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Fix GCC 11.2.0 -Wmaybe-uninitialized

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TABLE_LIST::calc_md5(): Remove an untruthful const qualifier.

thd_get_query_start_data(): Pass empty_clex_str instead of
an uninitialized LEX_CSTRING.
This commit is contained in:
Marko Mäkelä
2021-08-23 09:00:37 +03:00
parent e4901d9523
commit 8a33d36dac
4 changed files with 9 additions and 9 deletions
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4
sql/sql_class.cc
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@@ -5156,8 +5156,8 @@ extern "C" bool thd_is_strict_mode(const MYSQL_THD thd)
*/
void thd_get_query_start_data(THD *thd, char *buf)
{
LEX_CSTRING field_name;
Field_timestampf f((uchar *)buf, NULL, 0, Field::NONE, &field_name, NULL, 6);
Field_timestampf f((uchar *)buf, NULL, 0, Field::NONE, &empty_clex_str,
NULL, 6);
f.store_TIME(thd->query_start(), thd->query_start_sec_part());
}

4
sql/sql_view.cc
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@@ -1,5 +1,5 @@
/* Copyright (c) 2004, 2013, Oracle and/or its affiliates.
Copyright (c) 2011, 2016, MariaDB Corporation
Copyright (c) 2011, 2021, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -836,7 +836,7 @@ int mariadb_fix_view(THD *thd, TABLE_LIST *view, bool wrong_checksum,
if ((view->md5.str= (char *)thd->alloc(32 + 1)) == NULL)
DBUG_RETURN(HA_ADMIN_FAILED);
}
view->calc_md5(view->md5.str);
view->calc_md5(const_cast<char*>(view->md5.str));
view->md5.length= 32;
}
view->mariadb_version= MYSQL_VERSION_ID;

6
sql/table.cc
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@@ -1,5 +1,5 @@
/* Copyright (c) 2000, 2017, Oracle and/or its affiliates.
Copyright (c) 2008, 2020, MariaDB
Copyright (c) 2008, 2021, MariaDB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -4879,12 +4879,12 @@ void TABLE::reset_item_list(List<Item> *item_list, uint skip) const
buffer buffer for md5 writing
*/
void TABLE_LIST::calc_md5(const char *buffer)
void TABLE_LIST::calc_md5(char *buffer)
{
uchar digest[16];
compute_md5_hash(digest, select_stmt.str,
select_stmt.length);
sprintf((char *) buffer,
sprintf(buffer,
"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
digest[0], digest[1], digest[2], digest[3],
digest[4], digest[5], digest[6], digest[7],

4
sql/table.h
View File

@@ -1,7 +1,7 @@
#ifndef TABLE_INCLUDED
#define TABLE_INCLUDED
/* Copyright (c) 2000, 2017, Oracle and/or its affiliates.
Copyright (c) 2009, 2020, MariaDB
Copyright (c) 2009, 2021, MariaDB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -2562,7 +2562,7 @@ struct TABLE_LIST
List<String> *partition_names;
#endif /* WITH_PARTITION_STORAGE_ENGINE */
void calc_md5(const char *buffer);
void calc_md5(char *buffer);
int view_check_option(THD *thd, bool ignore_failure);
bool create_field_translation(THD *thd);
bool setup_underlying(THD *thd);