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Commit 127fbad1 authored by unknown's avatar unknown
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WL 2826: Error handling of ALTER TABLE for partitioning 

New function to set exec_log_entry
Moving code outside lock of table log
Fixing some initialisations of list reference to avoid
releasing wrong parts


sql/sql_partition.cc:
  New function to set exec_log_entry
  Moving code outside lock of table log
  Fixing some initialisations of list reference to avoid
  releasing wrong parts
sql/sql_table.cc:
  Initialisation of write_header needed
parent c6a6cfbd
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Showing with 47 additions and 26 deletions
sql/sql_partition.cc
View file @ 127fbad1
......@@ -5267,6 +5267,26 @@ write_log_dropped_partitions(ALTER_PARTITION_PARAM_TYPE *lpt,
}
/*
Set execute log entry in table log for this partitioned table
SYNOPSIS
set_part_info_exec_log_entry()
part_info Partition info object
exec_log_entry Log entry
RETURN VALUES
NONE
*/
static
void
set_part_info_exec_log_entry(partition_info *part_info,
TABLE_LOG_MEMORY_ENTRY *exec_log_entry)
{
part_info->exec_log_entry= exec_log_entry;
exec_log_entry->next_active_log_entry= NULL;
}
/*
Write the log entry to ensure that the shadow frm file is removed at
crash.
......@@ -5294,11 +5314,11 @@ write_log_drop_shadow_frm(ALTER_PARTITION_PARAM_TYPE *lpt)
char shadow_path[FN_LEN];
DBUG_ENTER("write_log_drop_shadow_frm");
build_table_filename(shadow_path, sizeof(shadow_path), lpt->db,
lpt->table_name, "#");
lock_global_table_log();
do
{
build_table_filename(shadow_path, sizeof(shadow_path), lpt->db,
lpt->table_name, "#");
if (write_log_rename_delete_frm(lpt, 0UL, NULL,
(const char*)shadow_path, FALSE))
break;
......@@ -5306,13 +5326,13 @@ write_log_drop_shadow_frm(ALTER_PARTITION_PARAM_TYPE *lpt)
if (write_execute_table_log_entry(log_entry->entry_pos,
FALSE, &exec_log_entry))
break;
part_info->exec_log_entry= exec_log_entry;
unlock_global_table_log();
set_part_info_exec_log_entry(part_info, exec_log_entry);
DBUG_RETURN(FALSE);
} while (TRUE);
release_part_info_log_entries(part_info->first_log_entry);
part_info->first_log_entry= NULL;
unlock_global_table_log();
part_info->first_log_entry= NULL;
my_error(ER_TABLE_LOG_ERROR, MYF(0));
DBUG_RETURN(TRUE);
}
......@@ -5342,15 +5362,16 @@ write_log_rename_frm(ALTER_PARTITION_PARAM_TYPE *lpt)
char path[FN_LEN];
char shadow_path[FN_LEN];
TABLE_LOG_MEMORY_ENTRY *old_first_log_entry= part_info->first_log_entry;
DBUG_ENTER("write_log_drop_shadow_frm");
DBUG_ENTER("write_log_rename_frm");
part_info->first_log_entry= NULL;
build_table_filename(path, sizeof(path), lpt->db,
lpt->table_name, "");
build_table_filename(shadow_path, sizeof(shadow_path), lpt->db,
lpt->table_name, "#");
lock_global_table_log();
do
{
build_table_filename(path, sizeof(path), lpt->db,
lpt->table_name, "");
build_table_filename(shadow_path, sizeof(shadow_path), lpt->db,
lpt->table_name, "#");
if (write_log_rename_delete_frm(lpt, 0UL, path, shadow_path, FALSE))
break;
log_entry= part_info->first_log_entry;
......@@ -5362,8 +5383,8 @@ write_log_rename_frm(ALTER_PARTITION_PARAM_TYPE *lpt)
DBUG_RETURN(FALSE);
} while (TRUE);
release_part_info_log_entries(part_info->first_log_entry);
part_info->first_log_entry= old_first_log_entry;
unlock_global_table_log();
part_info->first_log_entry= old_first_log_entry;
my_error(ER_TABLE_LOG_ERROR, MYF(0));
DBUG_RETURN(TRUE);
}
......@@ -5421,8 +5442,8 @@ write_log_drop_partition(ALTER_PARTITION_PARAM_TYPE *lpt)
DBUG_RETURN(FALSE);
} while (TRUE);
release_part_info_log_entries(part_info->first_log_entry);
part_info->first_log_entry= old_first_log_entry;
unlock_global_table_log();
part_info->first_log_entry= old_first_log_entry;
my_error(ER_TABLE_LOG_ERROR, MYF(0));
DBUG_RETURN(TRUE);
}
......@@ -5459,14 +5480,14 @@ write_log_add_change_partition(ALTER_PARTITION_PARAM_TYPE *lpt)
build_table_filename(path, sizeof(path), lpt->db,
lpt->table_name, "");
build_table_filename(tmp_path, sizeof(tmp_path), lpt->db,
lpt->table_name, "#");
lock_global_table_log();
do
{
if (write_log_dropped_partitions(lpt, &next_entry, (const char*)path,
FALSE))
break;
build_table_filename(tmp_path, sizeof(tmp_path), lpt->db,
lpt->table_name, "#");
if (write_log_rename_delete_frm(lpt, next_entry, NULL, tmp_path,
FALSE))
break;
......@@ -5474,13 +5495,13 @@ write_log_add_change_partition(ALTER_PARTITION_PARAM_TYPE *lpt)
if (write_execute_table_log_entry(log_entry->entry_pos,
FALSE, &exec_log_entry))
break;
part_info->exec_log_entry= exec_log_entry;
unlock_global_table_log();
set_part_info_exec_log_entry(part_info, exec_log_entry);
DBUG_RETURN(FALSE);
} while (TRUE);
release_part_info_log_entries(part_info->first_log_entry);
part_info->first_log_entry= NULL;
unlock_global_table_log();
part_info->first_log_entry= NULL;
my_error(ER_TABLE_LOG_ERROR, MYF(0));
DBUG_RETURN(TRUE);
}
......@@ -5516,18 +5537,19 @@ write_log_final_change_partition(ALTER_PARTITION_PARAM_TYPE *lpt)
uint next_entry= 0;
DBUG_ENTER("write_log_final_change_partition");
part_info->first_log_entry= NULL;
build_table_filename(path, sizeof(path), lpt->db,
lpt->table_name, "");
build_table_filename(shadow_path, sizeof(shadow_path), lpt->db,
lpt->table_name, "#");
lock_global_table_log();
do
{
build_table_filename(path, sizeof(path), lpt->db,
lpt->table_name, "");
if (write_log_dropped_partitions(lpt, &next_entry, (const char*)path,
TRUE))
break;
if (write_log_changed_partitions(lpt, &next_entry, (const char*)path))
break;
build_table_filename(shadow_path, sizeof(shadow_path), lpt->db,
lpt->table_name, "#");
if (write_log_rename_delete_frm(lpt, 0UL, path, shadow_path, FALSE))
break;
log_entry= part_info->first_log_entry;
......@@ -5539,8 +5561,8 @@ write_log_final_change_partition(ALTER_PARTITION_PARAM_TYPE *lpt)
DBUG_RETURN(FALSE);
} while (TRUE);
release_part_info_log_entries(part_info->first_log_entry);
part_info->first_log_entry= old_first_log_entry;
unlock_global_table_log();
part_info->first_log_entry= old_first_log_entry;
my_error(ER_TABLE_LOG_ERROR, MYF(0));
DBUG_RETURN(TRUE);
}
......@@ -5565,18 +5587,17 @@ write_log_completed(ALTER_PARTITION_PARAM_TYPE *lpt)
TABLE_LOG_MEMORY_ENTRY *log_entry= part_info->exec_log_entry;
DBUG_ENTER("write_log_completed");
DBUG_ASSERT(log_entry);
lock_global_table_log();
DBUG_ASSERT(part_info->exec_log_entry);
if (write_execute_table_log_entry(0UL, TRUE, &part_info->exec_log_entry))
if (write_execute_table_log_entry(0UL, TRUE, &log_entry))
{
DBUG_RETURN(TRUE);
}
release_part_info_log_entries(part_info->first_log_entry);
part_info->first_log_entry= NULL;
part_info->exec_log_entry->next_active_log_entry= NULL;
release_part_info_log_entries(part_info->exec_log_entry);
part_info->exec_log_entry= NULL;
unlock_global_table_log();
part_info->exec_log_entry= NULL;
part_info->first_log_entry= NULL;
DBUG_RETURN(FALSE);
}
......
sql/sql_table.cc
View file @ 127fbad1
......@@ -698,7 +698,7 @@ write_execute_table_log_entry(uint first_entry,
bool complete,
TABLE_LOG_MEMORY_ENTRY **active_entry)
{
bool write_header;
bool write_header= FALSE;
char *file_entry= (char*)global_table_log.file_entry;
DBUG_ENTER("write_execute_table_log_entry");
......
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