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| author | Richard Guo <rguo@postgresql.org> | 2025-02-25 16:11:34 +0900 |
|---|---|---|
| committer | Richard Guo <rguo@postgresql.org> | 2025-02-25 16:11:34 +0900 |
| commit | 363a6e8c6fcf9f3e19fe673ae02554645974a388 (patch) | |
| tree | 90c302bc55dcf5765c67f28224c6df113910ca95 /src/backend/access/transam/xlogutils.c | |
| parent | 1e4351af329f2949c679a215f63c51d663ecd715 (diff) | |
| download | postgresql-363a6e8c6fcf9f3e19fe673ae02554645974a388.tar.gz postgresql-363a6e8c6fcf9f3e19fe673ae02554645974a388.zip | |
Eliminate code duplication in replace_rte_variables callbacks
The callback functions ReplaceVarsFromTargetList_callback and
pullup_replace_vars_callback are both used to replace Vars in an
expression tree that reference a particular RTE with items from a
targetlist, and they both need to expand whole-tuple references and
deal with OLD/NEW RETURNING list Vars. As a result, currently there
is significant code duplication between these two functions.
This patch introduces a new function, ReplaceVarFromTargetList, to
perform the replacement and calls it from both callback functions,
thereby eliminating code duplication.
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
Author: Richard Guo <guofenglinux@gmail.com>
Reviewed-by: Jian He <jian.universality@gmail.com>
Discussion: https://postgr.es/m/CAEZATCWhr=FM4X5kCPvVs-g2XEk+ceLsNtBK_zZMkqFn9vUjsw@mail.gmail.com
Diffstat (limited to 'src/backend/access/transam/xlogutils.c')
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