fix sha expr bug

ede4af85 · obdev · wangzelin.wzl · 067a2a63 · ede4af85
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src/sql/engine/expr/ob_datum_cast.cpp src/sql/engine/expr/ob_datum_cast.cpp +1 -1

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--- a/src/sql/engine/expr/ob_datum_cast.cpp
+++ b/src/sql/engine/expr/ob_datum_cast.cpp
@@ -250,7 +250,7 @@ int ObDatumHexUtils::hex(const ObExpr &expr, const ObString &in_str, ObEvalCtx &
        ret = OB_ALLOCATE_MEMORY_FAILED;
        LOG_WARN("alloc memory failed", K(ret), K(alloc_length));
      } else {
-        static const char *HEXCHARS = upper_case ? "0123456789ABCDEF" : "0123456789abcdef";
+        const char *HEXCHARS = upper_case ? "0123456789ABCDEF" : "0123456789abcdef";
        int32_t pos = 0;
        for (int32_t i = 0; i < in_str.length(); ++i) {
          buf[pos++] = HEXCHARS[in_str[i] >> 4 & 0xF];