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Commit03787f6

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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 parent9eb80f2 commit03787f6

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‎src/backend/commands/dropcmds.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -203,13 +203,13 @@ 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");
205205
name=strVal(llast(objname));
206-
args=NameListToString(list_truncate(objname,
206+
args=NameListToString(list_truncate(list_copy(objname),
207207
list_length(objname)-1));
208208
break;
209209
caseOBJECT_RULE:
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msg=gettext_noop("rule \"%s\" for relation \"%s\" does not exist, skipping");
211211
name=strVal(llast(objname));
212-
args=NameListToString(list_truncate(objname,
212+
args=NameListToString(list_truncate(list_copy(objname),
213213
list_length(objname)-1));
214214
break;
215215
caseOBJECT_FDW:

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