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From: Peter Eisentraut <[email protected]>
To: vaibhave postgres <[email protected]>
To: [email protected]
To: [email protected]
Subject: Re: BUG #19542: Boolean syntax in GRAPH_TABLE
Date: Wed, 8 Jul 2026 09:51:11 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAM_eQjx8oO1CwcnYukKsTzzy-rcTn2vHdXk3jtgA91ZdoQ=4nw@mail.gmail.com>
References: <[email protected]>
	<CAM_eQjx8oO1CwcnYukKsTzzy-rcTn2vHdXk3jtgA91ZdoQ=4nw@mail.gmail.com>

On 05.07.26 10:20, vaibhave postgres wrote:
> Thanks for reporting.
> 
> The crash comes from replace_property_refs() (src/backend/rewrite/ 
> rewriteGraphTable.c) which rewrites the GraphPropertyRef nodes.
> 
> It calls expression_tree_mutator() directly on the top level node 
> instead of calling it's mutator (replace_property_refs_mutator()) which 
> treats GraphPropertyRef as a leaf & just copies it unchanged.
> 
>     ```
>     case T_GraphLabelRef:
>     case T_GraphPropertyRef:
>     case T_MergeSupportFunc:
> 
>         return copyObject(node);
> 
>     ```
> 
> 
> The fix is to call the mutator directly at the entry point.

Thanks, this has also been discovered in [0], and the fix there is the same.

[0]: 
https://www.postgresql.org/message-id/flat/20260630173053.51.noahmisch%40microsoft.com

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