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-rw-r--r--src/backend/commands/tablecmds.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 028e8ac46b3..4e23c7fce5f 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -4408,8 +4408,7 @@ ATPrepCmd(List **wqueue, Relation rel, AlterTableCmd *cmd,
* Copy the original subcommand for each table. This avoids conflicts
* when different child tables need to make different parse
* transformations (for example, the same column may have different column
- * numbers in different children). It also ensures that we don't corrupt
- * the original parse tree, in case it is saved in plancache.
+ * numbers in different children).
*/
cmd = copyObject(cmd);