Fixed that -DDBUG_ASSERT_AS_PRINTF works again

Note that this option was only designed to work on binaries
compiled without DBUG.

Author: montywi

sql/field.cc

@@ -7274,7 +7274,9 @@ int Field_string::cmp(const uchar *a_ptr, const uchar *b_ptr)
 
 void Field_string::sort_string(uchar *to,uint length)
 {
-  IF_DBUG(size_t tmp= ,)
+#ifdef DBUG_ASSERT_EXISTS
+  size_t tmp=
+#endif
     field_charset->coll->strnxfrm(field_charset,
                                   to, length,
                                   char_length() *
@@ -7679,7 +7681,7 @@ void Field_varstring::sort_string(uchar *to,uint length)
     length-= length_bytes;
   }
 
-#ifndef DBUG_OFF
+#ifdef DBUG_ASSERT_EXISTS
     size_t rc=
 #endif
   field_charset->coll->strnxfrm(field_charset, to, length,
@@ -8547,7 +8549,7 @@ void Field_blob::sort_string(uchar *to,uint length)
       store_bigendian(buf.length(), to + length, packlength);
     }
 
-#ifndef DBUG_OFF
+#ifdef DBUG_ASSERT_EXISTS
     size_t rc=
 #endif
     field_charset->coll->strnxfrm(field_charset, to, length, length,

sql/filesort.cc

@@ -1010,7 +1010,9 @@ Type_handler_string_result::make_sort_key(uchar *to, Item *item,
 
   if (use_strnxfrm(cs))
   {
-    IF_DBUG(size_t tmp_length= ,)
+#ifdef DBUG_ASSERT_EXISTS
+    size_t tmp_length=
+#endif
     cs->coll->strnxfrm(cs, to, sort_field->length,
                                    item->max_char_length() *
                                    cs->strxfrm_multiply,

sql/handler.cc

@@ -74,7 +74,7 @@ KEY_CREATE_INFO default_key_create_info=
 ulong total_ha= 0;
 /* number of storage engines (from handlertons[]) that support 2pc */
 ulong total_ha_2pc= 0;
-#ifndef DBUG_OFF
+#ifdef DBUG_ASSERT_EXISTS
 /*
   Number of non-mandatory 2pc handlertons whose initialization failed
   to estimate total_ha_2pc value under supposition of the failures
@@ -661,7 +661,7 @@ int ha_initialize_handlerton(st_plugin_int *plugin)
     (void) plugin->plugin->deinit(NULL);
 
 err:
-#ifndef DBUG_OFF
+#ifdef DBUG_ASSERT_EXISTS
   if (hton->prepare && hton->state == SHOW_OPTION_YES)
     failed_ha_2pc++;
 #endif

sql/sql_select.cc

@@ -3757,7 +3757,7 @@ bool JOIN::save_explain_data(Explain_query *output, bool can_overwrite,
     If there is SELECT in this statement with the same number it must be the
     same SELECT
   */
-  DBUG_ASSERT(select_lex->select_number == UINT_MAX ||
+  DBUG_SLOW_ASSERT(select_lex->select_number == UINT_MAX ||
               select_lex->select_number == INT_MAX ||
               !output ||
               !output->get_select(select_lex->select_number) ||

storage/innobase/handler/ha_innodb.cc

@@ -16065,7 +16065,7 @@ static
 int
 innodb_show_mutex_status(
 	handlerton*
-#ifndef DBUG_OFF
+#ifdef DBUG_ASSERT_EXISTS
 	hton
 #endif
 	,
@@ -16096,7 +16096,7 @@ static
 int
 innodb_show_rwlock_status(
 	handlerton*
-#ifndef DBUG_OFF
+#ifdef DBUG_ASSERT_EXISTS
 	hton
 #endif
 	,

storage/innobase/handler/handler0alter.cc

@@ -5350,14 +5350,14 @@ prepare_inplace_alter_table_dict(
 				     = dict_table_get_nth_col(user_table, i));
 				ut_d(const dict_index_t* index
 				     = user_table->indexes.start);
-				DBUG_ASSERT(col->mtype == old_col->mtype);
-				DBUG_ASSERT(col->prtype == old_col->prtype);
-				DBUG_ASSERT(col->mbminlen
+				DBUG_SLOW_ASSERT(col->mtype == old_col->mtype);
+				DBUG_SLOW_ASSERT(col->prtype == old_col->prtype);
+				DBUG_SLOW_ASSERT(col->mbminlen
 					    == old_col->mbminlen);
-				DBUG_ASSERT(col->mbmaxlen
+				DBUG_SLOW_ASSERT(col->mbmaxlen
 					    == old_col->mbmaxlen);
-				DBUG_ASSERT(col->len >= old_col->len);
-				DBUG_ASSERT(old_col->is_instant()
+				DBUG_SLOW_ASSERT(col->len >= old_col->len);
+				DBUG_SLOW_ASSERT(old_col->is_instant()
 					    == (dict_col_get_clust_pos(
 							old_col, index)
 						>= index->n_core_fields));

storage/innobase/trx/trx0undo.cc

@@ -1444,7 +1444,7 @@ buf_block_t*
 trx_undo_assign_low(trx_t* trx, trx_rseg_t* rseg, trx_undo_t** undo,
 		    dberr_t* err, mtr_t* mtr)
 {
-	const bool	is_temp = rseg == trx->rsegs.m_noredo.rseg;
+  const bool	is_temp __attribute__((unused)) = rseg == trx->rsegs.m_noredo.rseg;
 
 	ut_ad(rseg == trx->rsegs.m_redo.rseg
 	      || rseg == trx->rsegs.m_noredo.rseg);