fix filter error

source/dnode/mnode/impl/src/mndIndex.c

@@ -823,7 +823,11 @@ static int32_t mndAddIndex(SMnode *pMnode, SRpcMsg *pReq, SCreateTagIndexReq *re
   if (tag < 0) {
     terrno = TSDB_CODE_MND_TAG_NOT_EXIST;
     return -1;
+  } else if (tag == 0) {
+    terrno = TSDB_CODE_MND_TAG_INDEX_ALREADY_EXIST;
+    return -1;
   }
+
   col_id_t colId = pStb->pTags[tag].colId;
   if (mndCheckColAndTagModifiable(pMnode, pStb->name, pStb->uid, colId) != 0) {
     return -1;

source/dnode/vnode/src/meta/metaTable.c

@@ -452,7 +452,7 @@ int metaAddIndexToSTable(SMeta *pMeta, int64_t version, SVCreateStbReq *pReq) {
     }
   }
 
-  if (diffIdx == -1) {
+  if (diffIdx == -1 && diffIdx == 0) {
     goto _err;
   }
 
@@ -566,7 +566,7 @@ int metaDropIndexFromSTable(SMeta *pMeta, int64_t version, SDropIndexReq *pReq)
   for (int i = 0; i < oStbEntry.stbEntry.schemaTag.nCols; i++) {
     SSchema *schema = oStbEntry.stbEntry.schemaTag.pSchema + i;
     if (0 == strncmp(schema->name, pReq->colName, sizeof(pReq->colName))) {
-      if (IS_IDX_ON(schema)) {
+      if (i != 0 || IS_IDX_ON(schema)) {
         pCol = schema;
       }
       break;

source/libs/parser/src/parTranslater.c

@@ -784,7 +784,7 @@ static void setColumnInfoBySchema(const SRealTableNode* pTable, const SSchema* p
   pCol->tableType = pTable->pMeta->tableType;
   pCol->colId = pColSchema->colId;
   pCol->colType = (tagFlag >= 0 ? COLUMN_TYPE_TAG : COLUMN_TYPE_COLUMN);
-  pCol->hasIndex = IS_IDX_ON(pColSchema);
+  pCol->hasIndex = ((0 == tagFlag) || (pColSchema != NULL && IS_IDX_ON(pColSchema)));
   pCol->node.resType.type = pColSchema->type;
   pCol->node.resType.bytes = pColSchema->bytes;
   if (TSDB_DATA_TYPE_TIMESTAMP == pCol->node.resType.type) {

tests/script/tsim/tagindex/add_index.sim

@@ -43,14 +43,25 @@ print =============== insert data into each table
 $i = 0
 while $i < $tbNum
   $tb = $tbPrefix . $i
-  sql insert into $tb values(now, 10);
+  sql insert into $tb values(now, $i );
   $i = $i + 1
 endw
 
 
 sql create index ti2 on $mtPrefix (t2)
 
-# equal
+print ==== test name conflict
+# 
+sql_error create index ti3 on $mtPrefix(t2) 
+
+sql_error create index ti2 on $mtPrefix(t2) 
+sql_error create index ti2 on $mtPrefix(t1) 
+sql_error create index ti2 on $mtPrefix(t3) 
+sql_error create index ti2 on $mtPrefix(txx) 
+
+
+print ===== test operator equal
+
 $i = 0
 while $i < $tbNum
   sql select * from $mtPrefix where t2= $i ;
@@ -60,6 +71,9 @@ while $i < $tbNum
   $i = $i + 1
 endw
 
+
+
+print ===== test operator great equal 
 # great equal than 
 $i = 0
 while $i < $tbNum
@@ -71,21 +85,19 @@ while $i < $tbNum
   $i = $i + 1
 endw
 
-# great than 
+print ===== test operator great 
 $i = 0
 while $i < $tbNum
   sql select * from $mtPrefix where t2 > $i ;
   $tmp = $tbNum - $i
+  $tmp = $tmp - 1
   if $rows != $tmp then
-    print $rows
-    print $i
-    print $tmp
     return -1
   endi
   $i = $i + 1
 endw
 
-# lower equal than 
+print ===== test operator lower 
 $i = 0
 while $i < $tbNum
   sql select * from $mtPrefix where t2 <= $i ;
@@ -96,6 +108,7 @@ while $i < $tbNum
   $i = $i + 1
 endw
 
+print ===== test operator lower than 
 # lower equal than 
 $i = 0
 while $i < $tbNum
@@ -107,9 +120,105 @@ while $i < $tbNum
   $i = $i + 1
 endw
 
+print ===== add table after index created
+$interval = $tbNum + $tbNum 
+$i = $interval  
+$limit = $interval + $tbNum 
+while $i < $limit
+    $tb = $tbPrefix . $i 
+    sql insert into $tb using $mtPrefix tags( $i , $i , $i , $i , $i ) values( now, $i ) 
+    $i = $i + 1
+endw
+
+
+
+print ===== add table after index created (opeator  great equal than)
+# great equal than 
+$i = $interval 
+while $i < $limit
+  sql select * from $mtPrefix where t2 >= $i ;
+  $tmp = $limit - $i
+  if $rows != $tmp then
+    return -1
+  endi
+  $i = $i + 1
+endw
+
+
+print ===== add table after index created (opeator great than)
+# great than 
+$i = $interval 
+while $i < $limit
+  sql select * from $mtPrefix where t2 > $i ;
+  $tmp = $limit - $i
+  $tmp = $tmp - 1
+  if $rows != $tmp then
+    return -1
+  endi
+  $i = $i + 1
+endw
+
+print ===== drop table after index created 
+
+# drop table
+$dropTbNum = $tbNum / 2 
+$i = 0
+
+while $i < $tbNum
+  $tb = $tbPrefix . $i 
+  sql drop table $tb
+  $i = $i + 1
+endw
+
+print ===== drop table after index created(opeator lower than)
+
+# lower equal than 
+$i = $interval 
+while $i < $limit
+  sql select * from $mtPrefix where t2 < $i ;
+  $tmp = $i  - $interval
+  if $rows != $tmp then
+    return -1
+  endi
+  $i = $i + 1
+endw
+
+
+print ===== drop table after index created(opeator lower equal than)
+
+# lower equal than 
+$i = $interval 
+while $i < $limit
+  sql select * from $mtPrefix where t2 <= $i ;
+  
+  $tmp = $i  - $interval
+  $tmp = $tmp + 1
+  if $rows != $tmp then
+    return -1
+  endi
+  $i = $i + 1
+endw
+
+
+print === show index
+
+sql select * from information_schema.ins_indexes
+if $rows != 1 then 
+  return -1
+endi
+
+
+print === drop index ti2
+sql drop index ti2
+
+print === drop not exist index
+sql_error drop index t2
+sql_error drop index t3
 
 
 
+sql_error create index ti0 on $mtPrefix (t1)
+sql_error create index t2i on ta_3_tb17 (t2)
 
 
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file