WL 2826: Error handling of ALTER TABLE for partitioning

Error handling
Crash if any error after reaching beyond certain point in
ALTER TABLE processing
parent aecb0046
......@@ -584,7 +584,7 @@ int ha_partition::drop_partitions(const char *path)
uint no_subparts= m_part_info->no_subparts;
uint i= 0;
uint name_variant;
int error= 1;
int error= 0;
bool reorged_parts= (m_reorged_parts > 0);
bool temp_partitions= (m_part_info->temp_partitions.elements > 0);
DBUG_ENTER("ha_partition::drop_partitions");
......@@ -632,7 +632,7 @@ int ha_partition::drop_partitions(const char *path)
else
file= m_file[part];
DBUG_PRINT("info", ("Drop subpartition %s", part_name_buff));
error= file->delete_table((const char *) part_name_buff);
error+= file->delete_table((const char *) part_name_buff);
} while (++j < no_subparts);
}
else
......@@ -645,7 +645,7 @@ int ha_partition::drop_partitions(const char *path)
else
file= m_file[i];
DBUG_PRINT("info", ("Drop partition %s", part_name_buff));
error= file->delete_table((const char *) part_name_buff);
error+= file->delete_table((const char *) part_name_buff);
}
if (part_elem->part_state == PART_IS_CHANGED)
part_elem->part_state= PART_NORMAL;
......@@ -687,7 +687,7 @@ int ha_partition::rename_partitions(const char *path)
uint no_subparts= m_part_info->no_subparts;
uint i= 0;
uint j= 0;
int error= 1;
int error= 0;
uint temp_partitions= m_part_info->temp_partitions.elements;
handler *file;
partition_element *part_elem, *sub_elem;
......@@ -715,8 +715,8 @@ int ha_partition::rename_partitions(const char *path)
NORMAL_PART_NAME);
DBUG_PRINT("info", ("Rename subpartition from %s to %s",
norm_name_buff, part_name_buff));
error= file->rename_table((const char *) norm_name_buff,
(const char *) part_name_buff);
error+= file->rename_table((const char *) norm_name_buff,
(const char *) part_name_buff);
} while (++j < no_subparts);
}
else
......@@ -730,8 +730,8 @@ int ha_partition::rename_partitions(const char *path)
TRUE);
DBUG_PRINT("info", ("Rename partition from %s to %s",
norm_name_buff, part_name_buff));
error= file->rename_table((const char *) norm_name_buff,
(const char *) part_name_buff);
error+= file->rename_table((const char *) norm_name_buff,
(const char *) part_name_buff);
}
} while (++i < temp_partitions);
}
......@@ -765,8 +765,8 @@ int ha_partition::rename_partitions(const char *path)
RENAMED_PART_NAME);
DBUG_PRINT("info", ("Rename subpartition from %s to %s",
norm_name_buff, part_name_buff));
error= file->rename_table((const char *) norm_name_buff,
(const char *) part_name_buff);
error+= file->rename_table((const char *) norm_name_buff,
(const char *) part_name_buff);
}
file= m_new_file[part];
create_subpartition_name(part_name_buff, path,
......@@ -775,8 +775,8 @@ int ha_partition::rename_partitions(const char *path)
TEMP_PART_NAME);
DBUG_PRINT("info", ("Rename subpartition from %s to %s",
part_name_buff, norm_name_buff));
error= file->rename_table((const char *) part_name_buff,
(const char *) norm_name_buff);
error+= file->rename_table((const char *) part_name_buff,
(const char *) norm_name_buff);
} while (++j < no_subparts);
}
else
......@@ -792,8 +792,8 @@ int ha_partition::rename_partitions(const char *path)
TRUE);
DBUG_PRINT("info", ("Rename partition from %s to %s",
norm_name_buff, part_name_buff));
error= file->rename_table((const char *) norm_name_buff,
(const char *) part_name_buff);
error+= file->rename_table((const char *) norm_name_buff,
(const char *) part_name_buff);
}
file= m_new_file[i];
create_partition_name(part_name_buff, path,
......@@ -801,7 +801,7 @@ int ha_partition::rename_partitions(const char *path)
TRUE);
DBUG_PRINT("info", ("Rename partition from %s to %s",
part_name_buff, norm_name_buff));
error= file->rename_table((const char *) part_name_buff,
error+= file->rename_table((const char *) part_name_buff,
(const char *) norm_name_buff);
}
}
......
......@@ -5749,12 +5749,14 @@ uint fast_alter_partition_table(THD *thd, TABLE *table,
We insert Error injections at all places where it could be interesting
to test if recovery is properly done.
*/
bool not_completed= TRUE;
if (write_log_drop_shadow_frm(lpt) ||
ERROR_INJECT_CRASH("crash_drop_partition_1") ||
mysql_write_frm(lpt, WFRM_WRITE_SHADOW) ||
ERROR_INJECT_CRASH("crash_drop_partition_2") ||
write_log_drop_partition(lpt) ||
ERROR_INJECT_CRASH("crash_drop_partition_3") ||
(not_completed= FALSE) ||
abort_and_upgrade_lock(lpt) ||
((!thd->lex->no_write_to_binlog) &&
(write_bin_log(thd, FALSE,
......@@ -5763,7 +5765,7 @@ uint fast_alter_partition_table(THD *thd, TABLE *table,
mysql_write_frm(lpt, WFRM_INSTALL_SHADOW) ||
(close_open_tables_and_downgrade(lpt), FALSE) ||
ERROR_INJECT_CRASH("crash_drop_partition_5") ||
table->file->extra(HA_EXTRA_PREPARE_FOR_DELETE) ||
(table->file->extra(HA_EXTRA_PREPARE_FOR_DELETE), FALSE) ||
ERROR_INJECT_CRASH("crash_drop_partition_6") ||
mysql_drop_partitions(lpt) ||
ERROR_INJECT_CRASH("crash_drop_partition_7") ||
......@@ -5771,6 +5773,8 @@ uint fast_alter_partition_table(THD *thd, TABLE *table,
ERROR_INJECT_CRASH("crash_drop_partition_8") ||
(mysql_wait_completed_table(lpt, table), FALSE))
{
if (!not_completed)
abort();
fast_alter_partition_error_handler(lpt);
DBUG_RETURN(TRUE);
}
......@@ -5805,6 +5809,7 @@ uint fast_alter_partition_table(THD *thd, TABLE *table,
8) Remove entries from table log
9) Complete query
*/
bool not_completed= TRUE;
if (write_log_add_change_partition(lpt) ||
ERROR_INJECT_CRASH("crash_add_partition_1") ||
mysql_write_frm(lpt, WFRM_WRITE_SHADOW) ||
......@@ -5817,6 +5822,7 @@ uint fast_alter_partition_table(THD *thd, TABLE *table,
thd->query, thd->query_length), FALSE)) ||
ERROR_INJECT_CRASH("crash_add_partition_4") ||
write_log_rename_frm(lpt) ||
(not_completed= FALSE) ||
ERROR_INJECT_CRASH("crash_add_partition_5") ||
mysql_write_frm(lpt, WFRM_INSTALL_SHADOW) ||
ERROR_INJECT_CRASH("crash_add_partition_6") ||
......@@ -5824,6 +5830,8 @@ uint fast_alter_partition_table(THD *thd, TABLE *table,
write_log_completed(lpt) ||
ERROR_INJECT_CRASH("crash_add_partition_7"))
{
if (!not_completed)
abort();
fast_alter_partition_error_handler(lpt);
DBUG_RETURN(TRUE);
}
......@@ -5883,7 +5891,7 @@ uint fast_alter_partition_table(THD *thd, TABLE *table,
13)Wait until all accesses using the old frm file has completed
14)Complete query
*/
bool not_completed= TRUE;
if (write_log_add_change_partition(lpt) ||
ERROR_INJECT_CRASH("crash_change_partition_1") ||
mysql_write_frm(lpt, WFRM_WRITE_SHADOW) ||
......@@ -5892,14 +5900,15 @@ uint fast_alter_partition_table(THD *thd, TABLE *table,
ERROR_INJECT_CRASH("crash_change_partition_3") ||
write_log_final_change_partition(lpt) ||
ERROR_INJECT_CRASH("crash_change_partition_4") ||
(not_completed= FALSE) ||
abort_and_upgrade_lock(lpt) ||
table->file->extra(HA_EXTRA_PREPARE_FOR_DELETE) ||
ERROR_INJECT_CRASH("crash_change_partition_5") ||
mysql_rename_partitions(lpt) ||
ERROR_INJECT_CRASH("crash_change_partition_6") ||
((!thd->lex->no_write_to_binlog) &&
(write_bin_log(thd, FALSE,
thd->query, thd->query_length), FALSE)) ||
ERROR_INJECT_CRASH("crash_change_partition_5") ||
(table->file->extra(HA_EXTRA_PREPARE_FOR_DELETE), FALSE) ||
ERROR_INJECT_CRASH("crash_change_partition_6") ||
mysql_rename_partitions(lpt) ||
ERROR_INJECT_CRASH("crash_change_partition_7") ||
mysql_write_frm(lpt, WFRM_INSTALL_SHADOW) ||
ERROR_INJECT_CRASH("crash_change_partition_8") ||
......@@ -5911,8 +5920,10 @@ uint fast_alter_partition_table(THD *thd, TABLE *table,
ERROR_INJECT_CRASH("crash_change_partition_11") ||
(mysql_wait_completed_table(lpt, table), FALSE))
{
fast_alter_partition_error_handler(lpt);
DBUG_RETURN(TRUE);
if (!not_completed)
abort();
fast_alter_partition_error_handler(lpt);
DBUG_RETURN(TRUE);
}
}
/*
......
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