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Desperate attempt to push part of prepared statements cleanup which was

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reviewed in Saint-Petersbourg (including post-review fixes).
This commit is contained in:
konstantin@oak.local
2004-03-02 22:39:50 +03:00
parent 0a27eef814
commit 8cc8b0ea5c
11 changed files with 437 additions and 395 deletions
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28
sql/sql_class.h
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@ -434,15 +434,6 @@ public:
*/
ulong id;
/*
Id of current query. Statement can be reused to execute several queries
query_id is global in context of the whole MySQL server.
ID is automatically generated from mutex-protected counter.
It's used in handler code for various purposes: to check which columns
from table are necessary for this select, to check if it's necessary to
update auto-updatable fields (like auto_increment and timestamp).
*/
ulong query_id;
/*
- if set_query_id=1, we set field->query_id for all fields. In that case
field list can not contain duplicates.
@ -461,11 +452,6 @@ public:
See item_sum.cc for details.
*/
bool allow_sum_func;
/*
Type of current query: COM_PREPARE, COM_QUERY, etc. Set from
first byte of the packet in do_command()
*/
enum enum_server_command command;
LEX *lex; // parse tree descriptor
/*
@ -676,6 +662,11 @@ public:
uint dbug_sentry; // watch out for memory corruption
#endif
struct st_my_thread_var *mysys_var;
/*
Type of current query: COM_PREPARE, COM_QUERY, etc. Set from
first byte of the packet in do_command()
*/
enum enum_server_command command;
uint32 server_id;
uint32 file_id; // for LOAD DATA INFILE
/*
@ -751,6 +742,15 @@ public:
List <MYSQL_ERROR> warn_list;
uint warn_count[(uint) MYSQL_ERROR::WARN_LEVEL_END];
uint total_warn_count;
/*
Id of current query. Statement can be reused to execute several queries
query_id is global in context of the whole MySQL server.
ID is automatically generated from mutex-protected counter.
It's used in handler code for various purposes: to check which columns
from table are necessary for this select, to check if it's necessary to
update auto-updatable fields (like auto_increment and timestamp).
*/
ulong query_id;
ulong warn_id, version, options, thread_id, col_access;
/* Statement id is thread-wide. This counter is used to generate ids */