Added test case.

pranavktiwari · pranavktiwari · commit f96c56c47cd9 · 2026-06-15T18:08:36.000+05:30
diff --git a/sql/vers_string.h b/sql/vers_string.h
@@ -63,11 +63,11 @@ struct Lex_cstring_with_compare : public Lex_cstring
   { }
   bool streq(const Lex_cstring_with_compare& b) const
   {
+    if (length != b.length)
+      return false;
     if (str == NULL || b.str == NULL)
-      return str == b.str && length == b.length;
-
-    return length == b.length &&
-           0 == Compare()(*this, b);
+      return str == b.str;
+    return length == 0 || 0 == Compare()(*this, b);
   }
   operator const char* () const
   {

Original file line number	Diff line number	Diff line change
`@@ -63,11 +63,11 @@ struct Lex_cstring_with_compare : public Lex_cstring`
`63`	`63`	`{ }`
`64`	`64`	`bool streq(const Lex_cstring_with_compare& b) const`
`65`	`65`	`{`
	`66`	`+ if (length != b.length)`
	`67`	`+ return false;`
`66`	`68`	`if (str == NULL \|\| b.str == NULL)`
`67`		`- return str == b.str && length == b.length;`
`68`		`-`
`69`		`- return length == b.length &&`
`70`		`- 0 == Compare()(*this, b);`
	`69`	`+ return str == b.str;`
	`70`	`+ return length == 0 \|\| 0 == Compare()(*this, b);`
`71`	`71`	`}`
`72`	`72`	`operator const char* () const`
`73`	`73`	`{`