13 @@ TABLE *open_table(THD *thd, TABLE_LIST *
int4store(key + key_length, thd->server_id);
int4store(key + key_length + 4, thd->variables.pseudo_thread_id);
+ /*
+ Unless requested otherwise, try to resolve this table in the list
+ of temporary tables of this thread. In MySQL temporary tables
+ are always thread-local and "shadow" possible base tables with the
+ same name. This block implements the behaviour.
+ TODO: move this block into a separate function.
+ */
if (!table_list->skip_temporary)
{
for (table= thd->temporary_tables; table ; table=table->next)
@@ -1218,6 +1225,12 @@ TABLE *open_table(THD *thd, TABLE_LIST *
!memcmp(table->s->table_cache_key, key,
key_length + TMP_TABLE_KEY_EXTRA))
{
+ /*
+ We're trying to use the same temporary table twice in a query.
+ Right now we don't support this because a temporary table
+ is always represented by only one TABLE object in THD, and
+ it can not be cloned. Emit an error for an unsupported behaviour.
+ */
if (table->query_id == thd->query_id ||
thd->prelocked_mode && table->query_id)
{
@@ -1233,6 +1246,13 @@ TABLE *open_table(THD *thd, TABLE_LIST *
}
}
+ /*
+ The table is not temporary - if we're in pre-locked or LOCK TABLES
+ mode, let's try to find the requested table in the list of pre-opened
+ and locked tables. If the table is not there, return an error - we can't
+ open not pre-opened tables in pre-locked/LOCK TABLES mode.
+ TODO: move this block into a separate function.
+ */
if (!(flags & MYSQL_OPEN_IGNORE_LOCKED_TABLES) &&
(thd->locked_tables || thd->prelocked_mode))
{ // Using table locks
@@ -1304,7 +1324,7 @@ TABLE *open_table(THD *thd, TABLE_LIST *
goto reset;
}
/*
- is it view?
+ Is this table a view and not a base table?
(it is work around to allow to open view with locked tables,
real fix will be made after definition cache will be made)
*/
@@ -1338,8 +1358,32 @@ TABLE *open_table(THD *thd, TABLE_LIST *
DBUG_RETURN(0);
}
+ /*
+ Non pre-locked/LOCK TABLES mode, and the table is not temporary:
+ this is the normal use case.
+ Now we should:
+ - try to find the table in the table cache.
+ - if one of the discovered TABLE instances is name-locked
+ (table->s->version == 0) or some thread has started FLUSH TABLES
+ (refresh_version > table->s->version), back off -- we have to wait
+ until no one holds a name lock on the table.
+ - if there is no such TABLE in the name cache, read the table definition
+ and insert it into the cache.
+ We perform all of the above under LOCK_open which currently protects
+ the open cache (also known as table cache) and table definitions stored
+ on disk.
+ */
+
VOID(pthread_mutex_lock(&LOCK_open));
+ /*
+ If it's the first table from a list of tables used in a query,
+ remember refresh_version (the version of open_cache state).
+ If the version changes while we're opening the remaining tables,
+ we will have to back off, close all the tables opened-so-far,
+ and try to reopen them.
+ Note: refresh_version is currently changed only during FLUSH TABLES.
+ */
if (!thd->open_tables)
thd->version=refresh_version;
else if ((thd->version != refresh_version) &&
@@ -1356,12 +1400,39 @@ TABLE *open_table(THD *thd, TABLE_LIST *
if (thd->handler_tables)
mysql_ha_flush(thd, (TABLE_LIST*) NULL, MYSQL_HA_REOPEN_ON_USAGE, TRUE);
+ /*
+ Actually try to find the table in the open_cache.
+ The cache may contain several "TABLE" instances for the same
+ physical table. The instances that are currently "in use" by
+ some thread have their "in_use" member != NULL.
+ There is no good reason for having more than one entry in the
+ hash for the same physical table, except that we use this as
+ an implicit "pending locks queue" - see
+ wait_for_locked_table_names for details.
+ */
for (table= (TABLE*) hash_first(&open_cache, (byte*) key, key_length,
&state);
table && table->in_use ;
table= (TABLE*) hash_next(&open_cache, (byte*) key, key_length,
&state))
{
+ /*
+ Normally, table->s->version contains the value of
+ refresh_version from the moment when this table was
+ (re-)opened and added to the cache.
+ If since then we did (or just started) FLUSH TABLES
+ statement, refresh_version has been increased.
+ For "name-locked" TABLE instances, table->s->version is set
+ to 0 (see lock_table_name for details).
+ In case there is a pending FLUSH TABLES or a name lock, we
+ need to back off and re-start opening tables.
+ If we do not back off now, we may dead lock in case of lock
+ order mismatch with some other thread:
+ c1: name lock t1; -- sort of exclusive lock
+ c2: open t2; -- sort of shared lock
+ c1: name lock t2; -- blocks
+ c2: open t1; -- blocks
+ */
if (table->s->version != refresh_version)
{
DBUG_PRINT("note",
@@ -1375,16 +1446,35 @@ TABLE *open_table(THD *thd, TABLE_LIST *
}
/*
- There is a refresh in progress for this table
- Wait until the table is freed or the thread is killed.
+ Back off, part 1: mark the table as "unused" for the
+ purpose of name-locking by setting table->db_stat to 0. Do
+ that only for the tables in this thread that have an old
+ table->s->version (this is an optimization (?)).
+ table->db_stat == 0 signals wait_for_locked_table_names
+ that the tables in question are not used any more. See
+ table_is_used call for details.
*/
close_old_data_files(thd,thd->open_tables,0,0);
+ /*
+ Back-off part 2: try to avoid "busy waiting" on the table:
+ if the table is in use by some other thread, we suspend
+ and wait till the operation is complete: when any
+ operation that juggles with table->s->version completes,
+ it broadcasts COND_refresh condition variable.
+ */
if (table->in_use != thd)
+ {
wait_for_refresh(thd);
+ /* wait_for_refresh will unlock LOCK_open for us */
+ }
else
{
VOID(pthread_mutex_unlock(&LOCK_open));
}
+ /*
+ There is a refresh in progress for this table.
+ Signal the caller that it has to try again.
+ */
if (refresh)
*refresh=1;
DBUG_RETURN(0);
@@ -1392,6 +1482,7 @@ TABLE *open_table(THD *thd, TABLE_LIST *
}
if (table)
{
+ /* Unlink the table from "unused_tables" list. */
if (table == unused_tables)
{ // First unused
unused_tables=unused_tables->next; // Remove from link
@@ -1404,6 +1495,7 @@ TABLE *open_table(THD *thd, TABLE_LIST *
}
else
{
+ /* Insert a new TABLE instance into the open cache */
TABLE_SHARE *share;
int error;
/* Free cache if too big */
@@ -2145,6 +2237,10 @@ int open_tables(THD *thd, TABLE_LIST **s
}
}
+ /*
+ For every table in the list of tables to open, try to find or open
+ a table.
+ */
for (tables= *start; tables ;tables= tables->next_global)
{
/*
@@ -2159,6 +2255,12 @@ int open_tables(THD *thd, TABLE_LIST **s
goto process_view_routines;
continue;
}
+ /*
+ If this TABLE_LIST object is a placeholder for an information_schema
+ table, create a temporary table to represent the information_schema
+ table in the query. Do not fill it yet - will be filled during
+ execution.
+ */
if (tables->schema_table)
{
if (!mysql_schema_table(thd, thd->lex, tables))
@@ -2166,7 +2268,11 @@ int open_tables(THD *thd, TABLE_LIST **s
DBUG_RETURN(-1);
}
(*counter)++;
-
+
+ /*
+ Not a placeholder: must be a base table or a view, and the table is
+ not opened yet. Try to open the table.
+ */
if (!tables->table &&
!(tables->table= open_table(thd, tables, &new_frm_mem, &refresh, flags)))
{
@@ -2273,7 +2379,7 @@ process_view_routines:
{
/*
Serious error during reading stored routines from mysql.proc table.
- Something's wrong with the table or its contents, and an error has
+ Something is wrong with the table or its contents, and an error has
been emitted; we must abort.
*/
result= -1;
--- 1.261/sql/sql_class.cc 2007-03-01 14:07:04 -07:00
+++ 1.262/sql/sql_class.cc 2007-03-01 14:07:04 -07:00
@@ -319,6 +319,7 @@ void THD::init(void)
void THD::init_for_queries()
{
+ set_time();
ha_enable_transaction(this,TRUE);
reset_root_defaults(mem_root, variables.query_alloc_block_size,
--- 1.213/sql/sql_lex.cc 2007-03-01 14:07:04 -07:00
+++ 1.214/sql/sql_lex.cc 2007-03-01 14:07:04 -07:00
@@ -99,6 +99,16 @@ void lex_free(void)
}
+void
+st_parsing_options::reset()
+{
+ allows_variable= TRUE;
+ allows_select_into= TRUE;
+ allows_select_procedure= TRUE;
+ allows_derived= TRUE;
+}
+
+
/*
This is called before every query that is to be parsed.
Because of this, it's critical to not do too much things here.
@@ -149,6 +159,7 @@ void lex_start(THD *thd, uchar *buf,uint
lex->safe_to_cache_query= 1;
lex->time_zone_tables_used= 0;
lex->leaf_tables_insert= 0;
+ lex->parsing_options.reset();
lex->empty_field_list_on_rset= 0;
lex->select_lex.select_number= 1;
lex->next_state=MY_LEX_START;
--- 1.238/sql/sql_lex.h 2007-03-01 14:07:04 -07:00
+++ 1.239/sql/sql_lex.h 2007-03-01 14:07:04 -07:00
@@ -891,10 +891,8 @@ struct st_parsing_options
bool allows_select_procedure;
bool allows_derived;
- st_parsing_options()
- : allows_variable(TRUE), allows_select_into(TRUE),
- allows_select_procedure(TRUE), allows_derived(TRUE)
- {}
+ st_parsing_options() { reset(); }
+ void reset();
};
--- 1.605/sql/sql_parse.cc 2007-03-01 14:07:04 -07:00
+++ 1.606/sql/sql_parse.cc 2007-03-01 14:07:04 -07:00
@@ -1162,7 +1162,6 @@ pthread_handler_t handle_one_connection(
thd->version= refresh_version;
thd->proc_info= 0;
thd->command= COM_SLEEP;
- thd->set_time();
thd->init_for_queries();
if (sys_init_connect.value_length && !(sctx->master_access &
SUPER_ACL))
@@ -1178,7 +1177,6 @@ pthread_handler_t handle_one_connection(
sql_print_warning("%s", net->last_error);
}
thd->proc_info=0;
- thd->set_time();
thd->init_for_queries();
}
@@ -1312,6 +1310,7 @@ pthread_handler_t handle_bootstrap(void
mode we have only one thread.
*/
thd->query_id=next_query_id();
+ thd->set_time();
mysql_parse(thd,thd->query,length);
close_thread_tables(thd); // Free tables
if (thd->is_fatal_error)
--- 1.505/sql/sql_yacc.yy 2007-03-01 14:07:04 -07:00
+++ 1.506/sql/sql_yacc.yy 2007-03-01 14:07:04 -07:00
@@ -59,15 +59,6 @@ const LEX_STRING null_lex_str={0,0};
YYABORT; \
}
-/* Helper for parsing "IS [NOT] truth_value" */
-inline Item *is_truth_value(Item *A, bool v1, bool v2)
-{
- return new Item_func_if(create_func_ifnull(A,
- new Item_int((char *) (v2 ? "TRUE" : "FALSE"), v2, 1)),
- new Item_int((char *) (v1 ? "TRUE" : "FALSE"), v1, 1),
- new Item_int((char *) (v1 ? "FALSE" : "TRUE"),!v1, 1));
-}
-
#ifndef DBUG_OFF
#define YYDEBUG 1
#else
@@ -277,6 +268,81 @@ void case_stmt_action_end_case(LEX *lex,
lex->sphead->do_cont_backpatch();
}
+/**
+ Helper to resolve the SQL:2003 Syntax exception 1) in <in predicate>.
+ See SQL:2003, Part 2, section 8.4 <in predicate>, Note 184, page 383.
+ This function returns the proper item for the SQL expression
+ <code>left [NOT] IN ( expr )</code>
+ @param thd the current thread
+ @param left the in predicand
+ @param equal true for IN predicates, false for NOT IN predicates
+ @param expr first and only expression of the in value list
+ @return an expression representing the IN predicate.
+*/
+Item* handle_sql2003_note184_exception(THD *thd, Item* left, bool equal,
+ Item *expr)
+{
+ /*
+ Relevant references for this issue:
+ - SQL:2003, Part 2, section 8.4 <in predicate>, page 383,
+ - SQL:2003, Part 2, section 7.2 <row value expression>, page 296,
+ - SQL:2003, Part 2, section 6.3 <value expression primary>, page 174,
+ - SQL:2003, Part 2, section 7.15 <subquery>, page 370,
+ - SQL:2003 Feature F561, "Full value expressions".
+
+ The exception in SQL:2003 Note 184 means:
+ Item_singlerow_subselect, which corresponds to a <scalar subquery>,
+ should be re-interpreted as an Item_in_subselect, which corresponds
+ to a <table subquery> when used inside an <in predicate>.
+
+ Our reading of Note 184 is reccursive, so that all:
+ - IN (( <subquery> ))
+ - IN ((( <subquery> )))
+ - IN '('^N <subquery> ')'^N
+ - etc
+ should be interpreted as a <table subquery>, no matter how deep in the
+ expression the <subquery> is.
+ */
+
+ Item *result;
+
+ DBUG_ENTER("handle_sql2003_note184_exception");
+
+ if (expr->type() == Item::SUBSELECT_ITEM)
+ {
+ Item_subselect *expr2 = (Item_subselect*) expr;
+
+ if (expr2->substype() == Item_subselect::SINGLEROW_SUBS)
+ {
+ Item_singlerow_subselect *expr3 = (Item_singlerow_subselect*) expr2;
+ st_select_lex *subselect;
+
+ /*
+ Implement the mandated change, by altering the semantic tree:
+ left IN Item_singlerow_subselect(subselect)
+ is modified to
+ left IN (subselect)
+ which is represented as
+ Item_in_subselect(left, subselect)
+ */
+ subselect= expr3->invalidate_and_restore_select_lex();
+ result= new (thd->mem_root) Item_in_subselect(left, subselect);
+
+ if (! equal)
+ result = negate_expression(thd, result);
+
+ DBUG_RETURN(result);
+ }
+ }
+
+ if (equal)
+ result= new (thd->mem_root) Item_func_eq(left, expr);
+ else
+ result= new (thd->mem_root) Item_func_ne(left, expr);
+
+ DBUG_RETURN(result);
+}
+
%}
%union {
int num;
@@ -4393,13 +4459,18 @@ bool_factor:
| bool_test ;
bool_test:
- bool_pri IS TRUE_SYM { $$= is_truth_value($1,1,0); }
- | bool_pri IS not TRUE_SYM { $$= is_truth_value($1,0,0); }
- | bool_pri IS FALSE_SYM { $$= is_truth_value($1,0,1); }
- | bool_pri IS not FALSE_SYM { $$= is_truth_value($1,1,1); }
- | bool_pri IS UNKNOWN_SYM { $$= new Item_func_isnull($1); }
- | bool_pri IS not UNKNOWN_SYM { $$= new Item_func_isnotnull($1); }
- | bool_pri ;
+ bool_pri IS TRUE_SYM
+ { $$= new (YYTHD->mem_root) Item_func_istrue($1); }
+ | bool_pri IS not TRUE_SYM
+ { $$= new (YYTHD->mem_root) Item_func_isnottrue($1); }
+ | bool_pri IS FALSE_SYM
+ { $$= new (YYTHD->mem_root) Item_func_isfalse($1); }
+ | bool_pri IS not FALSE_SYM
+ { $$= new (YYTHD->mem_root) Item_func_isnotfalse($1); }
+ | bool_pri IS UNKNOWN_SYM { $$= new Item_func_isnull($1); }
+ | bool_pri IS not UNKNOWN_SYM { $$= new Item_func_isnotnull($1); }
+ | bool_pri
+ ;
bool_pri:
bool_pri IS NULL_SYM { $$= new Item_func_isnull($1); }
@@ -4412,31 +4483,37 @@ bool_pri:
| predicate ;
predicate:
- bit_expr IN_SYM '(' subselect ')'
- { $$= new Item_in_subselect($1, $4); }
- | bit_expr not IN_SYM '(' subselect ')'
- { $$= negate_expression(YYTHD, new Item_in_subselect($1, $5)); }
+ bit_expr IN_SYM '(' subselect ')'
+ {
+ $$= new (YYTHD->mem_root) Item_in_subselect($1, $4);
+ }
+ | bit_expr not IN_SYM '(' subselect ')'
+ {
+ THD *thd= YYTHD;
+ Item *item= new (thd->mem_root) Item_in_subselect($1, $5);
+ $$= negate_expression(thd, item);
+ }
| bit_expr IN_SYM '(' expr ')'
{
- $$= new Item_func_eq($1, $4);
+ $$= handle_sql2003_note184_exception(YYTHD, $1, true, $4);
}
- | bit_expr IN_SYM '(' expr ',' expr_list ')'
- {
- $6->push_front($4);
- $6->push_front($1);
- $$= new Item_func_in(*$6);
+ | bit_expr IN_SYM '(' expr ',' expr_list ')'
+ {
+ $6->push_front($4);
+ $6->push_front($1);
+ $$= new (YYTHD->mem_root) Item_func_in(*$6);
}
| bit_expr not IN_SYM '(' expr ')'
{
- $$= new Item_func_ne($1, $5);
+ $$= handle_sql2003_note184_exception(YYTHD, $1, false, $5);
}
- | bit_expr not IN_SYM '(' expr ',' expr_list ')'
+ | bit_expr not IN_SYM '(' expr ',' expr_list ')'
{
- $7->push_front($5);
- $7->push_front($1);
- Item_func_in *item = new Item_func_in(*$7);
- item->negate();
- $$= item;
+ $7->push_front($5);
+ $7->push_front($1);
+ Item_func_in *item = new (YYTHD->mem_root) Item_func_in(*$7);
+ item->negate();
+ $$= item;
}
| bit_expr BETWEEN_SYM bit_expr AND_SYM predicate
{ $$= new Item_func_between($1,$3,$5); }
--- 1.152/sql/item_subselect.cc 2007-03-01 14:07:04 -07:00
+++ 1.153/sql/item_subselect.cc 2007-03-01 14:07:04 -07:00
@@ -242,11 +242,11 @@ bool Item_subselect::const_item() const
return const_item_cache;
}
-Item *Item_subselect::get_tmp_table_item(THD *thd)
+Item *Item_subselect::get_tmp_table_item(THD *thd_arg)
{
if (!with_sum_func && !const_item())
return new Item_field(result_field);
- return copy_or_same(thd);
+ return copy_or_same(thd_arg);
}
void Item_subselect::update_used_tables()
@@ -581,13 +581,13 @@ void Item_exists_subselect::print(String
}
-bool Item_in_subselect::test_limit(SELECT_LEX_UNIT *unit)
+bool Item_in_subselect::test_limit(SELECT_LEX_UNIT *unit_arg)
{
- if (unit->fake_select_lex &&
- unit->fake_select_lex->test_limit())
+ if (unit_arg->fake_select_lex &&
+ unit_arg->fake_select_lex->test_limit())
return(1);
- SELECT_LEX *sl= unit->first_select();
+ SELECT_LEX *sl= unit_arg->first_select();
for (; sl; sl= sl->next_select())
{
if (sl->test_limit())
@@ -859,7 +859,6 @@ Item_subselect::trans_res
Item_in_subselect::single_value_transformer(JOIN *join,
Comp_creator *func)
{
- Item_subselect::trans_res result= RES_ERROR;
SELECT_LEX *select_lex= join->select_lex;
DBUG_ENTER("Item_in_subselect::single_value_transformer");
@@ -957,7 +956,7 @@ Item_in_subselect::single_value_transfor
if (!substitution)
{
/* We're invoked for the 1st (or the only) SELECT in the subquery UNION */
- SELECT_LEX_UNIT *unit= select_lex->master_unit();
+ SELECT_LEX_UNIT *master_unit= select_lex->master_unit();
substitution= optimizer;
SELECT_LEX *current= thd->lex->current_select, *up;
@@ -980,7 +979,7 @@ Item_in_subselect::single_value_transfor
(char *)"<no matter>",
(char *)in_left_expr_name);
- unit->uncacheable|= UNCACHEABLE_DEPENDENT;
+ master_unit->uncacheable|= UNCACHEABLE_DEPENDENT;
}
if (!abort_on_null && left_expr->maybe_null && !pushed_cond_guards)
{
@@ -1179,7 +1178,7 @@ Item_in_subselect::row_value_transformer
if (!substitution)
{
//first call for this unit
- SELECT_LEX_UNIT *unit= select_lex->master_unit();
+ SELECT_LEX_UNIT *master_unit= select_lex->master_unit();
substitution= optimizer;
SELECT_LEX *current= thd->lex->current_select, *up;
@@ -1195,7 +1194,7 @@ Item_in_subselect::row_value_transformer
optimizer->keep_top_level_cache();
thd->lex->current_select= current;
- unit->uncacheable|= UNCACHEABLE_DEPENDENT;
+ master_unit->uncacheable|= UNCACHEABLE_DEPENDENT;
if (!abort_on_null && left_expr->maybe_null &&
!pushed_cond_guards)
{
@@ -1228,7 +1227,7 @@ Item_in_subselect::row_value_transformer
{
DBUG_ASSERT(left_expr->fixed &&
select_lex->ref_pointer_array[i]->fixed);
if (select_lex->ref_pointer_array[i]->
- check_cols(left_expr->el(i)->cols()))
+ check_cols(left_expr->element_index(i)->cols()))
DBUG_RETURN(RES_ERROR);
Item *item_eq=
new Item_func_eq(new
@@ -1251,7 +1250,7 @@ Item_in_subselect::row_value_transformer
(char *)"<list ref>")
);
Item *col_item= new Item_cond_or(item_eq, item_isnull);
- if (!abort_on_null && left_expr->el(i)->maybe_null)
+ if (!abort_on_null && left_expr->element_index(i)->maybe_null)
{
if (!(col_item= new Item_func_trig_cond(col_item, get_cond_guard(i))))
DBUG_RETURN(RES_ERROR);
@@ -1265,7 +1264,7 @@ Item_in_subselect::row_value_transformer
ref_pointer_array + i,
(char *)"<no matter>",
(char *)"<list ref>"));
- if (!abort_on_null && left_expr->el(i)->maybe_null)
+ if (!abort_on_null && left_expr->element_index(i)->maybe_null)
{
if (!(item_nnull_test=
new Item_func_trig_cond(item_nnull_test, get_cond_guard(i))))
@@ -1302,7 +1301,7 @@ Item_in_subselect::row_value_transformer
Item *item, *item_isnull;
DBUG_ASSERT(left_expr->fixed &&
select_lex->ref_pointer_array[i]->fixed);
if (select_lex->ref_pointer_array[i]->
- check_cols(left_expr->el(i)->cols()))
+ check_cols(left_expr->element_index(i)->cols()))
DBUG_RETURN(RES_ERROR);
item=
new Item_func_eq(new
@@ -1342,7 +1341,7 @@ Item_in_subselect::row_value_transformer
TODO: why we create the above for cases where the right part
cant be NULL?
*/
- if (left_expr->el(i)->maybe_null)
+ if (left_expr->element_index(i)->maybe_null)
{
if (!(item= new Item_func_trig_cond(item, get_cond_guard(i))))
DBUG_RETURN(RES_ERROR);
@@ -1504,14 +1503,14 @@ void Item_in_subselect::print(String *st
}
-bool Item_in_subselect::fix_fields(THD *thd, Item **ref)
+bool Item_in_subselect::fix_fields(THD *thd_arg, Item **ref)
{
bool result = 0;
- if(thd->lex->view_prepare_mode && left_expr &&
!left_expr->fixed)
- result = left_expr->fix_fields(thd, &left_expr);
+ if (thd_arg->lex->view_prepare_mode && left_expr &&
!left_expr->fixed)
+ result = left_expr->fix_fields(thd_arg, &left_expr);
- return result || Item_subselect::fix_fields(thd, ref);
+ return result || Item_subselect::fix_fields(thd_arg, ref);
}
@@ -1550,13 +1549,13 @@ void subselect_engine::set_thd(THD *thd_
subselect_single_select_engine::
subselect_single_select_engine(st_select_lex *select,
- select_subselect *result,
- Item_subselect *item)
- :subselect_engine(item, result),
+ select_subselect *result_arg,
+ Item_subselect *item_arg)
+ :subselect_engine(item_arg, result_arg),
prepared(0), optimized(0), executed(0),
select_lex(select), join(0)
{
- select_lex->master_unit()->item= item;
+ select_lex->master_unit()->item= item_arg;
}
@@ -1793,7 +1792,6 @@ int subselect_single_select_engine::exec
if (!executed)
{
item->reset_value_registration();
- bool have_changed_access= FALSE;
JOIN_TAB *changed_tabs[MAX_TABLES];
JOIN_TAB **last_changed_tab= changed_tabs;
if (item->have_guarded_conds())
--- 1.87/sql/item_subselect.h 2007-03-01 14:07:04 -07:00
+++ 1.88/sql/item_subselect.h 2007-03-01 14:07:04 -07:00
@@ -169,7 +169,7 @@ public:
void fix_length_and_dec();
uint cols();
- Item* el(uint i) { return my_reinterpret_cast(Item*)(row[i]); }
+ Item* element_index(uint i) { return my_reinterpret_cast(Item*)(row[i]); }
Item** addr(uint i) { return (Item**)row + i; }
bool check_cols(uint c);
bool null_inside();
@@ -551,10 +551,10 @@ class subselect_indexsubquery_engine: pu
public:
// constructor can assign THD because it will be called after JOIN::prepare
- subselect_indexsubquery_engine(THD *thd, st_join_table *tab_arg,
+ subselect_indexsubquery_engine(THD *thd_arg, st_join_table *tab_arg,
Item_subselect *subs, Item *where,
Item *having_arg, bool chk_null)
- :subselect_uniquesubquery_engine(thd, tab_arg, subs, where),
+ :subselect_uniquesubquery_engine(thd_arg, tab_arg, subs, where),
check_null(chk_null),
having(having_arg)
{}
--- 1.197/mysql-test/mysql-test-run.pl 2007-03-01 14:07:04 -07:00
+++ 1.198/mysql-test/mysql-test-run.pl 2007-03-01 14:07:04 -07:00
@@ -3012,6 +3012,7 @@ language = $path_language
character-sets-dir = $path_charsetsdir
basedir = $path_my_basedir
server_id = $server_id
+shutdown-delay = 10
skip-stack-trace
skip-innodb
skip-ndbcluster
--- 1.43/mysql-test/t/disabled.def 2007-03-01 14:07:04 -07:00
+++ 1.44/mysql-test/t/disabled.def 2007-03-01 14:07:04 -07:00
@@ -12,4 +12,3 @@
ndb_load : Bug#17233
user_limits : Bug#23921 random failure of user_limits.test
-
--- 1.21/server-tools/instance-manager/mysqlmanager.cc 2007-03-01 14:07:04 -07:00
+++ 1.22/server-tools/instance-manager/mysqlmanager.cc 2007-03-01 14:07:04 -07:00
@@ -198,7 +198,7 @@ static void init_environment(char *progn
MY_INIT(progname);
log_init();
umask(0117);
- srand(time(0));
+ srand((uint) time(0));
}
--- 1.234/sql/sp_head.cc 2007-03-01 14:07:04 -07:00
+++ 1.235/sql/sp_head.cc 2007-03-01 14:07:04 -07:00
@@ -36,6 +36,7 @@ Item_result
sp_map_result_type(enum enum_field_types type)
{
switch (type) {
+ case MYSQL_TYPE_BIT:
case MYSQL_TYPE_TINY:
case MYSQL_TYPE_SHORT:
case MYSQL_TYPE_LONG:
@@ -58,6 +59,7 @@ Item::Type
sp_map_item_type(enum enum_field_types type)
{
switch (type) {
+ case MYSQL_TYPE_BIT:
case MYSQL_TYPE_TINY:
case MYSQL_TYPE_SHORT:
case MYSQL_TYPE_LONG:
--- 1.35/server-tools/instance-manager/instance_options.cc 2007-03-01 14:07:04 -07:00
+++ 1.36/server-tools/instance-manager/instance_options.cc 2007-03-01 14:07:04 -07:00
@@ -508,7 +508,7 @@ int Instance_options::add_option(const c
{"--pid-file=", 11, &mysqld_pid_file, SAVE_WHOLE_AND_ADD},
{"--mysqld-path=", 14, &mysqld_path, SAVE_VALUE},
{"--nonguarded", 9, &nonguarded, SAVE_WHOLE},
- {"--shutdown_delay", 9, &shutdown_delay, SAVE_VALUE},
+ {"--shutdown-delay", 9, &shutdown_delay, SAVE_VALUE},
{NULL, 0, NULL, 0}
};
struct selected_options_st *selected_options;
| Thread |
|---|
| • bk commit into 5.0 tree (malff:1.2433) | marc.alff | 1 Mar |