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Logical replication

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- Add PUBLICATION catalogs and DDL
- Add SUBSCRIPTION catalog and DDL
- Define logical replication protocol and output plugin
- Add logical replication workers

From: Petr Jelinek <petr@2ndquadrant.com>
Reviewed-by: Steve Singer <steve@ssinger.info>
Reviewed-by: Andres Freund <andres@anarazel.de>
Reviewed-by: Erik Rijkers <er@xs4all.nl>
Reviewed-by: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
This commit is contained in:
Peter Eisentraut
2017-01-19 12:00:00 -05:00
parent ba61a04bc7
commit 665d1fad99
119 changed files with 13354 additions and 95 deletions
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262
src/backend/parser/gram.y
View File

@@ -280,6 +280,8 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
DropOwnedStmt ReassignOwnedStmt
AlterTSConfigurationStmt AlterTSDictionaryStmt
CreateMatViewStmt RefreshMatViewStmt CreateAmStmt
CreatePublicationStmt AlterPublicationStmt
CreateSubscriptionStmt AlterSubscriptionStmt DropSubscriptionStmt
%type <node> select_no_parens select_with_parens select_clause
simple_select values_clause
@@ -334,6 +336,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
database_name access_method_clause access_method attr_name
name cursor_name file_name
index_name opt_index_name cluster_index_specification
def_key
%type <list> func_name handler_name qual_Op qual_all_Op subquery_Op
opt_class opt_inline_handler opt_validator validator_clause
@@ -391,10 +394,13 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
relation_expr_list dostmt_opt_list
transform_element_list transform_type_list
TriggerTransitions TriggerReferencing
publication_name_list
%type <list> group_by_list
%type <node> group_by_item empty_grouping_set rollup_clause cube_clause
%type <node> grouping_sets_clause
%type <node> opt_publication_for_tables publication_for_tables
%type <value> publication_name_item
%type <list> opt_fdw_options fdw_options
%type <defelt> fdw_option
@@ -407,7 +413,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
%type <fun_param_mode> arg_class
%type <typnam> func_return func_type
%type <boolean> opt_trusted opt_restart_seqs
%type <boolean> opt_trusted opt_restart_seqs opt_drop_slot
%type <ival> OptTemp
%type <ival> OptNoLog
%type <oncommit> OnCommitOption
@@ -647,7 +653,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
PARALLEL PARSER PARTIAL PARTITION PASSING PASSWORD PLACING PLANS POLICY
POSITION PRECEDING PRECISION PRESERVE PREPARE PREPARED PRIMARY
PRIOR PRIVILEGES PROCEDURAL PROCEDURE PROGRAM
PRIOR PRIVILEGES PROCEDURAL PROCEDURE PROGRAM PUBLICATION
QUOTE
@@ -658,9 +664,9 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
SAVEPOINT SCHEMA SCROLL SEARCH SECOND_P SECURITY SELECT SEQUENCE SEQUENCES
SERIALIZABLE SERVER SESSION SESSION_USER SET SETS SETOF SHARE SHOW
SIMILAR SIMPLE SKIP SMALLINT SNAPSHOT SOME SQL_P STABLE STANDALONE_P START
STATEMENT STATISTICS STDIN STDOUT STORAGE STRICT_P STRIP_P SUBSTRING
SYMMETRIC SYSID SYSTEM_P
SIMILAR SIMPLE SKIP SLOT SMALLINT SNAPSHOT SOME SQL_P STABLE STANDALONE_P
START STATEMENT STATISTICS STDIN STDOUT STORAGE STRICT_P STRIP_P
SUBSCRIPTION SUBSTRING SYMMETRIC SYSID SYSTEM_P
TABLE TABLES TABLESAMPLE TABLESPACE TEMP TEMPLATE TEMPORARY TEXT_P THEN
TIME TIMESTAMP TO TRAILING TRANSACTION TRANSFORM TREAT TRIGGER TRIM TRUE_P
@@ -822,8 +828,10 @@ stmt :
| AlterTableStmt
| AlterTblSpcStmt
| AlterCompositeTypeStmt
| AlterPublicationStmt
| AlterRoleSetStmt
| AlterRoleStmt
| AlterSubscriptionStmt
| AlterTSConfigurationStmt
| AlterTSDictionaryStmt
| AlterUserMappingStmt
@@ -851,12 +859,14 @@ stmt :
| CreateMatViewStmt
| CreateOpClassStmt
| CreateOpFamilyStmt
| CreatePublicationStmt
| AlterOpFamilyStmt
| CreatePolicyStmt
| CreatePLangStmt
| CreateSchemaStmt
| CreateSeqStmt
| CreateStmt
| CreateSubscriptionStmt
| CreateTableSpaceStmt
| CreateTransformStmt
| CreateTrigStmt
@@ -883,6 +893,7 @@ stmt :
| DropPLangStmt
| DropRuleStmt
| DropStmt
| DropSubscriptionStmt
| DropTableSpaceStmt
| DropTransformStmt
| DropTrigStmt
@@ -5613,16 +5624,21 @@ def_list: def_elem { $$ = list_make1($1); }
| def_list ',' def_elem { $$ = lappend($1, $3); }
;
def_elem: ColLabel '=' def_arg
def_elem: def_key '=' def_arg
{
$$ = makeDefElem($1, (Node *) $3, @1);
}
| ColLabel
| def_key
{
$$ = makeDefElem($1, NULL, @1);
}
;
def_key:
ColLabel { $$ = $1; }
| ColLabel ColLabel { $$ = psprintf("%s %s", $1, $2); }
;
/* Note: any simple identifier will be returned as a type name! */
def_arg: func_type { $$ = (Node *)$1; }
| reserved_keyword { $$ = (Node *)makeString(pstrdup($1)); }
@@ -6073,6 +6089,7 @@ drop_type: TABLE { $$ = OBJECT_TABLE; }
| TEXT_P SEARCH DICTIONARY { $$ = OBJECT_TSDICTIONARY; }
| TEXT_P SEARCH TEMPLATE { $$ = OBJECT_TSTEMPLATE; }
| TEXT_P SEARCH CONFIGURATION { $$ = OBJECT_TSCONFIGURATION; }
| PUBLICATION { $$ = OBJECT_PUBLICATION; }
;
any_name_list:
@@ -8933,9 +8950,237 @@ AlterOwnerStmt: ALTER AGGREGATE aggregate_with_argtypes OWNER TO RoleSpec
n->newowner = $7;
$$ = (Node *)n;
}
| ALTER PUBLICATION name OWNER TO RoleSpec
{
AlterOwnerStmt *n = makeNode(AlterOwnerStmt);
n->objectType = OBJECT_PUBLICATION;
n->object = list_make1(makeString($3));
n->newowner = $6;
$$ = (Node *)n;
}
| ALTER SUBSCRIPTION name OWNER TO RoleSpec
{
AlterOwnerStmt *n = makeNode(AlterOwnerStmt);
n->objectType = OBJECT_SUBSCRIPTION;
n->object = list_make1(makeString($3));
n->newowner = $6;
$$ = (Node *)n;
}
;
/*****************************************************************************
*
* CREATE PUBLICATION name [ FOR TABLE ] [ WITH options ]
*
*****************************************************************************/
CreatePublicationStmt:
CREATE PUBLICATION name opt_publication_for_tables opt_definition
{
CreatePublicationStmt *n = makeNode(CreatePublicationStmt);
n->pubname = $3;
n->options = $5;
if ($4 != NULL)
{
/* FOR TABLE */
if (IsA($4, List))
n->tables = (List *)$4;
/* FOR ALL TABLES */
else
n->for_all_tables = TRUE;
}
$$ = (Node *)n;
}
;
opt_publication_for_tables:
publication_for_tables { $$ = $1; }
| /* EMPTY */ { $$ = NULL; }
;
publication_for_tables:
FOR TABLE relation_expr_list
{
$$ = (Node *) $3;
}
| FOR ALL TABLES
{
$$ = (Node *) makeInteger(TRUE);
}
;
/*****************************************************************************
*
* ALTER PUBLICATION name [ WITH ] options
*
* ALTER PUBLICATION name ADD TABLE table [, table2]
*
* ALTER PUBLICATION name DROP TABLE table [, table2]
*
* ALTER PUBLICATION name SET TABLE table [, table2]
*
*****************************************************************************/
AlterPublicationStmt:
ALTER PUBLICATION name WITH definition
{
AlterPublicationStmt *n = makeNode(AlterPublicationStmt);
n->pubname = $3;
n->options = $5;
$$ = (Node *)n;
}
| ALTER PUBLICATION name ADD_P TABLE relation_expr_list
{
AlterPublicationStmt *n = makeNode(AlterPublicationStmt);
n->pubname = $3;
n->tables = $6;
n->tableAction = DEFELEM_ADD;
$$ = (Node *)n;
}
| ALTER PUBLICATION name SET TABLE relation_expr_list
{
AlterPublicationStmt *n = makeNode(AlterPublicationStmt);
n->pubname = $3;
n->tables = $6;
n->tableAction = DEFELEM_SET;
$$ = (Node *)n;
}
| ALTER PUBLICATION name DROP TABLE relation_expr_list
{
AlterPublicationStmt *n = makeNode(AlterPublicationStmt);
n->pubname = $3;
n->tables = $6;
n->tableAction = DEFELEM_DROP;
$$ = (Node *)n;
}
;
/*****************************************************************************
*
* CREATE SUBSCRIPTION name ...
*
*****************************************************************************/
CreateSubscriptionStmt:
CREATE SUBSCRIPTION name CONNECTION Sconst PUBLICATION publication_name_list opt_definition
{
CreateSubscriptionStmt *n =
makeNode(CreateSubscriptionStmt);
n->subname = $3;
n->conninfo = $5;
n->publication = $7;
n->options = $8;
$$ = (Node *)n;
}
;
publication_name_list:
publication_name_item
{
$$ = list_make1($1);
}
| publication_name_list ',' publication_name_item
{
$$ = lappend($1, $3);
}
;
publication_name_item:
ColLabel { $$ = makeString($1); };
/*****************************************************************************
*
* ALTER SUBSCRIPTION name [ WITH ] options
*
*****************************************************************************/
AlterSubscriptionStmt:
ALTER SUBSCRIPTION name WITH definition
{
AlterSubscriptionStmt *n =
makeNode(AlterSubscriptionStmt);
n->subname = $3;
n->options = $5;
$$ = (Node *)n;
}
| ALTER SUBSCRIPTION name CONNECTION Sconst
{
AlterSubscriptionStmt *n =
makeNode(AlterSubscriptionStmt);
n->subname = $3;
n->options = list_make1(makeDefElem("conninfo",
(Node *)makeString($5), @1));
$$ = (Node *)n;
}
| ALTER SUBSCRIPTION name SET PUBLICATION publication_name_list
{
AlterSubscriptionStmt *n =
makeNode(AlterSubscriptionStmt);
n->subname = $3;
n->options = list_make1(makeDefElem("publication",
(Node *)$6, @1));
$$ = (Node *)n;
}
| ALTER SUBSCRIPTION name ENABLE_P
{
AlterSubscriptionStmt *n =
makeNode(AlterSubscriptionStmt);
n->subname = $3;
n->options = list_make1(makeDefElem("enabled",
(Node *)makeInteger(TRUE), @1));
$$ = (Node *)n;
}
| ALTER SUBSCRIPTION name DISABLE_P
{
AlterSubscriptionStmt *n =
makeNode(AlterSubscriptionStmt);
n->subname = $3;
n->options = list_make1(makeDefElem("enabled",
(Node *)makeInteger(FALSE), @1));
$$ = (Node *)n;
} ;
/*****************************************************************************
*
* DROP SUBSCRIPTION [ IF EXISTS ] name
*
*****************************************************************************/
DropSubscriptionStmt: DROP SUBSCRIPTION name opt_drop_slot
{
DropSubscriptionStmt *n = makeNode(DropSubscriptionStmt);
n->subname = $3;
n->drop_slot = $4;
n->missing_ok = false;
$$ = (Node *) n;
}
| DROP SUBSCRIPTION IF_P EXISTS name opt_drop_slot
{
DropSubscriptionStmt *n = makeNode(DropSubscriptionStmt);
n->subname = $5;
n->drop_slot = $6;
n->missing_ok = true;
$$ = (Node *) n;
}
;
opt_drop_slot:
IDENT SLOT
{
if (strcmp($1, "drop") == 0)
$$ = TRUE;
else if (strcmp($1, "nodrop") == 0)
$$ = FALSE;
else
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("unrecognized option \"%s\"", $1),
parser_errposition(@1)));
}
| /*EMPTY*/ { $$ = TRUE; }
;
/*****************************************************************************
*
* QUERY: Define Rewrite Rule
@@ -14201,6 +14446,7 @@ unreserved_keyword:
| PROCEDURAL
| PROCEDURE
| PROGRAM
| PUBLICATION
| QUOTE
| RANGE
| READ
@@ -14244,6 +14490,7 @@ unreserved_keyword:
| SHOW
| SIMPLE
| SKIP
| SLOT
| SNAPSHOT
| SQL_P
| STABLE
@@ -14256,6 +14503,7 @@ unreserved_keyword:
| STORAGE
| STRICT_P
| STRIP_P
| SUBSCRIPTION
| SYSID
| SYSTEM_P
| TABLES