refactor some codes.

src/kit/shell/inc/shell.h

@@ -84,7 +84,6 @@ int shellDumpResult(TAOS* con, char* fname, int* error_no, bool printMode);
 void shellPrintNChar(char* str, int width, bool printMode);
 void shellGetGrantInfo(void *con);
 int isCommentLine(char *line);
-#define max(a, b) ((int)(a) < (int)(b) ? (int)(b) : (int)(a))
 
 /**************** Global variable declarations ****************/
 extern char           PROMPT_HEADER[];

src/kit/shell/src/shellEngine.c

@@ -375,29 +375,29 @@ int shellDumpResult(TAOS *con, char *fname, int *error_no, bool printMode) {
         for (int col = 0; col < num_fields; col++) {
           switch (fields[col].type) {
             case TSDB_DATA_TYPE_BOOL:
-              l[col] = max(BOOL_OUTPUT_LENGTH, strlen(fields[col].name));
+              l[col] = MAX(BOOL_OUTPUT_LENGTH, strlen(fields[col].name));
               break;
             case TSDB_DATA_TYPE_TINYINT:
-              l[col] = max(TINYINT_OUTPUT_LENGTH, strlen(fields[col].name));
+              l[col] = MAX(TINYINT_OUTPUT_LENGTH, strlen(fields[col].name));
               break;
             case TSDB_DATA_TYPE_SMALLINT:
-              l[col] = max(SMALLINT_OUTPUT_LENGTH, strlen(fields[col].name));
+              l[col] = MAX(SMALLINT_OUTPUT_LENGTH, strlen(fields[col].name));
               break;
             case TSDB_DATA_TYPE_INT:
-              l[col] = max(INT_OUTPUT_LENGTH, strlen(fields[col].name));
+              l[col] = MAX(INT_OUTPUT_LENGTH, strlen(fields[col].name));
               break;
             case TSDB_DATA_TYPE_BIGINT:
-              l[col] = max(BIGINT_OUTPUT_LENGTH, strlen(fields[col].name));
+              l[col] = MAX(BIGINT_OUTPUT_LENGTH, strlen(fields[col].name));
               break;
             case TSDB_DATA_TYPE_FLOAT:
-              l[col] = max(FLOAT_OUTPUT_LENGTH, strlen(fields[col].name));
+              l[col] = MAX(FLOAT_OUTPUT_LENGTH, strlen(fields[col].name));
               break;
             case TSDB_DATA_TYPE_DOUBLE:
-              l[col] = max(DOUBLE_OUTPUT_LENGTH, strlen(fields[col].name));
+              l[col] = MAX(DOUBLE_OUTPUT_LENGTH, strlen(fields[col].name));
               break;
             case TSDB_DATA_TYPE_BINARY:
             case TSDB_DATA_TYPE_NCHAR:
-              l[col] = max(fields[col].bytes, strlen(fields[col].name));
+              l[col] = MAX(fields[col].bytes, strlen(fields[col].name));
               /* l[col] = max(BINARY_OUTPUT_LENGTH, strlen(fields[col].name)); */
               break;
             case TSDB_DATA_TYPE_TIMESTAMP: {
@@ -408,7 +408,7 @@ int shellDumpResult(TAOS *con, char *fname, int *error_no, bool printMode) {
               if (taos_result_precision(result) == TSDB_TIME_PRECISION_MICRO) {
                 defaultWidth += 3;
               }
-              l[col] = max(defaultWidth, strlen(fields[col].name));
+              l[col] = MAX(defaultWidth, strlen(fields[col].name));
 
               break;
             }
@@ -567,7 +567,7 @@ int shellDumpResult(TAOS *con, char *fname, int *error_no, bool printMode) {
               case TSDB_DATA_TYPE_NCHAR:
                 memset(t_str, 0, TSDB_MAX_BYTES_PER_ROW);
                 memcpy(t_str, row[i], fields[i].bytes);
-                l[i] = max(fields[i].bytes, strlen(fields[i].name));
+                l[i] = MAX(fields[i].bytes, strlen(fields[i].name));
                 shellPrintNChar(t_str, l[i], printMode);
                 break;
               case TSDB_DATA_TYPE_TIMESTAMP: