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Commit728f152

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Add rmgr callback to name xlog record types for display purposes.
This is primarily useful for the upcoming pg_xlogdump --stats feature,but also allows to remove some duplicated code in the rmgr_descroutines.Due to the separation and harmonization, the output of dipsplayedrecords changes somewhat. But since this isn't enduser orientedcontent that's ok.It's potentially desirable to further change pg_xlogdump's display ofrecords. It previously wasn't possible to show the record typeseparately from the description forcing it to be in the lastcolumn. But that's better done in a separate commit.Author: Abhijit Menon-Sen, slightly editorialized by meReviewed-By: Álvaro Herrera, Andres Freund, and Heikki LinnakangasDiscussion: 20140604104716.GA3989@toroid.org
1 parent7e3f728 commit728f152

40 files changed

+587
-233
lines changed

‎contrib/pg_xlogdump/pg_xlogdump.c‎

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -339,7 +339,7 @@ XLogDumpDisplayRecord(XLogDumpConfig *config, XLogRecPtr ReadRecPtr, XLogRecord
339339

340340
config->already_displayed_records++;
341341

342-
printf("rmgr: %-11s len (rec/tot): %6u/%6u, tx: %10u, lsn: %X/%08X, prev %X/%08X, bkp: %u%u%u%u, desc: ",
342+
printf("rmgr: %-11s len (rec/tot): %6u/%6u, tx: %10u, lsn: %X/%08X, prev %X/%08X, bkp: %u%u%u%u, desc:%s",
343343
desc->rm_name,
344344
record->xl_len,record->xl_tot_len,
345345
record->xl_xid,
@@ -348,7 +348,8 @@ XLogDumpDisplayRecord(XLogDumpConfig *config, XLogRecPtr ReadRecPtr, XLogRecord
348348
!!(XLR_BKP_BLOCK(0)&record->xl_info),
349349
!!(XLR_BKP_BLOCK(1)&record->xl_info),
350350
!!(XLR_BKP_BLOCK(2)&record->xl_info),
351-
!!(XLR_BKP_BLOCK(3)&record->xl_info));
351+
!!(XLR_BKP_BLOCK(3)&record->xl_info),
352+
desc->rm_identify(record->xl_info));
352353

353354
/* the desc routine will printf the description directly to stdout */
354355
desc->rm_desc(NULL,record);

‎contrib/pg_xlogdump/rmgrdesc.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -27,8 +27,8 @@
2727
#include"storage/standby.h"
2828
#include"utils/relmapper.h"
2929

30-
#definePG_RMGR(symname,name,redo,desc,startup,cleanup) \
31-
{ name, desc, },
30+
#definePG_RMGR(symname,name,redo,desc,identify,startup,cleanup) \
31+
{ name, desc,identify},
3232

3333
constRmgrDescDataRmgrDescTable[RM_MAX_ID+1]= {
3434
#include"access/rmgrlist.h"

‎contrib/pg_xlogdump/rmgrdesc.h‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -14,6 +14,7 @@ typedef struct RmgrDescData
1414
{
1515
constchar*rm_name;
1616
void(*rm_desc) (StringInfobuf,XLogRecord*record);
17+
constchar*(*rm_identify) (uint8info);
1718
}RmgrDescData;
1819

1920
externconstRmgrDescDataRmgrDescTable[];

‎src/backend/access/rmgrdesc/clogdesc.c‎

Lines changed: 18 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -23,20 +23,29 @@ clog_desc(StringInfo buf, XLogRecord *record)
2323
char*rec=XLogRecGetData(record);
2424
uint8info=record->xl_info& ~XLR_INFO_MASK;
2525

26-
if (info==CLOG_ZEROPAGE)
26+
if (info==CLOG_ZEROPAGE||info==CLOG_TRUNCATE)
2727
{
2828
intpageno;
2929

3030
memcpy(&pageno,rec,sizeof(int));
31-
appendStringInfo(buf,"zeropage:%d",pageno);
31+
appendStringInfo(buf,"%d",pageno);
3232
}
33-
elseif (info==CLOG_TRUNCATE)
34-
{
35-
intpageno;
33+
}
3634

37-
memcpy(&pageno,rec,sizeof(int));
38-
appendStringInfo(buf,"truncate before: %d",pageno);
35+
constchar*
36+
clog_identify(uint8info)
37+
{
38+
constchar*id=NULL;
39+
40+
switch (info)
41+
{
42+
caseCLOG_ZEROPAGE:
43+
id="ZEROPAGE";
44+
break;
45+
caseCLOG_TRUNCATE:
46+
id="TRUNCATE";
47+
break;
3948
}
40-
else
41-
appendStringInfoString(buf,"UNKNOWN");
49+
50+
returnid;
4251
}

‎src/backend/access/rmgrdesc/dbasedesc.c‎

Lines changed: 20 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -28,17 +28,33 @@ dbase_desc(StringInfo buf, XLogRecord *record)
2828
{
2929
xl_dbase_create_rec*xlrec= (xl_dbase_create_rec*)rec;
3030

31-
appendStringInfo(buf,"create db:copy dir %u/%u to %u/%u",
31+
appendStringInfo(buf,"copy dir %u/%u to %u/%u",
3232
xlrec->src_db_id,xlrec->src_tablespace_id,
3333
xlrec->db_id,xlrec->tablespace_id);
3434
}
3535
elseif (info==XLOG_DBASE_DROP)
3636
{
3737
xl_dbase_drop_rec*xlrec= (xl_dbase_drop_rec*)rec;
3838

39-
appendStringInfo(buf,"drop db:dir %u/%u",
39+
appendStringInfo(buf,"dir %u/%u",
4040
xlrec->db_id,xlrec->tablespace_id);
4141
}
42-
else
43-
appendStringInfoString(buf,"UNKNOWN");
42+
}
43+
44+
constchar*
45+
dbase_identify(uint8info)
46+
{
47+
constchar*id=NULL;
48+
49+
switch (info)
50+
{
51+
caseXLOG_DBASE_CREATE:
52+
id="CREATE";
53+
break;
54+
caseXLOG_DBASE_DROP:
55+
id="DROP";
56+
break;
57+
}
58+
59+
returnid;
4460
}

‎src/backend/access/rmgrdesc/gindesc.c‎

Lines changed: 42 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -85,19 +85,16 @@ gin_desc(StringInfo buf, XLogRecord *record)
8585
switch (info)
8686
{
8787
caseXLOG_GIN_CREATE_INDEX:
88-
appendStringInfoString(buf,"Create index, ");
8988
desc_node(buf,*(RelFileNode*)rec,GIN_ROOT_BLKNO);
9089
break;
9190
caseXLOG_GIN_CREATE_PTREE:
92-
appendStringInfoString(buf,"Create posting tree, ");
9391
desc_node(buf, ((ginxlogCreatePostingTree*)rec)->node, ((ginxlogCreatePostingTree*)rec)->blkno);
9492
break;
9593
caseXLOG_GIN_INSERT:
9694
{
9795
ginxlogInsert*xlrec= (ginxlogInsert*)rec;
9896
char*payload=rec+sizeof(ginxlogInsert);
9997

100-
appendStringInfoString(buf,"Insert item, ");
10198
desc_node(buf,xlrec->node,xlrec->blkno);
10299
appendStringInfo(buf," isdata: %c isleaf: %c",
103100
(xlrec->flags&GIN_INSERT_ISDATA) ?'T' :'F',
@@ -142,7 +139,6 @@ gin_desc(StringInfo buf, XLogRecord *record)
142139
{
143140
ginxlogSplit*xlrec= (ginxlogSplit*)rec;
144141

145-
appendStringInfoString(buf,"Page split, ");
146142
desc_node(buf, ((ginxlogSplit*)rec)->node, ((ginxlogSplit*)rec)->lblkno);
147143
appendStringInfo(buf," isrootsplit: %c", (((ginxlogSplit*)rec)->flags&GIN_SPLIT_ROOT) ?'T' :'F');
148144
appendStringInfo(buf," isdata: %c isleaf: %c",
@@ -151,14 +147,12 @@ gin_desc(StringInfo buf, XLogRecord *record)
151147
}
152148
break;
153149
caseXLOG_GIN_VACUUM_PAGE:
154-
appendStringInfoString(buf,"Vacuum page, ");
155150
desc_node(buf, ((ginxlogVacuumPage*)rec)->node, ((ginxlogVacuumPage*)rec)->blkno);
156151
break;
157152
caseXLOG_GIN_VACUUM_DATA_LEAF_PAGE:
158153
{
159154
ginxlogVacuumDataLeafPage*xlrec= (ginxlogVacuumDataLeafPage*)rec;
160155

161-
appendStringInfoString(buf,"Vacuum data leaf page, ");
162156
desc_node(buf,xlrec->node,xlrec->blkno);
163157
if (record->xl_info&XLR_BKP_BLOCK(0))
164158
appendStringInfo(buf," (full page image)");
@@ -167,23 +161,59 @@ gin_desc(StringInfo buf, XLogRecord *record)
167161
}
168162
break;
169163
caseXLOG_GIN_DELETE_PAGE:
170-
appendStringInfoString(buf,"Delete page, ");
171164
desc_node(buf, ((ginxlogDeletePage*)rec)->node, ((ginxlogDeletePage*)rec)->blkno);
172165
break;
173166
caseXLOG_GIN_UPDATE_META_PAGE:
174-
appendStringInfoString(buf,"Update metapage, ");
175167
desc_node(buf, ((ginxlogUpdateMeta*)rec)->node,GIN_METAPAGE_BLKNO);
176168
break;
177169
caseXLOG_GIN_INSERT_LISTPAGE:
178-
appendStringInfoString(buf,"Insert new list page, ");
179170
desc_node(buf, ((ginxlogInsertListPage*)rec)->node, ((ginxlogInsertListPage*)rec)->blkno);
180171
break;
181172
caseXLOG_GIN_DELETE_LISTPAGE:
182-
appendStringInfo(buf,"Delete list pages (%d), ", ((ginxlogDeleteListPages*)rec)->ndeleted);
173+
appendStringInfo(buf,"%d pages, ", ((ginxlogDeleteListPages*)rec)->ndeleted);
183174
desc_node(buf, ((ginxlogDeleteListPages*)rec)->node,GIN_METAPAGE_BLKNO);
184175
break;
185-
default:
186-
appendStringInfo(buf,"unknown gin op code %u",info);
176+
}
177+
}
178+
179+
constchar*
180+
gin_identify(uint8info)
181+
{
182+
constchar*id=NULL;
183+
184+
switch (info)
185+
{
186+
caseXLOG_GIN_CREATE_INDEX:
187+
id="CREATE_INDEX";
188+
break;
189+
caseXLOG_GIN_CREATE_PTREE:
190+
id="CREATE_PTREE";
191+
break;
192+
caseXLOG_GIN_INSERT:
193+
id="INSERT";
194+
break;
195+
caseXLOG_GIN_SPLIT:
196+
id="SPLIT";
197+
break;
198+
caseXLOG_GIN_VACUUM_PAGE:
199+
id="VACUUM_PAGE";
200+
break;
201+
caseXLOG_GIN_VACUUM_DATA_LEAF_PAGE:
202+
id="VACUUM_DATA_LEAF_PAGE";
203+
break;
204+
caseXLOG_GIN_DELETE_PAGE:
205+
id="DELETE_PAGE";
206+
break;
207+
caseXLOG_GIN_UPDATE_META_PAGE:
208+
id="UPDATE_META_PAGE";
209+
break;
210+
caseXLOG_GIN_INSERT_LISTPAGE:
211+
id="INSERT_LISTPAGE";
212+
break;
213+
caseXLOG_GIN_DELETE_LISTPAGE:
214+
id="DELETE_LISTPAGE";
187215
break;
188216
}
217+
218+
returnid;
189219
}

‎src/backend/access/rmgrdesc/gistdesc.c‎

Lines changed: 21 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -50,20 +50,37 @@ gist_desc(StringInfo buf, XLogRecord *record)
5050
switch (info)
5151
{
5252
caseXLOG_GIST_PAGE_UPDATE:
53-
appendStringInfoString(buf,"page_update: ");
5453
out_gistxlogPageUpdate(buf, (gistxlogPageUpdate*)rec);
5554
break;
5655
caseXLOG_GIST_PAGE_SPLIT:
5756
out_gistxlogPageSplit(buf, (gistxlogPageSplit*)rec);
5857
break;
5958
caseXLOG_GIST_CREATE_INDEX:
60-
appendStringInfo(buf,"create_index:rel %u/%u/%u",
59+
appendStringInfo(buf,"rel %u/%u/%u",
6160
((RelFileNode*)rec)->spcNode,
6261
((RelFileNode*)rec)->dbNode,
6362
((RelFileNode*)rec)->relNode);
6463
break;
65-
default:
66-
appendStringInfo(buf,"unknown gist op code %u",info);
64+
}
65+
}
66+
67+
constchar*
68+
gist_identify(uint8info)
69+
{
70+
constchar*id=NULL;
71+
72+
switch (info)
73+
{
74+
caseXLOG_GIST_PAGE_UPDATE:
75+
id="PAGE_UPDATE";
76+
break;
77+
caseXLOG_GIST_PAGE_SPLIT:
78+
id="PAGE_SPLIT";
79+
break;
80+
caseXLOG_GIST_CREATE_INDEX:
81+
id="CREATE_INDEX";
6782
break;
6883
}
84+
85+
returnid;
6986
}

‎src/backend/access/rmgrdesc/hashdesc.c‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -20,3 +20,9 @@ void
2020
hash_desc(StringInfobuf,XLogRecord*record)
2121
{
2222
}
23+
24+
constchar*
25+
hash_identify(uint8info)
26+
{
27+
returnNULL;
28+
}

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