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Merge with 4.1

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(Includes merge of arena code in 4.1 and 5.0)
This commit is contained in:
monty@mysql.com
2004-09-06 15:14:10 +03:00
parent 32594c9989 5d71817c70
commit 31122efde7
739 changed files with 39367 additions and 18380 deletions
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59
libmysqld/lib_sql.cc
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@ -72,6 +72,11 @@ emb_advanced_command(MYSQL *mysql, enum enum_server_command command,
THD *thd=(THD *) mysql->thd;
NET *net= &mysql->net;
if (thd->data)
{
free_rows(thd->data);
thd->data= 0;
}
/* Check that we are calling the client functions in right order */
if (mysql->status != MYSQL_STATUS_READY)
{
@ -84,6 +89,7 @@ emb_advanced_command(MYSQL *mysql, enum enum_server_command command,
thd->clear_error();
mysql->affected_rows= ~(my_ulonglong) 0;
mysql->field_count= 0;
net->last_errno= 0;
thd->store_globals(); // Fix if more than one connect
/*
@ -107,17 +113,38 @@ emb_advanced_command(MYSQL *mysql, enum enum_server_command command,
if (!skip_check)
result= thd->net.last_errno ? -1 : 0;
embedded_get_error(mysql);
/*
If mysql->field_count is set it means the parsing of the query was OK
and metadata was returned (see Protocol::send_fields).
In this case we postpone the error to be returned in mysql_stmt_store_result
(see emb_read_rows) to behave just as standalone server.
*/
if (!mysql->field_count)
embedded_get_error(mysql);
mysql->server_status= thd->server_status;
mysql->warning_count= ((THD*)mysql->thd)->total_warn_count;
return result;
}
static void emb_flush_use_result(MYSQL *mysql)
{
MYSQL_DATA *data= ((THD*)(mysql->thd))->data;
if (data)
{
free_rows(data);
((THD*)(mysql->thd))->data= NULL;
}
}
static MYSQL_DATA *
emb_read_rows(MYSQL *mysql, MYSQL_FIELD *mysql_fields __attribute__((unused)),
unsigned int fields __attribute__((unused)))
{
MYSQL_DATA *result= ((THD*)mysql->thd)->data;
embedded_get_error(mysql);
if (mysql->net.last_errno)
return NULL;
if (!result)
{
if (!(result=(MYSQL_DATA*) my_malloc(sizeof(MYSQL_DATA),
@ -195,11 +222,6 @@ static int emb_stmt_execute(MYSQL_STMT *stmt)
THD *thd= (THD*)stmt->mysql->thd;
thd->client_param_count= stmt->param_count;
thd->client_params= stmt->params;
if (thd->data)
{
free_rows(thd->data);
thd->data= 0;
}
if (emb_advanced_command(stmt->mysql, COM_EXECUTE,0,0,
(const char*)&stmt->stmt_id,sizeof(stmt->stmt_id),
1) ||
@ -227,6 +249,9 @@ int emb_read_binary_rows(MYSQL_STMT *stmt)
int emb_unbuffered_fetch(MYSQL *mysql, char **row)
{
MYSQL_DATA *data= ((THD*)mysql->thd)->data;
embedded_get_error(mysql);
if (mysql->net.last_errno)
return mysql->net.last_errno;
if (!data || !data->data)
{
*row= NULL;
@ -293,6 +318,7 @@ MYSQL_METHODS embedded_methods=
emb_read_rows,
emb_mysql_store_result,
emb_fetch_lengths,
emb_flush_use_result,
emb_list_fields,
emb_read_prepare_result,
emb_stmt_execute,
@ -442,14 +468,6 @@ int init_embedded_server(int argc, char **argv, char **groups)
}
}
/*
Update mysqld variables from client variables if set
The client variables are set also by get_one_option() in mysqld.cc
*/
if (max_allowed_packet)
global_system_variables.max_allowed_packet= max_allowed_packet;
if (net_buffer_length)
global_system_variables.net_buffer_length= net_buffer_length;
return 0;
}
@ -478,18 +496,20 @@ void *create_embedded_thd(int client_flag, char *db)
if (thd->store_globals())
{
fprintf(stderr,"store_globals failed.\n");
return NULL;
goto err;
}
thd->mysys_var= my_thread_var;
thd->dbug_thread_id= my_thread_id();
thd->thread_stack= (char*) &thd;
/* TODO - add init_connect command execution */
thd->proc_info=0; // Remove 'login'
thd->command=COM_SLEEP;
thd->version=refresh_version;
thd->set_time();
init_sql_alloc(&thd->mem_root,8192,8192);
thd->init_for_queries();
thd->client_capabilities= client_flag;
thd->db= db;
@ -504,6 +524,9 @@ void *create_embedded_thd(int client_flag, char *db)
thread_count++;
return thd;
err:
delete(thd);
return NULL;
}
#ifdef NO_EMBEDDED_ACCESS_CHECKS
@ -609,9 +632,9 @@ bool Protocol::send_fields(List<Item> *list, int flags)
client_field->org_table_length= strlen(client_field->org_table);
client_field->charsetnr= server_field.charsetnr;
client_field->catalog= strdup_root(field_alloc, "std");
client_field->catalog= strdup_root(field_alloc, "def");
client_field->catalog_length= 3;
if (INTERNAL_NUM_FIELD(client_field))
client_field->flags|= NUM_FLAG;