From b7a5e3490826818d02696f70ec83d3fdea3f0caa Mon Sep 17 00:00:00 2001
From: lx0 <lx0@oceanbase.com>
Date: Fri, 14 Jan 2022 10:51:45 +0800
Subject: [PATCH] Add sanity_check API for ObNumber

---
 deps/oblib/src/lib/number/ob_number_v2.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/deps/oblib/src/lib/number/ob_number_v2.h b/deps/oblib/src/lib/number/ob_number_v2.h
index 199c0d47f..eb2140238 100644
--- a/deps/oblib/src/lib/number/ob_number_v2.h
+++ b/deps/oblib/src/lib/number/ob_number_v2.h
@@ -184,6 +184,24 @@ public:
   // v2: algorithmic optimization edition
   // v3: engineering optimization edition
 
+  int sanity_check()
+  {
+    int ret = OB_SUCCESS;
+    if (d_.len_ > OB_MAX_DECIMAL_DIGIT) {
+      ret = OB_ERR_UNEXPECTED;
+      _OB_LOG(WARN, "Invalid digit len %u", d_.len_);
+    } else if (d_.len_ > 0 && digits_ != nullptr) {
+      for (auto i = 0; OB_SUCC(ret) && i < d_.len_; i++) {
+        if (digits_[i] >= BASE) {
+          ret = OB_ERR_UNEXPECTED;
+          _OB_LOG(WARN, "Invalid value %u", digits_[i]);
+        } else {
+          _OB_LOG(DEBUG, "Digit value %u", digits_[i]);
+        }
+      }
+    }
+    return ret;
+  }
   template <class T>
   int from(const int64_t value, T& allocator);
   template <class T>
-- 
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