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Code Activity

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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83
src/backend/tcop/utility.c
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@@ -44,9 +44,11 @@
#include "commands/portalcmds.h"
#include "commands/prepare.h"
#include "commands/proclang.h"
#include "commands/publicationcmds.h"
#include "commands/schemacmds.h"
#include "commands/seclabel.h"
#include "commands/sequence.h"
#include "commands/subscriptioncmds.h"
#include "commands/tablecmds.h"
#include "commands/tablespace.h"
#include "commands/trigger.h"
@@ -209,6 +211,11 @@ check_xact_readonly(Node *parsetree)
case T_CreateForeignTableStmt:
case T_ImportForeignSchemaStmt:
case T_SecLabelStmt:
case T_CreatePublicationStmt:
case T_AlterPublicationStmt:
case T_CreateSubscriptionStmt:
case T_AlterSubscriptionStmt:
case T_DropSubscriptionStmt:
PreventCommandIfReadOnly(CreateCommandTag(parsetree));
PreventCommandIfParallelMode(CreateCommandTag(parsetree));
break;
@@ -1578,6 +1585,33 @@ ProcessUtilitySlow(ParseState *pstate,
address = CreateAccessMethod((CreateAmStmt *) parsetree);
break;
case T_CreatePublicationStmt:
address = CreatePublication((CreatePublicationStmt *) parsetree);
break;
case T_AlterPublicationStmt:
AlterPublication((AlterPublicationStmt *) parsetree);
/*
* AlterPublication calls EventTriggerCollectSimpleCommand
* directly
*/
commandCollected = true;
break;
case T_CreateSubscriptionStmt:
address = CreateSubscription((CreateSubscriptionStmt *) parsetree);
break;
case T_AlterSubscriptionStmt:
address = AlterSubscription((AlterSubscriptionStmt *) parsetree);
break;
case T_DropSubscriptionStmt:
DropSubscription((DropSubscriptionStmt *) parsetree);
/* no commands stashed for DROP */
commandCollected = true;
break;
default:
elog(ERROR, "unrecognized node type: %d",
(int) nodeTag(parsetree));
@@ -1941,6 +1975,12 @@ AlterObjectTypeCommandTag(ObjectType objtype)
case OBJECT_MATVIEW:
tag = "ALTER MATERIALIZED VIEW";
break;
case OBJECT_PUBLICATION:
tag = "ALTER PUBLICATION";
break;
case OBJECT_SUBSCRIPTION:
tag = "ALTER SUBSCRIPTION";
break;
default:
tag = "???";
break;
@@ -2232,6 +2272,9 @@ CreateCommandTag(Node *parsetree)
case OBJECT_ACCESS_METHOD:
tag = "DROP ACCESS METHOD";
break;
case OBJECT_PUBLICATION:
tag = "DROP PUBLICATION";
break;
default:
tag = "???";
}
@@ -2602,6 +2645,26 @@ CreateCommandTag(Node *parsetree)
tag = "CREATE ACCESS METHOD";
break;
case T_CreatePublicationStmt:
tag = "CREATE PUBLICATION";
break;
case T_AlterPublicationStmt:
tag = "ALTER PUBLICATION";
break;
case T_CreateSubscriptionStmt:
tag = "CREATE SUBSCRIPTION";
break;
case T_AlterSubscriptionStmt:
tag = "ALTER SUBSCRIPTION";
break;
case T_DropSubscriptionStmt:
tag = "DROP SUBSCRIPTION";
break;
case T_PrepareStmt:
tag = "PREPARE";
break;
@@ -3166,6 +3229,26 @@ GetCommandLogLevel(Node *parsetree)
lev = LOGSTMT_DDL;
break;
case T_CreatePublicationStmt:
lev = LOGSTMT_DDL;
break;
case T_AlterPublicationStmt:
lev = LOGSTMT_DDL;
break;
case T_CreateSubscriptionStmt:
lev = LOGSTMT_DDL;
break;
case T_AlterSubscriptionStmt:
lev = LOGSTMT_DDL;
break;
case T_DropSubscriptionStmt:
lev = LOGSTMT_DDL;
break;
/* already-planned queries */
case T_PlannedStmt:
{