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Display Posting Length for index entries with segment posting format #39

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8 changes: 7 additions & 1 deletion pg_filedump.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1621,14 +1621,20 @@ FormatItem(char *buffer, unsigned int numBytes, unsigned int startIndex,
IndexTuple itup = (IndexTuple) (&(buffer[startIndex]));

printf(" Block Id: %u linp Index: %u Size: %d\n"
" Has Nulls: %u Has Varwidths: %u\n\n",
" Has Nulls: %u Has Varwidths: %u",
((uint32) ((itup->t_tid.ip_blkid.bi_hi << 16) |
(uint16) itup->t_tid.ip_blkid.bi_lo)),
itup->t_tid.ip_posid,
(int) IndexTupleSize(itup),
IndexTupleHasNulls(itup) ? 1 : 0,
IndexTupleHasVarwidths(itup) ? 1 : 0);

#if PG_VERSION_NUM >= 130000
if (BTreeTupleIsPosting(itup))
printf(" Posting Length: %u", BTreeTupleGetNPosting(itup));
#endif
printf("\n\n");

if (numBytes != IndexTupleSize(itup))
{
printf(" Error: Index item size difference. Given <%u>, "
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6 changes: 6 additions & 0 deletions t/001_basic.pl
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Expand Up @@ -103,6 +103,12 @@ sub test_btree_output
ok($out_ =~ qr/Level/, "Level found");
ok($out_ !~ qr/Next XID/, "Next XID not found");

my $version = $node->safe_psql('postgres', 'show server_version_num');
if ($version >= 130000)
{
like($out_, qr/Posting Length: \d+/, "Posting Length found");
}

# make leaf with BTP_DELETED flag
$node->safe_psql('postgres', "delete from t1 where a >= 2000 and a < 4000;");
$node->safe_psql('postgres', "vacuum t1; checkpoint;");
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