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Added name to MEM_ROOT for esier debugging

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This will make it easier to how memory allocation is done when debugging
with either DBUG or gdb.

Will especially help when debugging stored procedures

Main change is a name argument as second argument to init_alloc_root()
init_sql_alloc()

Other things:
- Added DBUG_ENTER/EXIT to some Virtual_tmp_table functions
This commit is contained in:
Monty 2018-02-02 11:08:36 +02:00
commit d69642dedd
60 changed files with 187 additions and 122 deletions
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4
libmysqld/lib_sql.cc
View file

@ -655,7 +655,7 @@ void init_embedded_mysql(MYSQL *mysql, int client_flag)
thd->mysql= mysql;
mysql->server_version= server_version;
mysql->client_flag= client_flag;
init_alloc_root(&mysql->field_alloc, 8192, 0, MYF(0));
init_alloc_root(&mysql->field_alloc, "fields", 8192, 0, MYF(0));
}
/**
@ -972,7 +972,7 @@ int Protocol::begin_dataset()
return 1;
alloc= &data->alloc;
/* Assume rowlength < 8192 */
init_alloc_root(alloc, 8192, 0, MYF(0));
init_alloc_root(alloc, "protocol", 8192, 0, MYF(0));
alloc->min_malloc= sizeof(MYSQL_ROWS);
return 0;
}