binary-copy-end-v2.patch
text/plain
Filename: binary-copy-end-v2.patch
Type: text/plain
Part: 0
Message:
Re: [HACKERS] Trouble with COPY IN
Patch
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API reference →
Format: context
Series: patch v2
| File | + | − |
|---|---|---|
| src/backend/commands/copy.c | 23 | 0 |
*** a/src/backend/commands/copy.c
--- b/src/backend/commands/copy.c
***************
*** 2058,2069 **** CopyFrom(CopyState cstate)
int16 fld_count;
ListCell *cur;
! if (!CopyGetInt16(cstate, &fld_count) ||
! fld_count == -1)
{
done = true;
break;
}
if (fld_count != attr_count)
ereport(ERROR,
--- 2058,2090 ----
int16 fld_count;
ListCell *cur;
! if (!CopyGetInt16(cstate, &fld_count))
{
done = true;
break;
}
+
+ if (fld_count == -1)
+ {
+ /*
+ * Reached EOF. In protocol version 3, we must wait for
+ * the protocol end of copy (CopyDone/Fail). If we
+ * receive any more copy data after EOF, complain.
+ */
+ if (cstate->copy_dest == COPY_NEW_FE)
+ {
+ int8 unused;
+ if (CopyGetData(cstate, &unused, sizeof(unused), sizeof(unused)))
+ {
+ ereport(ERROR,
+ (errcode(ERRCODE_BAD_COPY_FILE_FORMAT),
+ errmsg("received copy data after EOF marker")));
+ } else {
+ done = true;
+ break;
+ }
+ }
+ }
if (fld_count != attr_count)
ereport(ERROR,