Fixed compiler warnings

sql/sql_parse.cc

@@ -1122,7 +1122,6 @@ static enum enum_server_command fetch_command(THD *thd, char *packet)
 {
   enum enum_server_command
     command= (enum enum_server_command) (uchar) packet[0];
-  NET *net= &thd->net;
   DBUG_ENTER("fetch_command");
 
   if (command >= COM_END ||
@@ -1130,7 +1129,7 @@ static enum enum_server_command fetch_command(THD *thd, char *packet)
     command= COM_END;				// Wrong command
 
   DBUG_PRINT("info",("Command on %s = %d (%s)",
-                     vio_description(net->vio), command,
+                     vio_description(thd->net.vio), command,
                      command_name[command].str));
   DBUG_RETURN(command);
 }

storage/innobase/lock/lock0lock.cc

@@ -6817,7 +6817,7 @@ lock_clust_rec_modify_check_and_lock(
 	lock_rec_convert_impl_to_expl(block, rec, index, offsets);
 
 	lock_mutex_enter();
-	trx_t*		trx = thr_get_trx(thr);
+	trx_t*		trx __attribute__((unused))= thr_get_trx(thr);
 
 	ut_ad(lock_table_has(trx, index->table, LOCK_IX));
 
@@ -6877,7 +6877,7 @@ lock_sec_rec_modify_check_and_lock(
 	index record, and this would not have been possible if another active
 	transaction had modified this secondary index record. */
 
-	trx_t* trx = thr_get_trx(thr);
+	trx_t* trx __attribute__((unused))= thr_get_trx(thr);
 	lock_mutex_enter();
 
 	ut_ad(lock_table_has(trx, index->table, LOCK_IX));
@@ -6977,7 +6977,7 @@ lock_sec_rec_read_check_and_lock(
 		lock_rec_convert_impl_to_expl(block, rec, index, offsets);
 	}
 
-	trx_t* trx = thr_get_trx(thr);
+	trx_t* trx __attribute__((unused))= thr_get_trx(thr);
 	lock_mutex_enter();
 
 	ut_ad(mode != LOCK_X
@@ -7051,7 +7051,7 @@ lock_clust_rec_read_check_and_lock(
 	}
 
 	lock_mutex_enter();
-	trx_t* trx = thr_get_trx(thr);
+	trx_t* trx __attribute__((unused))= thr_get_trx(thr);
 
 	ut_ad(mode != LOCK_X
 	      || lock_table_has(trx, index->table, LOCK_IX));

storage/xtradb/lock/lock0lock.cc

@@ -6890,7 +6890,7 @@ lock_clust_rec_modify_check_and_lock(
 	lock_rec_convert_impl_to_expl(block, rec, index, offsets);
 
 	lock_mutex_enter();
-	trx_t*		trx = thr_get_trx(thr);
+	trx_t*		trx __attribute__((unused))= thr_get_trx(thr);
 
 	ut_ad(lock_table_has(trx, index->table, LOCK_IX));
 
@@ -6954,7 +6954,7 @@ lock_sec_rec_modify_check_and_lock(
 	index record, and this would not have been possible if another active
 	transaction had modified this secondary index record. */
 
-	trx_t* trx = thr_get_trx(thr);
+	trx_t* trx __attribute__((unused))= thr_get_trx(thr);
 	lock_mutex_enter();
 
 	ut_ad(lock_table_has(trx, index->table, LOCK_IX));
@@ -7063,7 +7063,7 @@ lock_sec_rec_read_check_and_lock(
 		lock_rec_convert_impl_to_expl(block, rec, index, offsets);
 	}
 
-	trx_t* trx = thr_get_trx(thr);
+	trx_t* trx __attribute__((unused))= thr_get_trx(thr);
 	lock_mutex_enter();
 
 	ut_ad(mode != LOCK_X
@@ -7146,7 +7146,7 @@ lock_clust_rec_read_check_and_lock(
 	}
 
 	lock_mutex_enter();
-	trx_t* trx = thr_get_trx(thr);
+	trx_t* trx __attribute__((unused))= thr_get_trx(thr);
 
 	ut_ad(mode != LOCK_X
 	      || lock_table_has(trx, index->table, LOCK_IX));