Merge 10.1 into 10.2

.clang-format

-SpaceBeforeAssignmentOperators: false
-SpaceAfterCStyleCast: true
-
-BreakBeforeBraces: Custom
+---
+Language:        Cpp
+AccessModifierOffset: -2
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlines: Right
+AlignOperands:   true
+AlignTrailingComments: true
+AllowAllArgumentsOnNextLine: true
+AllowAllConstructorInitializersOnNextLine: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AllowShortLambdasOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: Never
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: MultiLine
+BinPackArguments: true
+BinPackParameters: true
 BraceWrapping:
-  AfterClass: true
+  AfterCaseLabel:  true
+  AfterClass:      true
   AfterControlStatement: true
-  AfterEnum: true
-  AfterFunction: true
-  AfterNamespace: true
-  AfterStruct: true
-  AfterUnion: true
+  AfterEnum:       true
+  AfterFunction:   true
+  AfterNamespace:  true
+  AfterStruct:     true
+  AfterUnion:      true
   AfterExternBlock: true
-  BeforeCatch: true
-  BeforeElse: true
+  BeforeCatch:     true
+  BeforeElse:      true
+  IndentBraces:    false
   SplitEmptyFunction: true
   SplitEmptyRecord: true
   SplitEmptyNamespace: true
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Custom
+BreakBeforeInheritanceComma: false
+BreakInheritanceList: BeforeColon
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BreakConstructorInitializers: BeforeColon
+BreakStringLiterals: true
+ColumnLimit:     79
+CommentPragmas:  '^ IWYU pragma:'
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat:   false
+ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: true
+ForEachMacros:
+  - foreach
+  - Q_FOREACH
+  - BOOST_FOREACH
+IncludeBlocks:   Preserve
+IncludeCategories:
+  - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
+    Priority:        2
+  - Regex:           '^(<|"(gtest|gmock|isl|json)/)'
+    Priority:        3
+  - Regex:           '.*'
+    Priority:        1
+IncludeIsMainRegex: '(Test)?$'
+IndentCaseLabels: false
+IndentPPDirectives: None
+IndentWidth:     2
+IndentWrappedFunctionNames: false
+KeepEmptyLinesAtTheStartOfBlocks: true
+Language: Cpp
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+PenaltyBreakAssignment: 2
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyBreakTemplateDeclaration: 10
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 60
+PointerAlignment: Right
+ReflowComments:  true
+SortIncludes:    true
+SortUsingDeclarations: true
+SpaceAfterCStyleCast: true
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: true
+SpaceBeforeAssignmentOperators: false
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles:  false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard:        Cpp11
+StatementMacros:
+  - Q_UNUSED
+  - QT_REQUIRE_VERSION
+TabWidth:        8
+UseTab:          Never
+...

mysql-test/lib/mtr_report.pm

@@ -36,6 +36,21 @@ use POSIX qw[ _exit ];
 use IO::Handle qw[ flush ];
 use mtr_results;
 
+use Term::ANSIColor;
+
+my %color_map = qw/pass green
+                   retry-pass green
+                   fail red
+                   retry-fail red
+                   disabled bright_black
+                   skipped yellow
+                   reset reset/;
+sub xterm_color {
+  if (-t STDOUT and defined $ENV{TERM} and $ENV{TERM} =~ /xterm/) {
+    syswrite STDOUT, color($color_map{$_[0]});
+  }
+}
+
 my $tot_real_time= 0;
 
 our $timestamp= 0;
@@ -498,7 +513,16 @@ sub mtr_print (@) {
 sub mtr_report (@) {
   if (defined $verbose)
   {
-    print _name(). join(" ", @_). "\n";
+    my @s = split /\[ (\S+) \]/, _name() . "@_\n";
+    if (@s > 1) {
+      print $s[0];
+      xterm_color($s[1]);
+      print "[ $s[1] ]";
+      xterm_color('reset');
+      print $s[2];
+    } else {
+      print $s[0];
+    }
   }
 }
 

mysql-test/r/join_outer.result

@@ -2510,6 +2510,40 @@ WHERE tb1.pk = 40
 ORDER BY tb1.i1;
 v2
 DROP TABLE t1,t2;
+#
+# MDEV-19790 : IS NOT TRUE / IS NOT FALSE predicates over
+#              inner tables of outer joins
+#
+create table t1 (a int);
+create table t2 (b int);
+insert into t1 values (3), (7), (1);
+insert into t2 values (7), (4), (3);
+select * from t1 left join t2 on a=b;
+a	b
+3	3
+7	7
+1	NULL
+select * from t1 left join t2 on a=b where (b > 3) is not true;
+a	b
+3	3
+1	NULL
+explain extended select * from t1 left join t2 on a=b where (b > 3) is not true;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`b` = `test`.`t1`.`a`) where `test`.`t2`.`b` > 3 is not true
+select * from t1 left join t2 on a=b where (b > 3) is not false;
+a	b
+7	7
+1	NULL
+explain extended select * from t1 left join t2 on a=b where (b > 3) is not false;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`b` = `test`.`t1`.`a`) where `test`.`t2`.`b` > 3 is not false
+drop table t1,t2;
 # end of 5.5 tests
 #
 # MDEV-19258: chained right joins all converted to inner joins

mysql-test/r/join_outer_jcl6.result

@@ -2521,6 +2521,40 @@ WHERE tb1.pk = 40
 ORDER BY tb1.i1;
 v2
 DROP TABLE t1,t2;
+#
+# MDEV-19790 : IS NOT TRUE / IS NOT FALSE predicates over
+#              inner tables of outer joins
+#
+create table t1 (a int);
+create table t2 (b int);
+insert into t1 values (3), (7), (1);
+insert into t2 values (7), (4), (3);
+select * from t1 left join t2 on a=b;
+a	b
+7	7
+3	3
+1	NULL
+select * from t1 left join t2 on a=b where (b > 3) is not true;
+a	b
+3	3
+1	NULL
+explain extended select * from t1 left join t2 on a=b where (b > 3) is not true;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using join buffer (flat, BNL join)
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`b` = `test`.`t1`.`a`) where `test`.`t2`.`b` > 3 is not true
+select * from t1 left join t2 on a=b where (b > 3) is not false;
+a	b
+7	7
+1	NULL
+explain extended select * from t1 left join t2 on a=b where (b > 3) is not false;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using join buffer (flat, BNL join)
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`b` = `test`.`t1`.`a`) where `test`.`t2`.`b` > 3 is not false
+drop table t1,t2;
 # end of 5.5 tests
 #
 # MDEV-19258: chained right joins all converted to inner joins

mysql-test/t/join_outer.test

@@ -2040,6 +2040,29 @@ ORDER BY tb1.i1;
 
 DROP TABLE t1,t2;
 
+--echo #
+--echo # MDEV-19790 : IS NOT TRUE / IS NOT FALSE predicates over
+--echo #              inner tables of outer joins
+--echo #
+
+create table t1 (a int);
+create table t2 (b int);
+insert into t1 values (3), (7), (1);
+insert into t2 values (7), (4), (3);
+select * from t1 left join t2 on a=b;
+
+let $q=
+select * from t1 left join t2 on a=b where (b > 3) is not true;
+eval $q;
+eval explain extended $q;
+
+let $q=
+select * from t1 left join t2 on a=b where (b > 3) is not false;
+eval $q;
+eval explain extended $q;
+
+drop table t1,t2;
+
 --echo # end of 5.5 tests
 
 --echo #

plugin/disks/information_schema_disks.cc

@@ -19,6 +19,7 @@
 #include <mntent.h>
 #include <sql_class.h>
 #include <table.h>
+#include <sql_acl.h>                            /* check_global_access() */
 
 bool schema_table_store_record(THD *thd, TABLE *table);
 
@@ -83,6 +84,9 @@ int disks_fill_table(THD* pThd, TABLE_LIST* pTables, Item* pCond)
     int rv = 1;
     TABLE* pTable = pTables->table;
 
+    if (check_global_access(pThd, FILE_ACL, true))
+      return 0;
+
     FILE* pFile = setmntent("/etc/mtab", "r");
 
     if (pFile)
@@ -144,11 +148,11 @@ maria_declare_plugin(disks)
     PLUGIN_LICENSE_GPL,                /* license type */
     disks_table_init,                  /* init function */
     NULL,                              /* deinit function */
-    0x0100,                            /* version = 1.0 */
+    0x0101,                            /* version = 1.1 */
     NULL,                              /* no status variables */
     NULL,                              /* no system variables */
-    "1.0",                             /* String version representation */
-    MariaDB_PLUGIN_MATURITY_BETA       /* Maturity (see include/mysql/plugin.h)*/
+    "1.1",                             /* String version representation */
+    MariaDB_PLUGIN_MATURITY_STABLE     /* Maturity (see include/mysql/plugin.h)*/
 }
 mysql_declare_plugin_end;
 

plugin/disks/mysql-test/disks/disks_notembedded.result

+#
+# MDEV-18328: Make DISKS plugin check some privilege to access
+# information_schema.DISKS table
+#
+CREATE USER user1@localhost;
+GRANT SELECT ON *.* TO user1@localhost;
+connect  con1,localhost,user1,,;
+connection con1;
+select sum(Total) > sum(Available), sum(Total)>sum(Used) from information_schema.disks;
+sum(Total) > sum(Available)	sum(Total)>sum(Used)
+NULL	NULL
+disconnect con1;
+connection default;
+GRANT FILE ON *.* TO user1@localhost;
+connect  con1,localhost,user1,,;
+connection con1;
+select sum(Total) > sum(Available), sum(Total)>sum(Used) from information_schema.disks;
+sum(Total) > sum(Available)	sum(Total)>sum(Used)
+1	1
+connection default;
+DROP USER user1@localhost;
+# End of 10.1 tests

plugin/disks/mysql-test/disks/disks_notembedded.test

+source include/not_embedded.inc;
+
+--echo #
+--echo # MDEV-18328: Make DISKS plugin check some privilege to access
+--echo # information_schema.DISKS table
+--echo #
+
+CREATE USER user1@localhost;
+GRANT SELECT ON *.* TO user1@localhost;
+
+connect (con1,localhost,user1,,);
+connection con1;
+select sum(Total) > sum(Available), sum(Total)>sum(Used) from information_schema.disks;
+disconnect con1;
+
+connection default;
+GRANT FILE ON *.* TO user1@localhost;
+
+connect (con1,localhost,user1,,);
+connection con1;
+select sum(Total) > sum(Available), sum(Total)>sum(Used) from information_schema.disks;
+connection default;
+DROP USER user1@localhost;
+
+--echo # End of 10.1 tests

sql/item_cmpfunc.h

@@ -268,6 +268,8 @@ class Item_func_isnottrue : public Item_func_truth
   virtual const char* func_name() const { return "isnottrue"; }
   Item *get_copy(THD *thd, MEM_ROOT *mem_root)
   { return get_item_copy<Item_func_isnottrue>(thd, mem_root, this); }
+  bool eval_not_null_tables(void *opt_arg)
+  { not_null_tables_cache= 0; return false; }
 };
 
 
@@ -299,6 +301,8 @@ class Item_func_isnotfalse : public Item_func_truth
   virtual const char* func_name() const { return "isnotfalse"; }
   Item *get_copy(THD *thd, MEM_ROOT *mem_root)
   { return get_item_copy<Item_func_isnotfalse>(thd, mem_root, this); }
+  bool eval_not_null_tables(void *opt_arg)
+  { not_null_tables_cache= 0; return false; }
 };
 
 

sql/sql_audit.cc

@@ -118,11 +118,26 @@ void mysql_audit_acquire_plugins(THD *thd, ulong *event_class_mask)
   {
     plugin_foreach(thd, acquire_plugins, MYSQL_AUDIT_PLUGIN, event_class_mask);
     add_audit_mask(thd->audit_class_mask, event_class_mask);
+    thd->audit_plugin_version= global_plugin_version;
   }
   DBUG_VOID_RETURN;
 }
 
 
+/**
+  Check if there were changes in the state of plugins
+  so we need to do the mysql_audit_release asap.
+
+  @param[in] thd
+
+*/
+
+my_bool mysql_audit_release_required(THD *thd)
+{
+  return thd && (thd->audit_plugin_version != global_plugin_version);
+}
+
+
 /**
   Release any resources associated with the current thd.
   
@@ -158,6 +173,7 @@ void mysql_audit_release(THD *thd)
   /* Reset the state of thread values */
   reset_dynamic(&thd->audit_class_plugins);
   bzero(thd->audit_class_mask, sizeof(thd->audit_class_mask));
+  thd->audit_plugin_version= -1;
 }
 
 

sql/sql_audit.h

@@ -60,6 +60,7 @@ static inline void mysql_audit_notify(THD *thd, uint event_class,
 #define mysql_audit_connection_enabled() 0
 #define mysql_audit_table_enabled() 0
 #endif
+extern my_bool mysql_audit_release_required(THD *thd);
 extern void mysql_audit_release(THD *thd);
 
 static inline unsigned int strlen_uint(const char *s)

sql/sql_class.cc

@@ -628,6 +628,9 @@ THD::THD(my_thread_id id, bool is_wsrep_applier)
    waiting_on_group_commit(FALSE), has_waiter(FALSE),
    spcont(NULL),
    m_parser_state(NULL),
+#ifndef EMBEDDED_LIBRARY
+   audit_plugin_version(-1),
+#endif
 #if defined(ENABLED_DEBUG_SYNC)
    debug_sync_control(0),
 #endif /* defined(ENABLED_DEBUG_SYNC) */

sql/sql_class.h

@@ -3163,6 +3163,7 @@ class THD :public Statement,
     added to the list of audit plugins which are currently in use.
   */
   unsigned long audit_class_mask[MYSQL_AUDIT_CLASS_MASK_SIZE];
+  int audit_plugin_version;
 #endif
 
 #if defined(ENABLED_DEBUG_SYNC)

sql/sql_connect.cc

@@ -1331,7 +1331,8 @@ void do_handle_one_connection(CONNECT *connect)
 
     while (thd_is_connection_alive(thd))
     {
-      mysql_audit_release(thd);
+      if (mysql_audit_release_required(thd))
+        mysql_audit_release(thd);
       if (do_command(thd))
 	break;
     }

sql/sql_plugin.cc

@@ -228,6 +228,7 @@ static DYNAMIC_ARRAY plugin_array;
 static HASH plugin_hash[MYSQL_MAX_PLUGIN_TYPE_NUM];
 static MEM_ROOT plugin_mem_root;
 static bool reap_needed= false;
+volatile int global_plugin_version= 1;
 
 static bool initialized= 0;
 ulong dlopen_count;
@@ -2193,6 +2194,7 @@ bool mysql_install_plugin(THD *thd, const LEX_STRING *name,
     reap_plugins();
   }
 err:
+  global_plugin_version++;
   mysql_mutex_unlock(&LOCK_plugin);
   if (argv)
     free_defaults(argv);
@@ -2340,6 +2342,7 @@ bool mysql_uninstall_plugin(THD *thd, const LEX_STRING *name,
   }
   reap_plugins();
 
+  global_plugin_version++;
   mysql_mutex_unlock(&LOCK_plugin);
   DBUG_RETURN(error);
 

sql/sql_plugin.h

@@ -37,6 +37,7 @@ enum enum_plugin_load_option { PLUGIN_OFF, PLUGIN_ON, PLUGIN_FORCE,
   PLUGIN_FORCE_PLUS_PERMANENT };
 extern const char *global_plugin_typelib_names[];
 
+extern volatile int global_plugin_version;
 extern ulong dlopen_count;
 
 #include <my_sys.h>

sql/threadpool_common.cc

@@ -361,7 +361,8 @@ static int threadpool_process_request(THD *thd)
   {
     Vio *vio;
     thd->net.reading_or_writing= 0;
-    mysql_audit_release(thd);
+    if (mysql_audit_release_required(thd))
+      mysql_audit_release(thd);
 
     if ((retval= do_command(thd)) != 0)
       goto end;

storage/innobase/.clang-format

-UseTab: Always
-TabWidth: 8
-IndentWidth: 8
-BreakBeforeBinaryOperators: All
-PointerAlignment: Left
-AlwaysBreakAfterReturnType: TopLevel
-BreakBeforeBraces: Custom
-BraceWrapping:
-  AfterFunction: true
-AccessModifierOffset: -8