Line data Source code
1 : //! This module houses types used in decoding of PG WAL
2 : //! records.
3 : //!
4 : //! TODO: Generate separate types for each supported PG version
5 :
6 : use bytes::{Buf, Bytes};
7 : use postgres_ffi_types::TimestampTz;
8 : use serde::{Deserialize, Serialize};
9 : use utils::bin_ser::DeserializeError;
10 : use utils::lsn::Lsn;
11 :
12 : use crate::{
13 : BLCKSZ, BlockNumber, MultiXactId, MultiXactOffset, MultiXactStatus, Oid, PgMajorVersion,
14 : RepOriginId, TransactionId, XLOG_SIZE_OF_XLOG_RECORD, XLogRecord, pg_constants,
15 : };
16 :
17 : #[repr(C)]
18 0 : #[derive(Clone, Debug, Serialize, Deserialize)]
19 : pub struct XlMultiXactCreate {
20 : pub mid: MultiXactId,
21 : /* new MultiXact's ID */
22 : pub moff: MultiXactOffset,
23 : /* its starting offset in members file */
24 : pub nmembers: u32,
25 : /* number of member XIDs */
26 : pub members: Vec<MultiXactMember>,
27 : }
28 :
29 : impl XlMultiXactCreate {
30 0 : pub fn decode(buf: &mut Bytes) -> XlMultiXactCreate {
31 0 : let mid = buf.get_u32_le();
32 0 : let moff = buf.get_u32_le();
33 0 : let nmembers = buf.get_u32_le();
34 0 : let mut members = Vec::new();
35 0 : for _ in 0..nmembers {
36 0 : members.push(MultiXactMember::decode(buf));
37 0 : }
38 0 : XlMultiXactCreate {
39 0 : mid,
40 0 : moff,
41 0 : nmembers,
42 0 : members,
43 0 : }
44 0 : }
45 : }
46 :
47 : #[repr(C)]
48 0 : #[derive(Clone, Debug, Serialize, Deserialize)]
49 : pub struct XlMultiXactTruncate {
50 : pub oldest_multi_db: Oid,
51 : /* to-be-truncated range of multixact offsets */
52 : pub start_trunc_off: MultiXactId,
53 : /* just for completeness' sake */
54 : pub end_trunc_off: MultiXactId,
55 :
56 : /* to-be-truncated range of multixact members */
57 : pub start_trunc_memb: MultiXactOffset,
58 : pub end_trunc_memb: MultiXactOffset,
59 : }
60 :
61 : impl XlMultiXactTruncate {
62 0 : pub fn decode(buf: &mut Bytes) -> XlMultiXactTruncate {
63 0 : XlMultiXactTruncate {
64 0 : oldest_multi_db: buf.get_u32_le(),
65 0 : start_trunc_off: buf.get_u32_le(),
66 0 : end_trunc_off: buf.get_u32_le(),
67 0 : start_trunc_memb: buf.get_u32_le(),
68 0 : end_trunc_memb: buf.get_u32_le(),
69 0 : }
70 0 : }
71 : }
72 :
73 : #[repr(C)]
74 0 : #[derive(Clone, Debug, Serialize, Deserialize)]
75 : pub struct XlRelmapUpdate {
76 : pub dbid: Oid, /* database ID, or 0 for shared map */
77 : pub tsid: Oid, /* database's tablespace, or pg_global */
78 : pub nbytes: i32, /* size of relmap data */
79 : }
80 :
81 : impl XlRelmapUpdate {
82 0 : pub fn decode(buf: &mut Bytes) -> XlRelmapUpdate {
83 0 : XlRelmapUpdate {
84 0 : dbid: buf.get_u32_le(),
85 0 : tsid: buf.get_u32_le(),
86 0 : nbytes: buf.get_i32_le(),
87 0 : }
88 0 : }
89 : }
90 :
91 : #[repr(C)]
92 0 : #[derive(Clone, Debug, Serialize, Deserialize)]
93 : pub struct XlReploriginDrop {
94 : pub node_id: RepOriginId,
95 : }
96 :
97 : impl XlReploriginDrop {
98 0 : pub fn decode(buf: &mut Bytes) -> XlReploriginDrop {
99 0 : XlReploriginDrop {
100 0 : node_id: buf.get_u16_le(),
101 0 : }
102 0 : }
103 : }
104 :
105 : #[repr(C)]
106 0 : #[derive(Clone, Debug, Serialize, Deserialize)]
107 : pub struct XlReploriginSet {
108 : pub remote_lsn: Lsn,
109 : pub node_id: RepOriginId,
110 : }
111 :
112 : impl XlReploriginSet {
113 0 : pub fn decode(buf: &mut Bytes) -> XlReploriginSet {
114 0 : XlReploriginSet {
115 0 : remote_lsn: Lsn(buf.get_u64_le()),
116 0 : node_id: buf.get_u16_le(),
117 0 : }
118 0 : }
119 : }
120 :
121 : #[repr(C)]
122 0 : #[derive(Debug, Clone, Copy, Serialize, Deserialize)]
123 : pub struct RelFileNode {
124 : pub spcnode: Oid, /* tablespace */
125 : pub dbnode: Oid, /* database */
126 : pub relnode: Oid, /* relation */
127 : }
128 :
129 : #[repr(C)]
130 0 : #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
131 : pub struct MultiXactMember {
132 : pub xid: TransactionId,
133 : pub status: MultiXactStatus,
134 : }
135 :
136 : impl MultiXactMember {
137 0 : pub fn decode(buf: &mut Bytes) -> MultiXactMember {
138 0 : MultiXactMember {
139 0 : xid: buf.get_u32_le(),
140 0 : status: buf.get_u32_le(),
141 0 : }
142 0 : }
143 : }
144 :
145 : /// DecodedBkpBlock represents per-page data contained in a WAL record.
146 : #[derive(Default)]
147 : pub struct DecodedBkpBlock {
148 : /* Is this block ref in use? */
149 : //in_use: bool,
150 :
151 : /* Identify the block this refers to */
152 : pub rnode_spcnode: u32,
153 : pub rnode_dbnode: u32,
154 : pub rnode_relnode: u32,
155 : // Note that we have a few special forknum values for non-rel files.
156 : pub forknum: u8,
157 : pub blkno: u32,
158 :
159 : /* copy of the fork_flags field from the XLogRecordBlockHeader */
160 : pub flags: u8,
161 :
162 : /* Information on full-page image, if any */
163 : pub has_image: bool,
164 : /* has image, even for consistency checking */
165 : pub apply_image: bool,
166 : /* has image that should be restored */
167 : pub will_init: bool,
168 : /* record doesn't need previous page version to apply */
169 : //char *bkp_image;
170 : pub hole_offset: u16,
171 : pub hole_length: u16,
172 : pub bimg_offset: u32,
173 : pub bimg_len: u16,
174 : pub bimg_info: u8,
175 :
176 : /* Buffer holding the rmgr-specific data associated with this block */
177 : has_data: bool,
178 : data_len: u16,
179 : }
180 :
181 : impl DecodedBkpBlock {
182 72821 : pub fn new() -> DecodedBkpBlock {
183 72821 : Default::default()
184 72821 : }
185 : }
186 :
187 : #[derive(Default)]
188 : pub struct DecodedWALRecord {
189 : pub xl_xid: TransactionId,
190 : pub xl_info: u8,
191 : pub xl_rmid: u8,
192 : pub record: Bytes, // raw XLogRecord
193 :
194 : pub blocks: Vec<DecodedBkpBlock>,
195 : pub main_data_offset: usize,
196 : pub origin_id: u16,
197 : }
198 :
199 : impl DecodedWALRecord {
200 : /// Check if this WAL record represents a legacy "copy" database creation, which populates new relations
201 : /// by reading other existing relations' data blocks. This is more complex to apply than new-style database
202 : /// creations which simply include all the desired blocks in the WAL, so we need a helper function to detect this case.
203 73532 : pub fn is_dbase_create_copy(&self, pg_version: PgMajorVersion) -> bool {
204 73532 : if self.xl_rmid == pg_constants::RM_DBASE_ID {
205 0 : let info = self.xl_info & pg_constants::XLR_RMGR_INFO_MASK;
206 0 : match pg_version {
207 : PgMajorVersion::PG14 => {
208 : // Postgres 14 database creations are always the legacy kind
209 0 : info == crate::v14::bindings::XLOG_DBASE_CREATE
210 : }
211 0 : PgMajorVersion::PG15 => info == crate::v15::bindings::XLOG_DBASE_CREATE_FILE_COPY,
212 0 : PgMajorVersion::PG16 => info == crate::v16::bindings::XLOG_DBASE_CREATE_FILE_COPY,
213 0 : PgMajorVersion::PG17 => info == crate::v17::bindings::XLOG_DBASE_CREATE_FILE_COPY,
214 : }
215 : } else {
216 73532 : false
217 : }
218 73532 : }
219 : }
220 :
221 : /// Main routine to decode a WAL record and figure out which blocks are modified
222 : //
223 : // See xlogrecord.h for details
224 : // The overall layout of an XLOG record is:
225 : // Fixed-size header (XLogRecord struct)
226 : // XLogRecordBlockHeader struct
227 : // If pg_constants::BKPBLOCK_HAS_IMAGE, an XLogRecordBlockImageHeader struct follows
228 : // If pg_constants::BKPIMAGE_HAS_HOLE and pg_constants::BKPIMAGE_IS_COMPRESSED, an
229 : // XLogRecordBlockCompressHeader struct follows.
230 : // If pg_constants::BKPBLOCK_SAME_REL is not set, a RelFileNode follows
231 : // BlockNumber follows
232 : // XLogRecordBlockHeader struct
233 : // ...
234 : // XLogRecordDataHeader[Short|Long] struct
235 : // block data
236 : // block data
237 : // ...
238 : // main data
239 : //
240 : //
241 : // For performance reasons, the caller provides the DecodedWALRecord struct and the function just fills it in.
242 : // It would be more natural for this function to return a DecodedWALRecord as return value,
243 : // but reusing the caller-supplied struct avoids an allocation.
244 : // This code is in the hot path for digesting incoming WAL, and is very performance sensitive.
245 : //
246 73532 : pub fn decode_wal_record(
247 73532 : record: Bytes,
248 73532 : decoded: &mut DecodedWALRecord,
249 73532 : pg_version: PgMajorVersion,
250 73532 : ) -> anyhow::Result<()> {
251 73532 : let mut rnode_spcnode: u32 = 0;
252 73532 : let mut rnode_dbnode: u32 = 0;
253 73532 : let mut rnode_relnode: u32 = 0;
254 73532 : let mut got_rnode = false;
255 73532 : let mut origin_id: u16 = 0;
256 :
257 73532 : let mut buf = record.clone();
258 :
259 : // 1. Parse XLogRecord struct
260 :
261 : // FIXME: assume little-endian here
262 73532 : let xlogrec = XLogRecord::from_bytes(&mut buf)?;
263 :
264 73532 : tracing::trace!(
265 0 : "decode_wal_record xl_rmid = {} xl_info = {}",
266 : xlogrec.xl_rmid,
267 : xlogrec.xl_info
268 : );
269 :
270 73532 : let remaining: usize = xlogrec.xl_tot_len as usize - XLOG_SIZE_OF_XLOG_RECORD;
271 :
272 73532 : if buf.remaining() != remaining {
273 0 : //TODO error
274 73532 : }
275 :
276 73532 : let mut max_block_id = 0;
277 73532 : let mut blocks_total_len: u32 = 0;
278 73532 : let mut main_data_len = 0;
279 73532 : let mut datatotal: u32 = 0;
280 73532 : decoded.blocks.clear();
281 :
282 : // 2. Decode the headers.
283 : // XLogRecordBlockHeaders if any,
284 : // XLogRecordDataHeader[Short|Long]
285 219873 : while buf.remaining() > datatotal as usize {
286 146341 : let block_id = buf.get_u8();
287 :
288 146341 : match block_id {
289 72906 : pg_constants::XLR_BLOCK_ID_DATA_SHORT => {
290 72906 : /* XLogRecordDataHeaderShort */
291 72906 : main_data_len = buf.get_u8() as u32;
292 72906 : datatotal += main_data_len;
293 72906 : }
294 :
295 614 : pg_constants::XLR_BLOCK_ID_DATA_LONG => {
296 614 : /* XLogRecordDataHeaderLong */
297 614 : main_data_len = buf.get_u32_le();
298 614 : datatotal += main_data_len;
299 614 : }
300 :
301 0 : pg_constants::XLR_BLOCK_ID_ORIGIN => {
302 0 : // RepOriginId is uint16
303 0 : origin_id = buf.get_u16_le();
304 0 : }
305 :
306 0 : pg_constants::XLR_BLOCK_ID_TOPLEVEL_XID => {
307 0 : // TransactionId is uint32
308 0 : buf.advance(4);
309 0 : }
310 :
311 72821 : 0..=pg_constants::XLR_MAX_BLOCK_ID => {
312 : /* XLogRecordBlockHeader */
313 72821 : let mut blk = DecodedBkpBlock::new();
314 :
315 72821 : if block_id <= max_block_id {
316 72821 : // TODO
317 72821 : //report_invalid_record(state,
318 72821 : // "out-of-order block_id %u at %X/%X",
319 72821 : // block_id,
320 72821 : // (uint32) (state->ReadRecPtr >> 32),
321 72821 : // (uint32) state->ReadRecPtr);
322 72821 : // goto err;
323 72821 : }
324 72821 : max_block_id = block_id;
325 :
326 72821 : let fork_flags: u8 = buf.get_u8();
327 72821 : blk.forknum = fork_flags & pg_constants::BKPBLOCK_FORK_MASK;
328 72821 : blk.flags = fork_flags;
329 72821 : blk.has_image = (fork_flags & pg_constants::BKPBLOCK_HAS_IMAGE) != 0;
330 72821 : blk.has_data = (fork_flags & pg_constants::BKPBLOCK_HAS_DATA) != 0;
331 72821 : blk.will_init = (fork_flags & pg_constants::BKPBLOCK_WILL_INIT) != 0;
332 72821 : blk.data_len = buf.get_u16_le();
333 :
334 : /* TODO cross-check that the HAS_DATA flag is set iff data_length > 0 */
335 :
336 72821 : datatotal += blk.data_len as u32;
337 72821 : blocks_total_len += blk.data_len as u32;
338 :
339 72821 : if blk.has_image {
340 30 : blk.bimg_len = buf.get_u16_le();
341 30 : blk.hole_offset = buf.get_u16_le();
342 30 : blk.bimg_info = buf.get_u8();
343 :
344 30 : blk.apply_image = dispatch_pgversion!(
345 30 : pg_version,
346 0 : (blk.bimg_info & pgv::bindings::BKPIMAGE_APPLY) != 0
347 : );
348 :
349 30 : let blk_img_is_compressed =
350 30 : crate::bkpimage_is_compressed(blk.bimg_info, pg_version);
351 :
352 30 : if blk_img_is_compressed {
353 0 : tracing::debug!("compressed block image , pg_version = {}", pg_version);
354 30 : }
355 :
356 30 : if blk_img_is_compressed {
357 0 : if blk.bimg_info & pg_constants::BKPIMAGE_HAS_HOLE != 0 {
358 0 : blk.hole_length = buf.get_u16_le();
359 0 : } else {
360 0 : blk.hole_length = 0;
361 0 : }
362 30 : } else {
363 30 : blk.hole_length = BLCKSZ - blk.bimg_len;
364 30 : }
365 30 : datatotal += blk.bimg_len as u32;
366 30 : blocks_total_len += blk.bimg_len as u32;
367 :
368 : /*
369 : * cross-check that hole_offset > 0, hole_length > 0 and
370 : * bimg_len < BLCKSZ if the HAS_HOLE flag is set.
371 : */
372 30 : if blk.bimg_info & pg_constants::BKPIMAGE_HAS_HOLE != 0
373 18 : && (blk.hole_offset == 0 || blk.hole_length == 0 || blk.bimg_len == BLCKSZ)
374 0 : {
375 0 : // TODO
376 0 : /*
377 0 : report_invalid_record(state,
378 0 : "pg_constants::BKPIMAGE_HAS_HOLE set, but hole offset %u length %u block image length %u at %X/%X",
379 0 : (unsigned int) blk->hole_offset,
380 0 : (unsigned int) blk->hole_length,
381 0 : (unsigned int) blk->bimg_len,
382 0 : (uint32) (state->ReadRecPtr >> 32), (uint32) state->ReadRecPtr);
383 0 : goto err;
384 0 : */
385 30 : }
386 :
387 : /*
388 : * cross-check that hole_offset == 0 and hole_length == 0 if
389 : * the HAS_HOLE flag is not set.
390 : */
391 30 : if blk.bimg_info & pg_constants::BKPIMAGE_HAS_HOLE == 0
392 12 : && (blk.hole_offset != 0 || blk.hole_length != 0)
393 0 : {
394 0 : // TODO
395 0 : /*
396 0 : report_invalid_record(state,
397 0 : "pg_constants::BKPIMAGE_HAS_HOLE not set, but hole offset %u length %u at %X/%X",
398 0 : (unsigned int) blk->hole_offset,
399 0 : (unsigned int) blk->hole_length,
400 0 : (uint32) (state->ReadRecPtr >> 32), (uint32) state->ReadRecPtr);
401 0 : goto err;
402 0 : */
403 30 : }
404 :
405 : /*
406 : * cross-check that bimg_len < BLCKSZ if the IS_COMPRESSED
407 : * flag is set.
408 : */
409 30 : if !blk_img_is_compressed && blk.bimg_len == BLCKSZ {
410 12 : // TODO
411 12 : /*
412 12 : report_invalid_record(state,
413 12 : "pg_constants::BKPIMAGE_IS_COMPRESSED set, but block image length %u at %X/%X",
414 12 : (unsigned int) blk->bimg_len,
415 12 : (uint32) (state->ReadRecPtr >> 32), (uint32) state->ReadRecPtr);
416 12 : goto err;
417 12 : */
418 18 : }
419 :
420 : /*
421 : * cross-check that bimg_len = BLCKSZ if neither HAS_HOLE nor
422 : * IS_COMPRESSED flag is set.
423 : */
424 30 : if blk.bimg_info & pg_constants::BKPIMAGE_HAS_HOLE == 0
425 12 : && !blk_img_is_compressed
426 12 : && blk.bimg_len != BLCKSZ
427 0 : {
428 0 : // TODO
429 0 : /*
430 0 : report_invalid_record(state,
431 0 : "neither pg_constants::BKPIMAGE_HAS_HOLE nor pg_constants::BKPIMAGE_IS_COMPRESSED set, but block image length is %u at %X/%X",
432 0 : (unsigned int) blk->data_len,
433 0 : (uint32) (state->ReadRecPtr >> 32), (uint32) state->ReadRecPtr);
434 0 : goto err;
435 0 : */
436 30 : }
437 72791 : }
438 72821 : if fork_flags & pg_constants::BKPBLOCK_SAME_REL == 0 {
439 72821 : rnode_spcnode = buf.get_u32_le();
440 72821 : rnode_dbnode = buf.get_u32_le();
441 72821 : rnode_relnode = buf.get_u32_le();
442 72821 : got_rnode = true;
443 72821 : } else if !got_rnode {
444 0 : // TODO
445 0 : /*
446 0 : report_invalid_record(state,
447 0 : "pg_constants::BKPBLOCK_SAME_REL set but no previous rel at %X/%X",
448 0 : (uint32) (state->ReadRecPtr >> 32), (uint32) state->ReadRecPtr);
449 0 : goto err; */
450 0 : }
451 :
452 72821 : blk.rnode_spcnode = rnode_spcnode;
453 72821 : blk.rnode_dbnode = rnode_dbnode;
454 72821 : blk.rnode_relnode = rnode_relnode;
455 :
456 72821 : blk.blkno = buf.get_u32_le();
457 72821 : tracing::trace!(
458 0 : "this record affects {}/{}/{} blk {}",
459 : rnode_spcnode,
460 : rnode_dbnode,
461 : rnode_relnode,
462 : blk.blkno
463 : );
464 :
465 72821 : decoded.blocks.push(blk);
466 : }
467 :
468 0 : _ => {
469 0 : // TODO: invalid block_id
470 0 : }
471 : }
472 : }
473 :
474 : // 3. Decode blocks.
475 73532 : let mut ptr = record.len() - buf.remaining();
476 73532 : for blk in decoded.blocks.iter_mut() {
477 72821 : if blk.has_image {
478 30 : blk.bimg_offset = ptr as u32;
479 30 : ptr += blk.bimg_len as usize;
480 72791 : }
481 72821 : if blk.has_data {
482 72791 : ptr += blk.data_len as usize;
483 72791 : }
484 : }
485 : // We don't need them, so just skip blocks_total_len bytes
486 73532 : buf.advance(blocks_total_len as usize);
487 73532 : assert_eq!(ptr, record.len() - buf.remaining());
488 :
489 73532 : let main_data_offset = (xlogrec.xl_tot_len - main_data_len) as usize;
490 :
491 : // 4. Decode main_data
492 73532 : if main_data_len > 0 {
493 73520 : assert_eq!(buf.remaining(), main_data_len as usize);
494 12 : }
495 :
496 73532 : decoded.xl_xid = xlogrec.xl_xid;
497 73532 : decoded.xl_info = xlogrec.xl_info;
498 73532 : decoded.xl_rmid = xlogrec.xl_rmid;
499 73532 : decoded.record = record;
500 73532 : decoded.origin_id = origin_id;
501 73532 : decoded.main_data_offset = main_data_offset;
502 :
503 73532 : Ok(())
504 73532 : }
505 :
506 : pub mod v14 {
507 : use bytes::{Buf, Bytes};
508 :
509 : use crate::{OffsetNumber, TransactionId};
510 :
511 : #[repr(C)]
512 : #[derive(Debug)]
513 : pub struct XlHeapInsert {
514 : pub offnum: OffsetNumber,
515 : pub flags: u8,
516 : }
517 :
518 : impl XlHeapInsert {
519 72638 : pub fn decode(buf: &mut Bytes) -> XlHeapInsert {
520 72638 : XlHeapInsert {
521 72638 : offnum: buf.get_u16_le(),
522 72638 : flags: buf.get_u8(),
523 72638 : }
524 72638 : }
525 : }
526 :
527 : #[repr(C)]
528 : #[derive(Debug)]
529 : pub struct XlHeapMultiInsert {
530 : pub flags: u8,
531 : pub _padding: u8,
532 : pub ntuples: u16,
533 : }
534 :
535 : impl XlHeapMultiInsert {
536 21 : pub fn decode(buf: &mut Bytes) -> XlHeapMultiInsert {
537 21 : XlHeapMultiInsert {
538 21 : flags: buf.get_u8(),
539 21 : _padding: buf.get_u8(),
540 21 : ntuples: buf.get_u16_le(),
541 21 : }
542 21 : }
543 : }
544 :
545 : #[repr(C)]
546 : #[derive(Debug)]
547 : pub struct XlHeapDelete {
548 : pub xmax: TransactionId,
549 : pub offnum: OffsetNumber,
550 : pub _padding: u16,
551 : pub t_cid: u32,
552 : pub infobits_set: u8,
553 : pub flags: u8,
554 : }
555 :
556 : impl XlHeapDelete {
557 0 : pub fn decode(buf: &mut Bytes) -> XlHeapDelete {
558 0 : XlHeapDelete {
559 0 : xmax: buf.get_u32_le(),
560 0 : offnum: buf.get_u16_le(),
561 0 : _padding: buf.get_u16_le(),
562 0 : t_cid: buf.get_u32_le(),
563 0 : infobits_set: buf.get_u8(),
564 0 : flags: buf.get_u8(),
565 0 : }
566 0 : }
567 : }
568 :
569 : #[repr(C)]
570 : #[derive(Debug)]
571 : pub struct XlHeapUpdate {
572 : pub old_xmax: TransactionId,
573 : pub old_offnum: OffsetNumber,
574 : pub old_infobits_set: u8,
575 : pub flags: u8,
576 : pub t_cid: u32,
577 : pub new_xmax: TransactionId,
578 : pub new_offnum: OffsetNumber,
579 : }
580 :
581 : impl XlHeapUpdate {
582 4 : pub fn decode(buf: &mut Bytes) -> XlHeapUpdate {
583 4 : XlHeapUpdate {
584 4 : old_xmax: buf.get_u32_le(),
585 4 : old_offnum: buf.get_u16_le(),
586 4 : old_infobits_set: buf.get_u8(),
587 4 : flags: buf.get_u8(),
588 4 : t_cid: buf.get_u32_le(),
589 4 : new_xmax: buf.get_u32_le(),
590 4 : new_offnum: buf.get_u16_le(),
591 4 : }
592 4 : }
593 : }
594 :
595 : #[repr(C)]
596 : #[derive(Debug)]
597 : pub struct XlHeapLock {
598 : pub locking_xid: TransactionId,
599 : pub offnum: OffsetNumber,
600 : pub _padding: u16,
601 : pub t_cid: u32,
602 : pub infobits_set: u8,
603 : pub flags: u8,
604 : }
605 :
606 : impl XlHeapLock {
607 0 : pub fn decode(buf: &mut Bytes) -> XlHeapLock {
608 0 : XlHeapLock {
609 0 : locking_xid: buf.get_u32_le(),
610 0 : offnum: buf.get_u16_le(),
611 0 : _padding: buf.get_u16_le(),
612 0 : t_cid: buf.get_u32_le(),
613 0 : infobits_set: buf.get_u8(),
614 0 : flags: buf.get_u8(),
615 0 : }
616 0 : }
617 : }
618 :
619 : #[repr(C)]
620 : #[derive(Debug)]
621 : pub struct XlHeapLockUpdated {
622 : pub xmax: TransactionId,
623 : pub offnum: OffsetNumber,
624 : pub infobits_set: u8,
625 : pub flags: u8,
626 : }
627 :
628 : impl XlHeapLockUpdated {
629 0 : pub fn decode(buf: &mut Bytes) -> XlHeapLockUpdated {
630 0 : XlHeapLockUpdated {
631 0 : xmax: buf.get_u32_le(),
632 0 : offnum: buf.get_u16_le(),
633 0 : infobits_set: buf.get_u8(),
634 0 : flags: buf.get_u8(),
635 0 : }
636 0 : }
637 : }
638 :
639 : #[repr(C)]
640 : #[derive(Debug)]
641 : pub struct XlParameterChange {
642 : pub max_connections: i32,
643 : pub max_worker_processes: i32,
644 : pub max_wal_senders: i32,
645 : pub max_prepared_xacts: i32,
646 : pub max_locks_per_xact: i32,
647 : pub wal_level: i32,
648 : pub wal_log_hints: bool,
649 : pub track_commit_timestamp: bool,
650 : pub _padding: [u8; 2],
651 : }
652 :
653 : impl XlParameterChange {
654 0 : pub fn decode(buf: &mut Bytes) -> XlParameterChange {
655 0 : XlParameterChange {
656 0 : max_connections: buf.get_i32_le(),
657 0 : max_worker_processes: buf.get_i32_le(),
658 0 : max_wal_senders: buf.get_i32_le(),
659 0 : max_prepared_xacts: buf.get_i32_le(),
660 0 : max_locks_per_xact: buf.get_i32_le(),
661 0 : wal_level: buf.get_i32_le(),
662 0 : wal_log_hints: buf.get_u8() != 0,
663 0 : track_commit_timestamp: buf.get_u8() != 0,
664 0 : _padding: [buf.get_u8(), buf.get_u8()],
665 0 : }
666 0 : }
667 : }
668 : }
669 :
670 : pub mod v15 {
671 : pub use super::v14::{
672 : XlHeapDelete, XlHeapInsert, XlHeapLock, XlHeapLockUpdated, XlHeapMultiInsert, XlHeapUpdate,
673 : XlParameterChange,
674 : };
675 : }
676 :
677 : pub mod v16 {
678 : use bytes::{Buf, Bytes};
679 :
680 : pub use super::v14::{XlHeapInsert, XlHeapLockUpdated, XlHeapMultiInsert, XlParameterChange};
681 : use crate::{OffsetNumber, TransactionId};
682 :
683 : pub struct XlHeapDelete {
684 : pub xmax: TransactionId,
685 : pub offnum: OffsetNumber,
686 : pub infobits_set: u8,
687 : pub flags: u8,
688 : }
689 :
690 : impl XlHeapDelete {
691 0 : pub fn decode(buf: &mut Bytes) -> XlHeapDelete {
692 0 : XlHeapDelete {
693 0 : xmax: buf.get_u32_le(),
694 0 : offnum: buf.get_u16_le(),
695 0 : infobits_set: buf.get_u8(),
696 0 : flags: buf.get_u8(),
697 0 : }
698 0 : }
699 : }
700 :
701 : #[repr(C)]
702 : #[derive(Debug)]
703 : pub struct XlHeapUpdate {
704 : pub old_xmax: TransactionId,
705 : pub old_offnum: OffsetNumber,
706 : pub old_infobits_set: u8,
707 : pub flags: u8,
708 : pub new_xmax: TransactionId,
709 : pub new_offnum: OffsetNumber,
710 : }
711 :
712 : impl XlHeapUpdate {
713 0 : pub fn decode(buf: &mut Bytes) -> XlHeapUpdate {
714 0 : XlHeapUpdate {
715 0 : old_xmax: buf.get_u32_le(),
716 0 : old_offnum: buf.get_u16_le(),
717 0 : old_infobits_set: buf.get_u8(),
718 0 : flags: buf.get_u8(),
719 0 : new_xmax: buf.get_u32_le(),
720 0 : new_offnum: buf.get_u16_le(),
721 0 : }
722 0 : }
723 : }
724 :
725 : #[repr(C)]
726 : #[derive(Debug)]
727 : pub struct XlHeapLock {
728 : pub locking_xid: TransactionId,
729 : pub offnum: OffsetNumber,
730 : pub infobits_set: u8,
731 : pub flags: u8,
732 : }
733 :
734 : impl XlHeapLock {
735 0 : pub fn decode(buf: &mut Bytes) -> XlHeapLock {
736 0 : XlHeapLock {
737 0 : locking_xid: buf.get_u32_le(),
738 0 : offnum: buf.get_u16_le(),
739 0 : infobits_set: buf.get_u8(),
740 0 : flags: buf.get_u8(),
741 0 : }
742 0 : }
743 : }
744 :
745 : /* Since PG16, we have the Neon RMGR (RM_NEON_ID) to manage Neon-flavored WAL. */
746 : pub mod rm_neon {
747 : use bytes::{Buf, Bytes};
748 :
749 : use crate::{OffsetNumber, TransactionId};
750 :
751 : #[repr(C)]
752 : #[derive(Debug)]
753 : pub struct XlNeonHeapInsert {
754 : pub offnum: OffsetNumber,
755 : pub flags: u8,
756 : }
757 :
758 : impl XlNeonHeapInsert {
759 0 : pub fn decode(buf: &mut Bytes) -> XlNeonHeapInsert {
760 0 : XlNeonHeapInsert {
761 0 : offnum: buf.get_u16_le(),
762 0 : flags: buf.get_u8(),
763 0 : }
764 0 : }
765 : }
766 :
767 : #[repr(C)]
768 : #[derive(Debug)]
769 : pub struct XlNeonHeapMultiInsert {
770 : pub flags: u8,
771 : pub _padding: u8,
772 : pub ntuples: u16,
773 : pub t_cid: u32,
774 : }
775 :
776 : impl XlNeonHeapMultiInsert {
777 0 : pub fn decode(buf: &mut Bytes) -> XlNeonHeapMultiInsert {
778 0 : XlNeonHeapMultiInsert {
779 0 : flags: buf.get_u8(),
780 0 : _padding: buf.get_u8(),
781 0 : ntuples: buf.get_u16_le(),
782 0 : t_cid: buf.get_u32_le(),
783 0 : }
784 0 : }
785 : }
786 :
787 : #[repr(C)]
788 : #[derive(Debug)]
789 : pub struct XlNeonHeapDelete {
790 : pub xmax: TransactionId,
791 : pub offnum: OffsetNumber,
792 : pub infobits_set: u8,
793 : pub flags: u8,
794 : pub t_cid: u32,
795 : }
796 :
797 : impl XlNeonHeapDelete {
798 0 : pub fn decode(buf: &mut Bytes) -> XlNeonHeapDelete {
799 0 : XlNeonHeapDelete {
800 0 : xmax: buf.get_u32_le(),
801 0 : offnum: buf.get_u16_le(),
802 0 : infobits_set: buf.get_u8(),
803 0 : flags: buf.get_u8(),
804 0 : t_cid: buf.get_u32_le(),
805 0 : }
806 0 : }
807 : }
808 :
809 : #[repr(C)]
810 : #[derive(Debug)]
811 : pub struct XlNeonHeapUpdate {
812 : pub old_xmax: TransactionId,
813 : pub old_offnum: OffsetNumber,
814 : pub old_infobits_set: u8,
815 : pub flags: u8,
816 : pub t_cid: u32,
817 : pub new_xmax: TransactionId,
818 : pub new_offnum: OffsetNumber,
819 : }
820 :
821 : impl XlNeonHeapUpdate {
822 0 : pub fn decode(buf: &mut Bytes) -> XlNeonHeapUpdate {
823 0 : XlNeonHeapUpdate {
824 0 : old_xmax: buf.get_u32_le(),
825 0 : old_offnum: buf.get_u16_le(),
826 0 : old_infobits_set: buf.get_u8(),
827 0 : flags: buf.get_u8(),
828 0 : t_cid: buf.get_u32(),
829 0 : new_xmax: buf.get_u32_le(),
830 0 : new_offnum: buf.get_u16_le(),
831 0 : }
832 0 : }
833 : }
834 :
835 : #[repr(C)]
836 : #[derive(Debug)]
837 : pub struct XlNeonHeapLock {
838 : pub locking_xid: TransactionId,
839 : pub t_cid: u32,
840 : pub offnum: OffsetNumber,
841 : pub infobits_set: u8,
842 : pub flags: u8,
843 : }
844 :
845 : impl XlNeonHeapLock {
846 0 : pub fn decode(buf: &mut Bytes) -> XlNeonHeapLock {
847 0 : XlNeonHeapLock {
848 0 : locking_xid: buf.get_u32_le(),
849 0 : t_cid: buf.get_u32_le(),
850 0 : offnum: buf.get_u16_le(),
851 0 : infobits_set: buf.get_u8(),
852 0 : flags: buf.get_u8(),
853 0 : }
854 0 : }
855 : }
856 : }
857 : }
858 :
859 : pub mod v17 {
860 : use bytes::{Buf, Bytes};
861 :
862 : pub use super::v14::XlHeapLockUpdated;
863 : pub use super::v16::{
864 : XlHeapDelete, XlHeapInsert, XlHeapLock, XlHeapMultiInsert, XlHeapUpdate, XlParameterChange,
865 : rm_neon,
866 : };
867 : pub use crate::TimeLineID;
868 : pub use postgres_ffi_types::TimestampTz;
869 :
870 : #[repr(C)]
871 : #[derive(Debug)]
872 : pub struct XlEndOfRecovery {
873 : pub end_time: TimestampTz,
874 : pub this_time_line_id: TimeLineID,
875 : pub prev_time_line_id: TimeLineID,
876 : pub wal_level: i32,
877 : }
878 :
879 : impl XlEndOfRecovery {
880 0 : pub fn decode(buf: &mut Bytes) -> XlEndOfRecovery {
881 0 : XlEndOfRecovery {
882 0 : end_time: buf.get_i64_le(),
883 0 : this_time_line_id: buf.get_u32_le(),
884 0 : prev_time_line_id: buf.get_u32_le(),
885 0 : wal_level: buf.get_i32_le(),
886 0 : }
887 0 : }
888 : }
889 : }
890 :
891 : #[repr(C)]
892 : #[derive(Debug)]
893 : pub struct XlSmgrCreate {
894 : pub rnode: RelFileNode,
895 : // FIXME: This is ForkNumber in storage_xlog.h. That's an enum. Does it have
896 : // well-defined size?
897 : pub forknum: u8,
898 : }
899 :
900 : impl XlSmgrCreate {
901 8 : pub fn decode(buf: &mut Bytes) -> XlSmgrCreate {
902 8 : XlSmgrCreate {
903 8 : rnode: RelFileNode {
904 8 : spcnode: buf.get_u32_le(), /* tablespace */
905 8 : dbnode: buf.get_u32_le(), /* database */
906 8 : relnode: buf.get_u32_le(), /* relation */
907 8 : },
908 8 : forknum: buf.get_u32_le() as u8,
909 8 : }
910 8 : }
911 : }
912 :
913 : #[repr(C)]
914 0 : #[derive(Clone, Debug, Serialize, Deserialize)]
915 : pub struct XlSmgrTruncate {
916 : pub blkno: BlockNumber,
917 : pub rnode: RelFileNode,
918 : pub flags: u32,
919 : }
920 :
921 : impl XlSmgrTruncate {
922 0 : pub fn decode(buf: &mut Bytes) -> XlSmgrTruncate {
923 0 : XlSmgrTruncate {
924 0 : blkno: buf.get_u32_le(),
925 0 : rnode: RelFileNode {
926 0 : spcnode: buf.get_u32_le(), /* tablespace */
927 0 : dbnode: buf.get_u32_le(), /* database */
928 0 : relnode: buf.get_u32_le(), /* relation */
929 0 : },
930 0 : flags: buf.get_u32_le(),
931 0 : }
932 0 : }
933 : }
934 :
935 : #[repr(C)]
936 : #[derive(Debug)]
937 : pub struct XlCreateDatabase {
938 : pub db_id: Oid,
939 : pub tablespace_id: Oid,
940 : pub src_db_id: Oid,
941 : pub src_tablespace_id: Oid,
942 : }
943 :
944 : impl XlCreateDatabase {
945 0 : pub fn decode(buf: &mut Bytes) -> XlCreateDatabase {
946 0 : XlCreateDatabase {
947 0 : db_id: buf.get_u32_le(),
948 0 : tablespace_id: buf.get_u32_le(),
949 0 : src_db_id: buf.get_u32_le(),
950 0 : src_tablespace_id: buf.get_u32_le(),
951 0 : }
952 0 : }
953 : }
954 :
955 : #[repr(C)]
956 : #[derive(Debug)]
957 : pub struct XlDropDatabase {
958 : pub db_id: Oid,
959 : pub n_tablespaces: Oid, /* number of tablespace IDs */
960 : pub tablespace_ids: Vec<Oid>,
961 : }
962 :
963 : impl XlDropDatabase {
964 0 : pub fn decode(buf: &mut Bytes) -> XlDropDatabase {
965 0 : let mut rec = XlDropDatabase {
966 0 : db_id: buf.get_u32_le(),
967 0 : n_tablespaces: buf.get_u32_le(),
968 0 : tablespace_ids: Vec::<Oid>::new(),
969 0 : };
970 :
971 0 : for _i in 0..rec.n_tablespaces {
972 0 : let id = buf.get_u32_le();
973 0 : rec.tablespace_ids.push(id);
974 0 : }
975 :
976 0 : rec
977 0 : }
978 : }
979 :
980 : ///
981 : /// Note: Parsing some fields is missing, because they're not needed.
982 : ///
983 : /// This is similar to the xl_xact_parsed_commit and
984 : /// xl_xact_parsed_abort structs in PostgreSQL, but we use the same
985 : /// struct for commits and aborts.
986 : ///
987 0 : #[derive(Clone, Debug, Serialize, Deserialize)]
988 : pub struct XlXactParsedRecord {
989 : pub xid: TransactionId,
990 : pub info: u8,
991 : pub xact_time: TimestampTz,
992 : pub xinfo: u32,
993 :
994 : pub db_id: Oid,
995 : /* MyDatabaseId */
996 : pub ts_id: Oid,
997 : /* MyDatabaseTableSpace */
998 : pub subxacts: Vec<TransactionId>,
999 :
1000 : pub xnodes: Vec<RelFileNode>,
1001 : pub origin_lsn: Lsn,
1002 : }
1003 :
1004 : impl XlXactParsedRecord {
1005 : /// Decode a XLOG_XACT_COMMIT/ABORT/COMMIT_PREPARED/ABORT_PREPARED
1006 : /// record. This should agree with the ParseCommitRecord and ParseAbortRecord
1007 : /// functions in PostgreSQL (in src/backend/access/rmgr/xactdesc.c)
1008 4 : pub fn decode(buf: &mut Bytes, mut xid: TransactionId, xl_info: u8) -> XlXactParsedRecord {
1009 4 : let info = xl_info & pg_constants::XLOG_XACT_OPMASK;
1010 : // The record starts with time of commit/abort
1011 4 : let xact_time = buf.get_i64_le();
1012 4 : let xinfo = if xl_info & pg_constants::XLOG_XACT_HAS_INFO != 0 {
1013 4 : buf.get_u32_le()
1014 : } else {
1015 0 : 0
1016 : };
1017 : let db_id;
1018 : let ts_id;
1019 4 : if xinfo & pg_constants::XACT_XINFO_HAS_DBINFO != 0 {
1020 4 : db_id = buf.get_u32_le();
1021 4 : ts_id = buf.get_u32_le();
1022 4 : } else {
1023 0 : db_id = 0;
1024 0 : ts_id = 0;
1025 0 : }
1026 4 : let mut subxacts = Vec::<TransactionId>::new();
1027 4 : if xinfo & pg_constants::XACT_XINFO_HAS_SUBXACTS != 0 {
1028 0 : let nsubxacts = buf.get_i32_le();
1029 0 : for _i in 0..nsubxacts {
1030 0 : let subxact = buf.get_u32_le();
1031 0 : subxacts.push(subxact);
1032 0 : }
1033 4 : }
1034 4 : let mut xnodes = Vec::<RelFileNode>::new();
1035 4 : if xinfo & pg_constants::XACT_XINFO_HAS_RELFILENODES != 0 {
1036 0 : let nrels = buf.get_i32_le();
1037 0 : for _i in 0..nrels {
1038 0 : let spcnode = buf.get_u32_le();
1039 0 : let dbnode = buf.get_u32_le();
1040 0 : let relnode = buf.get_u32_le();
1041 0 : tracing::trace!(
1042 0 : "XLOG_XACT_COMMIT relfilenode {}/{}/{}",
1043 : spcnode,
1044 : dbnode,
1045 : relnode
1046 : );
1047 0 : xnodes.push(RelFileNode {
1048 0 : spcnode,
1049 0 : dbnode,
1050 0 : relnode,
1051 0 : });
1052 : }
1053 4 : }
1054 :
1055 4 : if xinfo & crate::v15::bindings::XACT_XINFO_HAS_DROPPED_STATS != 0 {
1056 0 : let nitems = buf.get_i32_le();
1057 0 : tracing::debug!(
1058 0 : "XLOG_XACT_COMMIT-XACT_XINFO_HAS_DROPPED_STAT nitems {}",
1059 : nitems
1060 : );
1061 0 : let sizeof_xl_xact_stats_item = 12;
1062 0 : buf.advance((nitems * sizeof_xl_xact_stats_item).try_into().unwrap());
1063 4 : }
1064 :
1065 4 : if xinfo & pg_constants::XACT_XINFO_HAS_INVALS != 0 {
1066 4 : let nmsgs = buf.get_i32_le();
1067 4 : let sizeof_shared_invalidation_message = 16;
1068 4 : buf.advance(
1069 4 : (nmsgs * sizeof_shared_invalidation_message)
1070 4 : .try_into()
1071 4 : .unwrap(),
1072 4 : );
1073 4 : }
1074 :
1075 4 : if xinfo & pg_constants::XACT_XINFO_HAS_TWOPHASE != 0 {
1076 0 : xid = buf.get_u32_le();
1077 0 : tracing::debug!("XLOG_XACT_COMMIT-XACT_XINFO_HAS_TWOPHASE xid {}", xid);
1078 4 : }
1079 :
1080 4 : let origin_lsn = if xinfo & pg_constants::XACT_XINFO_HAS_ORIGIN != 0 {
1081 0 : Lsn(buf.get_u64_le())
1082 : } else {
1083 4 : Lsn::INVALID
1084 : };
1085 4 : XlXactParsedRecord {
1086 4 : xid,
1087 4 : info,
1088 4 : xact_time,
1089 4 : xinfo,
1090 4 : db_id,
1091 4 : ts_id,
1092 4 : subxacts,
1093 4 : xnodes,
1094 4 : origin_lsn,
1095 4 : }
1096 4 : }
1097 : }
1098 :
1099 : #[repr(C)]
1100 : #[derive(Debug)]
1101 : pub struct XlClogTruncate {
1102 : pub pageno: u32,
1103 : pub oldest_xid: TransactionId,
1104 : pub oldest_xid_db: Oid,
1105 : }
1106 :
1107 : impl XlClogTruncate {
1108 0 : pub fn decode(buf: &mut Bytes, pg_version: PgMajorVersion) -> XlClogTruncate {
1109 : XlClogTruncate {
1110 0 : pageno: if pg_version < PgMajorVersion::PG17 {
1111 0 : buf.get_u32_le()
1112 : } else {
1113 0 : buf.get_u64_le() as u32
1114 : },
1115 0 : oldest_xid: buf.get_u32_le(),
1116 0 : oldest_xid_db: buf.get_u32_le(),
1117 : }
1118 0 : }
1119 : }
1120 :
1121 : #[repr(C)]
1122 : #[derive(Debug)]
1123 : pub struct XlLogicalMessage {
1124 : pub db_id: Oid,
1125 : pub transactional: bool,
1126 : pub prefix_size: usize,
1127 : pub message_size: usize,
1128 : }
1129 :
1130 : impl XlLogicalMessage {
1131 606 : pub fn decode(buf: &mut Bytes) -> XlLogicalMessage {
1132 606 : XlLogicalMessage {
1133 606 : db_id: buf.get_u32_le(),
1134 606 : transactional: buf.get_u32_le() != 0, // 4-bytes alignment
1135 606 : prefix_size: buf.get_u64_le() as usize,
1136 606 : message_size: buf.get_u64_le() as usize,
1137 606 : }
1138 606 : }
1139 : }
1140 :
1141 : #[repr(C)]
1142 : #[derive(Debug)]
1143 : pub struct XlRunningXacts {
1144 : pub xcnt: u32,
1145 : pub subxcnt: u32,
1146 : pub subxid_overflow: bool,
1147 : pub next_xid: TransactionId,
1148 : pub oldest_running_xid: TransactionId,
1149 : pub latest_completed_xid: TransactionId,
1150 : pub xids: Vec<TransactionId>,
1151 : }
1152 :
1153 : impl XlRunningXacts {
1154 0 : pub fn decode(buf: &mut Bytes) -> XlRunningXacts {
1155 0 : let xcnt = buf.get_u32_le();
1156 0 : let subxcnt = buf.get_u32_le();
1157 0 : let subxid_overflow = buf.get_u32_le() != 0;
1158 0 : let next_xid = buf.get_u32_le();
1159 0 : let oldest_running_xid = buf.get_u32_le();
1160 0 : let latest_completed_xid = buf.get_u32_le();
1161 0 : let mut xids = Vec::new();
1162 0 : for _ in 0..(xcnt + subxcnt) {
1163 0 : xids.push(buf.get_u32_le());
1164 0 : }
1165 0 : XlRunningXacts {
1166 0 : xcnt,
1167 0 : subxcnt,
1168 0 : subxid_overflow,
1169 0 : next_xid,
1170 0 : oldest_running_xid,
1171 0 : latest_completed_xid,
1172 0 : xids,
1173 0 : }
1174 0 : }
1175 : }
1176 :
1177 0 : pub fn describe_postgres_wal_record(record: &Bytes) -> Result<String, DeserializeError> {
1178 : // TODO: It would be nice to use the PostgreSQL rmgrdesc infrastructure for this.
1179 : // Maybe use the postgres wal redo process, the same used for replaying WAL records?
1180 : // Or could we compile the rmgrdesc routines into the dump_layer_file() binary directly,
1181 : // without worrying about security?
1182 : //
1183 : // But for now, we have a hand-written code for a few common WAL record types here.
1184 :
1185 0 : let mut buf = record.clone();
1186 :
1187 : // 1. Parse XLogRecord struct
1188 :
1189 : // FIXME: assume little-endian here
1190 0 : let xlogrec = XLogRecord::from_bytes(&mut buf)?;
1191 :
1192 : let unknown_str: String;
1193 :
1194 0 : let result: &str = match xlogrec.xl_rmid {
1195 : pg_constants::RM_HEAP2_ID => {
1196 0 : let info = xlogrec.xl_info & pg_constants::XLOG_HEAP_OPMASK;
1197 0 : match info {
1198 0 : pg_constants::XLOG_HEAP2_MULTI_INSERT => "HEAP2 MULTI_INSERT",
1199 0 : pg_constants::XLOG_HEAP2_VISIBLE => "HEAP2 VISIBLE",
1200 : _ => {
1201 0 : unknown_str = format!("HEAP2 UNKNOWN_0x{info:02x}");
1202 0 : &unknown_str
1203 : }
1204 : }
1205 : }
1206 : pg_constants::RM_HEAP_ID => {
1207 0 : let info = xlogrec.xl_info & pg_constants::XLOG_HEAP_OPMASK;
1208 0 : match info {
1209 0 : pg_constants::XLOG_HEAP_INSERT => "HEAP INSERT",
1210 0 : pg_constants::XLOG_HEAP_DELETE => "HEAP DELETE",
1211 0 : pg_constants::XLOG_HEAP_UPDATE => "HEAP UPDATE",
1212 0 : pg_constants::XLOG_HEAP_HOT_UPDATE => "HEAP HOT_UPDATE",
1213 : _ => {
1214 0 : unknown_str = format!("HEAP2 UNKNOWN_0x{info:02x}");
1215 0 : &unknown_str
1216 : }
1217 : }
1218 : }
1219 : pg_constants::RM_XLOG_ID => {
1220 0 : let info = xlogrec.xl_info & pg_constants::XLR_RMGR_INFO_MASK;
1221 0 : match info {
1222 0 : pg_constants::XLOG_FPI => "XLOG FPI",
1223 0 : pg_constants::XLOG_FPI_FOR_HINT => "XLOG FPI_FOR_HINT",
1224 : _ => {
1225 0 : unknown_str = format!("XLOG UNKNOWN_0x{info:02x}");
1226 0 : &unknown_str
1227 : }
1228 : }
1229 : }
1230 0 : rmid => {
1231 0 : let info = xlogrec.xl_info & pg_constants::XLR_RMGR_INFO_MASK;
1232 :
1233 0 : unknown_str = format!("UNKNOWN_RM_{rmid} INFO_0x{info:02x}");
1234 0 : &unknown_str
1235 : }
1236 : };
1237 :
1238 0 : Ok(String::from(result))
1239 0 : }
|
