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nexedi
MariaDB
Commits
dee842e0
Commit
dee842e0
authored
Oct 16, 2007
by
cmiller@zippy.cornsilk.net
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Plain Diff
Doxygenized comments.
parent
2d615a61
Changes
10
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10 changed files
with
2158 additions
and
2163 deletions
+2158
-2163
sql/sql_base.cc
sql/sql_base.cc
+15
-15
sql/sql_cache.cc
sql/sql_cache.cc
+11
-11
sql/sql_class.cc
sql/sql_class.cc
+1
-1
sql/sql_cursor.cc
sql/sql_cursor.cc
+41
-37
sql/sql_parse.cc
sql/sql_parse.cc
+383
-429
sql/sql_prepare.cc
sql/sql_prepare.cc
+288
-312
sql/sql_select.cc
sql/sql_select.cc
+1236
-1176
sql/sql_trigger.cc
sql/sql_trigger.cc
+181
-180
sql/sql_update.cc
sql/sql_update.cc
+1
-1
sql/sql_view.cc
sql/sql_view.cc
+1
-1
No files found.
sql/sql_base.cc
View file @
dee842e0
...
...
@@ -1817,7 +1817,7 @@ static void relink_unused(TABLE *table)
/**
@brief
Remove all instances of table from thread's open list and
Remove all instances of table from thread's open list and
table cache.
@param thd Thread context
...
...
@@ -1867,7 +1867,7 @@ void unlink_open_table(THD *thd, TABLE *find, bool unlock)
/**
@brief
Auxiliary routine which closes and drops open table.
Auxiliary routine which closes and drops open table.
@param thd Thread handle
@param table TABLE object for table to be dropped
...
...
@@ -2039,7 +2039,7 @@ bool reopen_name_locked_table(THD* thd, TABLE_LIST* table_list, bool link_in)
/**
@brief
Create and insert into table cache placeholder for table
Create and insert into table cache placeholder for table
which will prevent its opening (or creation) (a.k.a lock
table name).
...
...
@@ -2090,7 +2090,7 @@ TABLE *table_cache_insert_placeholder(THD *thd, const char *key,
/**
@brief
Obtain an exclusive name lock on the table if it is not cached
Obtain an exclusive name lock on the table if it is not cached
in the table cache.
@param thd Thread context
...
...
@@ -2142,7 +2142,7 @@ bool lock_table_name_if_not_cached(THD *thd, const char *db,
/**
@brief
Check that table exists in table definition cache, on disk
Check that table exists in table definition cache, on disk
or in some storage engine.
@param thd Thread context
...
...
@@ -2815,7 +2815,7 @@ bool reopen_table(TABLE *table)
/**
@brief
Close all instances of a table open by this thread and replace
Close all instances of a table open by this thread and replace
them with exclusive name-locks.
@param thd Thread context
...
...
@@ -2867,7 +2867,7 @@ void close_data_files_and_morph_locks(THD *thd, const char *db,
/**
@brief
Reopen all tables with closed data files.
Reopen all tables with closed data files.
@param thd Thread context
@param get_locks Should we get locks after reopening tables ?
...
...
@@ -2957,7 +2957,7 @@ bool reopen_tables(THD *thd,bool get_locks,bool in_refresh)
/**
@brief
Close handlers for tables in list, but leave the TABLE structure
Close handlers for tables in list, but leave the TABLE structure
intact so that we can re-open these quickly.
@param thd Thread context
...
...
sql/sql_cache.cc
View file @
dee842e0
...
...
@@ -1524,7 +1524,7 @@ void Query_cache::invalidate(THD *thd, const char *key, uint32 key_length,
/**
@brief
Synchronize the thread with any flushing operations.
Synchronize the thread with any flushing operations.
This helper function is called whenever a thread needs to operate on the
query cache structure (example: during invalidation). If a table flush is in
...
...
@@ -1565,7 +1565,7 @@ void Query_cache::wait_while_table_flush_is_in_progress(bool *interrupt)
/**
@brief Remove all cached queries that uses the given database
Remove all cached queries that uses the given database.
*/
void
Query_cache
::
invalidate
(
char
*
db
)
...
...
@@ -1675,7 +1675,7 @@ void Query_cache::flush()
/**
@brief
Rearrange the memory blocks and join result in cache in 1 block (if
Rearrange the memory blocks and join result in cache in 1 block (if
result length > join_limit)
@param[in] join_limit If the minimum length of a result block to be joined.
...
...
@@ -1946,7 +1946,7 @@ void Query_cache::make_disabled()
/**
@class Query_cache
@brief
Free all resources allocated by the cache.
Free all resources allocated by the cache.
This function frees all resources allocated by the cache. You
have to call init_cache() before using the cache again. This function
...
...
@@ -1970,7 +1970,7 @@ void Query_cache::free_cache()
/**
@brief
Flush the cache.
Flush the cache.
This function will flush cache contents. It assumes we have
'structure_guard_mutex' locked. The function sets the m_cache_status flag and
...
...
@@ -2516,7 +2516,7 @@ Query_cache::invalidate_table_internal(THD *thd, uchar *key, uint32 key_length)
}
/**
@brief
Invalidate a linked list of query cache blocks.
Invalidate a linked list of query cache blocks.
Each block tries to aquire a block level lock before
free_query is a called. This function will in turn affect
...
...
@@ -2684,7 +2684,7 @@ my_bool Query_cache::register_all_tables(Query_cache_block *block,
/**
@brief
Insert used table name into the cache.
Insert used table name into the cache.
@return Error status
@retval FALSE On error
...
...
@@ -3413,7 +3413,7 @@ my_bool Query_cache::ask_handler_allowance(THD *thd,
/**
@brief
Rearrange all memory blocks so that free memory joins at the
Rearrange all memory blocks so that free memory joins at the
'bottom' of the allocated memory block containing all cache data.
@see Query_cache::pack(ulong join_limit, uint iteration_limit)
*/
...
...
@@ -4028,7 +4028,7 @@ void Query_cache::tables_dump()
/**
@brief
Checks integrity of the various linked lists
Checks integrity of the various linked lists
@return Error status code
@retval FALSE Query cache is operational.
...
...
sql/sql_class.cc
View file @
dee842e0
...
...
@@ -934,7 +934,7 @@ void THD::cleanup_after_query()
/**
Create a LEX_STRING in this connection
Create a LEX_STRING in this connection
.
@param lex_str pointer to LEX_STRING object to be initialized
@param str initializer to be copied into lex_str
...
...
sql/sql_cursor.cc
View file @
dee842e0
...
...
@@ -24,9 +24,9 @@
Declarations.
****************************************************************************/
/*
/*
*
Sensitive_cursor -- a sensitive non-materialized server side
cursor An instance of this class cursor has its own runtime
cursor
.
An instance of this class cursor has its own runtime
state -- list of used items and memory root for runtime memory,
open and locked tables, change list for the changes of the
parsed tree. This state is freed when the cursor is closed.
...
...
@@ -69,7 +69,7 @@ class Sensitive_cursor: public Server_side_cursor
};
/*
/*
*
Materialized_cursor -- an insensitive materialized server-side
cursor. The result set of this cursor is saved in a temporary
table at open. The cursor itself is simply an interface for the
...
...
@@ -96,7 +96,7 @@ class Materialized_cursor: public Server_side_cursor
};
/*
/*
*
Select_materialize -- a mediator between a cursor query and the
protocol. In case we were not able to open a non-materialzed
cursor, it creates an internal temporary HEAP table, and insert
...
...
@@ -107,7 +107,7 @@ class Materialized_cursor: public Server_side_cursor
class
Select_materialize
:
public
select_union
{
select_result
*
result
;
/* the result object of the caller (PS or SP) */
select_result
*
result
;
/*
*<
the result object of the caller (PS or SP) */
public:
Select_materialize
(
select_result
*
result_arg
)
:
result
(
result_arg
)
{}
virtual
bool
send_fields
(
List
<
Item
>
&
list
,
uint
flags
);
...
...
@@ -116,21 +116,20 @@ class Select_materialize: public select_union
/**************************************************************************/
/*
/*
*
Attempt to open a materialized or non-materialized cursor.
SYNOPSIS
mysql_open_cursor()
thd thread handle
flags [in] create a materialized cursor or not
result [in] result class of the caller used as a destination
@param thd thread handle
@param[in] flags create a materialized cursor or not
@param[in] result result class of the caller used as a destination
for the rows fetched from the cursor
pcursor [out]
a pointer to store a pointer to cursor in
@param[out] pcursor
a pointer to store a pointer to cursor in
RETURN VALUE
@retval
0 the query has been successfully executed; in this
case pcursor may or may not contain
a pointer to an open cursor.
@retval
non-zero an error, 'pcursor' has been left intact.
*/
...
...
@@ -279,6 +278,14 @@ Sensitive_cursor::Sensitive_cursor(THD *thd, select_result *result_arg)
}
/**
Save THD state into cursor.
@todo
- XXX: thd->locked_tables is not changed.
- What problems can we have with it if cursor is open?
- TODO: must be fixed because of the prelocked mode.
*/
void
Sensitive_cursor
::
post_open
(
THD
*
thd
)
{
...
...
@@ -334,6 +341,10 @@ Sensitive_cursor::post_open(THD *thd)
}
/**
bzero cursor state in THD.
*/
void
Sensitive_cursor
::
reset_thd
(
THD
*
thd
)
{
...
...
@@ -393,20 +404,13 @@ Sensitive_cursor::open(JOIN *join_arg)
}
/*
SYNOPSIS
Sensitive_cursor::fetch()
num_rows fetch up to this number of rows (maybe less)
DESCRIPTION
Fetch next num_rows rows from the cursor and send them to the client
/**
Fetch next num_rows rows from the cursor and send them to the client.
Precondition:
Sensitive_cursor is open
-
Sensitive_cursor is open
RETURN VALUES:
none, this function will send OK to the clinet or set an error
message in THD
@param num_rows fetch up to this number of rows (maybe less)
*/
void
...
...
@@ -478,6 +482,11 @@ Sensitive_cursor::fetch(ulong num_rows)
}
/**
@todo
Another hack: we need to set THD state as if in a fetch to be
able to call stmt close.
*/
void
Sensitive_cursor
::
close
()
{
...
...
@@ -579,10 +588,9 @@ int Materialized_cursor::open(JOIN *join __attribute__((unused)))
}
/*
/*
*
Fetch up to the given number of rows from a materialized cursor.
DESCRIPTION
Precondition: the cursor is open.
If the cursor points after the last row, the fetch will automatically
...
...
@@ -590,10 +598,6 @@ int Materialized_cursor::open(JOIN *join __attribute__((unused)))
with SERVER_STATUS_LAST_ROW_SENT). This is an extra round trip
and probably should be improved to return
SERVER_STATUS_LAST_ROW_SENT along with the last row.
RETURN VALUE
none, in case of success the row is sent to the client, otherwise
an error message is set in THD
*/
void
Materialized_cursor
::
fetch
(
ulong
num_rows
)
...
...
sql/sql_parse.cc
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dee842e0
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sql/sql_prepare.cc
View file @
dee842e0
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sql/sql_select.cc
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dee842e0
This diff is collapsed.
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sql/sql_trigger.cc
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dee842e0
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Click to expand it.
sql/sql_update.cc
View file @
dee842e0
...
...
@@ -84,7 +84,7 @@ static bool check_fields(THD *thd, List<Item> &items)
/**
@brief
Re-read record if more columns are needed for error message.
Re-read record if more columns are needed for error message.
If we got a duplicate key error, we want to write an error
message containing the value of the duplicate key. If we do not have
...
...
sql/sql_view.cc
View file @
dee842e0
...
...
@@ -206,7 +206,7 @@ fill_defined_view_parts (THD *thd, TABLE_LIST *view)
/**
@brief
Creating/altering VIEW procedure
Creating/altering VIEW procedure
@param thd thread handler
@param views views to create
...
...
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