Merge pull request #7279 from taosdata/fix/TD-5918

[TD-5918]<fix> fix assert core by expand wild cards

src/common/src/tglobal.c

@@ -991,7 +991,7 @@ static void doInitGlobalConfig(void) {
   cfg.valType = TAOS_CFG_VTYPE_INT32;
   cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_CLIENT | TSDB_CFG_CTYPE_B_SHOW;
   cfg.minValue = 0;
-  cfg.maxValue = TSDB_MAX_ALLOWED_SQL_LEN;
+  cfg.maxValue = TSDB_MAX_FIELD_LEN;
   cfg.ptrLength = 0;
   cfg.unitType = TAOS_CFG_UTYPE_BYTE;
   taosInitConfigOption(cfg);

src/util/src/tcompare.c

@@ -281,9 +281,9 @@ int WCSPatternMatch(const wchar_t *patterStr, const wchar_t *str, size_t size, c
 int32_t compareStrPatternComp(const void* pLeft, const void* pRight) {
   SPatternCompareInfo pInfo = {'%', '_'};
 
-  char pattern[128] = {0};
+  assert(varDataLen(pRight) <= TSDB_MAX_FIELD_LEN);
+  char *pattern = calloc(varDataLen(pRight) + 1, sizeof(char));
   memcpy(pattern, varDataVal(pRight), varDataLen(pRight));
-  assert(varDataLen(pRight) < 128);
 
   size_t sz = varDataLen(pLeft);
   char *buf = malloc(sz + 1);
@@ -292,6 +292,7 @@ int32_t compareStrPatternComp(const void* pLeft, const void* pRight) {
 
   int32_t ret = patternMatch(pattern, buf, sz, &pInfo);
   free(buf);
+  free(pattern);
   return (ret == TSDB_PATTERN_MATCH) ? 0 : 1;
 }
 
@@ -313,13 +314,13 @@ int32_t compareFindItemInSet(const void *pLeft, const void* pRight)  {
 int32_t compareWStrPatternComp(const void* pLeft, const void* pRight) {
   SPatternCompareInfo pInfo = {'%', '_'};
 
-  wchar_t pattern[128] = {0};
-  assert(TSDB_PATTERN_STRING_MAX_LEN < 128);
+  assert(varDataLen(pRight) <= TSDB_MAX_FIELD_LEN * TSDB_NCHAR_SIZE);
+  wchar_t *pattern = calloc(varDataLen(pRight) + 1, sizeof(wchar_t));
 
   memcpy(pattern, varDataVal(pRight), varDataLen(pRight));
-  assert(varDataLen(pRight) < 128);
 
   int32_t ret = WCSPatternMatch(pattern, varDataVal(pLeft), varDataLen(pLeft)/TSDB_NCHAR_SIZE, &pInfo);
+  free(pattern);
   return (ret == TSDB_PATTERN_MATCH) ? 0 : 1;
 }
 

tests/pytest/query/queryWildcardLength.py

@@ -157,19 +157,6 @@ class TDTestCase:
         tdSql.execute(f'create table {table_name}_sub1 using {table_name} tags ("{table_name}", "{table_name}")')
         tdSql.execute(f'insert into {table_name}_sub1 values (now, "{table_name}", "{table_name}");')
 
-        # TODO sc1 leave a bug ---> TD-5918
-        # sql_list = [f'select * from {table_name} where bi1 like "{hp_name}"',
-        #             f'select * from {table_name} where bi1 like "{lp_name}"',
-        #             f'select * from {table_name} where bi1 like "{ul_name}"',
-        #             f'select * from {table_name} where nc1 like "{hp_name}"',
-        #             f'select * from {table_name} where nc1 like "{lp_name}"',
-        #             f'select * from {table_name} where nc1 like "{ul_name}"',
-        #             f'select * from {table_name} where si1 like "{hp_name}"',
-        #             f'select * from {table_name} where si1 like "{lp_name}"',
-        #             f'select * from {table_name} where si1 like "{ul_name}"',
-        #             f'select * from {table_name} where sc1 like "{hp_name}"',
-        #             f'select * from {table_name} where sc1 like "{lp_name}"',
-        #             f'select * from {table_name} where sc1 like "{ul_name}"']
         sql_list = [f'select * from {table_name} where bi1 like "{hp_name}"',
                     f'select * from {table_name} where bi1 like "{lp_name}"',
                     f'select * from {table_name} where bi1 like "{ul_name}"',
@@ -178,7 +165,11 @@ class TDTestCase:
                     f'select * from {table_name} where nc1 like "{ul_name}"',
                     f'select * from {table_name} where si1 like "{hp_name}"',
                     f'select * from {table_name} where si1 like "{lp_name}"',
-                    f'select * from {table_name} where si1 like "{ul_name}"']
+                    f'select * from {table_name} where si1 like "{ul_name}"',
+                    f'select * from {table_name} where sc1 like "{hp_name}"',
+                    f'select * from {table_name} where sc1 like "{lp_name}"',
+                    f'select * from {table_name} where sc1 like "{ul_name}"']
+      
         for sql in sql_list:
             tdSql.query(sql)
             if len(table_name) >= 1:
@@ -211,7 +202,6 @@ class TDTestCase:
         tdSql.close()
         tdLog.success("%s successfully executed" % __file__)
 
-
 tdCases.addWindows(__file__, TDTestCase())
 tdCases.addLinux(__file__, TDTestCase())