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Rework the options syntax for logical replication commands

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For CREATE/ALTER PUBLICATION/SUBSCRIPTION, use similar option style as
other statements that use a WITH clause for options.

Author: Petr Jelinek <petr.jelinek@2ndquadrant.com>
This commit is contained in:
Peter Eisentraut
2017-05-12 08:57:01 -04:00
parent 734cb4c2e7
commit b807f59828
24 changed files with 352 additions and 410 deletions
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134
src/backend/commands/publicationcmds.c
View File

@@ -46,6 +46,7 @@
#include "utils/lsyscache.h"
#include "utils/rel.h"
#include "utils/syscache.h"
#include "utils/varlena.h"
/* Same as MAXNUMMESSAGES in sinvaladt.c */
#define MAX_RELCACHE_INVAL_MSGS 4096
@@ -58,18 +59,14 @@ static void PublicationDropTables(Oid pubid, List *rels, bool missing_ok);
static void
parse_publication_options(List *options,
bool *publish_insert_given,
bool *publish_given,
bool *publish_insert,
bool *publish_update_given,
bool *publish_update,
bool *publish_delete_given,
bool *publish_delete)
{
ListCell *lc;
*publish_insert_given = false;
*publish_update_given = false;
*publish_delete_given = false;
*publish_given = false;
/* Defaults are true */
*publish_insert = true;
@@ -81,68 +78,54 @@ parse_publication_options(List *options,
{
DefElem *defel = (DefElem *) lfirst(lc);
if (strcmp(defel->defname, "publish insert") == 0)
if (strcmp(defel->defname, "publish") == 0)
{
if (*publish_insert_given)
char *publish;
List *publish_list;
ListCell *lc;
if (*publish_given)
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("conflicting or redundant options")));
*publish_insert_given = true;
*publish_insert = defGetBoolean(defel);
}
else if (strcmp(defel->defname, "nopublish insert") == 0)
{
if (*publish_insert_given)
/*
* If publish option was given only the explicitly listed actions
* should be published.
*/
*publish_insert = false;
*publish_update = false;
*publish_delete = false;
*publish_given = true;
publish = defGetString(defel);
if (!SplitIdentifierString(publish, ',', &publish_list))
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("conflicting or redundant options")));
errmsg("invalid publish list")));
*publish_insert_given = true;
*publish_insert = !defGetBoolean(defel);
}
else if (strcmp(defel->defname, "publish update") == 0)
{
if (*publish_update_given)
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("conflicting or redundant options")));
/* Process the option list. */
foreach (lc, publish_list)
{
char *publish_opt = (char *)lfirst(lc);
*publish_update_given = true;
*publish_update = defGetBoolean(defel);
}
else if (strcmp(defel->defname, "nopublish update") == 0)
{
if (*publish_update_given)
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("conflicting or redundant options")));
*publish_update_given = true;
*publish_update = !defGetBoolean(defel);
}
else if (strcmp(defel->defname, "publish delete") == 0)
{
if (*publish_delete_given)
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("conflicting or redundant options")));
*publish_delete_given = true;
*publish_delete = defGetBoolean(defel);
}
else if (strcmp(defel->defname, "nopublish delete") == 0)
{
if (*publish_delete_given)
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("conflicting or redundant options")));
*publish_delete_given = true;
*publish_delete = !defGetBoolean(defel);
if (strcmp(publish_opt, "insert") == 0)
*publish_insert = true;
else if (strcmp(publish_opt, "update") == 0)
*publish_update = true;
else if (strcmp(publish_opt, "delete") == 0)
*publish_delete = true;
else
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("unrecognized \"publish\" value: \"%s\"", publish_opt)));
}
}
else
elog(ERROR, "unrecognized option: %s", defel->defname);
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("unrecognized publication parameter: %s", defel->defname)));
}
}
@@ -158,9 +141,7 @@ CreatePublication(CreatePublicationStmt *stmt)
bool nulls[Natts_pg_publication];
Datum values[Natts_pg_publication];
HeapTuple tup;
bool publish_insert_given;
bool publish_update_given;
bool publish_delete_given;
bool publish_given;
bool publish_insert;
bool publish_update;
bool publish_delete;
@@ -199,9 +180,8 @@ CreatePublication(CreatePublicationStmt *stmt)
values[Anum_pg_publication_pubowner - 1] = ObjectIdGetDatum(GetUserId());
parse_publication_options(stmt->options,
&publish_insert_given, &publish_insert,
&publish_update_given, &publish_update,
&publish_delete_given, &publish_delete);
&publish_given, &publish_insert,
&publish_update, &publish_delete);
values[Anum_pg_publication_puballtables - 1] =
BoolGetDatum(stmt->for_all_tables);
@@ -253,40 +233,30 @@ AlterPublicationOptions(AlterPublicationStmt *stmt, Relation rel,
bool nulls[Natts_pg_publication];
bool replaces[Natts_pg_publication];
Datum values[Natts_pg_publication];
bool publish_insert_given;
bool publish_update_given;
bool publish_delete_given;
bool publish_given;
bool publish_insert;
bool publish_update;
bool publish_delete;
ObjectAddress obj;
parse_publication_options(stmt->options,
&publish_insert_given, &publish_insert,
&publish_update_given, &publish_update,
&publish_delete_given, &publish_delete);
&publish_given, &publish_insert,
&publish_update, &publish_delete);
/* Everything ok, form a new tuple. */
memset(values, 0, sizeof(values));
memset(nulls, false, sizeof(nulls));
memset(replaces, false, sizeof(replaces));
if (publish_insert_given)
if (publish_given)
{
values[Anum_pg_publication_pubinsert - 1] =
BoolGetDatum(publish_insert);
values[Anum_pg_publication_pubinsert - 1] = BoolGetDatum(publish_insert);
replaces[Anum_pg_publication_pubinsert - 1] = true;
}
if (publish_update_given)
{
values[Anum_pg_publication_pubupdate - 1] =
BoolGetDatum(publish_update);
values[Anum_pg_publication_pubupdate - 1] = BoolGetDatum(publish_update);
replaces[Anum_pg_publication_pubupdate - 1] = true;
}
if (publish_delete_given)
{
values[Anum_pg_publication_pubdelete - 1] =
BoolGetDatum(publish_delete);
values[Anum_pg_publication_pubdelete - 1] = BoolGetDatum(publish_delete);
replaces[Anum_pg_publication_pubdelete - 1] = true;
}