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Merge dl145k.mysql.com:/data0/mkindahl/bkroot/mysql-5.1-new-rpl

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into  dl145k.mysql.com:/data0/mkindahl/bk/MERGE/mysql-5.1-merge


include/my_sys.h:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
mysql-test/r/rpl_row_create_table.result:
  Auto merged
mysql-test/t/disabled.def:
  Auto merged
mysql-test/t/rpl_row_create_table.test:
  Auto merged
mysys/my_malloc.c:
  Auto merged
server-tools/instance-manager/parse.h:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/log.cc:
  Auto merged
sql/log_event.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/set_var.h:
  Auto merged
sql/sp.cc:
  Auto merged
sql/sp_head.cc:
  Auto merged
sql/sp_head.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_lex.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_update.cc:
  Auto merged
sql/sql_view.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
mysys/safemalloc.c:
  Merge of mysql-5.1-new-rpl into mysql-5.1
sql/ha_federated.cc:
  d
  Merge of mysql-5.1-new-rpl into mysql-5.1
sql/set_var.cc:
  Merge of mysql-5.1-new-rpl with mysql-5.1
sql/slave.cc:
  Merge of mysql-5.1-new-rpl into mysql-5.1
sql/sql_class.h:
  Merge of mysql-5.1-new-rpl into mysql-5.1
This commit is contained in:
unknown
2006-07-11 12:17:19 +02:00
parent a6edf110bc e8f1a99a7d
commit c22a898199
65 changed files with 3605 additions and 1540 deletions
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243
sql/sql_base.cc
View File

@ -49,6 +49,8 @@ static bool open_new_frm(THD *thd, TABLE_SHARE *share, const char *alias,
static void close_old_data_files(THD *thd, TABLE *table, bool abort_locks,
bool send_refresh);
static bool reopen_table(TABLE *table);
static bool
has_two_write_locked_tables_with_auto_increment(TABLE_LIST *tables);
extern "C" byte *table_cache_key(const byte *record,uint *length,
@ -1179,135 +1181,134 @@ static inline uint tmpkeyval(THD *thd, TABLE *table)
void close_temporary_tables(THD *thd)
{
TABLE *next, *prev_table, *table;
char *query= 0, *end;
uint query_buf_size, max_names_len;
bool found_user_tables;
TABLE *table;
if (!thd->temporary_tables)
return;
LINT_INIT(end);
query_buf_size= 50; // Enough for DROP ... TABLE IF EXISTS
/*
insertion sort of temp tables by pseudo_thread_id to build ordered list
if (!mysql_bin_log.is_open() || thd->current_stmt_binlog_row_based)
{
TABLE *next;
for (table= thd->temporary_tables; table; table= next)
{
next=table->next;
close_temporary(table, 1, 1);
}
thd->temporary_tables= 0;
return;
}
TABLE *next,
*prev_table /* TODO: 5.1 maintaines prev link in temporary_tables
double-linked list so we could fix it. But it is not necessary
at this time when the list is being destroyed */;
bool was_quote_show= true; /* to assume thd->options has OPTION_QUOTE_SHOW_CREATE */
// Better add "if exists", in case a RESET MASTER has been done
const char stub[]= "DROP /*!40005 TEMPORARY */ TABLE IF EXISTS ";
uint stub_len= sizeof(stub) - 1;
char buf[256];
memcpy(buf, stub, stub_len);
String s_query= String(buf, sizeof(buf), system_charset_info);
bool found_user_tables= false;
LINT_INIT(next);
/*
insertion sort of temp tables by pseudo_thread_id to build ordered list
of sublists of equal pseudo_thread_id
*/
for (prev_table= thd->temporary_tables,
table= prev_table->next,
found_user_tables= (prev_table->s->table_name.str[0] != '#');
for (prev_table= thd->temporary_tables, table= prev_table->next;
table;
prev_table= table, table= table->next)
{
TABLE *prev_sorted /* same as for prev_table */,
*sorted;
/*
table not created directly by the user is moved to the tail.
Fixme/todo: nothing (I checked the manual) prevents user to create temp
with `#'
*/
if (table->s->table_name.str[0] == '#')
continue;
else
TABLE *prev_sorted /* same as for prev_table */, *sorted;
if (is_user_table(table))
{
found_user_tables = 1;
}
for (prev_sorted= NULL, sorted= thd->temporary_tables; sorted != table;
prev_sorted= sorted, sorted= sorted->next)
{
if (sorted->s->table_name.str[0] == '#' || tmpkeyval(thd, sorted) > tmpkeyval(thd, table))
if (!found_user_tables)
found_user_tables= true;
for (prev_sorted= NULL, sorted= thd->temporary_tables; sorted != table;
prev_sorted= sorted, sorted= sorted->next)
{
/* move into the sorted part of the list from the unsorted */
prev_table->next= table->next;
table->next= sorted;
if (prev_sorted)
if (!is_user_table(sorted) ||
tmpkeyval(thd, sorted) > tmpkeyval(thd, table))
{
prev_sorted->next= table;
/* move into the sorted part of the list from the unsorted */
prev_table->next= table->next;
table->next= sorted;
if (prev_sorted)
{
prev_sorted->next= table;
}
else
{
thd->temporary_tables= table;
}
table= prev_table;
break;
}
else
{
thd->temporary_tables= table;
}
table= prev_table;
break;
}
}
}
/*
calc query_buf_size as max per sublists, one sublist per pseudo thread id.
Also stop at first occurence of `#'-named table that starts
all implicitly created temp tables
*/
for (max_names_len= 0, table=thd->temporary_tables;
table && table->s->table_name.str[0] != '#';
table=table->next)
{
uint tmp_names_len;
for (tmp_names_len= table->s->table_cache_key.length + 1;
table->next && table->s->table_name.str[0] != '#' &&
tmpkeyval(thd, table) == tmpkeyval(thd, table->next);
table=table->next)
{
/*
We are going to add 4 ` around the db/table names, so 1 might not look
enough; indeed it is enough, because table->s->table_cache_key.length is
greater (by 8, because of server_id and thread_id) than db||table.
*/
tmp_names_len += table->next->s->table_cache_key.length + 1;
}
if (tmp_names_len > max_names_len) max_names_len= tmp_names_len;
}
/* allocate */
if (found_user_tables && mysql_bin_log.is_open() &&
!thd->current_stmt_binlog_row_based &&
(query = alloc_root(thd->mem_root, query_buf_size+= max_names_len)))
// Better add "if exists", in case a RESET MASTER has been done
end= strmov(query, "DROP /*!40005 TEMPORARY */ TABLE IF EXISTS ");
/* We always quote db,table names though it is slight overkill */
if (found_user_tables &&
!(was_quote_show= (thd->options & OPTION_QUOTE_SHOW_CREATE)))
{
thd->options |= OPTION_QUOTE_SHOW_CREATE;
}
/* scan sorted tmps to generate sequence of DROP */
for (table=thd->temporary_tables; table; table= next)
for (table= thd->temporary_tables; table; table= next)
{
if (query // we might be out of memory, but this is not fatal
&& table->s->table_name.str[0] != '#')
if (is_user_table(table))
{
char *end_cur;
/* Set pseudo_thread_id to be that of the processed table */
thd->variables.pseudo_thread_id= tmpkeyval(thd, table);
/* Loop forward through all tables within the sublist of
common pseudo_thread_id to create single DROP query */
for (end_cur= end;
table && table->s->table_name.str[0] != '#' &&
for (s_query.length(stub_len);
table && is_user_table(table) &&
tmpkeyval(thd, table) == thd->variables.pseudo_thread_id;
table= next)
{
end_cur= strxmov(end_cur, "`", table->s->db.str, "`.`",
table->s->table_name.str, "`,", NullS);
/*
We are going to add 4 ` around the db/table names and possible more
due to special characters in the names
*/
append_identifier(thd, &s_query, table->s->db.str, strlen(table->s->db.str));
s_query.q_append('.');
append_identifier(thd, &s_query, table->s->table_name.str,
strlen(table->s->table_name.str));
s_query.q_append(',');
next= table->next;
close_temporary(table, 1, 1);
}
thd->clear_error();
/* The -1 is to remove last ',' */
Query_log_event qinfo(thd, query, (ulong)(end_cur - query) - 1, 0, FALSE);
CHARSET_INFO *cs_save= thd->variables.character_set_client;
thd->variables.character_set_client= system_charset_info;
Query_log_event qinfo(thd, s_query.ptr(),
s_query.length() - 1 /* to remove trailing ',' */,
0, FALSE);
thd->variables.character_set_client= cs_save;
/*
Imagine the thread had created a temp table, then was doing a SELECT,
and the SELECT was killed. Then it's not clever to mark the statement
above as "killed", because it's not really a statement updating data,
and there are 99.99% chances it will succeed on slave. If a real update
(one updating a persistent table) was killed on the master, then this
real update will be logged with error_code=killed, rightfully causing
the slave to stop.
Imagine the thread had created a temp table, then was doing a SELECT, and
the SELECT was killed. Then it's not clever to mark the statement above as
"killed", because it's not really a statement updating data, and there
are 99.99% chances it will succeed on slave.
If a real update (one updating a persistent table) was killed on the
master, then this real update will be logged with error_code=killed,
rightfully causing the slave to stop.
*/
qinfo.error_code= 0;
mysql_bin_log.write(&qinfo);
}
else
else
{
next= table->next;
close_temporary(table, 1, 1);
}
}
if (!was_quote_show)
thd->options &= ~OPTION_QUOTE_SHOW_CREATE; /* restore option */
thd->temporary_tables=0;
}
@ -3317,6 +3318,14 @@ int lock_tables(THD *thd, TABLE_LIST *tables, uint count, bool *need_reopen)
*need_reopen= FALSE;
#ifdef HAVE_ROW_BASED_REPLICATION
/*
CREATE ... SELECT UUID() locks no tables, we have to test here.
*/
if (thd->lex->binlog_row_based_if_mixed)
thd->set_current_stmt_binlog_row_based_if_mixed();
#endif /*HAVE_ROW_BASED_REPLICATION*/
if (!tables)
DBUG_RETURN(0);
@ -3347,6 +3356,19 @@ int lock_tables(THD *thd, TABLE_LIST *tables, uint count, bool *need_reopen)
{
thd->in_lock_tables=1;
thd->options|= OPTION_TABLE_LOCK;
#ifdef HAVE_ROW_BASED_REPLICATION
/*
If we have >= 2 different tables to update with auto_inc columns,
statement-based binlogging won't work. We can solve this problem in
mixed mode by switching to row-based binlogging:
*/
if (thd->variables.binlog_format == BINLOG_FORMAT_MIXED &&
has_two_write_locked_tables_with_auto_increment(tables))
{
thd->lex->binlog_row_based_if_mixed= TRUE;
thd->set_current_stmt_binlog_row_based_if_mixed();
}
#endif
}
if (! (thd->lock= mysql_lock_tables(thd, start, (uint) (ptr - start),
@ -6479,3 +6501,46 @@ void mysql_wait_completed_table(ALTER_PARTITION_PARAM_TYPE *lpt, TABLE *my_table
DBUG_VOID_RETURN;
}
/*
Tells if two (or more) tables have auto_increment columns and we want to
lock those tables with a write lock.
SYNOPSIS
has_two_write_locked_tables_with_auto_increment
tables Table list
NOTES:
Call this function only when you have established the list of all tables
which you'll want to update (including stored functions, triggers, views
inside your statement).
RETURN
0 No
1 Yes
*/
static bool
has_two_write_locked_tables_with_auto_increment(TABLE_LIST *tables)
{
char *first_table_name= NULL, *first_db;
for (TABLE_LIST *table= tables; table; table= table->next_global)
{
/* we must do preliminary checks as table->table may be NULL */
if (!table->placeholder() && !table->schema_table &&
table->table->found_next_number_field &&
(table->lock_type >= TL_WRITE_ALLOW_WRITE))
{
if (first_table_name == NULL)
{
first_table_name= table->table_name;
first_db= table->db;
DBUG_ASSERT(first_db);
}
else if (strcmp(first_db, table->db) ||
strcmp(first_table_name, table->table_name))
return 1;
}
}
return 0;
}