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Add decoding of sequences to built-in replication

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This commit adds support for decoding of sequences to the built-in
replication (the infrastructure was added by commit 0da92dc530).

The syntax and behavior mostly mimics handling of tables, i.e. a
publication may be defined as FOR ALL SEQUENCES (replicating all
sequences in a database), FOR ALL SEQUENCES IN SCHEMA (replicating
all sequences in a particular schema) or individual sequences.

To publish sequence modifications, the publication has to include
'sequence' action. The protocol is extended with a new message,
describing sequence increments.

A new system view pg_publication_sequences lists all the sequences
added to a publication, both directly and indirectly. Various psql
commands (\d and \dRp) are improved to also display publications
including a given sequence, or sequences included in a publication.

Author: Tomas Vondra, Cary Huang
Reviewed-by: Peter Eisentraut, Amit Kapila, Hannu Krosing, Andres
             Freund, Petr Jelinek
Discussion: https://postgr.es/m/d045f3c2-6cfb-06d3-5540-e63c320df8bc@enterprisedb.com
Discussion: https://postgr.es/m/1710ed7e13b.cd7177461430746.3372264562543607781@highgo.ca
This commit is contained in:
Tomas Vondra
2022-03-24 18:20:21 +01:00
parent 0adb3dc68b
commit 75b1521dae
40 changed files with 3236 additions and 469 deletions
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52
src/backend/parser/gram.y
View File

@ -446,7 +446,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
transform_element_list transform_type_list
TriggerTransitions TriggerReferencing
vacuum_relation_list opt_vacuum_relation_list
drop_option_list pub_obj_list
drop_option_list pub_obj_list pub_obj_type_list
%type <node> opt_routine_body
%type <groupclause> group_clause
@ -575,6 +575,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
%type <node> var_value zone_value
%type <rolespec> auth_ident RoleSpec opt_granted_by
%type <publicationobjectspec> PublicationObjSpec
%type <node> pub_obj_type
%type <keyword> unreserved_keyword type_func_name_keyword
%type <keyword> col_name_keyword reserved_keyword
@ -9701,13 +9702,10 @@ AlterOwnerStmt: ALTER AGGREGATE aggregate_with_argtypes OWNER TO RoleSpec
*
* CREATE PUBLICATION FOR ALL TABLES [WITH options]
*
* CREATE PUBLICATION FOR ALL SEQUENCES [WITH options]
*
* CREATE PUBLICATION FOR pub_obj [, ...] [WITH options]
*
* pub_obj is one of:
*
* TABLE table [, ...]
* ALL TABLES IN SCHEMA schema [, ...]
*
*****************************************************************************/
CreatePublicationStmt:
@ -9718,12 +9716,12 @@ CreatePublicationStmt:
n->options = $4;
$$ = (Node *)n;
}
| CREATE PUBLICATION name FOR ALL TABLES opt_definition
| CREATE PUBLICATION name FOR ALL pub_obj_type_list opt_definition
{
CreatePublicationStmt *n = makeNode(CreatePublicationStmt);
n->pubname = $3;
n->options = $7;
n->for_all_tables = true;
n->for_all_objects = $6;
$$ = (Node *)n;
}
| CREATE PUBLICATION name FOR pub_obj_list opt_definition
@ -9772,6 +9770,26 @@ PublicationObjSpec:
$$->pubobjtype = PUBLICATIONOBJ_TABLES_IN_CUR_SCHEMA;
$$->location = @5;
}
| SEQUENCE relation_expr
{
$$ = makeNode(PublicationObjSpec);
$$->pubobjtype = PUBLICATIONOBJ_SEQUENCE;
$$->pubtable = makeNode(PublicationTable);
$$->pubtable->relation = $2;
}
| ALL SEQUENCES IN_P SCHEMA ColId
{
$$ = makeNode(PublicationObjSpec);
$$->pubobjtype = PUBLICATIONOBJ_SEQUENCES_IN_SCHEMA;
$$->name = $5;
$$->location = @5;
}
| ALL SEQUENCES IN_P SCHEMA CURRENT_SCHEMA
{
$$ = makeNode(PublicationObjSpec);
$$->pubobjtype = PUBLICATIONOBJ_SEQUENCES_IN_CUR_SCHEMA;
$$->location = @5;
}
| ColId OptWhereClause
{
$$ = makeNode(PublicationObjSpec);
@ -9826,6 +9844,19 @@ pub_obj_list: PublicationObjSpec
{ $$ = lappend($1, $3); }
;
pub_obj_type: TABLES
{ $$ = (Node *) makeString("tables"); }
| SEQUENCES
{ $$ = (Node *) makeString("sequences"); }
;
pub_obj_type_list: pub_obj_type
{ $$ = list_make1($1); }
| pub_obj_type_list ',' pub_obj_type
{ $$ = lappend($1, $3); }
;
/*****************************************************************************
*
* ALTER PUBLICATION name SET ( options )
@ -9836,11 +9867,6 @@ pub_obj_list: PublicationObjSpec
*
* ALTER PUBLICATION name SET pub_obj [, ...]
*
* pub_obj is one of:
*
* TABLE table_name [, ...]
* ALL TABLES IN SCHEMA schema_name [, ...]
*
*****************************************************************************/
AlterPublicationStmt: