executor: add a new column is_global into `information_schema.tidb_…

…indexes` table (#53345) close #53342
pingcap · May 17, 2024 · f5ac93e · f5ac93e
1 parent 335af25
commit f5ac93e
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Showing 5 changed files with 37 additions and 5 deletions.
diff --git a/pkg/executor/infoschema_reader.go b/pkg/executor/infoschema_reader.go
@@ -1249,6 +1249,7 @@ func (e *memtableRetriever) setDataFromIndexes(ctx sessionctx.Context, schemas [
 					0,            // INDEX_ID
 					"YES",        // IS_VISIBLE
 					"YES",        // CLUSTERED
+					0,            // IS_GLOBAL
 				)
 				rows = append(rows, record)
 			}
@@ -1294,6 +1295,7 @@ func (e *memtableRetriever) setDataFromIndexes(ctx sessionctx.Context, schemas [
 						idxInfo.ID,      // INDEX_ID
 						visible,         // IS_VISIBLE
 						isClustered,     // CLUSTERED
+						idxInfo.Global,  // IS_GLOBAL
 					)
 					rows = append(rows, record)
 				}

diff --git a/pkg/infoschema/tables.go b/pkg/infoschema/tables.go
@@ -869,6 +869,7 @@ var tableTiDBIndexesCols = []columnInfo{
 	{name: "INDEX_ID", tp: mysql.TypeLonglong, size: 21},
 	{name: "IS_VISIBLE", tp: mysql.TypeVarchar, size: 64},
 	{name: "CLUSTERED", tp: mysql.TypeVarchar, size: 64},
+	{name: "IS_GLOBAL", tp: mysql.TypeLonglong, size: 21},
 }
 
 var slowQueryCols = []columnInfo{

diff --git a/tests/integrationtest/r/explain_easy.result b/tests/integrationtest/r/explain_easy.result
@@ -198,11 +198,11 @@ HashAgg	24000.00	root		group by:Column#10, funcs:firstrow(Column#11)->Column#10
       └─StreamAgg	8000.00	cop[tikv]		group by:explain_easy.t2.c1, 
         └─IndexFullScan	10000.00	cop[tikv]	table:t2, index:c1(c1)	keep order:true, stats:pseudo
 select * from information_schema.tidb_indexes where table_name='t4' and table_schema='explain_easy';
-TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	KEY_NAME	SEQ_IN_INDEX	COLUMN_NAME	SUB_PART	INDEX_COMMENT	Expression	INDEX_ID	IS_VISIBLE	CLUSTERED
-explain_easy	t4	0	PRIMARY	1	a	NULL		NULL	0	YES	YES
-explain_easy	t4	1	idx	1	a	NULL		NULL	1	YES	NO
-explain_easy	t4	1	idx	2	b	NULL		NULL	1	YES	NO
-explain_easy	t4	1	expr_idx	1	NULL	NULL		`a` + `b` + 1	2	YES	NO
+TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	KEY_NAME	SEQ_IN_INDEX	COLUMN_NAME	SUB_PART	INDEX_COMMENT	Expression	INDEX_ID	IS_VISIBLE	CLUSTERED	IS_GLOBAL
+explain_easy	t4	0	PRIMARY	1	a	NULL		NULL	0	YES	YES	0
+explain_easy	t4	1	idx	1	a	NULL		NULL	1	YES	NO	0
+explain_easy	t4	1	idx	2	b	NULL		NULL	1	YES	NO	0
+explain_easy	t4	1	expr_idx	1	NULL	NULL		`a` + `b` + 1	2	YES	NO	0
 explain format = 'brief' select count(1) from (select count(1) from (select * from t1 where c3 = 100) k) k2;
 id	estRows	task	access object	operator info
 StreamAgg	1.00	root		funcs:count(1)->Column#5

diff --git a/tests/integrationtest/r/globalindex/information_schema.result b/tests/integrationtest/r/globalindex/information_schema.result
@@ -0,0 +1,14 @@
+set tidb_enable_global_index=true;
+drop table if exists t;
+CREATE TABLE `t` (
+`a` int(11) DEFAULT NULL,
+`b` int(11) DEFAULT NULL,
+UNIQUE KEY `idx1` (`b`),
+KEY `idx` (`b`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
+PARTITION BY HASH (`a`) PARTITIONS 5;
+select key_name, is_global from information_schema.tidb_indexes where table_name='t' and table_schema='globalindex__information_schema' order by key_name;
+key_name	is_global
+idx	0
+idx1	1
+set tidb_enable_global_index=default;
diff --git a/tests/integrationtest/t/globalindex/information_schema.test b/tests/integrationtest/t/globalindex/information_schema.test
@@ -0,0 +1,15 @@
+set tidb_enable_global_index=true;
+
+drop table if exists t;
+CREATE TABLE `t` (
+  `a` int(11) DEFAULT NULL,
+  `b` int(11) DEFAULT NULL,
+  UNIQUE KEY `idx1` (`b`),
+  KEY `idx` (`b`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
+PARTITION BY HASH (`a`) PARTITIONS 5;
+
+select key_name, is_global from information_schema.tidb_indexes where table_name='t' and table_schema='globalindex__information_schema' order by key_name;
+
+set tidb_enable_global_index=default;
+