Github user wenxiaozxw commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/981#discussion_r104351270
--- Diff: src/backend/access/external/pxffilters.c ---
@@ -376,6 +467,46 @@ pxf_serialize_filter_list(List *expressionItems)
switch (tag)
{
+ case T_Var:
--- End diff --
Which scenario is the expr type is T_Var?
In you comment is IN(single_value),but IN(single_value) is also
T_OpExpr(Var + Const)
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