Merge 10.3 into 10.4

Author: dr-m

libmysqld/CMakeLists.txt

@@ -29,15 +29,23 @@ ${SSL_INTERNAL_INCLUDE_DIRS}
 )
 
 SET(GEN_SOURCES
-${CMAKE_BINARY_DIR}/sql/sql_yacc.hh 
+${CMAKE_BINARY_DIR}/sql/sql_yacc.hh
 ${CMAKE_BINARY_DIR}/sql/sql_yacc.cc
 ${CMAKE_BINARY_DIR}/sql/sql_yacc_ora.hh
 ${CMAKE_BINARY_DIR}/sql/sql_yacc_ora.cc
-${CMAKE_BINARY_DIR}/sql/lex_hash.h 
+${CMAKE_BINARY_DIR}/sql/lex_hash.h
 )
 
 SET_SOURCE_FILES_PROPERTIES(${GEN_SOURCES} PROPERTIES GENERATED TRUE)
 
+IF(CMAKE_C_COMPILER_ID MATCHES "Clang" AND
+   NOT CMAKE_C_COMPILER_VERSION VERSION_LESS "13.0.0")
+ ADD_COMPILE_FLAGS(
+   ${CMAKE_BINARY_DIR}/sql/sql_yacc.cc
+   ${CMAKE_BINARY_DIR}/sql/sql_yacc_ora.cc
+   COMPILE_FLAGS "-Wno-unused-but-set-variable")
+ENDIF()
+
 SET(SQL_EMBEDDED_SOURCES emb_qcache.cc libmysqld.c lib_sql.cc 
            libmysql.c ../sql-common/errmsg.c
            ../sql-common/client.c

mysql-test/suite/gcol/r/innodb_virtual_index.result

@@ -1,3 +1,4 @@
+SET default_storage_engine= innodb;
 SET @saved_frequency = @@GLOBAL.innodb_purge_rseg_truncate_frequency;
 SET GLOBAL innodb_purge_rseg_truncate_frequency = 1;
 #
@@ -248,12 +249,15 @@ ENGINE=InnoDB;
 INSERT IGNORE INTO t1 (a,b) VALUES(1,20190132);
 Warnings:
 Warning	1265	Data truncated for column 'vb' at row 1
+SELECT * FROM t1;
+a	b	vb
+1	20190132	0000-00-00
 BEGIN;
 DELETE FROM t1;
 INSERT INTO t1 (a,b) VALUES(1,20190123);
-ERROR 22007: Incorrect date value: '20190132' for column `test`.`t1`.`vb` at row 1
 SELECT * FROM t1;
 a	b	vb
+1	20190123	2019-01-23
 ROLLBACK;
 SELECT * FROM t1;
 a	b	vb
@@ -310,3 +314,62 @@ ALTER TABLE t1 ADD KEY (b), ALGORITHM=INPLACE;
 # Cleanup
 DROP TABLE t1;
 # End of 10.2 tests
+#
+# MDEV-29299 SELECT from table with vcol index reports warning
+#
+CREATE TABLE t(fld1 INT NOT NULL,
+fld2 INT AS (100/fld1) VIRTUAL,
+KEY(fld1), KEY(fld2));
+CREATE TABLE t_odd(id int);
+INSERT INTO t(fld1) VALUES(1), (2);
+connect stop_purge,localhost,root;
+START TRANSACTION WITH CONSISTENT SNAPSHOT;
+INSERT INTO t_odd VALUES(10000);
+connection default;
+UPDATE IGNORE t SET fld1= 3 WHERE fld1= 2;
+UPDATE IGNORE t SET fld1= 4 WHERE fld1= 3;
+UPDATE IGNORE t SET fld1= 0 WHERE fld1= 4;
+Warnings:
+Warning	1365	Division by 0
+SELECT fld2 FROM t FORCE INDEX(fld2);
+fld2
+NULL
+100
+SELECT fld2 FROM t FORCE INDEX(fld1);
+fld2
+100
+NULL
+Warnings:
+Warning	1365	Division by 0
+disconnect stop_purge;
+DROP TABLE t, t_odd;
+#
+# MDEV-29753 An error is wrongly reported during INSERT with vcol index
+# See also Bug #22990029
+#
+CREATE TABLE t(pk INT PRIMARY KEY,
+fld1 INT NOT NULL,
+fld2 INT AS (100/fld1) VIRTUAL,
+KEY(fld1), KEY(fld2));
+INSERT IGNORE t(pk, fld1) VALUES(1, 0);
+Warnings:
+Warning	1365	Division by 0
+SELECT * FROM t;
+pk	fld1	fld2
+1	0	NULL
+Warnings:
+Warning	1365	Division by 0
+BEGIN;
+DELETE FROM t;
+Warnings:
+Warning	1365	Division by 0
+Warning	1365	Division by 0
+Warning	1365	Division by 0
+INSERT INTO t (pk, fld1) VALUES(1,1);
+SELECT * FROM t;
+pk	fld1	fld2
+1	1	100
+# Cleanup
+ROLLBACK;
+DROP TABLE t;
+# End of 10.3 tests

mysql-test/suite/gcol/t/innodb_virtual_index.test

@@ -1,6 +1,8 @@
 --source include/have_innodb.inc
 --source include/have_sequence.inc
 
+SET default_storage_engine= innodb;
+
 # Ensure that the history list length will actually be decremented by purge.
 SET @saved_frequency = @@GLOBAL.innodb_purge_rseg_truncate_frequency;
 SET GLOBAL innodb_purge_rseg_truncate_frequency = 1;
@@ -273,9 +275,9 @@ DROP TABLE t1;
 CREATE TABLE t1(a INT PRIMARY KEY, b INT, vb DATE AS(b) VIRTUAL, KEY(vb))
 ENGINE=InnoDB;
 INSERT IGNORE INTO t1 (a,b) VALUES(1,20190132);
+SELECT * FROM t1;
 BEGIN;
 DELETE FROM t1;
---error ER_TRUNCATED_WRONG_VALUE
 INSERT INTO t1 (a,b) VALUES(1,20190123);
 SELECT * FROM t1;
 ROLLBACK;
@@ -334,3 +336,49 @@ DROP TABLE t1;
 
 --echo # End of 10.2 tests
 
+--echo #
+--echo # MDEV-29299 SELECT from table with vcol index reports warning
+--echo #
+
+CREATE TABLE t(fld1 INT NOT NULL,
+               fld2 INT AS (100/fld1) VIRTUAL,
+               KEY(fld1), KEY(fld2));
+CREATE TABLE t_odd(id int);
+INSERT INTO t(fld1) VALUES(1), (2);
+
+--connect stop_purge,localhost,root
+# This prevents purge for records in t
+START TRANSACTION WITH CONSISTENT SNAPSHOT;
+INSERT INTO t_odd VALUES(10000);
+
+--connection default
+UPDATE IGNORE t SET fld1= 3 WHERE fld1= 2;
+UPDATE IGNORE t SET fld1= 4 WHERE fld1= 3;
+UPDATE IGNORE t SET fld1= 0 WHERE fld1= 4;
+SELECT fld2 FROM t FORCE INDEX(fld2);
+SELECT fld2 FROM t FORCE INDEX(fld1);
+
+--disconnect stop_purge
+DROP TABLE t, t_odd;
+
+--echo #
+--echo # MDEV-29753 An error is wrongly reported during INSERT with vcol index
+--echo # See also Bug #22990029
+--echo #
+
+CREATE TABLE t(pk INT PRIMARY KEY,
+               fld1 INT NOT NULL,
+               fld2 INT AS (100/fld1) VIRTUAL,
+               KEY(fld1), KEY(fld2));
+INSERT IGNORE t(pk, fld1) VALUES(1, 0);
+SELECT * FROM t;
+BEGIN;
+DELETE FROM t;
+INSERT INTO t (pk, fld1) VALUES(1,1);
+SELECT * FROM t;
+
+--echo # Cleanup
+ROLLBACK;
+DROP TABLE t;
+
+--echo # End of 10.3 tests

sql/mysqld.cc

@@ -3975,14 +3975,24 @@ static int init_common_variables()
   if (ignore_db_dirs_init())
     exit(1);
 
-#ifdef _WIN32
-  get_win_tzname(system_time_zone, sizeof(system_time_zone));
-#elif defined(HAVE_TZNAME)
   struct tm tm_tmp;
-  localtime_r(&server_start_time,&tm_tmp);
-  const char *tz_name=  tzname[tm_tmp.tm_isdst != 0 ? 1 : 0];
-  strmake_buf(system_time_zone, tz_name);
-#endif /* HAVE_TZNAME */
+  localtime_r(&server_start_time, &tm_tmp);
+
+#ifdef HAVE_TZNAME
+#ifdef _WIN32
+  /*
+   If env.variable TZ is set, derive timezone name from it.
+   Otherwise, use IANA tz name from get_win_tzname.
+  */
+  if (!getenv("TZ"))
+    get_win_tzname(system_time_zone, sizeof(system_time_zone));
+  else
+#endif
+  {
+    const char *tz_name= tzname[tm_tmp.tm_isdst != 0 ? 1 : 0];
+    strmake_buf(system_time_zone, tz_name);
+  }
+#endif
 
   /*
     We set SYSTEM time zone as reasonable default and

sql/sql_class.h

@@ -1878,6 +1878,21 @@ class MDL_deadlock_and_lock_abort_error_handler: public Internal_error_handler
 };
 
 
+struct Suppress_warnings_error_handler : public Internal_error_handler
+{
+  bool handle_condition(THD *thd,
+                        uint sql_errno,
+                        const char *sqlstate,
+                        Sql_condition::enum_warning_level *level,
+                        const char *msg,
+                        Sql_condition **cond_hdl)
+  {
+    return *level == Sql_condition::WARN_LEVEL_WARN;
+  }
+};
+
+
+
 /**
   Tables that were locked with LOCK TABLES statement.
 

sql/table.cc

@@ -8614,12 +8614,28 @@ int TABLE::update_virtual_fields(handler *h, enum_vcol_update_mode update_mode)
   DBUG_RETURN(in_use->is_error());
 }
 
-int TABLE::update_virtual_field(Field *vf)
+/*
+  Calculate the virtual field value for a specified field.
+  @param vf                     A field to calculate
+  @param ignore_warnings        Ignore the warnings and also make the
+                                calculations permissive. This usually means
+                                that a calculation is internal and is not
+                                expected to fail.
+*/
+int TABLE::update_virtual_field(Field *vf, bool ignore_warnings)
 {
   DBUG_ENTER("TABLE::update_virtual_field");
   Query_arena backup_arena;
   Counting_error_handler count_errors;
+  Suppress_warnings_error_handler warning_handler;
   in_use->push_internal_handler(&count_errors);
+  bool abort_on_warning;
+  if (ignore_warnings)
+  {
+    abort_on_warning= in_use->abort_on_warning;
+    in_use->abort_on_warning= false;
+    in_use->push_internal_handler(&warning_handler);
+  }
   /*
     TODO: this may impose memory leak until table flush.
           See comment in
@@ -8633,6 +8649,13 @@ int TABLE::update_virtual_field(Field *vf)
   DBUG_RESTORE_WRITE_SET(vf);
   in_use->restore_active_arena(expr_arena, &backup_arena);
   in_use->pop_internal_handler();
+  if (ignore_warnings)
+  {
+    in_use->abort_on_warning= abort_on_warning;
+    in_use->pop_internal_handler();
+    // This is an internal calculation, we expect it to always succeed
+    DBUG_ASSERT(count_errors.errors == 0);
+  }
   DBUG_RETURN(count_errors.errors);
 }
 

sql/table.h

@@ -1645,7 +1645,7 @@ struct TABLE
 
   uint actual_n_key_parts(KEY *keyinfo);
   ulong actual_key_flags(KEY *keyinfo);
-  int update_virtual_field(Field *vf);
+  int update_virtual_field(Field *vf, bool ignore_warnings);
   int update_virtual_fields(handler *h, enum_vcol_update_mode update_mode);
   int update_default_fields(bool ignore_errors);
   void evaluate_update_default_function();

storage/innobase/handler/ha_innodb.cc

@@ -20790,7 +20790,8 @@ innobase_get_computed_value(
 	TABLE*			mysql_table,
 	byte*			mysql_rec,
 	const dict_table_t*	old_table,
-	const upd_t*		update)
+	const upd_t*		update,
+	bool			ignore_warnings)
 {
 	byte		rec_buf2[REC_VERSION_56_MAX_INDEX_COL_LEN];
 	byte*		buf;
@@ -20888,7 +20889,9 @@ innobase_get_computed_value(
 
 	MY_BITMAP *old_write_set = dbug_tmp_use_all_columns(mysql_table, &mysql_table->write_set);
 	MY_BITMAP *old_read_set = dbug_tmp_use_all_columns(mysql_table, &mysql_table->read_set);
-	ret = mysql_table->update_virtual_field(mysql_table->field[col->m_col.ind]);
+	ret = mysql_table->update_virtual_field(
+		mysql_table->field[col->m_col.ind],
+		ignore_warnings);
 	dbug_tmp_restore_column_map(&mysql_table->read_set, old_read_set);
 	dbug_tmp_restore_column_map(&mysql_table->write_set, old_write_set);
 

storage/innobase/include/row0mysql.h

@@ -921,7 +921,9 @@ void innobase_report_computed_value_failed(dtuple_t *row);
 @param[in]	old_table	during ALTER TABLE, this is the old table
 				or NULL.
 @param[in]	update	update vector for the parent row
-@param[in]	foreign		foreign key information
+@param[in]	ignore_warnings	ignore warnings during calculation. Usually
+				means that a calculation is internal and
+				should have no side effects.
 @return the field filled with computed value */
 dfield_t*
 innobase_get_computed_value(
@@ -934,8 +936,9 @@ innobase_get_computed_value(
 	THD*			thd,
 	TABLE*			mysql_table,
 	byte*			mysql_rec,
-	const dict_table_t*	old_table,
-	const upd_t*		update);
+	const dict_table_t*	old_table=NULL,
+	const upd_t*		update=NULL,
+	bool			ignore_warnings=false);
 
 /** Get the computed value by supplying the base column values.
 @param[in,out]	table		the table whose virtual column

storage/innobase/include/row0upd.h

@@ -190,6 +190,8 @@ the equal ordering fields. NOTE: we compare the fields as binary strings!
 @param[in]	offsets		rec_get_offsets(rec,index), or NULL
 @param[in]	no_sys		skip the system columns
 				DB_TRX_ID and DB_ROLL_PTR
+@param[in]	ignore_warnings ignore warnings during vcol calculation, which
+				means that this calculation is internal only
 @param[in]	trx		transaction (for diagnostics),
 				or NULL
 @param[in]	heap		memory heap from which allocated
@@ -205,11 +207,12 @@ row_upd_build_difference_binary(
 	const rec_t*	rec,
 	const rec_offs*	offsets,
 	bool		no_sys,
+	bool		ignore_warnings,
 	trx_t*		trx,
 	mem_heap_t*	heap,
 	TABLE*		mysql_table,
 	dberr_t*	error)
-	MY_ATTRIBUTE((nonnull(1,2,3,7,9), warn_unused_result));
+	MY_ATTRIBUTE((nonnull(1,2,3,8,10), warn_unused_result));
 /** Apply an update vector to an index entry.
 @param[in,out]	entry	index entry to be updated; the clustered index record
 			must be covered by a lock or a page latch to prevent