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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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73
src/backend/nodes/equalfuncs.c
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@@ -2134,6 +2134,64 @@ _equalAlterTSConfigurationStmt(const AlterTSConfigurationStmt *a,
return true;
}
static bool
_equalCreatePublicationStmt(const CreatePublicationStmt *a,
const CreatePublicationStmt *b)
{
COMPARE_STRING_FIELD(pubname);
COMPARE_NODE_FIELD(options);
COMPARE_NODE_FIELD(tables);
COMPARE_SCALAR_FIELD(for_all_tables);
return true;
}
static bool
_equalAlterPublicationStmt(const AlterPublicationStmt *a,
const AlterPublicationStmt *b)
{
COMPARE_STRING_FIELD(pubname);
COMPARE_NODE_FIELD(options);
COMPARE_NODE_FIELD(tables);
COMPARE_SCALAR_FIELD(for_all_tables);
COMPARE_SCALAR_FIELD(tableAction);
return true;
}
static bool
_equalCreateSubscriptionStmt(const CreateSubscriptionStmt *a,
const CreateSubscriptionStmt *b)
{
COMPARE_STRING_FIELD(subname);
COMPARE_STRING_FIELD(conninfo);
COMPARE_NODE_FIELD(publication);
COMPARE_NODE_FIELD(options);
return true;
}
static bool
_equalAlterSubscriptionStmt(const AlterSubscriptionStmt *a,
const AlterSubscriptionStmt *b)
{
COMPARE_STRING_FIELD(subname);
COMPARE_NODE_FIELD(options);
return true;
}
static bool
_equalDropSubscriptionStmt(const DropSubscriptionStmt *a,
const DropSubscriptionStmt *b)
{
COMPARE_STRING_FIELD(subname);
COMPARE_SCALAR_FIELD(drop_slot);
COMPARE_SCALAR_FIELD(missing_ok);
return true;
}
static bool
_equalCreatePolicyStmt(const CreatePolicyStmt *a, const CreatePolicyStmt *b)
{
@@ -3349,6 +3407,21 @@ equal(const void *a, const void *b)
case T_AlterPolicyStmt:
retval = _equalAlterPolicyStmt(a, b);
break;
case T_CreatePublicationStmt:
retval = _equalCreatePublicationStmt(a, b);
break;
case T_AlterPublicationStmt:
retval = _equalAlterPublicationStmt(a, b);
break;
case T_CreateSubscriptionStmt:
retval = _equalCreateSubscriptionStmt(a, b);
break;
case T_AlterSubscriptionStmt:
retval = _equalAlterSubscriptionStmt(a, b);
break;
case T_DropSubscriptionStmt:
retval = _equalDropSubscriptionStmt(a, b);
break;
case T_A_Expr:
retval = _equalAExpr(a, b);
break;