Bug #110 load data with no database selected

Submitted:	28 Feb 2003 10:04	Modified:	28 Feb 2003 10:05
Reporter:	SINISA MILIVOJEVIC	Email Updates:
Status:	Closed	Impact on me:	None
Category:	MySQL Server	Severity:	S1 (Critical)
Version:	4.0	OS:	Any (all)
Assigned to:		CPU Architecture:	Any

Description:
If database is not selected, mysqld will crash on load data.

How to repeat:
load data infile 'test into table db.table

Suggested fix:
===== sql/sql_load.cc 1.43 vs 1.44 =====
*** /tmp/sql_load.cc-1.43-1397  Fri Feb 14 22:20:33 2003
--- 1.44/sql/sql_load.cc        Wed Feb 26 15:27:42 2003
***************
*** 90,95 ****
--- 90,102 ----
    bool is_fifo=0;
    LOAD_FILE_INFO lf_info;
    char * db = table_list->db ? table_list->db : thd->db;
+   char * tdb= thd->db ? thd->db : db;
+ /*
+   'tdb' can be NULL only if both table_list->db and thd->db are NULL
+   'db' itself can be NULL.  but in that  case it   will generate 
+   an error earlier open_ltable()).
+ */
+ 
    bool transactional_table, log_delayed;
    DBUG_ENTER("mysql_load");
  
***************
*** 168,177 ****
      ex->file_name+=dirname_length(ex->file_name);
  #endif
      if (!dirname_length(ex->file_name) &&
!       strlen(ex->file_name)+strlen(mysql_data_home)+strlen(thd->db)+3 <
        FN_REFLEN)
      {
!       (void) sprintf(name,"%s/%s/%s",mysql_data_home,thd->db,ex->file_name);
        unpack_filename(name,name);             /* Convert to system format */
      }
      else
--- 175,184 ----
      ex->file_name+=dirname_length(ex->file_name);
  #endif
      if (!dirname_length(ex->file_name) &&
!       strlen(ex->file_name)+strlen(mysql_data_home)+strlen(tdb)+3 <
        FN_REFLEN)
      {
!       (void) sprintf(name,"%s/%s/%s",mysql_data_home,tdb,ex->file_name);
        unpack_filename(name,name);             /* Convert to system format */
      }
      else

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