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new 612ef79d4c Check whether attr_encodings is null when call
AddRelationAttributeEncodings (#1001)
612ef79d4c is described below
commit 612ef79d4c8a65e481dfcf05f5218268430002e9
Author: Xun Gong <gong...@hashdata.cn>
AuthorDate: Thu Apr 3 11:36:08 2025 +0800
Check whether attr_encodings is null when call
AddRelationAttributeEncodings (#1001)
For ALTER TABLE xxx ADD COLUMN a int;
If the custom table am implements the transform_column_encoding_clauses
interface, but 'colDefs', 'stenc', and 'withOptions' are all empty,
transformColumnEncoding may return null.
so it should check whether attr_encodings is null when call
AddRelationAttributeEncodings
---
src/backend/catalog/pg_attribute_encoding.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/backend/catalog/pg_attribute_encoding.c
b/src/backend/catalog/pg_attribute_encoding.c
index 92dced7437..5ed1558f4f 100644
--- a/src/backend/catalog/pg_attribute_encoding.c
+++ b/src/backend/catalog/pg_attribute_encoding.c
@@ -256,6 +256,8 @@ RelationGetAttributeOptions(Relation rel)
void
AddRelationAttributeEncodings(Relation rel, List *attr_encodings)
{
+ if (!attr_encodings)
+ return;
Oid relid = RelationGetRelid(rel);
ListCell *lc;
ListCell *lc_filenum;
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