Merge branch '10.2' into bb-10.2-connector-c-integ-subm

mysql-test/r/cte_recursive.result

@@ -1556,6 +1556,54 @@ EXPLAIN
     }
   }
 }
+create table my_ancestors
+with recursive
+ancestor_ids (id)
+as
+(
+select father from folks where name = 'Me'
+  union
+select mother from folks where name = 'Me'
+  union
+select father from folks, ancestor_ids a  where folks.id = a.id
+union
+select mother from folks, ancestor_ids a  where folks.id = a.id
+)
+select p.* from folks as p, ancestor_ids as a where p.id = a.id;
+select * from my_ancestors;
+id	name	dob	father	mother
+20	Dad	1970-02-02	10	9
+30	Mom	1975-03-03	8	7
+10	Grandpa Bill	1940-04-05	NULL	NULL
+9	Grandma Ann	1941-10-15	NULL	NULL
+7	Grandma Sally	1943-08-23	NULL	6
+8	Grandpa Ben	1940-10-21	NULL	NULL
+6	Grandgrandma Martha	1923-05-17	NULL	NULL
+delete from my_ancestors;
+insert into my_ancestors 
+with recursive
+ancestor_ids (id)
+as
+(
+select father from folks where name = 'Me'
+  union
+select mother from folks where name = 'Me'
+  union
+select father from folks, ancestor_ids a  where folks.id = a.id
+union
+select mother from folks, ancestor_ids a  where folks.id = a.id
+)
+select p.* from folks as p, ancestor_ids as a where p.id = a.id;
+select * from my_ancestors;
+id	name	dob	father	mother
+20	Dad	1970-02-02	10	9
+30	Mom	1975-03-03	8	7
+10	Grandpa Bill	1940-04-05	NULL	NULL
+9	Grandma Ann	1941-10-15	NULL	NULL
+7	Grandma Sally	1943-08-23	NULL	6
+8	Grandpa Ben	1940-10-21	NULL	NULL
+6	Grandgrandma Martha	1923-05-17	NULL	NULL
+drop table my_ancestors;
 drop table folks;
 #
 # MDEV-10372: [bb-10.2-mdev9864 tree] EXPLAIN with recursive CTE enters endless recursion

mysql-test/t/cte_recursive.test

@@ -1162,6 +1162,44 @@ select h_name, h_dob, w_name, w_dob
   from ancestor_couples;
 
 
+create table my_ancestors
+with recursive
+ancestor_ids (id)
+as
+(
+  select father from folks where name = 'Me'
+  union
+  select mother from folks where name = 'Me'
+  union
+  select father from folks, ancestor_ids a  where folks.id = a.id
+  union
+  select mother from folks, ancestor_ids a  where folks.id = a.id
+)
+select p.* from folks as p, ancestor_ids as a where p.id = a.id;
+
+select * from my_ancestors;
+
+delete from my_ancestors;
+
+insert into my_ancestors 
+with recursive
+ancestor_ids (id)
+as
+(
+  select father from folks where name = 'Me'
+  union
+  select mother from folks where name = 'Me'
+  union
+  select father from folks, ancestor_ids a  where folks.id = a.id
+  union
+  select mother from folks, ancestor_ids a  where folks.id = a.id
+)
+select p.* from folks as p, ancestor_ids as a where p.id = a.id;
+
+select * from my_ancestors;
+
+drop table my_ancestors;
+
 drop table folks;
 
 --echo #

sql/sql_parse.cc

@@ -3781,7 +3781,8 @@ mysql_execute_command(THD *thd)
       /* Copy temporarily the statement flags to thd for lock_table_names() */
       uint save_thd_create_info_options= thd->lex->create_info.options;
       thd->lex->create_info.options|= create_info.options;
-      res= open_and_lock_tables(thd, create_info, lex->query_tables, TRUE, 0);
+      if (!(res= check_dependencies_in_with_clauses(lex->with_clauses_list)))
+        res= open_and_lock_tables(thd, create_info, lex->query_tables, TRUE, 0);
       thd->lex->create_info.options= save_thd_create_info_options;
       if (res)
       {
@@ -4394,7 +4395,8 @@ mysql_execute_command(THD *thd)
 
     unit->set_limit(select_lex);
 
-    if (!(res= open_and_lock_tables(thd, all_tables, TRUE, 0)))
+    if (!(res= check_dependencies_in_with_clauses(lex->with_clauses_list)) &&
+	!(res=open_and_lock_tables(thd, all_tables, TRUE, 0)))
     {
       MYSQL_INSERT_SELECT_START(thd->query());
       /*

sql/sql_yacc.yy

@@ -4810,16 +4810,22 @@ create_like:
 
 opt_create_select:
           /* empty */ {}
-        | opt_duplicate opt_as create_select_query_expression_body
+        | opt_duplicate opt_as create_select_query_expression
         ;
 
-create_select_query_expression_body:
-          SELECT_SYM create_select_part2 opt_table_expression
+create_select_query_expression:
+          opt_with_clause SELECT_SYM create_select_part2 opt_table_expression
           create_select_part4
-          { Select->set_braces(0);}
+          { 
+            Select->set_braces(0);
+            Select->set_with_clause($1);
+          }
           union_clause
-        | SELECT_SYM create_select_part2 create_select_part3_union_not_ready
-          create_select_part4
+        | opt_with_clause SELECT_SYM create_select_part2 
+          create_select_part3_union_not_ready create_select_part4
+          {
+            Select->set_with_clause($1);
+          }
         | '(' create_select_query_specification ')'
         | '(' create_select_query_specification ')'
           { Select->set_braces(1);} union_list {}
@@ -5519,7 +5525,11 @@ opt_part_option:
 */
 
 create_select_query_specification:
-          SELECT_SYM create_select_part2 create_select_part3 create_select_part4
+          SELECT_SYM opt_with_clause create_select_part2 create_select_part3
+          create_select_part4
+          {
+            Select->set_with_clause($2);
+          }
         ;
 
 create_select_part2:
@@ -12308,7 +12318,7 @@ fields:
 insert_values:
           VALUES values_list {}
         | VALUE_SYM values_list {}
-        | create_select_query_expression_body {}
+        | create_select_query_expression {}
         ;
 
 values_list:

storage/innobase/sync/sync0arr.cc

@@ -501,9 +501,7 @@ void
 sync_array_cell_print(
 /*==================*/
 	FILE*		file,		/*!< in: file where to print */
-	sync_cell_t*	cell,		/*!< in: sync cell */
-	os_thread_id_t* reserver)	/*!< out: write reserver or
-					0 */
+	sync_cell_t*	cell)		/*!< in: sync cell */
 {
 	rw_lock_t*	rwlock;
 	ulint		type;
@@ -601,7 +599,6 @@ sync_array_cell_print(
 				writer == RW_LOCK_X ? " exclusive\n"
 				: writer == RW_LOCK_SX ? " SX\n"
 					: " wait exclusive\n");
-				*reserver = rwlock->writer_thread;
 			}
 
 			fprintf(file,
@@ -715,7 +712,7 @@ sync_array_report_error(
 	sync_cell_t* 		cell)
 {
 	fprintf(stderr, "rw-lock %p ", (void*) lock);
-	sync_array_cell_print(stderr, cell, 0);
+	sync_array_cell_print(stderr, cell);
 	rw_lock_debug_print(stderr, debug);
 }
 
@@ -788,7 +785,7 @@ sync_array_detect_deadlock(
 					<< " file " << name << " line "
 					<< policy.get_enter_line();
 
-				sync_array_cell_print(stderr, cell, 0);
+				sync_array_cell_print(stderr, cell);
 
 				return(true);
 			}
@@ -1152,7 +1149,7 @@ sync_array_print_long_waits_low(
 
 		if (diff > SYNC_ARRAY_TIMEOUT) {
 			ib::warn() << "A long semaphore wait:";
-			sync_array_cell_print(stderr, cell, 0);
+			sync_array_cell_print(stderr, cell);
 			*noticed = TRUE;
 		}
 
@@ -1167,14 +1164,12 @@ sync_array_print_long_waits_low(
 		}
 	}
 
-	/* We found a long semaphore wait, wait all threads that are
+	/* We found a long semaphore wait, print all threads that are
 	waiting for a semaphore. */
 	if (*noticed) {
 		for (i = 0; i < arr->n_cells; i++) {
 			void*	wait_object;
-			os_thread_id_t reserver=(os_thread_id_t)ULINT_UNDEFINED;
 			sync_cell_t*	cell;
-			ulint loop = 0;
 
 			cell = sync_array_get_nth_cell(arr, i);
 
@@ -1185,41 +1180,8 @@ sync_array_print_long_waits_low(
 				continue;
 			}
 
-			fputs("InnoDB: Warning: semaphore wait:\n",
-			      stderr);
-			sync_array_cell_print(stderr, cell, 0);
-
-			/* Try to output cell information for writer recursive way */
-			while (reserver != (os_thread_id_t)ULINT_UNDEFINED) {
-				sync_cell_t* reserver_wait;
-
-				reserver_wait = sync_array_find_thread(arr, reserver);
-
-				if (reserver_wait &&
-					reserver_wait->latch.mutex != NULL &&
-					reserver_wait->waiting) {
-					fputs("InnoDB: Warning: Writer thread is waiting this semaphore:\n",
-						stderr);
-					reserver = (os_thread_id_t)ULINT_UNDEFINED;
-					sync_array_cell_print(stderr, reserver_wait, &reserver);
-					loop++;
-
-					/* TODO: FIXME:
-					if (reserver_wait->thread == reserver) {
-						reserver = (os_thread_id_t)ULINT_UNDEFINED;
-					}
-					*/
-				} else {
-					reserver = (os_thread_id_t)ULINT_UNDEFINED;
-				}
-
-				/* This is protection against loop */
-				if (loop > 100) {
-					fputs("InnoDB: Warning: Too many waiting threads.\n", stderr);
-					break;
-				}
-
-			}
+			ib::info() << "A semaphore wait:";
+			sync_array_cell_print(stderr, cell);
 		}
 	}
 
@@ -1314,7 +1276,7 @@ sync_array_print_info_low(
 
 		if (cell->latch.mutex != 0) {
 			count++;
-			sync_array_cell_print(file, cell, 0);
+			sync_array_cell_print(file, cell);
 		}
 	}
 }
@@ -1404,8 +1366,6 @@ sync_array_print_innodb(void)
 	for (i = 0; i < arr->n_cells; i++) {
 		void*	wait_object;
 		sync_cell_t*	cell;
-		os_thread_id_t reserver=(os_thread_id_t)ULINT_UNDEFINED;
-		ulint loop=0;
 
 		cell = sync_array_get_nth_cell(arr, i);
 
@@ -1418,36 +1378,7 @@ sync_array_print_innodb(void)
 
 		fputs("InnoDB: Warning: semaphore wait:\n",
 			      stderr);
-		sync_array_cell_print(stderr, cell, &reserver);
-
-		/* Try to output cell information for writer recursive way */
-		while (reserver != (os_thread_id_t)ULINT_UNDEFINED) {
-			sync_cell_t* reserver_wait;
-
-			reserver_wait = sync_array_find_thread(arr, reserver);
-
-			if (reserver_wait &&
-				reserver_wait->latch.mutex != NULL &&
-				reserver_wait->waiting) {
-				fputs("InnoDB: Warning: Writer thread is waiting this semaphore:\n",
-					stderr);
-				sync_array_cell_print(stderr, reserver_wait, &reserver);
-
-				/* JAN: FIXME:
-				if (reserver_wait->thread == reserver) {
-					reserver = (os_thread_id_t)ULINT_UNDEFINED;
-				}
-				*/
-			} else {
-				reserver = (os_thread_id_t)ULINT_UNDEFINED;
-			}
-
-			/* This is protection against loop */
-			if (loop > 100) {
-				fputs("InnoDB: Warning: Too many waiting threads.\n", stderr);
-				break;
-			}
-		}
+		sync_array_cell_print(stderr, cell);
 	}
 
 	fputs("InnoDB: Semaphore wait debug output ended:\n", stderr);

storage/innobase/ut/ut0crc32.cc

@@ -447,12 +447,12 @@ static bool	ut_crc32_slice8_table_initialized = false;
 /********************************************************************//**
 Initializes the table that is used to generate the CRC32 if the CPU does
 not have support for it. */
-#ifndef HAVE_CRC32_VPMSUM
 static
 void
 ut_crc32_slice8_table_init()
 /*========================*/
 {
+#ifndef HAVE_CRC32_VPMSUM
 	/* bit-reversed poly 0x1EDC6F41 (from SSE42 crc32 instruction) */
 	static const uint32_t	poly = 0x82f63b78;
 	uint32_t		n;
@@ -476,8 +476,8 @@ ut_crc32_slice8_table_init()
 	}
 
 	ut_crc32_slice8_table_initialized = true;
-}
 #endif
+}
 
 /** Calculate CRC32 over 8-bit data using a software implementation.
 @param[in,out]	crc	crc32 checksum so far when this function is called,