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SHOW VARIABLES LIKE ... are now case insensitive

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Fixed stack overflow checking with crash-me with gcc 3.0.4
Using @@unknown_variable doesn't hang client anymore
Added @@VERSION variable
This commit is contained in:
monty@tik.mysql.fi
2002-04-18 18:24:14 +03:00
parent 6519ed11fe
commit f94d84a9ec
34 changed files with 95 additions and 52 deletions
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27
sql/sql_show.cc
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@ -567,21 +567,30 @@ mysqld_show_create(THD *thd, TABLE_LIST *table_list)
{
packet->length(0);
net_store_data(packet, table->table_name);
// a hack - we need to reserve some space for the length before
// we know what it is - let's assume that the length of create table
// statement will fit into 3 bytes ( 16 MB max :-) )
/*
A hack - we need to reserve some space for the length before
we know what it is - let's assume that the length of create table
statement will fit into 3 bytes ( 16 MB max :-) )
*/
ulong store_len_offset = packet->length();
packet->length(store_len_offset + 4);
if (store_create_info(thd, table, packet))
DBUG_RETURN(-1);
ulong create_len = packet->length() - store_len_offset - 4;
if (create_len > 0x00ffffff) // better readable in HEX ...
DBUG_RETURN(1); // just in case somebody manages to create a table
// with *that* much stuff in the definition
{
/*
Just in case somebody manages to create a table
with *that* much stuff in the definition
*/
DBUG_RETURN(1);
}
// now we have to store the length in three bytes, even if it would fit
// into fewer, so we cannot use net_store_data() anymore,
// and do it ourselves
/*
Now we have to store the length in three bytes, even if it would fit
into fewer bytes, so we cannot use net_store_data() anymore,
and do it ourselves
*/
char* p = (char*)packet->ptr() + store_len_offset;
*p++ = (char) 253; // The client the length is stored using 3-bytes
int3store(p, create_len);
@ -1125,7 +1134,7 @@ int mysqld_show(THD *thd, const char *wild, show_var_st *variables)
pthread_mutex_lock(&LOCK_status);
for (i=0; variables[i].name; i++)
{
if (!(wild && wild[0] && wild_compare(variables[i].name,wild)))
if (!(wild && wild[0] && wild_case_compare(variables[i].name,wild)))
{
packet2.length(0);
net_store_data(&packet2,variables[i].name);