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Merge mysql-next-mr --> mysql-trunk-signal

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This commit is contained in:
Marc Alff
2009-09-17 03:20:11 -06:00
parent ea0d4516ed c65bfe4564
commit 071634bb35
168 changed files with 6871 additions and 909 deletions
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91
sql/sql_table.cc
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@ -72,7 +72,7 @@ static void wait_for_kill_signal(THD *thd)
@brief Helper function for explain_filename
*/
static char* add_identifier(char *to_p, const char * end_p,
const char* name, uint name_len, int errcode)
const char* name, uint name_len, bool add_quotes)
{
uint res;
uint errors;
@ -92,18 +92,44 @@ static char* add_identifier(char *to_p, const char * end_p,
res= strconvert(&my_charset_filename, conv_name, system_charset_info,
conv_string, FN_REFLEN, &errors);
if (!res || errors)
{
DBUG_PRINT("error", ("strconvert of '%s' failed with %u (errors: %u)", conv_name, res, errors));
conv_name= name;
}
else
{
DBUG_PRINT("info", ("conv '%s' -> '%s'", conv_name, conv_string));
conv_name= conv_string;
}
if (errcode)
to_p+= my_snprintf(to_p, end_p - to_p, ER(errcode), conv_name);
if (add_quotes && (end_p - to_p > 2))
{
*(to_p++)= '`';
while (*conv_name && (end_p - to_p - 1) > 0)
{
uint length= my_mbcharlen(system_charset_info, *conv_name);
if (!length)
length= 1;
if (length == 1 && *conv_name == '`')
{
if ((end_p - to_p) < 3)
break;
*(to_p++)= '`';
*(to_p++)= *(conv_name++);
}
else if (((long) length) < (end_p - to_p))
{
to_p= strnmov(to_p, conv_name, length);
conv_name+= length;
}
else
break; /* string already filled */
}
to_p= strnmov(to_p, "`", end_p - to_p);
}
else
to_p+= my_snprintf(to_p, end_p - to_p, "`%s`", conv_name);
return to_p;
to_p= strnmov(to_p, conv_name, end_p - to_p);
DBUG_RETURN(to_p);
}
@ -135,6 +161,8 @@ static char* add_identifier(char *to_p, const char * end_p,
[,[ Temporary| Renamed] Partition `p`
[, Subpartition `sp`]] *|
(| is really a /, and it is all in one line)
EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING ->
same as above but no quotes are added.
@retval Length of returned string
*/
@ -245,28 +273,39 @@ uint explain_filename(const char *from,
part_name_len-= 5;
}
}
else
table_name_len= strlen(table_name);
if (db_name)
{
if (explain_mode == EXPLAIN_ALL_VERBOSE)
{
to_p= add_identifier(to_p, end_p, db_name, db_name_len,
ER_DATABASE_NAME);
to_p= strnmov(to_p, ER(ER_DATABASE_NAME), end_p - to_p);
*(to_p++)= ' ';
to_p= add_identifier(to_p, end_p, db_name, db_name_len, 1);
to_p= strnmov(to_p, ", ", end_p - to_p);
}
else
{
to_p= add_identifier(to_p, end_p, db_name, db_name_len, 0);
to_p= add_identifier(to_p, end_p, db_name, db_name_len,
(explain_mode !=
EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING));
to_p= strnmov(to_p, ".", end_p - to_p);
}
}
if (explain_mode == EXPLAIN_ALL_VERBOSE)
to_p= add_identifier(to_p, end_p, table_name, table_name_len,
ER_TABLE_NAME);
{
to_p= strnmov(to_p, ER(ER_TABLE_NAME), end_p - to_p);
*(to_p++)= ' ';
to_p= add_identifier(to_p, end_p, table_name, table_name_len, 1);
}
else
to_p= add_identifier(to_p, end_p, table_name, table_name_len, 0);
to_p= add_identifier(to_p, end_p, table_name, table_name_len,
(explain_mode !=
EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING));
if (part_name)
{
if (explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT)
if (explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT ||
explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING)
to_p= strnmov(to_p, " /* ", end_p - to_p);
else if (explain_mode == EXPLAIN_PARTITIONS_VERBOSE)
to_p= strnmov(to_p, " ", end_p - to_p);
@ -280,15 +319,22 @@ uint explain_filename(const char *from,
to_p= strnmov(to_p, ER(ER_RENAMED_NAME), end_p - to_p);
to_p= strnmov(to_p, " ", end_p - to_p);
}
to_p= strnmov(to_p, ER(ER_PARTITION_NAME), end_p - to_p);
*(to_p++)= ' ';
to_p= add_identifier(to_p, end_p, part_name, part_name_len,
ER_PARTITION_NAME);
(explain_mode !=
EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING));
if (subpart_name)
{
to_p= strnmov(to_p, ", ", end_p - to_p);
to_p= strnmov(to_p, ER(ER_SUBPARTITION_NAME), end_p - to_p);
*(to_p++)= ' ';
to_p= add_identifier(to_p, end_p, subpart_name, subpart_name_len,
ER_SUBPARTITION_NAME);
(explain_mode !=
EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING));
}
if (explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT)
if (explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT ||
explain_mode == EXPLAIN_PARTITIONS_AS_COMMENT_NO_QUOTING)
to_p= strnmov(to_p, " */", end_p - to_p);
}
DBUG_PRINT("exit", ("to '%s'", to));
@ -1726,6 +1772,7 @@ bool mysql_rm_table(THD *thd,TABLE_LIST *tables, my_bool if_exists,
my_bool drop_temporary)
{
bool error= FALSE, need_start_waiters= FALSE;
Drop_table_error_handler err_handler(thd->get_internal_handler());
DBUG_ENTER("mysql_rm_table");
/* mark for close and remove all cached entries */
@ -1746,7 +1793,10 @@ bool mysql_rm_table(THD *thd,TABLE_LIST *tables, my_bool if_exists,
LOCK_open during wait_if_global_read_lock(), other threads could not
close their tables. This would make a pretty deadlock.
*/
thd->push_internal_handler(&err_handler);
error= mysql_rm_table_part2(thd, tables, if_exists, drop_temporary, 0, 0);
thd->pop_internal_handler();
if (need_start_waiters)
start_waiting_global_read_lock(thd);
@ -1848,9 +1898,6 @@ int mysql_rm_table_part2(THD *thd, TABLE_LIST *tables, bool if_exists,
DBUG_RETURN(1);
}
/* Don't give warnings for not found errors, as we already generate notes */
thd->no_warnings_for_error= 1;
for (table= tables; table; table= table->next_local)
{
char *db=table->db;
@ -2099,7 +2146,6 @@ int mysql_rm_table_part2(THD *thd, TABLE_LIST *tables, bool if_exists,
err_with_placeholders:
unlock_table_names(thd, tables, (TABLE_LIST*) 0);
pthread_mutex_unlock(&LOCK_open);
thd->no_warnings_for_error= 0;
DBUG_RETURN(error);
}
@ -5171,6 +5217,7 @@ bool mysql_create_like_table(THD* thd, TABLE_LIST* table, TABLE_LIST* src_table,
char tmp_path[FN_REFLEN];
#endif
char ts_name[FN_LEN + 1];
myf flags= MY_DONT_OVERWRITE_FILE;
DBUG_ENTER("mysql_create_like_table");
@ -5227,8 +5274,12 @@ bool mysql_create_like_table(THD* thd, TABLE_LIST* table, TABLE_LIST* src_table,
DBUG_EXECUTE_IF("sleep_create_like_before_copy", my_sleep(6000000););
if (opt_sync_frm && !(create_info->options & HA_LEX_CREATE_TMP_TABLE))
flags|= MY_SYNC;
/*
Create a new table by copying from source table
and sync the new table if the flag MY_SYNC is set
Altough exclusive name-lock on target table protects us from concurrent
DML and DDL operations on it we still want to wrap .FRM creation and call
@ -5249,7 +5300,7 @@ bool mysql_create_like_table(THD* thd, TABLE_LIST* table, TABLE_LIST* src_table,
goto err;
}
}
else if (my_copy(src_path, dst_path, MYF(MY_DONT_OVERWRITE_FILE)))
else if (my_copy(src_path, dst_path, flags))
{
if (my_errno == ENOENT)
my_error(ER_BAD_DB_ERROR,MYF(0),db);