test: show indexes

tests/script/tsim/sma/drop_sma.sim

@@ -53,6 +53,22 @@ sql create sma index sma_index_name1 on stb function(max(c1),max(c2),min(c1)) in
 print --> drop stb
 sql drop table stb; 
 
+print --> show sma
+sql show indexes from d1
+if $rows != 1 then 
+  return -1
+endi
+if $data[0][0] != sma_index_name1 then 
+  return -1
+endi
+if $data[0][0] != d1 then 
+  return -1
+endi
+if $data[0][0] != stb then 
+  return -1
+endi
+
+
 print ========== step4 repeat
 
 print --> create stb
@@ -64,6 +80,21 @@ sql create sma index sma_index_name1 on stb function(max(c1),max(c2),min(c1)) in
 print --> drop stb
 sql drop table stb; 
 
+print --> show sma
+sql show indexes from stb
+if $rows != 1 then 
+  return -1
+endi
+if $data[0][0] != sma_index_name1 then 
+  return -1
+endi
+if $data[0][0] != d1 then 
+  return -1
+endi
+if $data[0][0] != stb then 
+  return -1
+endi
+
 print ========== step5 
 sql drop database if exists db;
 sql create database db duration 300;