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Bug#27480 (Extend CREATE TEMPORARY TABLES privilege

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to allow temp table operations) -- prerequisite patch #3.

Rename open_temporary_table() to open_table_uncached().
open_temporary_table() will be introduced in following patches
to open temporary tables for a statement.
This commit is contained in:
Alexander Nozdrin
2010-08-31 14:03:36 +04:00
parent 53e566a42a
commit d2159e37f2
4 changed files with 38 additions and 30 deletions
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40
sql/sql_base.cc
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@ -5696,35 +5696,37 @@ void close_tables_for_reopen(THD *thd, TABLE_LIST **tables,
}
/*
Open a single table without table caching and don't set it in open_list
/**
Open a single table without table caching and don't add it to
THD::open_tables. Depending on the 'add_to_temporary_tables_list' value,
the opened TABLE instance will be addded to THD::temporary_tables list.
SYNPOSIS
open_temporary_table()
thd Thread object
path Path (without .frm)
db database
table_name Table name
link_in_list 1 if table should be linked into thd->temporary_tables
@param thd Thread context.
@param path Path (without .frm)
@param db Database name.
@param table_name Table name.
@param add_to_temporary_tables_list Specifies if the opened TABLE
instance should be linked into
THD::temporary_tables list.
NOTES:
Used by alter_table to open a temporary table and when creating
a temporary table with CREATE TEMPORARY ...
@note This function is used:
- by alter_table() to open a temporary table;
- when creating a temporary table with CREATE TEMPORARY TABLE.
RETURN
0 Error
# TABLE object
@return TABLE instance for opened table.
@retval NULL on error.
*/
TABLE *open_temporary_table(THD *thd, const char *path, const char *db,
const char *table_name, bool link_in_list)
TABLE *open_table_uncached(THD *thd, const char *path, const char *db,
const char *table_name,
bool add_to_temporary_tables_list)
{
TABLE *tmp_table;
TABLE_SHARE *share;
char cache_key[MAX_DBKEY_LENGTH], *saved_cache_key, *tmp_path;
uint key_length;
TABLE_LIST table_list;
DBUG_ENTER("open_temporary_table");
DBUG_ENTER("open_table_uncached");
DBUG_PRINT("enter",
("table: '%s'.'%s' path: '%s' server_id: %u "
"pseudo_thread_id: %lu",
@ -5767,7 +5769,7 @@ TABLE *open_temporary_table(THD *thd, const char *path, const char *db,
share->tmp_table= (tmp_table->file->has_transactions() ?
TRANSACTIONAL_TMP_TABLE : NON_TRANSACTIONAL_TMP_TABLE);
if (link_in_list)
if (add_to_temporary_tables_list)
{
/* growing temp list at the head */
tmp_table->next= thd->temporary_tables;