Fixed that LOAD DATA INFILE works with transactions.

Fix for lower case filenames


BitKeeper/deleted/.del-select.tst~2e626fa07144d2c8:
  Delete: mysql-test/misc/select.tst
Docs/manual.texi:
  Better examples for sub selects
bdb/lock/lock_region.c:
  Fixed not critical error
mysql-test/r/gemini.result:
  Testcase for load data infile
mysql-test/t/gemini.test:
  Testcase for load data infile
sql/sql_load.cc:
  Fixed that LOAD DATA INFILE works with transactions
sql/sql_show.cc:
  Fix for lower case filenames
sql/sql_string.cc:
  cleanup

Docs/manual.texi

@@ -3730,18 +3730,31 @@ list in this manual. @xref{TODO}.
 
 @cindex sub-selects
 
-The following will not yet work in MySQL:
+MySQL currently only supports sub selects of the form @code{INSERT
+... SELECT ...} and @code{REPLACE ... SELECT ...}. You can however use
+the function @code{IN()} in other contexts.
+
+In many cases you can rewrite the query without a sub-select:
 
 @example
 SELECT * FROM table1 WHERE id IN (SELECT id FROM table2);
+@end example
+
+This can be re-written as:
+
+@example
+SELECT table1.* FROM table1,table2 WHERE table1.id=table2.id;
+@end example
+
+The queries:
+@example
 SELECT * FROM table1 WHERE id NOT IN (SELECT id FROM table2);
 SELECT * FROM table1 WHERE NOT EXISTS (SELECT id FROM table2 where table1.id=table2.id);
 @end example
 
-However, in many cases you can rewrite the query without a sub-select:
+Can be rewritten as:
 
 @example
-SELECT table1.* FROM table1,table2 WHERE table1.id=table2.id;
 SELECT table1.* FROM table1 LEFT JOIN table2 ON table1.id=table2.id where table2.id IS NULL
 @end example
 
@@ -3777,11 +3790,9 @@ second instance of the interpreter:
 prompt> mysql --skip-column-names mydb < myscript.sql | mysql mydb
 @end example
 
-MySQL only supports @code{INSERT ... SELECT ...} and
-@code{REPLACE ... SELECT ...} Independent sub-selects will probably
-be available in Version 4.0.  You can now use the function @code{IN()} in
-other contexts, however.
-
+MySQL 4.0 supports multi-table deletes that can be used to efficiently
+delete rows based on information from one table or even from many tables
+at the same time.
 
 @node Missing SELECT INTO TABLE, Missing Transactions, Missing Sub-selects, Missing functions
 @subsubsection @code{SELECT INTO TABLE}

bdb/lock/lock_region.c

@@ -291,6 +291,7 @@ __lock_init(dbenv, lt)
 		    sizeof(struct __db_lock), MUTEX_ALIGN, &lp)) != 0)
 			goto mem_err;
 		lp->status = DB_LSTAT_FREE;
+		lp->gen=0;
 		if ((ret = __db_shmutex_init(dbenv, &lp->mutex,
 		    R_OFFSET(&lt->reginfo, &lp->mutex) + DB_FCNTL_OFF_LOCK,
 		    MUTEX_SELF_BLOCK, &lt->reginfo,

mysql-test/r/gemini.result

@@ -362,3 +362,9 @@ _userid
 marc@anyware.co.uk
 _userid
 marc@anyware.co.uk
+f1
+65
+379
+468
+469
+508

mysql-test/std_data/gemini.dat

+65,-1,1
+379,-1,1
+468,-1,1
+469,-1,1
+508,-1,1  

mysql-test/t/gemini.test

@@ -338,3 +338,18 @@ SELECT * FROM t1;
 SELECT _userid FROM t1 WHERE _userid='marc@anyware.co.uk';
 drop table t1;
 set autocommit=1;
+
+#
+# Test of load data infile
+#
+
+CREATE TABLE if not exists `t1` (
+  `f1` int(11) unsigned NOT NULL default '0',
+  `f2` tinyint(3) unsigned NOT NULL default '0',
+  `f3` tinyint(3) unsigned NOT NULL default '0',
+  PRIMARY KEY  (`f1`)
+) TYPE=Gemini;
+lock table t1 write;
+load data infile ''../../std_data/gemini.dat' ignore into table t1 fields terminated by ',';
+select f1 from t1;
+drop table t1;

sql/sql_load.cc

@@ -71,6 +71,8 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
   String *field_term=ex->field_term,*escaped=ex->escaped,
     *enclosed=ex->enclosed;
   bool is_fifo=0;
+  bool using_transactions;
+
   DBUG_ENTER("mysql_load");
 
   if (escaped->length() > 1 || enclosed->length() > 1)
@@ -239,8 +241,13 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
   free_blobs(table);				/* if pack_blob was used */
   table->copy_blobs=0;
   thd->count_cuted_fields=0;			/* Don`t calc cuted fields */
+  using_transactions = table->file->has_transactions();
   if (error)
-    DBUG_RETURN(-1);				// Error on read
+  {
+    if (using_transactions)
+      ha_autocommit_or_rollback(thd,error);
+    DBUG_RETURN(-1);                           // Error on read
+  }
   sprintf(name,ER(ER_LOAD_INFO),info.records,info.deleted,
 	  info.records-info.copied,thd->cuted_fields);
   send_ok(&thd->net,info.copied+info.deleted,0L,name);
@@ -248,7 +255,7 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
   if(!thd->slave_thread)
     mysql_update_log.write(thd,thd->query,thd->query_length);
   
-  if (!table->file->has_transactions())
+  if (!using_transactions)
     thd->options|=OPTION_STATUS_NO_TRANS_UPDATE;
   if (!read_file_from_client && mysql_bin_log.is_open())
   {
@@ -257,7 +264,9 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
 			 handle_duplicates);
     mysql_bin_log.write(&qinfo);
   }
-  DBUG_RETURN(0);
+  if (using_transactions)
+    error=ha_autocommit_or_rollback(thd,error); 
+  DBUG_RETURN(error);
 }
 
 

sql/sql_show.cc

@@ -182,6 +182,8 @@ mysql_find_files(THD *thd,List<char> *files, const char *db,const char *path,
   TABLE_LIST table_list;
   DBUG_ENTER("mysql_find_files");
 
+  if (wild && !wild[0])
+    wild=0;
   bzero((char*) &table_list,sizeof(table_list));
 
   if (!(dirp = my_dir(path,MYF(MY_WME | (dir ? MY_WANT_STAT : 0)))))
@@ -200,7 +202,7 @@ mysql_find_files(THD *thd,List<char> *files, const char *db,const char *path,
 #endif
       {
         if (file->name[0] == '.' || !MY_S_ISDIR(file->mystat.st_mode) ||
-            (wild && wild[0] && wild_compare(file->name,wild)))
+            (wild && wild_compare(file->name,wild)))
           continue;
       }
     }
@@ -211,8 +213,16 @@ mysql_find_files(THD *thd,List<char> *files, const char *db,const char *path,
           is_prefix(file->name,tmp_file_prefix))
         continue;
       *ext=0;
-      if (wild && wild[0] && wild_compare(file->name,wild))
-        continue;
+      if (wild)
+      {
+	if (lower_case_table_names)
+	{
+	  if (wild_case_compare(file->name,wild))
+	    continue;
+	}
+	else if (wild_compare(file->name,wild))
+	  continue;
+      }
     }
     /* Don't show tables where we don't have any privileges */
     if (db && !(col_access & TABLE_ACLS))

sql/sql_string.cc

@@ -542,8 +542,8 @@ String *copy_if_not_alloced(String *to,String *from,uint32 from_length)
 #endif
 
 int wild_case_compare(const char *str,const char *str_end,
-			     const char *wildstr,const char *wildend,
-			     char escape)
+		      const char *wildstr,const char *wildend,
+		      char escape)
 {
   int result= -1;				// Not found, using wildcards
 #ifdef USE_MB
@@ -677,7 +677,7 @@ int wild_case_compare(String &match,String &wild, char escape)
 */
 
 int wild_compare(const char *str,const char *str_end,
-			const char *wildstr,const char *wildend,char escape)
+		 const char *wildstr,const char *wildend,char escape)
 {
   int result= -1;				// Not found, using wildcards
   while (wildstr != wildend)