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Cherry picking patch for BUG#37051

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This commit is contained in:
He Zhenxing
2008-08-26 18:01:49 +08:00
parent dd47146dfa
commit 78e1f5d523
10 changed files with 503 additions and 30 deletions
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41
sql/log_event.h
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@ -237,12 +237,15 @@ struct sql_ex_info
packet (i.e. a query) sent from client to master;
First, an auxiliary log_event status vars estimation:
*/
#define MAX_SIZE_LOG_EVENT_STATUS (4 /* flags2 */ + \
8 /* sql mode */ + \
1 + 1 + 255 /* catalog */ + \
4 /* autoinc */ + \
6 /* charset */ + \
MAX_TIME_ZONE_NAME_LENGTH)
#define MAX_SIZE_LOG_EVENT_STATUS (1 + 4 /* type, flags2 */ + \
1 + 8 /* type, sql_mode */ + \
1 + 1 + 255 /* type, length, catalog */ + \
1 + 4 /* type, auto_increment */ + \
1 + 6 /* type, charset */ + \
1 + 1 + 255 /* type, length, time_zone */ + \
1 + 2 /* type, lc_time_names_number */ + \
1 + 2 /* type, charset_database_number */ + \
1 + 8 /* type, table_map_for_update */)
#define MAX_LOG_EVENT_HEADER ( /* in order of Query_log_event::write */ \
LOG_EVENT_HEADER_LEN + /* write_header */ \
QUERY_HEADER_LEN + /* write_data */ \
@ -306,6 +309,8 @@ struct sql_ex_info
#define Q_LC_TIME_NAMES_CODE 7
#define Q_CHARSET_DATABASE_CODE 8
#define Q_TABLE_MAP_FOR_UPDATE_CODE 9
/* Intvar event post-header */
#define I_TYPE_OFFSET 0
@ -1455,6 +1460,22 @@ protected:
This field is written if it is not 0.
</td>
</tr>
<tr>
<td>table_map_for_update</td>
<td>Q_TABLE_MAP_FOR_UPDATE_CODE == 9</td>
<td>8 byte integer</td>
<td>The value of the table map that is to be updated by the
multi-table update query statement. Every bit of this variable
represents a table, and is set to 1 if the corresponding table is
to be updated by this statement.
The value of this variable is set when executing a multi-table update
statement and used by slave to apply filter rules without opening
all the tables on slave. This is required because some tables may
not exist on slave because of the filter rules.
</td>
</tr>
</table>
@subsection Query_log_event_notes_on_previous_versions Notes on Previous Versions
@ -1471,6 +1492,9 @@ protected:
* See Q_CHARSET_DATABASE_CODE in the table above.
* When adding new status vars, please don't forget to update the
MAX_SIZE_LOG_EVENT_STATUS, and update function code_name
*/
class Query_log_event: public Log_event
{
@ -1548,6 +1572,11 @@ public:
const char *time_zone_str;
uint lc_time_names_number; /* 0 means en_US */
uint charset_database_number;
/*
map for tables that will be updated for a multi-table update query
statement, for other query statements, this will be zero.
*/
ulonglong table_map_for_update;
#ifndef MYSQL_CLIENT