opt: filter by tag

include/common/tdatablock.h

@@ -71,7 +71,8 @@ SEpSet getEpSet_s(SCorEpSet* pEpSet);
 #define colDataGetData(p1_, r_) \
   ((IS_VAR_DATA_TYPE((p1_)->info.type)) ? colDataGetVarData(p1_, r_) : colDataGetNumData(p1_, r_))
 
-#define IS_JSON_NULL(type, data) ((type) == TSDB_DATA_TYPE_JSON && *(data) == TSDB_DATA_TYPE_NULL)
+#define IS_JSON_NULL(type, data) ((type) == TSDB_DATA_TYPE_JSON && \
+                                  (*(data) == TSDB_DATA_TYPE_NULL || tTagIsJsonNull(data)))
 
 static FORCE_INLINE bool colDataIsNull_s(const SColumnInfoData* pColumnInfoData, uint32_t row) {
   if (!pColumnInfoData->hasNull) {

include/common/tdataformat.h

@@ -70,6 +70,8 @@ int32_t tGetTSRow(uint8_t *p, STSRow2 *pRow);
 // STag
 int32_t tTagNew(SArray *pArray, int32_t version, int8_t isJson, STag **ppTag);
 void    tTagFree(STag *pTag);
+bool    tTagIsJson(const void *pTag);
+bool    tTagIsJsonNull(void *tagVal);
 bool    tTagGet(const STag *pTag, STagVal *pTagVal);
 char   *tTagValToData(const STagVal *pTagVal, bool isJson);
 int32_t tEncodeTag(SEncoder *pEncoder, const STag *pTag);

source/client/src/clientImpl.c

@@ -1581,7 +1581,7 @@ static int32_t estimateJsonLen(SReqResultInfo* pResultInfo, int32_t numOfCols, i
         char*   jsonInnerData = data + CHAR_BYTES;
         if (jsonInnerType == TSDB_DATA_TYPE_NULL) {
           len += (VARSTR_HEADER_SIZE + strlen(TSDB_DATA_NULL_STR_L));
-        } else if (jsonInnerType & TD_TAG_JSON) {
+        } else if (tTagIsJson(data)) {
           len += (VARSTR_HEADER_SIZE + ((const STag*)(data))->len);
         } else if (jsonInnerType == TSDB_DATA_TYPE_NCHAR) {  // value -> "value"
           len += varDataTLen(jsonInnerData) + CHAR_BYTES * 2;
@@ -1666,7 +1666,7 @@ static int32_t doConvertJson(SReqResultInfo* pResultInfo, int32_t numOfCols, int
         if (jsonInnerType == TSDB_DATA_TYPE_NULL) {
           sprintf(varDataVal(dst), "%s", TSDB_DATA_NULL_STR_L);
           varDataSetLen(dst, strlen(varDataVal(dst)));
-        } else if (jsonInnerType & TD_TAG_JSON) {
+        } else if (tTagIsJson(data)) {
           char* jsonString = parseTagDatatoJson(data);
           STR_TO_VARSTR(dst, jsonString);
           taosMemoryFree(jsonString);

source/common/src/tdatablock.c

@@ -110,7 +110,7 @@ int32_t getJsonValueLen(const char* data) {
     dataLen = DOUBLE_BYTES + CHAR_BYTES;
   } else if (*data == TSDB_DATA_TYPE_BOOL) {
     dataLen = CHAR_BYTES + CHAR_BYTES;
-  } else if (*data & TD_TAG_JSON) {  // json string
+  } else if (tTagIsJson(data)) {  // json string
     dataLen = ((STag*)(data))->len;
   } else {
     ASSERT(0);

source/common/src/tdataformat.c

@@ -924,6 +924,18 @@ static int32_t tGetTagVal(uint8_t *p, STagVal *pTagVal, int8_t isJson) {
 
   return n;
 }
+
+bool tTagIsJson(const void *pTag){
+  return (((const STag *)pTag)->flags & TD_TAG_JSON);
+}
+
+bool tTagIsJsonNull(void *data){
+  STag *pTag = (STag*)data;
+  int8_t   isJson = tTagIsJson(pTag);
+  if(!isJson) return false;
+  return ((STag*)data)->nTag == 0;
+}
+
 int32_t tTagNew(SArray *pArray, int32_t version, int8_t isJson, STag **ppTag) {
   int32_t  code = 0;
   uint8_t *p = NULL;

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

@@ -613,9 +613,6 @@ const void *metaGetTableTagVal(SMetaEntry *pEntry, int16_t type, STagVal *val) {
   ASSERT(pEntry->type == TSDB_CHILD_TABLE);
   STag *tag = (STag *)pEntry->ctbEntry.pTags;
   if (type == TSDB_DATA_TYPE_JSON) {
-    if (tag->nTag == 0) {
-      return NULL;
-    }
     return tag;
   }
   bool find = tTagGet(tag, val);

source/libs/executor/src/scanoperator.c

@@ -337,7 +337,7 @@ void addTagPseudoColumnData(SReadHandle* pHandle, SExprInfo* pPseudoExpr, int32_
       }
 
       for (int32_t i = 0; i < pBlock->info.rows; ++i) {
-        colDataAppend(pColInfoData, i, data, (data == NULL));
+        colDataAppend(pColInfoData, i, data, (data == NULL) || (pColInfoData->info.type == TSDB_DATA_TYPE_JSON && tTagIsJsonNull(data)));
       }
 
       if (data && (pColInfoData->info.type != TSDB_DATA_TYPE_JSON) && p != NULL &&
@@ -1824,7 +1824,7 @@ static SSDataBlock* doTagScan(SOperatorInfo* pOperator) {
         } else {
           data = (char*)p;
         }
-        colDataAppend(pDst, count, data, (data == NULL));
+        colDataAppend(pDst, count, data, (data == NULL) || (pDst->info.type == TSDB_DATA_TYPE_JSON && tTagIsJsonNull(data)));
 
         if (pDst->info.type != TSDB_DATA_TYPE_JSON && p != NULL && IS_VAR_DATA_TYPE(((const STagVal*)p)->type) &&
             data != NULL) {

source/libs/nodes/src/nodesUtilFuncs.c

@@ -1135,6 +1135,7 @@ void* nodesGetValueFromNode(SValueNode* pNode) {
     case TSDB_DATA_TYPE_NCHAR:
     case TSDB_DATA_TYPE_VARCHAR:
     case TSDB_DATA_TYPE_VARBINARY:
+    case TSDB_DATA_TYPE_JSON:
       return (void*)pNode->datum.p;
     default:
       break;

source/libs/scalar/src/sclvector.c

@@ -23,6 +23,7 @@
 #include "sclvector.h"
 #include "tcompare.h"
 #include "tdatablock.h"
+#include "tdataformat.h"
 #include "ttypes.h"
 #include "ttime.h"
 
@@ -506,6 +507,16 @@ bool convertJsonValue(__compar_fn_t *fp, int32_t optr, int8_t typeLeft, int8_t t
     }
   }
 
+  // if types can not comparable
+  if((IS_NUMERIC_TYPE(typeLeft) && !IS_NUMERIC_TYPE(typeRight)) ||
+     (IS_NUMERIC_TYPE(typeRight) && !IS_NUMERIC_TYPE(typeLeft)) ||
+     (IS_VAR_DATA_TYPE(typeLeft) && !IS_VAR_DATA_TYPE(typeRight)) ||
+     (IS_VAR_DATA_TYPE(typeRight) && !IS_VAR_DATA_TYPE(typeLeft)) ||
+     ((typeLeft == TSDB_DATA_TYPE_BOOL) && (typeRight != TSDB_DATA_TYPE_BOOL)) ||
+     ((typeRight == TSDB_DATA_TYPE_BOOL) && (typeLeft != TSDB_DATA_TYPE_BOOL)))
+    return false;
+
+
   if(typeLeft == TSDB_DATA_TYPE_NULL || typeRight == TSDB_DATA_TYPE_NULL){
     *isNull = true;
     return true;
@@ -519,24 +530,28 @@ bool convertJsonValue(__compar_fn_t *fp, int32_t optr, int8_t typeLeft, int8_t t
 
   *fp = filterGetCompFunc(type, optr);
 
-  if(IS_NUMERIC_TYPE(type) || IS_FLOAT_TYPE(type)){
+  if(IS_NUMERIC_TYPE(type)){
     if(typeLeft == TSDB_DATA_TYPE_NCHAR) {
-      convertNcharToDouble(*pLeftData, pLeftOut);
+      ASSERT(0);
-      *pLeftData = pLeftOut;
+//      convertNcharToDouble(*pLeftData, pLeftOut);
+//      *pLeftData = pLeftOut;
     } else if(typeLeft == TSDB_DATA_TYPE_BINARY) {
-      convertBinaryToDouble(*pLeftData, pLeftOut);
+      ASSERT(0);
-      *pLeftData = pLeftOut;
+//      convertBinaryToDouble(*pLeftData, pLeftOut);
+//      *pLeftData = pLeftOut;
     } else if(typeLeft != type) {
       convertNumberToNumber(*pLeftData, pLeftOut, typeLeft, type);
       *pLeftData = pLeftOut;
     }
 
     if(typeRight == TSDB_DATA_TYPE_NCHAR) {
-      convertNcharToDouble(*pRightData, pRightOut);
+      ASSERT(0);
-      *pRightData = pRightOut;
+//      convertNcharToDouble(*pRightData, pRightOut);
+//      *pRightData = pRightOut;
     } else if(typeRight == TSDB_DATA_TYPE_BINARY) {
-      convertBinaryToDouble(*pRightData, pRightOut);
+      ASSERT(0);
-      *pRightData = pRightOut;
+//      convertBinaryToDouble(*pRightData, pRightOut);
+//      *pRightData = pRightOut;
     } else if(typeRight != type) {
       convertNumberToNumber(*pRightData, pRightOut, typeRight, type);
       *pRightData = pRightOut;
@@ -1693,6 +1708,13 @@ void vectorIsTrue(SScalarParam* pLeft, SScalarParam* pRight, SScalarParam *pOut,
 
 STagVal getJsonValue(char *json, char *key, bool *isExist) {
   STagVal val = {.pKey = key};
+  if (tTagIsJson((const STag *)json) == false){
+    if(isExist){
+      *isExist = false;
+    }
+    return val;
+  }
+
   bool find = tTagGet(((const STag *)json), &val);  // json value is null and not exist is different
   if(isExist){
     *isExist = find;

tests/system-test/2-query/json_tag.py

@@ -68,7 +68,7 @@ class TDTestCase:
         tdSql.error("CREATE TABLE if not exists jsons1_14 using jsons1 tags('[1,true]')")
         tdSql.error("CREATE TABLE if not exists jsons1_14 using jsons1 tags('{222}')")
         tdSql.error("CREATE TABLE if not exists jsons1_14 using jsons1 tags('{\"fe\"}')")
-        #
+
         # test invalidate json key, key must can be printed assic char
         tdSql.error("CREATE TABLE if not exists jsons1_14 using jsons1 tags('{\"tag1\":[1,true]}')")
         tdSql.error("CREATE TABLE if not exists jsons1_14 using jsons1 tags('{\"tag1\":{}}')")
@@ -79,7 +79,7 @@ class TDTestCase:
         # test invalidate json value, value number can not be inf,nan TD-12166
         tdSql.error("CREATE TABLE if not exists jsons1_14 using jsons1 tags('{\"k\":1.8e308}')")
         tdSql.error("CREATE TABLE if not exists jsons1_14 using jsons1 tags('{\"k\":-1.8e308}')")
-        #
+
         #test length limit
         char1= ''.join(['abcd']*64)
         char3= ''.join(['abcd']*1021)
@@ -87,15 +87,15 @@ class TDTestCase:
         tdSql.error("CREATE TABLE if not exists  jsons1_15 using  jsons1 tags('{\"%s1\":5}')" % char1)   # len(key)=257
         tdSql.execute("CREATE TABLE if not exists  jsons1_15 using  jsons1 tags('{\"%s\":5}')" % char1)  # len(key)=256
         tdSql.error("CREATE TABLE if not exists  jsons1_16 using  jsons1 tags('{\"TSSSS\":\"%s\"}')" % char3)   # len(object)=4096
-        #tdSql.execute("CREATE TABLE if not exists  jsons1_16 using  jsons1 tags('{\"TSSS\":\"%s\"}')" % char3)  # len(object)=4095
+        tdSql.execute("CREATE TABLE if not exists  jsons1_16 using  jsons1 tags('{\"TSSS\":\"%s\"}')" % char3)  # len(object)=4095
         tdSql.execute("drop table if exists jsons1_15")
         tdSql.execute("drop table if exists jsons1_16")
-        #
+
         print("============== STEP 2 ===== alter table json tag")
         tdSql.error("ALTER STABLE jsons1 add tag tag2 nchar(20)")
         tdSql.error("ALTER STABLE jsons1 drop tag jtag")
         tdSql.error("ALTER TABLE jsons1 MODIFY TAG jtag nchar(128)")
-        #
+
         tdSql.execute("ALTER TABLE jsons1_1 SET TAG jtag='{\"tag1\":\"femail\",\"tag2\":35,\"tag3\":true}'")
         tdSql.query("select jtag from jsons1_1")
         tdSql.checkData(0, 0, '{"tag1":"femail","tag2":35,"tag3":true}')
@@ -105,9 +105,9 @@ class TDTestCase:
         tdSql.execute("create table st(ts timestamp, i int) tags(t int)")
         tdSql.error("ALTER STABLE st add tag jtag json")
         tdSql.error("ALTER STABLE st add column jtag json")
-        #
+
-        # print("============== STEP 3 ===== query table")
+        print("============== STEP 3 ===== query table")
-        # # test error syntax
+        # test error syntax
         tdSql.error("select * from jsons1 where jtag->tag1='beijing'")
         tdSql.error("select -> from jsons1")
         tdSql.error("select * from jsons1 where contains")
@@ -115,17 +115,17 @@ class TDTestCase:
         tdSql.error("select jtag->location from jsons1")
         tdSql.error("select jtag contains location from jsons1")
         tdSql.error("select * from jsons1 where jtag contains location")
-        #tdSql.error("select * from jsons1 where jtag contains''")
+        tdSql.query("select * from jsons1 where jtag contains''")
         tdSql.error("select * from jsons1 where jtag contains 'location'='beijing'")
-        #
+
-        # # test function error
+        # test function error
         tdSql.error("select avg(jtag->'tag1') from jsons1")
         tdSql.error("select avg(jtag) from jsons1")
         tdSql.error("select min(jtag->'tag1') from jsons1")
         tdSql.error("select min(jtag) from jsons1")
         tdSql.error("select ceil(jtag->'tag1') from jsons1")
         tdSql.error("select ceil(jtag) from jsons1")
-        #
+
 
         #test scalar operation
         tdSql.query("select jtag contains 'tag1',jtag->'tag1' from jsons1 order by jtag->'tag1'")
@@ -158,10 +158,11 @@ class TDTestCase:
         tdSql.checkData(0, 0, None)
         tdSql.checkData(0, 1, False)
         tdSql.checkData(7, 0, "false")
-        tdSql.checkData(7, 1, True)
+        tdSql.checkData(7, 1, False)
+        tdSql.checkData(8, 1, False)
         tdSql.checkData(12, 1, True)
 
-        # # test select normal column
+        # test select normal column
         tdSql.query("select dataint from jsons1 order by dataint")
         tdSql.checkRows(9)
         tdSql.checkData(1, 0, 1)
@@ -180,7 +181,7 @@ class TDTestCase:
         tdSql.query("select jtag from jsons1_9")
         tdSql.checkData(0, 0, None)
 
-        # # test select json tag->'key', value is string
+        # test select json tag->'key', value is string
         tdSql.query("select jtag->'tag1' from jsons1_1")
         tdSql.checkData(0, 0, '"femail"')
         tdSql.query("select jtag->'tag2' from jsons1_6")
@@ -200,7 +201,7 @@ class TDTestCase:
         # test select json tag->'key', key is not exist
         tdSql.query("select jtag->'tag10' from jsons1_4")
         tdSql.checkData(0, 0, None)
-        #
+
         tdSql.query("select jtag->'tag1' from jsons1")
         tdSql.checkRows(13)
         # test header name
@@ -210,24 +211,25 @@ class TDTestCase:
         tdSql.checkColNameList(res, cname_list)
 
 
-        # # test where with json tag
+        # test where with json tag
         tdSql.query("select * from jsons1_1 where jtag is not null")
-        # tdSql.error("select * from jsons1 where jtag='{\"tag1\":11,\"tag2\":\"\"}'")
+        # tdSql.query("select * from jsons1 where jtag='{\"tag1\":11,\"tag2\":\"\"}'")
-        # tdSql.error("select * from jsons1 where jtag->'tag1'={}")
+        tdSql.error("select * from jsons1 where jtag->'tag1'={}")
-        #
+
-        # # where json value is string
+        # where json value is string
         tdSql.query("select * from jsons1 where jtag->'tag2'='beijing'")
         tdSql.checkRows(2)
-        tdSql.query("select dataint,tbname,jtag->'tag1',jtag from jsons1 where jtag->'tag2'='beijing'")
+        tdSql.query("select dataint,tbname,jtag->'tag1',jtag from jsons1 where jtag->'tag2'='beijing' order by dataint")
         tdSql.checkRows(2)
-	# out of order, cannot compare value
+        tdSql.checkData(0, 0, 2)
-        #tdSql.checkData(0, 0, 2)
+        tdSql.checkData(0, 1, 'jsons1_2')
-        #tdSql.checkData(0, 1, 'jsons1_2')
+        tdSql.checkData(0, 2, "5.000000000")
-        #tdSql.checkData(0, 2, 5)
+        tdSql.checkData(0, 3, '{"tag1":5,"tag2":"beijing"}')
-        #tdSql.checkData(0, 3, '{"tag1":5,"tag2":"beijing"}')
+        tdSql.checkData(1, 0, 3)
-        #tdSql.checkData(1, 0, 3)
+        tdSql.checkData(1, 1, 'jsons1_3')
-        #tdSql.checkData(1, 1, 'jsons1_3')
+        tdSql.checkData(1, 2, 'false')
-        #tdSql.checkData(1, 2, 'false')
+
+
         tdSql.query("select * from jsons1 where jtag->'tag1'='beijing'")
         tdSql.checkRows(0)
         tdSql.query("select * from jsons1 where jtag->'tag1'='收到货'")
@@ -236,72 +238,73 @@ class TDTestCase:
         tdSql.checkRows(1)
         tdSql.query("select * from jsons1 where jtag->'tag2'>='beijing'")
         tdSql.checkRows(3)
-	# open
+        tdSql.query("select * from jsons1 where jtag->'tag2'<'beijing'")
-        #tdSql.query("select * from jsons1 where jtag->'tag2'<'beijing'")
-        #tdSql.checkRows(2)
-        tdSql.query("select * from jsons1 where jtag->'tag2'<='beijing'")
         tdSql.checkRows(2)
+        tdSql.query("select * from jsons1 where jtag->'tag2'<='beijing'")
+        tdSql.checkRows(4)
         tdSql.query("select * from jsons1 where jtag->'tag2'!='beijing'")
-        tdSql.checkRows(5)
+        tdSql.checkRows(3)
         tdSql.query("select * from jsons1 where jtag->'tag2'=''")
         tdSql.checkRows(2)
-        #
+
-        # # where json value is int
+        # where json value is int
         tdSql.query("select * from jsons1 where jtag->'tag1'=5")
         tdSql.checkRows(1)
         tdSql.checkData(0, 1, 2)
         tdSql.query("select * from jsons1 where jtag->'tag1'=10")
         tdSql.checkRows(0)
         tdSql.query("select * from jsons1 where jtag->'tag1'<54")
-        tdSql.checkRows(4)
+        tdSql.checkRows(3)
         tdSql.query("select * from jsons1 where jtag->'tag1'<=11")
-        tdSql.checkRows(4)
+        tdSql.checkRows(3)
         tdSql.query("select * from jsons1 where jtag->'tag1'>4")
         tdSql.checkRows(2)
         tdSql.query("select * from jsons1 where jtag->'tag1'>=5")
         tdSql.checkRows(2)
         tdSql.query("select * from jsons1 where jtag->'tag1'!=5")
-        tdSql.checkRows(6)
+        tdSql.checkRows(2)
         tdSql.query("select * from jsons1 where jtag->'tag1'!=55")
-        tdSql.checkRows(7)
+        tdSql.checkRows(3)
-        #
+
-        # # where json value is double
+        # where json value is double
         tdSql.query("select * from jsons1 where jtag->'tag1'=1.232")
         tdSql.checkRows(1)
         tdSql.query("select * from jsons1 where jtag->'tag1'<1.232")
-        tdSql.checkRows(1)
+        tdSql.checkRows(0)
         tdSql.query("select * from jsons1 where jtag->'tag1'<=1.232")
-        tdSql.checkRows(2)
+        tdSql.checkRows(1)
         tdSql.query("select * from jsons1 where jtag->'tag1'>1.23")
         tdSql.checkRows(3)
         tdSql.query("select * from jsons1 where jtag->'tag1'>=1.232")
         tdSql.checkRows(3)
         tdSql.query("select * from jsons1 where jtag->'tag1'!=1.232")
-        tdSql.checkRows(6)
+        tdSql.checkRows(2)
         tdSql.query("select * from jsons1 where jtag->'tag1'!=3.232")
-        tdSql.checkRows(7)
+        tdSql.checkRows(3)
-        #tdSql.error("select * from jsons1 where jtag->'tag1'/0=3")
+        tdSql.query("select * from jsons1 where jtag->'tag1'/0=3")
-        #tdSql.error("select * from jsons1 where jtag->'tag1'/5=1")
+        tdSql.checkRows(0)
-        #
+        tdSql.query("select * from jsons1 where jtag->'tag1'/5=1")
-        # # where json value is bool
+        tdSql.checkRows(1)
+
+        # where json value is bool
         tdSql.query("select * from jsons1 where jtag->'tag1'=true")
         tdSql.checkRows(0)
-        #tdSql.query("select * from jsons1 where jtag->'tag1'=false")
+        tdSql.query("select * from jsons1 where jtag->'tag1'=false")
-        #tdSql.checkRows(1)
+        tdSql.checkRows(1)
         tdSql.query("select * from jsons1 where jtag->'tag1'!=false")
-        tdSql.checkRows(3)
+        tdSql.checkRows(0)
-        #tdSql.error("select * from jsons1 where jtag->'tag1'>false")
+        tdSql.query("select * from jsons1 where jtag->'tag1'>false")
-        #
+        tdSql.checkRows(0)
-        # # where json value is null
+
-	# open
+        # where json value is null
-        #tdSql.query("select * from jsons1 where jtag->'tag1'=null")     # only json suport =null. This synatx will change later.
+        tdSql.query("select * from jsons1 where jtag->'tag1'=null")
-        #tdSql.checkRows(1)
+        tdSql.checkRows(0)
-        #
+
-        # # where json key is null
+        # where json key is null
         tdSql.query("select * from jsons1 where jtag->'tag_no_exist'=3")
         tdSql.checkRows(0)
-        #
+
-        # # where json value is not exist
+        # where json value is not exist
         tdSql.query("select * from jsons1 where jtag->'tag1' is null")
         tdSql.checkData(0, 0, 'jsons1_9')
         tdSql.checkRows(2)
@@ -309,16 +312,16 @@ class TDTestCase:
         tdSql.checkRows(9)
         tdSql.query("select * from jsons1 where jtag->'tag3' is not null")
         tdSql.checkRows(3)
-        #
+
-        # # test contains
+        # test contains
         tdSql.query("select * from jsons1 where jtag contains 'tag1'")
-        tdSql.checkRows(7)
+        tdSql.checkRows(8)
         tdSql.query("select * from jsons1 where jtag contains 'tag3'")
-        tdSql.checkRows(3)
+        tdSql.checkRows(4)
         tdSql.query("select * from jsons1 where jtag contains 'tag_no_exist'")
         tdSql.checkRows(0)
-        #
+
-        # # test json tag in where condition with and/or
+        # test json tag in where condition with and/or
         tdSql.query("select * from jsons1 where jtag->'tag1'=false and jtag->'tag2'='beijing'")
         tdSql.checkRows(1)
         tdSql.query("select * from jsons1 where jtag->'tag1'=false or jtag->'tag2'='beijing'")
@@ -335,15 +338,15 @@ class TDTestCase:
         tdSql.checkRows(3)
         tdSql.query("select * from jsons1 where jtag->'tag1'='femail' and jtag contains 'tag3'")
         tdSql.checkRows(2)
-        #
+
-        #
+
-        # # test with between and
+        # test with between and
         tdSql.query("select * from jsons1 where jtag->'tag1' between 1 and 30")
         tdSql.checkRows(3)
         tdSql.query("select * from jsons1 where jtag->'tag1' between 'femail' and 'beijing'")
         tdSql.checkRows(2)
-        #
+
-        # # test with tbname/normal column
+        # test with tbname/normal column
         tdSql.query("select * from jsons1 where tbname = 'jsons1_1'")
         tdSql.checkRows(2)
         tdSql.query("select * from jsons1 where tbname = 'jsons1_1' and jtag contains 'tag3'")
@@ -352,20 +355,18 @@ class TDTestCase:
         tdSql.checkRows(0)
         tdSql.query("select * from jsons1 where tbname = 'jsons1_1' and jtag contains 'tag3' and dataint=23")
         tdSql.checkRows(1)
-        #
+
-        #
+
-        # # test where condition like
+        # test where condition like
-	# open
+        tdSql.query("select * from jsons1 where jtag->'tag2' like 'bei%'")
- 	# syntax error	
+        tdSql.checkRows(2)
-        #tdSql.query("select *,tbname from jsons1 where jtag->'tag2' like 'bei%'")
+        tdSql.query("select * from jsons1 where jtag->'tag1' like 'fe%' and jtag->'tag2' is not null")
-        #tdSql.checkRows(2)
+        tdSql.checkRows(2)
-        #tdSql.query("select *,tbname from jsons1 where jtag->'tag1' like 'fe%' and jtag->'tag2' is not null")
+
-        #tdSql.checkRows(2)
+        # test where condition in  no support in
-        #
-        # # test where condition in  no support in
         # tdSql.error("select * from jsons1 where jtag->'tag1' in ('beijing')")
-        #
+
-        # # test where condition match/nmath
+        # test where condition match/nmath
         tdSql.query("select * from jsons1 where jtag->'tag1' match 'ma'")
         tdSql.checkRows(2)
         tdSql.query("select * from jsons1 where jtag->'tag1' match 'ma$'")
@@ -376,23 +377,22 @@ class TDTestCase:
         tdSql.checkRows(1)
         tdSql.query("select * from jsons1 where jtag->'tag1' nmatch 'ma'")
         tdSql.checkRows(1)
-        #
+
-        # # test distinct
+        # test distinct
         tdSql.execute("insert into jsons1_14 using jsons1 tags('{\"tag1\":\"收到货\",\"tag2\":\"\",\"tag3\":null}') values(1591062628000, 2, NULL, '你就会', 'dws')")
         tdSql.query("select distinct jtag->'tag1' from jsons1")
         tdSql.checkRows(8)
         tdSql.query("select distinct jtag from jsons1")
         tdSql.checkRows(9)
-        #
+
-        # #test dumplicate key with normal colomn
+        #test dumplicate key with normal colomn
         tdSql.execute("INSERT INTO jsons1_15 using jsons1 tags('{\"tbname\":\"tt\",\"databool\":true,\"datastr\":\"是是是\"}') values(1591060828000, 4, false, 'jjsf', \"你就会\")")
-        #tdSql.query("select *,tbname,jtag from jsons1 where jtag->'datastr' match '是' and datastr match 'js'")
+        tdSql.query("select * from jsons1 where jtag->'datastr' match '是' and datastr match 'js'")
-        #tdSql.checkRows(1)
+        tdSql.checkRows(1)
-	# open
+        # tdSql.query("select tbname,jtag->'tbname' from jsons1 where jtag->'tbname'='tt' and tbname='jsons1_14'")
-        #tdSql.query("select tbname,jtag->'tbname' from jsons1 where jtag->'tbname'='tt' and tbname='jsons1_14'")
+        # tdSql.checkRows(1)
-        #tdSql.checkRows(0)
+
-        #
+        # test join
-        # # test join
         tdSql.execute("create table if not exists jsons2(ts timestamp, dataInt int, dataBool bool, dataStr nchar(50), dataStrBin binary(150)) tags(jtag json)")
         tdSql.execute("insert into jsons2_1 using jsons2 tags('{\"tag1\":\"fff\",\"tag2\":5, \"tag3\":true}') values(1591060618000, 2, false, 'json2', '你是2')")
         tdSql.execute("insert into jsons2_2 using jsons2 tags('{\"tag1\":5,\"tag2\":null}') values (1591060628000, 2, true, 'json2', 'sss')")
@@ -460,19 +460,18 @@ class TDTestCase:
         tdSql.checkColNameList(res, cname_list)
 
         # test top/bottom with group by json tag
-	# random failure 
+        # tdSql.query("select top(dataint,2),jtag->'tag1' from jsons1 group by jtag->'tag1' order by jtag->'tag1'")
-        #tdSql.query("select top(dataint,2),jtag->'tag1' from jsons1 group by jtag->'tag1' order by jtag->'tag1'")
+        # tdSql.checkRows(11)
-        #tdSql.checkRows(11)
+        # tdSql.checkData(0, 1, None)
-        #tdSql.checkData(0, 1, None)
+        # tdSql.checkData(2, 0, 4)
-        #tdSql.checkData(2, 0, 4)
+        # tdSql.checkData(3, 0, 3)
-        #tdSql.checkData(3, 0, 3)
+        # tdSql.checkData(3, 1, "false")
-        #tdSql.checkData(3, 1, "false")
+        # tdSql.checkData(8, 0, 2)
-        #tdSql.checkData(10, 0, 23)
+        # tdSql.checkData(10, 1, '"femail"')
-        #tdSql.checkData(10, 1, '"femail"')
 
         # test having
-        #tdSql.query("select count(*),jtag->'tag1' from jsons1 group by jtag->'tag1' having count(*) > 1")
+        tdSql.query("select count(*),jtag->'tag1' from jsons1 group by jtag->'tag1' having count(*) > 1")
-        #tdSql.checkRows(3)
+        tdSql.checkRows(3)
 
         # subquery with json tag
         tdSql.query("select * from (select jtag, dataint from jsons1) order by dataint")
@@ -480,22 +479,13 @@ class TDTestCase:
         tdSql.checkData(1, 1, 1)
         tdSql.checkData(5, 0, '{"tag1":false,"tag2":"beijing"}')
 
-        # tdSql.query("select jtag->'tag1' from (select jtag->'tag1', dataint from jsons1)")
+        tdSql.error("select jtag->'tag1' from (select jtag->'tag1', dataint from jsons1)")
-        # tdSql.checkRows(11)
+        # tdSql.query("select ts,jtag->'tag1' from (select jtag->'tag1',tbname,ts from jsons1 order by ts)")
-        # tdSql.checkData(1, 0, '"femail"')
-        # tdSql.checkData(2, 0, 5)
-        #
-        # res = tdSql.getColNameList("select jtag->'tag1' from (select jtag->'tag1', dataint from jsons1)")
-        # cname_list = []
-        # cname_list.append("jtag->'tag1'")
-        # tdSql.checkColNameList(res, cname_list)
-        #
-        # tdSql.query("select ts,tbname,jtag->'tag1' from (select jtag->'tag1',tbname,ts from jsons1 order by ts)")
         # tdSql.checkRows(11)
         # tdSql.checkData(1, 1, "jsons1_1")
         # tdSql.checkData(1, 2, '"femail"')
-        #
+
-        # # union all
+        # union all
         tdSql.query("select jtag->'tag1' from jsons1 union all select jtag->'tag2' from jsons2")
         tdSql.checkRows(17)
         tdSql.query("select jtag->'tag1' from jsons1_1 union all select jtag->'tag2' from jsons2_1")
@@ -517,15 +507,16 @@ class TDTestCase:
         tdSql.checkData(0, 0, 10)
         tdSql.query("select avg(dataint) from jsons1 where jtag is not null")
         tdSql.checkData(0, 0, 5.3)
-        #tdSql.error("select twa(dataint) from jsons1 where jtag is not null")
+        # tdSql.query("select twa(dataint) from jsons1 where jtag is not null")
+        # tdSql.checkData(0, 0, 36)
         tdSql.error("select irate(dataint) from jsons1 where jtag is not null")
-        #tdSql.query("select sum(dataint) from jsons1 where jtag->'tag1' is not null")
+        tdSql.query("select sum(dataint) from jsons1 where jtag->'tag1' is not null")
-        #tdSql.checkData(0, 0, 49)
+        tdSql.checkData(0, 0, 45)
         tdSql.query("select stddev(dataint) from jsons1 where jtag->'tag1'>1")
         tdSql.checkData(0, 0, 4.496912521)
-        #tdSql.error("SELECT LEASTSQUARES(dataint, 1, 1) from jsons1 where jtag is not null")
+        tdSql.query("SELECT LEASTSQUARES(dataint, 1, 1) from jsons1 where jtag is not null")
-        #
+
-        # #test selection function:min/max/first/last/top/bottom/percentile/apercentile/last_row/interp
+        #test selection function:min/max/first/last/top/bottom/percentile/apercentile/last_row/interp
         tdSql.query("select min(dataint) from jsons1 where jtag->'tag1'>1")
         tdSql.checkData(0, 0, 1)
         tdSql.query("select max(dataint) from jsons1 where jtag->'tag1'>1")
@@ -541,13 +532,16 @@ class TDTestCase:
         tdSql.query("select percentile(dataint,20) from jsons1 where jtag->'tag1'>1")
         tdSql.query("select apercentile(dataint, 50) from jsons1 where jtag->'tag1'>1")
         tdSql.checkData(0, 0, 1.5)
-        #tdSql.query("select last_row(dataint) from jsons1 where jtag->'tag1'>1")
+        # tdSql.query("select last_row(dataint) from jsons1 where jtag->'tag1'>1")
-        #tdSql.checkData(0, 0, 11)
+        # tdSql.query("select interp(dataint) from jsons1 where ts = '2020-06-02 09:17:08.000' and jtag->'tag1'>1")
-        #tdSql.error("select interp(dataint) from jsons1 where ts = '2020-06-02 09:17:08.000' and jtag->'tag1'>1")
+
-        #
+        #test calculation function:diff/derivative/spread/ceil/floor/round/
-        # #test calculation function:diff/derivative/spread/ceil/floor/round/
+        tdSql.query("select diff(dataint) from jsons1 where jtag->'tag1'>1")
-        #tdSql.error("select diff(dataint) from jsons1 where jtag->'tag1'>1")
+        # tdSql.checkRows(2)
-        #tdSql.error("select derivative(dataint, 10m, 0) from jsons1 where jtag->'tag1'>1")
+        # tdSql.checkData(0, 0, -1)
+        # tdSql.checkData(1, 0, 10)
+        tdSql.query("select derivative(dataint, 10m, 0) from jsons1 where jtag->'tag1'>1")
+        tdSql.checkData(0, 0, -2)
         tdSql.query("select spread(dataint) from jsons1 where jtag->'tag1'>1")
         tdSql.checkData(0, 0, 10)
         tdSql.query("select ceil(dataint) from jsons1 where jtag->'tag1'>1")