fix(mysql): explicitly handle the zero integer -> timestamp case

ibis-project · Feb 18, 2025 · f5e8c4f · f5e8c4f
1 parent 90a1aee
commit f5e8c4f
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/ibis/backends/sql/compilers/mysql.py b/ibis/backends/sql/compilers/mysql.py
@@ -115,7 +115,11 @@ def visit_Cast(self, op, *, arg, to):
             # for TEXT (except when casting of course!)
             return arg
         elif from_.is_integer() and to.is_timestamp():
-            return self.f.from_unixtime(arg)
+            return self.if_(
+                arg.eq(0),
+                self.f.timestamp("1970-01-01 00:00:00"),
+                self.f.from_unixtime(arg),
+            )
         return super().visit_Cast(op, arg=arg, to=to)
 
     def visit_TimestampDiff(self, op, *, left, right):