fix(query): fix state operator check

source/libs/function/src/builtins.c

@@ -1132,9 +1132,9 @@ static bool validateStateOper(const SValueNode* pVal) {
   if (TSDB_DATA_TYPE_BINARY != pVal->node.resType.type) {
     return false;
   }
-  return (0 == strcasecmp(varDataVal(pVal->datum.p), "GT") || 0 == strcasecmp(varDataVal(pVal->datum.p), "GE") ||
-          0 == strcasecmp(varDataVal(pVal->datum.p), "LT") || 0 == strcasecmp(varDataVal(pVal->datum.p), "LE") ||
-          0 == strcasecmp(varDataVal(pVal->datum.p), "EQ") || 0 == strcasecmp(varDataVal(pVal->datum.p), "NE"));
+  return (0 == strncasecmp(varDataVal(pVal->datum.p), "GT", 2) || 0 == strncasecmp(varDataVal(pVal->datum.p), "GE", 2) ||
+          0 == strncasecmp(varDataVal(pVal->datum.p), "LT", 2) || 0 == strncasecmp(varDataVal(pVal->datum.p), "LE", 2) ||
+          0 == strncasecmp(varDataVal(pVal->datum.p), "EQ", 2) || 0 == strncasecmp(varDataVal(pVal->datum.p), "NE", 2));
 }
 
 static int32_t translateStateCount(SFunctionNode* pFunc, char* pErrBuf, int32_t len) {

source/libs/function/src/builtinsimpl.c

@@ -4416,17 +4416,17 @@ bool getStateFuncEnv(SFunctionNode* UNUSED_PARAM(pFunc), SFuncExecEnv* pEnv) {
 
 static int8_t getStateOpType(char* opStr) {
   int8_t opType;
-  if (strcasecmp(opStr, "LT") == 0) {
+  if (strncasecmp(opStr, "LT", 2) == 0) {
     opType = STATE_OPER_LT;
-  } else if (strcasecmp(opStr, "GT") == 0) {
+  } else if (strncasecmp(opStr, "GT", 2) == 0) {
     opType = STATE_OPER_GT;
-  } else if (strcasecmp(opStr, "LE") == 0) {
+  } else if (strncasecmp(opStr, "LE", 2) == 0) {
     opType = STATE_OPER_LE;
-  } else if (strcasecmp(opStr, "GE") == 0) {
+  } else if (strncasecmp(opStr, "GE", 2) == 0) {
     opType = STATE_OPER_GE;
-  } else if (strcasecmp(opStr, "NE") == 0) {
+  } else if (strncasecmp(opStr, "NE", 2) == 0) {
     opType = STATE_OPER_NE;
-  } else if (strcasecmp(opStr, "EQ") == 0) {
+  } else if (strncasecmp(opStr, "EQ", 2) == 0) {
     opType = STATE_OPER_EQ;
   } else {
     opType = STATE_OPER_INVALID;

source/libs/scalar/src/sclfunc.c

@@ -2470,17 +2470,17 @@ typedef enum {
 
 static int8_t getStateOpType(char* opStr) {
   int8_t opType;
-  if (strcasecmp(opStr, "LT") == 0) {
+  if (strncasecmp(opStr, "LT", 2) == 0) {
     opType = STATE_OPER_LT;
-  } else if (strcasecmp(opStr, "GT") == 0) {
+  } else if (strncasecmp(opStr, "GT", 2) == 0) {
     opType = STATE_OPER_GT;
-  } else if (strcasecmp(opStr, "LE") == 0) {
+  } else if (strncasecmp(opStr, "LE", 2) == 0) {
     opType = STATE_OPER_LE;
-  } else if (strcasecmp(opStr, "GE") == 0) {
+  } else if (strncasecmp(opStr, "GE", 2) == 0) {
     opType = STATE_OPER_GE;
-  } else if (strcasecmp(opStr, "NE") == 0) {
+  } else if (strncasecmp(opStr, "NE", 2) == 0) {
     opType = STATE_OPER_NE;
-  } else if (strcasecmp(opStr, "EQ") == 0) {
+  } else if (strncasecmp(opStr, "EQ", 2) == 0) {
     opType = STATE_OPER_EQ;
   } else {
     opType = STATE_OPER_INVALID;