MDEV-32205 crash in get_schema_key_period_usage_record without InnoDB

Move table open result processing to the caller

* st_schema_table::process_table doesn't have to check whether the table
was opened successfully
* It also doesn't have to check for a thd error and convert it to a warning
* This simplifies adding new tables into information_schema
* A callback still can output some info to a user in case of error. In
order to do this, I_S_EXTENDED_ERROR_HANDLING should be specified in
i_s_requested_object.

mysql-test/suite/period/r/create.result

@@ -10,9 +10,21 @@ t	CREATE TABLE `t` (
   PERIOD FOR `mytime` (`s`, `e`),
   PRIMARY KEY (`id`)
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
+create view v as select * from t;
 select * from information_schema.periods;
 TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	PERIOD	START_COLUMN_NAME	END_COLUMN_NAME
 def	test	t	mytime	s	e
+Warnings:
+Warning	1286	Unknown storage engine 'InnoDB'
+Warning	1286	Unknown storage engine 'InnoDB'
+Warning	1286	Unknown storage engine 'InnoDB'
+select * from information_schema.key_period_usage;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	PERIOD_NAME
+Warning	1286	Unknown storage engine 'InnoDB'
+Warning	1286	Unknown storage engine 'InnoDB'
+Warning	1286	Unknown storage engine 'InnoDB'
+Warnings:
+drop view v;
 create or replace table t (id int primary key, s timestamp(6), e timestamp(6),
 period for mytime(s,e));
 show create table t;
@@ -114,3 +126,40 @@ create table t2 (s date, e date, period for
 `abcd123456789012345678901234567890123456789012345678901234567890`
                  (s,e));
 drop table t2;
+# MDEV-32205 Server crashes in get_schema_key_period_usage_record on
+# server without InnoDB
+# Make sure innodb id disabled, but there's at least one innodb table
+select "yes" from information_schema.tables where engine="innodb" limit 1;
+yes
+yes
+select plugin_status from information_schema.all_plugins where plugin_name = "innodb";
+plugin_status
+DISABLED
+select * from information_schema.periods;
+TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	PERIOD	START_COLUMN_NAME	END_COLUMN_NAME
+select * from information_schema.key_period_usage;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	PERIOD_NAME
+# [DUPLICATE] MDEV-32204 Server crashes in
+# get_schema_key_period_usage_record
+create table t (a date) engine=myisam;
+create table  t1 (a int) engine=merge union = (t) ;
+select 1 from information_schema.key_period_usage;
+1
+Warning	1168	Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
+Warning	1286	Unknown storage engine 'InnoDB'
+Warning	1286	Unknown storage engine 'InnoDB'
+Warning	1286	Unknown storage engine 'InnoDB'
+Warnings:
+drop table t1;
+drop table t;
+create view v1 as select 1;
+create view v2 as select * from v1;
+drop view v1;
+select * from information_schema.key_period_usage;
+CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	PERIOD_NAME
+Warning	1286	Unknown storage engine 'InnoDB'
+Warning	1286	Unknown storage engine 'InnoDB'
+Warning	1286	Unknown storage engine 'InnoDB'
+Warning	1356	View 'test.v2' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
+Warnings:
+drop view v2;

mysql-test/suite/period/r/i_s_notembedded.result

 select * from information_schema.periods;
 TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	PERIOD	START_COLUMN_NAME	END_COLUMN_NAME
+Warnings:
+Warning	1286	Unknown storage engine 'InnoDB'
+Warning	1286	Unknown storage engine 'InnoDB'
+Warning	1286	Unknown storage engine 'InnoDB'
 create or replace table t1 (id int primary key, s timestamp(6), e timestamp(6),
 period for mytime(s,e));
 create or replace table t2 (id int primary key, s timestamp(6), e timestamp(6),
@@ -15,9 +19,9 @@ s	timestamp(6)	NO		NULL
 e	timestamp(6)	NO		NULL	
 select * from information_schema.periods where table_schema = 'test';
 TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	PERIOD	START_COLUMN_NAME	END_COLUMN_NAME
+def	test	t1	mytime	s	e
 def	test	t2	SYSTEM_TIME	vs	ve
 def	test	t2	mytime	s	e
-def	test	t1	mytime	s	e
 create user periods_hidden@localhost;
 grant create on test.nonexist to periods_hidden@localhost;
 connect  chopped,localhost,periods_hidden,,test;

mysql-test/suite/period/r/overlaps.result

@@ -22,9 +22,9 @@ unique(id2, very_interesting_period without overlaps)
 );
 select * from information_schema.key_period_usage;
 CONSTRAINT_CATALOG	CONSTRAINT_SCHEMA	CONSTRAINT_NAME	TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	PERIOD_NAME
+def	test	PRIMARY	def	test	t	p
 def	test	PRIMARY	def	test	t_multi	very_interesting_period
 def	test	id2	def	test	t_multi	very_interesting_period
-def	test	PRIMARY	def	test	t	p
 drop table t_multi;
 insert into t values (1, '2003-01-01', '2003-03-01'),
 (1, '2003-05-01', '2003-07-01');

mysql-test/suite/period/t/create.test

@@ -2,7 +2,11 @@ create table t (id int primary key, s date, e date, period for mytime(s,e));
 --echo # CONSTRAINT CHECK (s < e) is added implicitly, and shouldn't be shown
 --echo # this is important for correct command-based replication
 show create table t;
+create view v as select * from t;
 select * from information_schema.periods;
+--sorted_result
+select * from information_schema.key_period_usage;
+drop view v;
 
 create or replace table t (id int primary key, s timestamp(6), e timestamp(6),
                            period for mytime(s,e));
@@ -101,3 +105,33 @@ create table t2 (s date, e date, period for
                  `abcd123456789012345678901234567890123456789012345678901234567890`
                  (s,e)); 
 drop table t2;
+
+
+--echo # MDEV-32205 Server crashes in get_schema_key_period_usage_record on
+--echo # server without InnoDB
+
+--echo # Make sure innodb id disabled, but there's at least one innodb table
+--disable_warnings
+select "yes" from information_schema.tables where engine="innodb" limit 1;
+select plugin_status from information_schema.all_plugins where plugin_name = "innodb";
+select * from information_schema.periods;
+select * from information_schema.key_period_usage;
+--enable_warnings
+
+--echo # [DUPLICATE] MDEV-32204 Server crashes in
+--echo # get_schema_key_period_usage_record
+
+create table t (a date) engine=myisam;
+create table  t1 (a int) engine=merge union = (t) ;
+
+--sorted_result
+select 1 from information_schema.key_period_usage;
+drop table t1;
+drop table t;
+
+create view v1 as select 1;
+create view v2 as select * from v1;
+drop view v1;
+--sorted_result
+select * from information_schema.key_period_usage;
+drop view v2;

mysql-test/suite/period/t/i_s_notembedded.test

@@ -14,6 +14,7 @@ create or replace table t2 (id int primary key, s timestamp(6), e timestamp(6),
 
 show columns from t1;
 
+--sorted_result
 select * from information_schema.periods where table_schema = 'test';
 
 create user periods_hidden@localhost;
@@ -21,14 +22,17 @@ create user periods_hidden@localhost;
 grant create on test.nonexist to periods_hidden@localhost;
 
 --connect (chopped,localhost,periods_hidden,,test)
+--sorted_result
 select * from information_schema.periods where table_schema = 'test';
 --connection default
 grant select(id) on test.t1 to periods_hidden@localhost;
 --connection chopped
+--sorted_result
 select * from information_schema.periods where table_schema = 'test';
 --connection default
 grant select(s) on test.t1 to periods_hidden@localhost;
 --connection chopped
+--sorted_result
 select * from information_schema.periods where table_schema = 'test';
 --connection default
 grant select(e) on test.t2 to periods_hidden@localhost;

mysql-test/suite/period/t/overlaps.test

@@ -13,12 +13,14 @@ create or replace table t(id int, s date, e date,
 --replace_result $default_engine DEFAULT_ENGINE
 show create table t;
 
+--sorted_result
 select * from information_schema.key_period_usage;
 create or replace table t_multi(id int, id2 int, s date, e date,
                                 period for very_interesting_period(s,e),
                                 primary key(id, very_interesting_period without overlaps),
                                 unique(id2, very_interesting_period without overlaps)
 );
+--sorted_result
 select * from information_schema.key_period_usage;
 drop table t_multi;
 

plugin/type_geom/plugin.cc

@@ -158,17 +158,6 @@ static int get_geometry_column_record(THD *thd, TABLE_LIST *tables,
   Field **ptr, *field;
   DBUG_ENTER("get_geometry_column_record");
 
-  if (res)
-  {
-    /*
-      open_table() failed with an error.
-      Convert the error to a warning and let the caller
-      continue with the next table.
-    */
-    convert_error_to_warning(thd);
-    DBUG_RETURN(0);
-  }
-
   // Skip INFORMATION_SCHEMA tables. They don't have geometry columns.
   if (tables->schema_table)
     DBUG_RETURN(0);

sql/unireg.h

@@ -130,6 +130,13 @@
 */
 #define OPEN_TRIGGER_ONLY      (1 << 21)
 
+/**
+  This flag is used in information schema to determine if handling funciton
+  can treat open result extensively and provide some user output even if
+  table open fails.
+*/
+#define I_S_EXTENDED_ERROR_HANDLING (1 << 22)
+
 /*
   Minimum length pattern before Turbo Boyer-Moore is used
   for SELECT "text" LIKE "%pattern%", excluding the two