executor: fix a bug that global temporary table send cop request (#58882

) (#58979)

close #58875

pkg/executor/builder.go

@@ -3539,6 +3539,10 @@ func buildNoRangeTableReader(b *executorBuilder, v *plannercore.PhysicalTableRea
 		dagReq.OutputOffsets = append(dagReq.OutputOffsets, uint32(i))
 	}
 
+	if e.table.Meta().TempTableType != model.TempTableNone {
+		e.dummy = true
+	}
+
 	return e, nil
 }
 
@@ -3654,10 +3658,6 @@ func (b *executorBuilder) buildTableReader(v *plannercore.PhysicalTableReader) e
 		return nil
 	}
 
-	if ret.table.Meta().TempTableType != model.TempTableNone {
-		ret.dummy = true
-	}
-
 	ret.ranges = ts.Ranges
 	sctx := b.ctx.GetSessionVars().StmtCtx
 	sctx.TableIDs = append(sctx.TableIDs, ts.Table.ID)
@@ -3871,6 +3871,10 @@ func buildNoRangeIndexReader(b *executorBuilder, v *plannercore.PhysicalIndexRea
 		dagReq.OutputOffsets = append(dagReq.OutputOffsets, uint32(col.Index))
 	}
 
+	if e.table.Meta().TempTableType != model.TempTableNone {
+		e.dummy = true
+	}
+
 	return e, nil
 }
 
@@ -3887,10 +3891,6 @@ func (b *executorBuilder) buildIndexReader(v *plannercore.PhysicalIndexReader) e
 		return nil
 	}
 
-	if ret.table.Meta().TempTableType != model.TempTableNone {
-		ret.dummy = true
-	}
-
 	ret.ranges = is.Ranges
 	sctx := b.ctx.GetSessionVars().StmtCtx
 	sctx.IndexNames = append(sctx.IndexNames, is.Table.Name.O+":"+is.Index.Name.O)
@@ -4057,6 +4057,10 @@ func buildNoRangeIndexLookUpReader(b *executorBuilder, v *plannercore.PhysicalIn
 		e.handleCols = v.CommonHandleCols
 		e.primaryKeyIndex = tables.FindPrimaryIndex(tbl.Meta())
 	}
+
+	if e.table.Meta().TempTableType != model.TempTableNone {
+		e.dummy = true
+	}
 	return e, nil
 }
 
@@ -4073,10 +4077,6 @@ func (b *executorBuilder) buildIndexLookUpReader(v *plannercore.PhysicalIndexLoo
 		return nil
 	}
 
-	if ret.table.Meta().TempTableType != model.TempTableNone {
-		ret.dummy = true
-	}
-
 	ts := v.TablePlans[0].(*plannercore.PhysicalTableScan)
 
 	ret.ranges = is.Ranges

pkg/executor/temporary_table_test.go

@@ -16,6 +16,7 @@ package executor_test
 
 import (
 	"context"
+	"strings"
 	"sync"
 	"testing"
 	"time"
@@ -162,3 +163,22 @@ func assertTemporaryTableNoNetwork(t *testing.T, createTable func(*testkit.TestK
 	tk.MustExec("select * from tmp_t where id > 1 for update")
 	tk.MustExec("rollback")
 }
+
+func TestIssue58875(t *testing.T) {
+	store := testkit.CreateMockStore(t)
+	tk := testkit.NewTestKit(t, store)
+
+	tk.MustExec("use test")
+	tk.MustExec("drop table if exists users, users1;")
+	tk.MustExec("CREATE GLOBAL TEMPORARY TABLE users (     id BIGINT,     v1 int,     v2 int,  v3 int, v4 int,   PRIMARY KEY(id), index v1_index(v1,v2,v3) ) ON COMMIT DELETE ROWS;")
+	tk.MustExec("create table users1(id int, value int, index index_value(value));")
+	tk.MustExec("insert into users1 values(1,2);")
+	tk.MustExec("begin;")
+	res := tk.MustQuery("explain analyze select /*+ inl_join(users) */ * from users use index(v1_index) where v1 in (select value from users1);").Rows()
+	for _, row := range res {
+		// if access object contains 'table:users', the execution info should be empty.
+		if strings.Contains(row[4].(string), "table:users") && !strings.Contains(row[4].(string), "table:users1") {
+			require.Len(t, row[5].(string), 0)
+		}
+	}
+}