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mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00

auto-merge mysql-trunk-bugfixing (local) --> mysql-trunk-bugfixing

This commit is contained in:
Alfranio Correia
2010-03-31 14:30:24 +01:00
15 changed files with 227 additions and 115 deletions

View File

@ -3589,13 +3589,33 @@ int THD::decide_logging_format(TABLE_LIST *tables)
capabilities, and one with the intersection of all the engine
capabilities.
*/
handler::Table_flags flags_write_some_set= 0;
handler::Table_flags flags_some_set= 0;
handler::Table_flags flags_all_set=
handler::Table_flags flags_write_all_set=
HA_BINLOG_ROW_CAPABLE | HA_BINLOG_STMT_CAPABLE;
my_bool multi_engine= FALSE;
my_bool mixed_engine= FALSE;
my_bool all_trans_engines= TRUE;
/*
If different types of engines are about to be updated.
For example: Innodb and Falcon; Innodb and MyIsam.
*/
my_bool multi_write_engine= FALSE;
/*
If different types of engines are about to be accessed
and any of them is about to be updated. For example:
Innodb and Falcon; Innodb and MyIsam.
*/
my_bool multi_access_engine= FALSE;
/*
If non-transactional and transactional engines are about
to be accessed and any of them is about to be updated.
For example: Innodb and MyIsam.
*/
my_bool trans_non_trans_access_engines= FALSE;
/*
If all engines that are about to be updated are
transactional.
*/
my_bool all_trans_write_engines= TRUE;
TABLE* prev_write_table= NULL;
TABLE* prev_access_table= NULL;
@ -3621,32 +3641,50 @@ int THD::decide_logging_format(TABLE_LIST *tables)
continue;
if (table->table->s->table_category == TABLE_CATEGORY_PERFORMANCE)
lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_SYSTEM_TABLE);
handler::Table_flags const flags= table->table->file->ha_table_flags();
DBUG_PRINT("info", ("table: %s; ha_table_flags: 0x%llx",
table->table_name, flags));
if (table->lock_type >= TL_WRITE_ALLOW_WRITE)
{
handler::Table_flags const flags= table->table->file->ha_table_flags();
DBUG_PRINT("info", ("table: %s; ha_table_flags: 0x%llx",
table->table_name, flags));
if (prev_write_table && prev_write_table->file->ht !=
table->table->file->ht)
multi_engine= TRUE;
all_trans_engines= all_trans_engines &&
table->table->file->has_transactions();
multi_write_engine= TRUE;
all_trans_write_engines= all_trans_write_engines &&
table->table->file->has_transactions();
prev_write_table= table->table;
flags_all_set &= flags;
flags_some_set |= flags;
flags_write_all_set &= flags;
flags_write_some_set |= flags;
}
flags_some_set |= flags;
if (prev_access_table && prev_access_table->file->ht != table->table->file->ht)
mixed_engine= mixed_engine || (prev_access_table->file->has_transactions() !=
table->table->file->has_transactions());
{
multi_access_engine= TRUE;
trans_non_trans_access_engines= trans_non_trans_access_engines ||
(prev_access_table->file->has_transactions() !=
table->table->file->has_transactions());
}
prev_access_table= table->table;
}
DBUG_PRINT("info", ("flags_write_all_set: 0x%llx", flags_write_all_set));
DBUG_PRINT("info", ("flags_write_some_set: 0x%llx", flags_write_some_set));
DBUG_PRINT("info", ("flags_some_set: 0x%llx", flags_some_set));
DBUG_PRINT("info", ("multi_write_engine: %d", multi_write_engine));
DBUG_PRINT("info", ("multi_access_engine: %d", multi_access_engine));
DBUG_PRINT("info", ("trans_non_trans_access_engines: %d",
trans_non_trans_access_engines));
int error= 0;
int unsafe_flags;
/*
Set the statement as unsafe if:
. it is a mixed statement, i.e. access transactional and non-transactional
tables, and updates at least one;
or
tables, and update any of them;
or:
. an early statement updated a transactional table;
. and, the current statement updates a non-transactional table.
@ -3710,32 +3748,26 @@ int THD::decide_logging_format(TABLE_LIST *tables)
isolation level but if we have pure repeatable read or serializable the
lock history on the slave will be different from the master.
*/
if (mixed_engine ||
(trans_has_updated_trans_table(this) && !all_trans_engines))
if (!trans_non_trans_access_engines)
lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_MIXED_STATEMENT);
else if (trans_has_updated_trans_table(this) && !all_trans_write_engines)
lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_NONTRANS_AFTER_TRANS);
DBUG_PRINT("info", ("flags_all_set: 0x%llx", flags_all_set));
DBUG_PRINT("info", ("flags_some_set: 0x%llx", flags_some_set));
DBUG_PRINT("info", ("multi_engine: %d", multi_engine));
int error= 0;
int unsafe_flags;
/*
If more than one engine is involved in the statement and at
least one is doing it's own logging (is *self-logging*), the
statement cannot be logged atomically, so we generate an error
rather than allowing the binlog to become corrupt.
*/
if (multi_engine &&
(flags_some_set & HA_HAS_OWN_BINLOGGING))
{
if (multi_write_engine &&
(flags_write_some_set & HA_HAS_OWN_BINLOGGING))
my_error((error= ER_BINLOG_MULTIPLE_ENGINES_AND_SELF_LOGGING_ENGINE),
MYF(0));
}
else if (multi_access_engine && flags_some_set & HA_HAS_OWN_BINLOGGING)
lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_MULTIPLE_ENGINES_AND_SELF_LOGGING_ENGINE);
/* both statement-only and row-only engines involved */
if ((flags_all_set & (HA_BINLOG_STMT_CAPABLE | HA_BINLOG_ROW_CAPABLE)) == 0)
if ((flags_write_all_set & (HA_BINLOG_STMT_CAPABLE | HA_BINLOG_ROW_CAPABLE)) == 0)
{
/*
1. Error: Binary logging impossible since both row-incapable
@ -3744,7 +3776,7 @@ int THD::decide_logging_format(TABLE_LIST *tables)
my_error((error= ER_BINLOG_ROW_ENGINE_AND_STMT_ENGINE), MYF(0));
}
/* statement-only engines involved */
else if ((flags_all_set & HA_BINLOG_ROW_CAPABLE) == 0)
else if ((flags_write_all_set & HA_BINLOG_ROW_CAPABLE) == 0)
{
if (lex->is_stmt_row_injection())
{
@ -3792,7 +3824,7 @@ int THD::decide_logging_format(TABLE_LIST *tables)
*/
my_error((error= ER_BINLOG_ROW_INJECTION_AND_STMT_MODE), MYF(0));
}
else if ((flags_all_set & HA_BINLOG_STMT_CAPABLE) == 0)
else if ((flags_write_all_set & HA_BINLOG_STMT_CAPABLE) == 0)
{
/*
5. Error: Cannot modify table that uses a storage engine
@ -3820,7 +3852,7 @@ int THD::decide_logging_format(TABLE_LIST *tables)
else
{
if (lex->is_stmt_unsafe() || lex->is_stmt_row_injection()
|| (flags_all_set & HA_BINLOG_STMT_CAPABLE) == 0)
|| (flags_write_all_set & HA_BINLOG_STMT_CAPABLE) == 0)
{
/* log in row format! */
set_current_stmt_binlog_format_row_if_mixed();