Merge pull request #18109 from taosdata/fix/TS-2063

fix: extend show create table result width

include/libs/function/taosudf.h

@@ -104,7 +104,7 @@ typedef int32_t (*TUdfDestroyFunc)();
   } while (0)
 #define udfColDataSetNull_var(pColumn, row) ((pColumn->colData.varLenCol.varOffsets)[row] = -1)
 
-typedef uint16_t VarDataLenT;  // maxVarDataLen: 32767
+typedef uint16_t VarDataLenT;  // maxVarDataLen: 65535
 #define VARSTR_HEADER_SIZE     sizeof(VarDataLenT)
 #define varDataLen(v)          ((VarDataLenT *)(v))[0]
 #define varDataVal(v)          ((char *)(v) + VARSTR_HEADER_SIZE)

include/util/types.h

@@ -78,7 +78,7 @@ static FORCE_INLINE double taos_align_get_double(const char *pBuf) {
   { (*(double *)(x)) = (*(double *)(y)); }
 // #endif
 
-typedef uint16_t VarDataLenT;  // maxVarDataLen: 32767
+typedef uint16_t VarDataLenT;  // maxVarDataLen: 65535
 #define VARSTR_HEADER_SIZE sizeof(VarDataLenT)
 
 #define varDataLen(v)  ((VarDataLenT *)(v))[0]

source/libs/command/src/command.c

@@ -528,7 +528,7 @@ static int32_t setCreateTBResultIntoDataBlock(SSDataBlock* pBlock, SDbCfgInfo* p
     appendTableOptions(buf2, &len, pDbCfg, pCfg);
   }
 
-  varDataLen(buf2) = len;
+  varDataLen(buf2) = (len > 65535) ? 65535 : len;
 
   colDataAppend(pCol2, 0, buf2, false);
 

source/libs/parser/src/parTranslater.c

@@ -6060,11 +6060,11 @@ static int32_t extractShowCreateTableResultSchema(int32_t* numOfCols, SSchema**
   }
 
   (*pSchema)[0].type = TSDB_DATA_TYPE_BINARY;
-  (*pSchema)[0].bytes = TSDB_TABLE_NAME_LEN;
+  (*pSchema)[0].bytes = SHOW_CREATE_TB_RESULT_FIELD1_LEN;
   strcpy((*pSchema)[0].name, "Table");
 
   (*pSchema)[1].type = TSDB_DATA_TYPE_BINARY;
-  (*pSchema)[1].bytes = TSDB_MAX_BINARY_LEN;
+  (*pSchema)[1].bytes = SHOW_CREATE_TB_RESULT_FIELD2_LEN;
   strcpy((*pSchema)[1].name, "Create Table");
 
   return TSDB_CODE_SUCCESS;