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Fix gcc-12 -O2 -Warray-bounds

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This commit is contained in:
Marko Mäkelä
2022-03-17 10:20:07 +02:00
parent 75e39f3cba
commit 118826d173
3 changed files with 25 additions and 26 deletions
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4
sql/handler.h
View File

@ -2,7 +2,7 @@
#define HANDLER_INCLUDED
/*
Copyright (c) 2000, 2019, Oracle and/or its affiliates.
Copyright (c) 2009, 2021, MariaDB
Copyright (c) 2009, 2022, MariaDB
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
@ -4275,7 +4275,7 @@ static inline const char *ha_resolve_storage_engine_name(const handlerton *db_ty
static inline bool ha_check_storage_engine_flag(const handlerton *db_type, uint32 flag)
{
return db_type == NULL ? FALSE : MY_TEST(db_type->flags & flag);
return db_type && (db_type->flags & flag);
}
static inline bool ha_storage_engine_is_enabled(const handlerton *db_type)

43
sql/sql_table.cc
View File

@ -9191,22 +9191,24 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
create_info->used_fields |= HA_CREATE_USED_ROW_FORMAT;
}
handlerton * const old_db_type= table->s->db_type();
handlerton *new_db_type= create_info->db_type;
DBUG_PRINT("info", ("old type: %s new type: %s",
ha_resolve_storage_engine_name(table->s->db_type()),
ha_resolve_storage_engine_name(create_info->db_type)));
if (ha_check_storage_engine_flag(table->s->db_type(), HTON_ALTER_NOT_SUPPORTED))
ha_resolve_storage_engine_name(old_db_type),
ha_resolve_storage_engine_name(new_db_type)));
if (ha_check_storage_engine_flag(old_db_type, HTON_ALTER_NOT_SUPPORTED))
{
DBUG_PRINT("info", ("doesn't support alter"));
my_error(ER_ILLEGAL_HA, MYF(0), hton_name(table->s->db_type())->str,
my_error(ER_ILLEGAL_HA, MYF(0), hton_name(old_db_type)->str,
alter_ctx.db, alter_ctx.table_name);
DBUG_RETURN(true);
}
if (ha_check_storage_engine_flag(create_info->db_type,
HTON_ALTER_NOT_SUPPORTED))
if (ha_check_storage_engine_flag(new_db_type, HTON_ALTER_NOT_SUPPORTED))
{
DBUG_PRINT("info", ("doesn't support alter"));
my_error(ER_ILLEGAL_HA, MYF(0), hton_name(create_info->db_type)->str,
my_error(ER_ILLEGAL_HA, MYF(0), hton_name(new_db_type)->str,
alter_ctx.new_db, alter_ctx.new_name);
DBUG_RETURN(true);
}
@ -9349,6 +9351,17 @@ do_continue:;
DBUG_RETURN(true);
}
}
/*
If the old table had partitions and we are doing ALTER TABLE ...
engine= <new_engine>, the new table must preserve the original
partitioning. This means that the new engine is still the
partitioning engine, not the engine specified in the parser.
This is discovered in prep_alter_part_table, which in such case
updates create_info->db_type.
It's therefore important that the assignment below is done
after prep_alter_part_table.
*/
new_db_type= create_info->db_type;
#endif
if (mysql_prepare_alter_table(thd, table, create_info, alter_info,
@ -9424,7 +9437,7 @@ do_continue:;
Alter_info::ALTER_TABLE_ALGORITHM_INPLACE)
|| is_inplace_alter_impossible(table, create_info, alter_info)
|| IF_PARTITIONING((partition_changed &&
!(table->s->db_type()->partition_flags() & HA_USE_AUTO_PARTITION)), 0))
!(old_db_type->partition_flags() & HA_USE_AUTO_PARTITION)), 0))
{
if (alter_info->requested_algorithm ==
Alter_info::ALTER_TABLE_ALGORITHM_INPLACE)
@ -9441,22 +9454,10 @@ do_continue:;
request table rebuild. Set ALTER_RECREATE flag to force table
rebuild.
*/
if (create_info->db_type == table->s->db_type() &&
if (new_db_type == old_db_type &&
create_info->used_fields & HA_CREATE_USED_ENGINE)
alter_info->flags|= Alter_info::ALTER_RECREATE;
/*
If the old table had partitions and we are doing ALTER TABLE ...
engine= <new_engine>, the new table must preserve the original
partitioning. This means that the new engine is still the
partitioning engine, not the engine specified in the parser.
This is discovered in prep_alter_part_table, which in such case
updates create_info->db_type.
It's therefore important that the assignment below is done
after prep_alter_part_table.
*/
handlerton *new_db_type= create_info->db_type;
handlerton *old_db_type= table->s->db_type();
TABLE *new_table= NULL;
ha_rows copied=0,deleted=0;

4
storage/innobase/fts/fts0fts.cc
View File

@ -2313,9 +2313,7 @@ fts_trx_table_create(
fts_trx_table_t* ftt;
ftt = static_cast<fts_trx_table_t*>(
mem_heap_alloc(fts_trx->heap, sizeof(*ftt)));
memset(ftt, 0x0, sizeof(*ftt));
mem_heap_zalloc(fts_trx->heap, sizeof *ftt));
ftt->table = table;
ftt->fts_trx = fts_trx;