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Commit75af5ae

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Don't trash input list structure in does_not_exist_skipping().
The trigger and rule cases need to split up the input name list, butthey mustn't corrupt the passed-in data structure, since it could be partof a cached utility-statement parsetree. Per bug #7641.
1 parenta9dad56 commit75af5ae

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‎src/backend/commands/dropcmds.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -203,7 +203,7 @@ does_not_exist_skipping(ObjectType objtype, List *objname, List *objargs)
203203
caseOBJECT_TRIGGER:
204204
msg=gettext_noop("trigger \"%s\" for table \"%s\" does not exist, skipping");
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name=strVal(llast(objname));
206-
args=NameListToString(list_truncate(objname,
206+
args=NameListToString(list_truncate(list_copy(objname),
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list_length(objname)-1));
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break;
209209
caseOBJECT_EVENT_TRIGGER:
@@ -213,7 +213,7 @@ does_not_exist_skipping(ObjectType objtype, List *objname, List *objargs)
213213
caseOBJECT_RULE:
214214
msg=gettext_noop("rule \"%s\" for relation \"%s\" does not exist, skipping");
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name=strVal(llast(objname));
216-
args=NameListToString(list_truncate(objname,
216+
args=NameListToString(list_truncate(list_copy(objname),
217217
list_length(objname)-1));
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break;
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caseOBJECT_FDW:

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