test maybe

Signed-off-by: Weizhen Wang <[email protected]>

Author: hawkingrei

pkg/planner/core/explain.go

@@ -722,7 +722,7 @@ func (p *PhysicalMergeJoin) explainInfo(normalized bool) string {
 		if normalized {
 			fmt.Fprintf(buffer, ", left cond:%s", expression.SortedExplainNormalizedExpressionList(p.LeftConditions))
 		} else {
-			fmt.Fprintf(buffer, ", left cond:%s", p.LeftConditions)
+			fmt.Fprintf(buffer, ", left cond:%s", sortedExplainExpressionList(evalCtx, p.LeftConditions))
 		}
 	}
 	if len(p.RightConditions) > 0 {

pkg/planner/core/tests/redact/redact_test.go

@@ -40,8 +40,6 @@ func TestRedactExplain(t *testing.T) {
 	// tidb_redact_log=MARKER
 	// ---------------------------------------------------------------------------
 	tk.MustExec("set session tidb_redact_log=MARKER")
-	// join
-	tk.MustQuery("explain select /*+ INL_JOIN(t2,t1) */      count(*) from t2 join t1 on t2.b = t1.b where t2.a in (1,2) and t1.a in (1,6) and t1.b in (1,6)").Check(testkit.Rows())
 	// in multi-value
 	tk.MustQuery("explain select 1 from t left join tlist on tlist.a=t.a where t.a in (12, 13)").
 		Check(testkit.Rows(
@@ -206,3 +204,24 @@ func TestRedactForRangeInfo(t *testing.T) {
 			"  └─TableRowIDScan_9(Probe) 37.46 cop[tikv] table:t2 keep order:false, stats:pseudo",
 		))
 }
+
+func TestJoinNotSupportedByTiFlash(t *testing.T) {
+	store := testkit.CreateMockStore(t)
+
+	tk := testkit.NewTestKit(t, store)
+	tk.MustExec("use test")
+	tk.MustExec("drop table if exists table_1")
+	tk.MustExec("create table table_1(id int not null, bit_col bit(2) not null, datetime_col datetime not null, index idx(id, bit_col, datetime_col))")
+	tk.MustExec("insert into table_1 values(1,b'1','2020-01-01 00:00:00'),(2,b'0','2020-01-01 00:00:00')")
+	tk.MustExec("analyze table table_1")
+
+	tk.MustExec("insert into mysql.expr_pushdown_blacklist values('dayofmonth', 'tiflash', '');")
+	tk.MustExec("admin reload expr_pushdown_blacklist;")
+	tk.MustExec("set session tidb_redact_log=ON")
+	tk.MustQuery("explain format = 'brief' select * from table_1 a left join table_1 b on a.id = b.id and dayofmonth(a.datetime_col) > 100").Check(testkit.Rows(
+		"MergeJoin 2.00 root  left outer join, left key:test.table_1.id, right key:test.table_1.id, left cond:gt(dayofmonth(test.table_1.datetime_col), ?)",
+		"├─IndexReader(Build) 2.00 root  index:IndexFullScan",
+		"│ └─IndexFullScan 2.00 cop[tikv] table:b, index:idx(id, bit_col, datetime_col) keep order:true",
+		"└─IndexReader(Probe) 2.00 root  index:IndexFullScan",
+		"  └─IndexFullScan 2.00 cop[tikv] table:a, index:idx(id, bit_col, datetime_col) keep order:true"))
+}