From be7aacc43f2dd5042e295981fca023e680183c52 Mon Sep 17 00:00:00 2001
From: Alex Duan <417921451@qq.com>
Date: Sat, 6 May 2023 10:24:42 +0800
Subject: [PATCH] fix: print float with 20 width limit

---
 tools/shell/src/shellEngine.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/shell/src/shellEngine.c b/tools/shell/src/shellEngine.c
index 5ac32eaad9..0f91bdeeda 100644
--- a/tools/shell/src/shellEngine.c
+++ b/tools/shell/src/shellEngine.c
@@ -554,7 +554,12 @@ void shellPrintField(const char *val, TAOS_FIELD *field, int32_t width, int32_t
       if (tsEnableScience) {
         printf("%*e", width, GET_FLOAT_VAL(val));
       } else {
-        printf("%*.5f", width, GET_FLOAT_VAL(val));
+        n = snprintf(buf, TSDB_MAX_BYTES_PER_ROW, "%*.5f", width, GET_FLOAT_VAL(val));
+        if (n > TMAX(20, width)) {
+            printf("%*e", width, GET_FLOAT_VAL(val));
+        } else {
+            printf("%s", buf);
+        }
       }
       break;
     case TSDB_DATA_TYPE_DOUBLE: