executor: Add Global to SHOW INDEX output (#56028)

ref #55452

pkg/ddl/db_change_test.go

@@ -846,7 +846,7 @@ func TestShowIndex(t *testing.T) {
 			}
 			rows := tk.ResultSetToResult(result, fmt.Sprintf("sql:%s", showIndexSQL))
 			got := fmt.Sprintf("%s", rows.Rows())
-			need := fmt.Sprintf("%s", testkit.Rows("t 0 PRIMARY 1 c1 A 0 <nil> <nil>  BTREE   YES <nil> NO"))
+			need := fmt.Sprintf("%s", testkit.Rows("t 0 PRIMARY 1 c1 A 0 <nil> <nil>  BTREE   YES <nil> NO NO"))
 			if got != need {
 				checkErr = fmt.Errorf("need %v, but got %v", need, got)
 			}
@@ -857,8 +857,8 @@ func TestShowIndex(t *testing.T) {
 	require.NoError(t, checkErr)
 
 	tk.MustQuery(showIndexSQL).Check(testkit.Rows(
-		"t 0 PRIMARY 1 c1 A 0 <nil> <nil>  BTREE   YES <nil> NO",
-		"t 1 c2 1 c2 A 0 <nil> <nil> YES BTREE   YES <nil> NO",
+		"t 0 PRIMARY 1 c1 A 0 <nil> <nil>  BTREE   YES <nil> NO NO",
+		"t 1 c2 1 c2 A 0 <nil> <nil> YES BTREE   YES <nil> NO NO",
 	))
 	testfailpoint.Disable(t, "github.com/pingcap/tidb/pkg/ddl/onJobUpdated")
 
@@ -875,26 +875,26 @@ func TestShowIndex(t *testing.T) {
     	partition p5 values less than (2015)
    	);`)
 	tk.MustExec("create index idx1 on tr (purchased);")
-	tk.MustQuery("show index from tr;").Check(testkit.Rows("tr 1 idx1 1 purchased A 0 <nil> <nil> YES BTREE   YES <nil> NO"))
+	tk.MustQuery("show index from tr;").Check(testkit.Rows("tr 1 idx1 1 purchased A 0 <nil> <nil> YES BTREE   YES <nil> NO NO"))
 
 	tk.MustExec("drop table if exists tr")
 	tk.MustExec("create table tr(id int primary key clustered, v int, key vv(v))")
-	tk.MustQuery("show index from tr").Check(testkit.Rows("tr 0 PRIMARY 1 id A 0 <nil> <nil>  BTREE   YES <nil> YES", "tr 1 vv 1 v A 0 <nil> <nil> YES BTREE   YES <nil> NO"))
+	tk.MustQuery("show index from tr").Check(testkit.Rows("tr 0 PRIMARY 1 id A 0 <nil> <nil>  BTREE   YES <nil> YES NO", "tr 1 vv 1 v A 0 <nil> <nil> YES BTREE   YES <nil> NO NO"))
 	tk.MustQuery("select key_name, clustered from information_schema.tidb_indexes where table_name = 'tr' order by key_name").Check(testkit.Rows("PRIMARY YES", "vv NO"))
 
 	tk.MustExec("drop table if exists tr")
 	tk.MustExec("create table tr(id int primary key nonclustered, v int, key vv(v))")
-	tk.MustQuery("show index from tr").Check(testkit.Rows("tr 1 vv 1 v A 0 <nil> <nil> YES BTREE   YES <nil> NO", "tr 0 PRIMARY 1 id A 0 <nil> <nil>  BTREE   YES <nil> NO"))
+	tk.MustQuery("show index from tr").Check(testkit.Rows("tr 1 vv 1 v A 0 <nil> <nil> YES BTREE   YES <nil> NO NO", "tr 0 PRIMARY 1 id A 0 <nil> <nil>  BTREE   YES <nil> NO NO"))
 	tk.MustQuery("select key_name, clustered from information_schema.tidb_indexes where table_name = 'tr' order by key_name").Check(testkit.Rows("PRIMARY NO", "vv NO"))
 
 	tk.MustExec("drop table if exists tr")
 	tk.MustExec("create table tr(id char(100) primary key clustered, v int, key vv(v))")
-	tk.MustQuery("show index from tr").Check(testkit.Rows("tr 1 vv 1 v A 0 <nil> <nil> YES BTREE   YES <nil> NO", "tr 0 PRIMARY 1 id A 0 <nil> <nil>  BTREE   YES <nil> YES"))
+	tk.MustQuery("show index from tr").Check(testkit.Rows("tr 1 vv 1 v A 0 <nil> <nil> YES BTREE   YES <nil> NO NO", "tr 0 PRIMARY 1 id A 0 <nil> <nil>  BTREE   YES <nil> YES NO"))
 	tk.MustQuery("select key_name, clustered from information_schema.tidb_indexes where table_name = 'tr' order by key_name").Check(testkit.Rows("PRIMARY YES", "vv NO"))
 
 	tk.MustExec("drop table if exists tr")
 	tk.MustExec("create table tr(id char(100) primary key nonclustered, v int, key vv(v))")
-	tk.MustQuery("show index from tr").Check(testkit.Rows("tr 1 vv 1 v A 0 <nil> <nil> YES BTREE   YES <nil> NO", "tr 0 PRIMARY 1 id A 0 <nil> <nil>  BTREE   YES <nil> NO"))
+	tk.MustQuery("show index from tr").Check(testkit.Rows("tr 1 vv 1 v A 0 <nil> <nil> YES BTREE   YES <nil> NO NO", "tr 0 PRIMARY 1 id A 0 <nil> <nil>  BTREE   YES <nil> NO NO"))
 	tk.MustQuery("select key_name, clustered from information_schema.tidb_indexes where table_name = 'tr' order by key_name").Check(testkit.Rows("PRIMARY NO", "vv NO"))
 }
 

pkg/executor/show.go

@@ -822,6 +822,7 @@ func (e *ShowExec) fetchShowIndex() error {
 			"YES",            // Index_visible
 			nil,              // Expression
 			"YES",            // Clustered
+			"NO",             // Global_index
 		})
 	}
 	for _, idx := range tb.Indices() {
@@ -833,6 +834,12 @@ func (e *ShowExec) fetchShowIndex() error {
 		if tb.Meta().IsCommonHandle && idxInfo.Primary {
 			isClustered = "YES"
 		}
+
+		isGlobalIndex := "NO"
+		if idxInfo.Global {
+			isGlobalIndex = "YES"
+		}
+
 		for i, col := range idxInfo.Columns {
 			nonUniq := 1
 			if idx.Meta().Unique {
@@ -885,6 +892,7 @@ func (e *ShowExec) fetchShowIndex() error {
 				visible,                // Index_visible
 				expression,             // Expression
 				isClustered,            // Clustered
+				isGlobalIndex,          // Global_index
 			})
 		}
 	}

pkg/executor/show_test.go

@@ -97,3 +97,30 @@ func TestShow(t *testing.T) {
 	tk.MustExec("create global temporary table test.t2(id int) ON COMMIT DELETE ROWS;")
 	tk.MustQuery("show tables from test like 't2';").Check(testkit.Rows("t2"))
 }
+
+func TestShowIndex(t *testing.T) {
+	store := testkit.CreateMockStore(t)
+	tk := testkit.NewTestKit(t, store)
+
+	tk.MustExec("use test")
+	tk.MustExec("create table t(id int, abclmn int);")
+
+	tk.MustExec("create index idx on t(abclmn);")
+	tk.MustQuery("show index from t").Check(testkit.Rows("t 1 idx 1 abclmn A 0 <nil> <nil> YES BTREE   YES <nil> NO NO"))
+}
+
+func TestShowIndexWithGlobalIndex(t *testing.T) {
+	store := testkit.CreateMockStore(t)
+	tk := testkit.NewTestKit(t, store)
+
+	tk.MustExec("use test")
+	tk.MustExec("set tidb_enable_global_index=true;")
+
+	defer tk.MustExec("set tidb_enable_global_index=false;")
+
+	tk.MustExec("create table test_t1 (a int, b int) partition by range (b) (partition p0 values less than (10),  partition p1 values less than (maxvalue));")
+
+	tk.MustExec("insert test_t1 values (1, 1);")
+	tk.MustExec("alter table test_t1 add unique index p_a (a) GLOBAL;")
+	tk.MustQuery("show index from test_t1").Check(testkit.Rows("test_t1 0 p_a 1 a A 0 <nil> <nil> YES BTREE   YES <nil> NO YES"))
+}

pkg/executor/test/seqtest/seq_executor_test.go

@@ -270,18 +270,18 @@ func TestShow(t *testing.T) {
 	tk.MustExec(`create index expr_idx on show_index ((id*2+1))`)
 	testSQL = "SHOW index from show_index;"
 	tk.MustQuery(testSQL).Check(testkit.RowsWithSep("|",
-		"show_index|0|PRIMARY|1|id|A|0|<nil>|<nil>||BTREE| |YES|<nil>|YES",
-		"show_index|1|cIdx|1|c|A|0|<nil>|<nil>|YES|HASH||index_comment_for_cIdx|YES|<nil>|NO",
-		"show_index|1|idx1|1|id|A|0|<nil>|<nil>||HASH| |YES|<nil>|NO",
-		"show_index|1|idx2|1|id|A|0|<nil>|<nil>||BTREE||idx|YES|<nil>|NO",
-		"show_index|1|idx3|1|id|A|0|<nil>|<nil>||HASH||idx|YES|<nil>|NO",
-		"show_index|1|idx4|1|id|A|0|<nil>|<nil>||BTREE||idx|YES|<nil>|NO",
-		"show_index|1|idx5|1|id|A|0|<nil>|<nil>||BTREE||idx|YES|<nil>|NO",
-		"show_index|1|idx6|1|id|A|0|<nil>|<nil>||HASH| |YES|<nil>|NO",
-		"show_index|1|idx7|1|id|A|0|<nil>|<nil>||BTREE| |YES|<nil>|NO",
-		"show_index|1|idx8|1|id|A|0|<nil>|<nil>||BTREE| |YES|<nil>|NO",
-		"show_index|1|idx9|1|id|A|0|<nil>|<nil>||BTREE| |NO|<nil>|NO",
-		"show_index|1|expr_idx|1|NULL|A|0|<nil>|<nil>||BTREE| |YES|`id` * 2 + 1|NO",
+		"show_index|0|PRIMARY|1|id|A|0|<nil>|<nil>||BTREE| |YES|<nil>|YES|NO",
+		"show_index|1|cIdx|1|c|A|0|<nil>|<nil>|YES|HASH||index_comment_for_cIdx|YES|<nil>|NO|NO",
+		"show_index|1|idx1|1|id|A|0|<nil>|<nil>||HASH| |YES|<nil>|NO|NO",
+		"show_index|1|idx2|1|id|A|0|<nil>|<nil>||BTREE||idx|YES|<nil>|NO|NO",
+		"show_index|1|idx3|1|id|A|0|<nil>|<nil>||HASH||idx|YES|<nil>|NO|NO",
+		"show_index|1|idx4|1|id|A|0|<nil>|<nil>||BTREE||idx|YES|<nil>|NO|NO",
+		"show_index|1|idx5|1|id|A|0|<nil>|<nil>||BTREE||idx|YES|<nil>|NO|NO",
+		"show_index|1|idx6|1|id|A|0|<nil>|<nil>||HASH| |YES|<nil>|NO|NO",
+		"show_index|1|idx7|1|id|A|0|<nil>|<nil>||BTREE| |YES|<nil>|NO|NO",
+		"show_index|1|idx8|1|id|A|0|<nil>|<nil>||BTREE| |YES|<nil>|NO|NO",
+		"show_index|1|idx9|1|id|A|0|<nil>|<nil>||BTREE| |NO|<nil>|NO|NO",
+		"show_index|1|expr_idx|1|NULL|A|0|<nil>|<nil>||BTREE| |YES|`id` * 2 + 1|NO|NO",
 	))
 
 	// For show like with escape

pkg/planner/core/planbuilder.go

@@ -5497,11 +5497,11 @@ func buildShowSchema(s *ast.ShowStmt, isView bool, isSequence bool) (schema *exp
 	case ast.ShowIndex:
 		names = []string{"Table", "Non_unique", "Key_name", "Seq_in_index",
 			"Column_name", "Collation", "Cardinality", "Sub_part", "Packed",
-			"Null", "Index_type", "Comment", "Index_comment", "Visible", "Expression", "Clustered"}
+			"Null", "Index_type", "Comment", "Index_comment", "Visible", "Expression", "Clustered", "Global"}
 		ftypes = []byte{mysql.TypeVarchar, mysql.TypeLonglong, mysql.TypeVarchar, mysql.TypeLonglong,
 			mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeLonglong, mysql.TypeLonglong,
 			mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeVarchar,
-			mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeVarchar}
+			mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeVarchar}
 	case ast.ShowPlugins:
 		names = []string{"Name", "Status", "Type", "Library", "License", "Version"}
 		ftypes = []byte{

tests/integrationtest/r/ddl/multi_schema_change.result

@@ -172,22 +172,22 @@ create table t (a int, b int, c int);
 alter table t add index t(a), add index t(b);
 Error 8200 (HY000): Unsupported operate same index 't'
 show index from t;
-Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered	Global
 drop table if exists t;
 create table t (a int, b int, c int);
 alter table t add index t(a), drop column a;
 Error 8200 (HY000): Unsupported operate same column 'a'
 alter table t add index t(a, b), drop column a;
 Error 8200 (HY000): Unsupported operate same column 'a'
 show index from t;
-Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered	Global
 drop table if exists t;
 create table t (a int, b int, c int);
 insert into t values (1, 1, 1), (2, 2, 2), (3, 3, 1);
 alter table t add unique index i1(a), add unique index i2(a, b), add unique index i3(c);
 Error 1062 (23000): Duplicate entry '1' for key 't.i3'
 show index from t;
-Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered	Global
 alter table t add index i1(a), add index i2(a, b), add index i3(c);
 drop table if exists t;
 create table t (a int, b int, c int, index t(a));

tests/integrationtest/r/ddl/primary_key_handle.result

@@ -312,5 +312,5 @@ a	b
 alter table t6 drop primary key;
 Error 3522 (HY000): A primary key index cannot be invisible
 show index from t6 where Key_name='PRIMARY';
-Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered
-t6	0	PRIMARY	1	b	A	0	NULL	NULL		BTREE			YES	NULL	NO
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered	Global
+t6	0	PRIMARY	1	b	A	0	NULL	NULL		BTREE			YES	NULL	NO	NO

tests/integrationtest/r/executor/executor.result

@@ -3158,11 +3158,11 @@ InnoDB	DEFAULT	Supports transactions, row-level locking, and foreign keys	YES	YE
 drop table if exists t;
 create table t(a int primary key);
 show index in t;
-Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered
-t	0	PRIMARY	1	a	A	0	NULL	NULL		BTREE			YES	NULL	YES
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered	Global
+t	0	PRIMARY	1	a	A	0	NULL	NULL		BTREE			YES	NULL	YES	NO
 show index from t;
-Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered
-t	0	PRIMARY	1	a	A	0	NULL	NULL		BTREE			YES	NULL	YES
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered	Global
+t	0	PRIMARY	1	a	A	0	NULL	NULL		BTREE			YES	NULL	YES	NO
 show master status;
 File	Position	Binlog_Do_DB	Binlog_Ignore_DB	Executed_Gtid_Set
 tidb-binlog	0			

tests/integrationtest/r/executor/show.result

@@ -88,21 +88,21 @@ t	CREATE TABLE `t` (
 drop table if exists t2;
 CREATE TABLE t2(a int primary key, b int unique, c int not null, unique index (c));
 SHOW INDEX IN t2;
-Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered
-t2	0	PRIMARY	1	a	A	0	NULL	NULL		BTREE			YES	NULL	YES
-t2	0	c	1	c	A	0	NULL	NULL		BTREE			YES	NULL	NO
-t2	0	b	1	b	A	0	NULL	NULL	YES	BTREE			YES	NULL	NO
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered	Global
+t2	0	PRIMARY	1	a	A	0	NULL	NULL		BTREE			YES	NULL	YES	NO
+t2	0	c	1	c	A	0	NULL	NULL		BTREE			YES	NULL	NO	NO
+t2	0	b	1	b	A	0	NULL	NULL	YES	BTREE			YES	NULL	NO	NO
 CREATE INDEX t2_b_c_index ON t2 (b, c);
 CREATE INDEX t2_c_b_index ON t2 (c, b);
 SHOW INDEX IN t2;
-Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered
-t2	0	PRIMARY	1	a	A	0	NULL	NULL		BTREE			YES	NULL	YES
-t2	0	c	1	c	A	0	NULL	NULL		BTREE			YES	NULL	NO
-t2	0	b	1	b	A	0	NULL	NULL	YES	BTREE			YES	NULL	NO
-t2	1	t2_b_c_index	1	b	A	0	NULL	NULL	YES	BTREE			YES	NULL	NO
-t2	1	t2_b_c_index	2	c	A	0	NULL	NULL		BTREE			YES	NULL	NO
-t2	1	t2_c_b_index	1	c	A	0	NULL	NULL		BTREE			YES	NULL	NO
-t2	1	t2_c_b_index	2	b	A	0	NULL	NULL	YES	BTREE			YES	NULL	NO
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered	Global
+t2	0	PRIMARY	1	a	A	0	NULL	NULL		BTREE			YES	NULL	YES	NO
+t2	0	c	1	c	A	0	NULL	NULL		BTREE			YES	NULL	NO	NO
+t2	0	b	1	b	A	0	NULL	NULL	YES	BTREE			YES	NULL	NO	NO
+t2	1	t2_b_c_index	1	b	A	0	NULL	NULL	YES	BTREE			YES	NULL	NO	NO
+t2	1	t2_b_c_index	2	c	A	0	NULL	NULL		BTREE			YES	NULL	NO	NO
+t2	1	t2_c_b_index	1	c	A	0	NULL	NULL		BTREE			YES	NULL	NO	NO
+t2	1	t2_c_b_index	2	b	A	0	NULL	NULL	YES	BTREE			YES	NULL	NO	NO
 drop table if exists test1;
 CREATE TABLE `test1` (`id` int(0) NOT NULL,`num` int(0) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
 create or replace view test1_v as(select id,row_number() over (partition by num) from test1);
@@ -895,9 +895,9 @@ xor
 year
 yearweek
 SHOW INDEX FROM performance_schema.events_statements_summary_by_digest;
-Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered
-events_statements_summary_by_digest	0	SCHEMA_NAME	1	SCHEMA_NAME	A	0	NULL	NULL	YES	BTREE			YES	NULL	NO
-events_statements_summary_by_digest	0	SCHEMA_NAME	2	DIGEST	A	0	NULL	NULL	YES	BTREE			YES	NULL	NO
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Visible	Expression	Clustered	Global
+events_statements_summary_by_digest	0	SCHEMA_NAME	1	SCHEMA_NAME	A	0	NULL	NULL	YES	BTREE			YES	NULL	NO	NO
+events_statements_summary_by_digest	0	SCHEMA_NAME	2	DIGEST	A	0	NULL	NULL	YES	BTREE			YES	NULL	NO	NO
 drop table if exists t1, t3, t4, t5, t6, t7;
 create global temporary table t1 (id int) on commit delete rows;
 create global temporary table t3 (i int primary key, j int) on commit delete rows;