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Rename the conflict types for the origin differ cases.

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The conflict types 'update_differ' and 'delete_differ' indicate that a row
to be modified was previously altered by another origin. Rename those to
'update_origin_differs' and 'delete_origin_differs' to clarify their
meaning.

Author: Hou Zhijie
Reviewed-by: Shveta Malik, Peter Smith
Discussion: https://postgr.es/m/CAA4eK1+HEKwG_UYt4Zvwh5o_HoCKCjEGesRjJX38xAH3OxuuYA@mail.gmail.com
This commit is contained in:
Amit Kapila
2024-08-29 09:12:12 +05:30
parent 9d90e2bdaf
commit 640178c92e
6 changed files with 17 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
doc/src/sgml/logical-replication.sgml
View File

@ -1599,7 +1599,7 @@ test_sub=# SELECT * FROM t1 ORDER BY id;
</listitem>
</varlistentry>
<varlistentry>
<term><literal>update_differ</literal></term>
<term><literal>update_origin_differs</literal></term>
<listitem>
<para>
Updating a row that was previously modified by another origin.
@ -1637,7 +1637,7 @@ test_sub=# SELECT * FROM t1 ORDER BY id;
</listitem>
</varlistentry>
<varlistentry>
<term><literal>delete_differ</literal></term>
<term><literal>delete_origin_differs</literal></term>
<listitem>
<para>
Deleting a row that was previously modified by another origin. Note that
@ -1723,7 +1723,7 @@ DETAIL: <replaceable class="parameter">detailed_explanation</replaceable>.
<para>
The <literal>existing local tuple</literal> section includes the local
tuple if its origin differs from the remote tuple for
<literal>update_differ</literal> or <literal>delete_differ</literal>
<literal>update_origin_differs</literal> or <literal>delete_origin_differs</literal>
conflicts, or if the key value conflicts with the remote tuple for
<literal>insert_exists</literal> or <literal>update_exists</literal>
conflicts.

12
src/backend/replication/logical/conflict.c
View File

@ -24,10 +24,10 @@
static const char *const ConflictTypeNames[] = {
[CT_INSERT_EXISTS] = "insert_exists",
[CT_UPDATE_DIFFER] = "update_differ",
[CT_UPDATE_ORIGIN_DIFFERS] = "update_origin_differs",
[CT_UPDATE_EXISTS] = "update_exists",
[CT_UPDATE_MISSING] = "update_missing",
[CT_DELETE_DIFFER] = "delete_differ",
[CT_DELETE_ORIGIN_DIFFERS] = "delete_origin_differs",
[CT_DELETE_MISSING] = "delete_missing"
};
@ -167,9 +167,9 @@ errcode_apply_conflict(ConflictType type)
case CT_INSERT_EXISTS:
case CT_UPDATE_EXISTS:
return errcode(ERRCODE_UNIQUE_VIOLATION);
case CT_UPDATE_DIFFER:
case CT_UPDATE_ORIGIN_DIFFERS:
case CT_UPDATE_MISSING:
case CT_DELETE_DIFFER:
case CT_DELETE_ORIGIN_DIFFERS:
case CT_DELETE_MISSING:
return errcode(ERRCODE_T_R_SERIALIZATION_FAILURE);
}
@ -237,7 +237,7 @@ errdetail_apply_conflict(EState *estate, ResultRelInfo *relinfo,
break;
case CT_UPDATE_DIFFER:
case CT_UPDATE_ORIGIN_DIFFERS:
if (localorigin == InvalidRepOriginId)
appendStringInfo(&err_detail, _("Updating the row that was modified locally in transaction %u at %s."),
localxmin, timestamptz_to_str(localts));
@ -256,7 +256,7 @@ errdetail_apply_conflict(EState *estate, ResultRelInfo *relinfo,
appendStringInfo(&err_detail, _("Could not find the row to be updated."));
break;
case CT_DELETE_DIFFER:
case CT_DELETE_ORIGIN_DIFFERS:
if (localorigin == InvalidRepOriginId)
appendStringInfo(&err_detail, _("Deleting the row that was modified locally in transaction %u at %s."),
localxmin, timestamptz_to_str(localts));

6
src/backend/replication/logical/worker.c
View File

@ -2702,7 +2702,7 @@ apply_handle_update_internal(ApplyExecutionData *edata,
newslot = table_slot_create(localrel, &estate->es_tupleTable);
slot_store_data(newslot, relmapentry, newtup);
ReportApplyConflict(estate, relinfo, LOG, CT_UPDATE_DIFFER,
ReportApplyConflict(estate, relinfo, LOG, CT_UPDATE_ORIGIN_DIFFERS,
remoteslot, localslot, newslot,
InvalidOid, localxmin, localorigin, localts);
}
@ -2868,7 +2868,7 @@ apply_handle_delete_internal(ApplyExecutionData *edata,
*/
if (GetTupleTransactionInfo(localslot, &localxmin, &localorigin, &localts) &&
localorigin != replorigin_session_origin)
ReportApplyConflict(estate, relinfo, LOG, CT_DELETE_DIFFER,
ReportApplyConflict(estate, relinfo, LOG, CT_DELETE_ORIGIN_DIFFERS,
remoteslot, localslot, NULL,
InvalidOid, localxmin, localorigin, localts);
@ -3097,7 +3097,7 @@ apply_handle_tuple_routing(ApplyExecutionData *edata,
newslot = table_slot_create(partrel, &estate->es_tupleTable);
slot_store_data(newslot, part_entry, newtup);
ReportApplyConflict(estate, partrelinfo, LOG, CT_UPDATE_DIFFER,
ReportApplyConflict(estate, partrelinfo, LOG, CT_UPDATE_ORIGIN_DIFFERS,
remoteslot_part, localslot, newslot,
InvalidOid, localxmin, localorigin,
localts);

4
src/include/replication/conflict.h
View File

@ -21,7 +21,7 @@ typedef enum
CT_INSERT_EXISTS,
/* The row to be updated was modified by a different origin */
CT_UPDATE_DIFFER,
CT_UPDATE_ORIGIN_DIFFERS,
/* The updated row value violates unique constraint */
CT_UPDATE_EXISTS,
@ -30,7 +30,7 @@ typedef enum
CT_UPDATE_MISSING,
/* The row to be deleted was modified by a different origin */
CT_DELETE_DIFFER,
CT_DELETE_ORIGIN_DIFFERS,
/* The row to be deleted is missing */
CT_DELETE_MISSING,

2
src/test/subscription/t/013_partition.pl
View File

@ -799,7 +799,7 @@ $node_publisher->wait_for_catchup('sub_viaroot');
$logfile = slurp_file($node_subscriber1->logfile(), $log_location);
ok( $logfile =~
qr/conflict detected on relation "public.tab2_1": conflict=update_differ.*\n.*DETAIL:.* Updating the row that was modified locally in transaction [0-9]+ at .*\n.*Existing local tuple \(yyy, null, 3\); remote tuple \(pub_tab2, quux, 3\); replica identity \(a\)=\(3\)/,
qr/conflict detected on relation "public.tab2_1": conflict=update_origin_differs.*\n.*DETAIL:.* Updating the row that was modified locally in transaction [0-9]+ at .*\n.*Existing local tuple \(yyy, null, 3\); remote tuple \(pub_tab2, quux, 3\); replica identity \(a\)=\(3\)/,
'updating a tuple that was modified by a different origin');
# The remaining tests no longer test conflict detection.

4
src/test/subscription/t/030_origin.pl
View File

@ -163,7 +163,7 @@ is($result, qq(32), 'The node_A data replicated to node_B');
$node_C->safe_psql('postgres', "UPDATE tab SET a = 33 WHERE a = 32;");
$node_B->wait_for_log(
qr/conflict detected on relation "public.tab": conflict=update_differ.*\n.*DETAIL:.* Updating the row that was modified by a different origin ".*" in transaction [0-9]+ at .*\n.*Existing local tuple \(32\); remote tuple \(33\); replica identity \(a\)=\(32\)/
qr/conflict detected on relation "public.tab": conflict=update_origin_differs.*\n.*DETAIL:.* Updating the row that was modified by a different origin ".*" in transaction [0-9]+ at .*\n.*Existing local tuple \(32\); remote tuple \(33\); replica identity \(a\)=\(32\)/
);
$node_B->safe_psql('postgres', "DELETE FROM tab;");
@ -179,7 +179,7 @@ is($result, qq(33), 'The node_A data replicated to node_B');
$node_C->safe_psql('postgres', "DELETE FROM tab WHERE a = 33;");
$node_B->wait_for_log(
qr/conflict detected on relation "public.tab": conflict=delete_differ.*\n.*DETAIL:.* Deleting the row that was modified by a different origin ".*" in transaction [0-9]+ at .*\n.*Existing local tuple \(33\); replica identity \(a\)=\(33\)/
qr/conflict detected on relation "public.tab": conflict=delete_origin_differs.*\n.*DETAIL:.* Deleting the row that was modified by a different origin ".*" in transaction [0-9]+ at .*\n.*Existing local tuple \(33\); replica identity \(a\)=\(33\)/
);
# The remaining tests no longer test conflict detection.