Thread

  1. [PATCH v37 05/11] Add Incremental View Maintenance support to psql

    Yugo Nagata <nagata@sraoss.co.jp> — 2026-05-29T09:05:14Z

    Add tab completion and meta-command output for IVM.
    ---
     src/bin/psql/describe.c        | 32 +++++++++++++++++++++++++++++++-
     src/bin/psql/tab-complete.in.c | 30 ++++++++++++++++++------------
     2 files changed, 49 insertions(+), 13 deletions(-)
    
    diff --git a/src/bin/psql/describe.c b/src/bin/psql/describe.c
    index e1449654f96..2321f66d871 100644
    --- a/src/bin/psql/describe.c
    +++ b/src/bin/psql/describe.c
    @@ -1634,6 +1634,7 @@ describeOneTableDetails(const char *schemaname,
     		char		relpersistence;
     		char		relreplident;
     		char	   *relam;
    +		bool		isivm;
     	}			tableinfo;
     	bool		show_column_details = false;
     
    @@ -1648,7 +1649,26 @@ describeOneTableDetails(const char *schemaname,
     	/* Get general table info */
     	printfPQExpBuffer(&buf, "/* %s */\n",
     					  _("Get general information about one relation"));
    -	if (pset.sversion >= 120000)
    +	if (pset.sversion >= 200000)
    +	{
    +		printfPQExpBuffer(&buf,
    +						  "SELECT c.relchecks, c.relkind, c.relhasindex, c.relhasrules, "
    +						  "c.relhastriggers, c.relrowsecurity, c.relforcerowsecurity, "
    +						  "false AS relhasoids, c.relispartition, %s, c.reltablespace, "
    +						  "CASE WHEN c.reloftype = 0 THEN '' ELSE c.reloftype::pg_catalog.regtype::pg_catalog.text END, "
    +						  "c.relpersistence, c.relreplident, am.amname, "
    +						  "c.relisivm\n"
    +						  "FROM pg_catalog.pg_class c\n "
    +						  "LEFT JOIN pg_catalog.pg_class tc ON (c.reltoastrelid = tc.oid)\n"
    +						  "LEFT JOIN pg_catalog.pg_am am ON (c.relam = am.oid)\n"
    +						  "WHERE c.oid = '%s';",
    +						  (verbose ?
    +						   "pg_catalog.array_to_string(c.reloptions || "
    +						   "array(select 'toast.' || x from pg_catalog.unnest(tc.reloptions) x), ', ')\n"
    +						   : "''"),
    +						  oid);
    +	}
    +	else if (pset.sversion >= 120000)
     	{
     		appendPQExpBuffer(&buf,
     						  "SELECT c.relchecks, c.relkind, c.relhasindex, c.relhasrules, "
    @@ -1768,6 +1788,10 @@ describeOneTableDetails(const char *schemaname,
     			NULL : pg_strdup(PQgetvalue(res, 0, 14));
     	else
     		tableinfo.relam = NULL;
    +	if (pset.sversion >= 200000)
    +		tableinfo.isivm = strcmp(PQgetvalue(res, 0, 15), "t") == 0;
    +	else
    +		tableinfo.isivm = false;
     	PQclear(res);
     	res = NULL;
     
    @@ -3830,6 +3854,12 @@ describeOneTableDetails(const char *schemaname,
     			printfPQExpBuffer(&buf, _("Access method: %s"), tableinfo.relam);
     			printTableAddFooter(&cont, buf.data);
     		}
    +
    +		/* Incremental view maintance info */
    +		if (verbose && tableinfo.relkind == RELKIND_MATVIEW && tableinfo.isivm)
    +		{
    +			printTableAddFooter(&cont, _("Incremental view maintenance: yes"));
    +		}
     	}
     
     	/* reloptions, if verbose */
    diff --git a/src/bin/psql/tab-complete.in.c b/src/bin/psql/tab-complete.in.c
    index de547a8cb37..590e33833f2 100644
    --- a/src/bin/psql/tab-complete.in.c
    +++ b/src/bin/psql/tab-complete.in.c
    @@ -1334,6 +1334,7 @@ static const pgsql_thing_t words_after_create[] = {
     	{"FOREIGN TABLE", NULL, NULL, NULL},
     	{"FUNCTION", NULL, NULL, Query_for_list_of_functions},
     	{"GROUP", Query_for_list_of_roles},
    +	{"INCREMENTAL MATERIALIZED VIEW", NULL, NULL, &Query_for_list_of_matviews, NULL, THING_NO_DROP | THING_NO_ALTER},
     	{"INDEX", NULL, NULL, &Query_for_list_of_indexes},
     	{"LANGUAGE", Query_for_list_of_languages},
     	{"LARGE OBJECT", NULL, NULL, NULL, NULL, THING_NO_CREATE | THING_NO_DROP},
    @@ -4254,28 +4255,33 @@ match_previous_words(int pattern_id,
     		COMPLETE_WITH("SELECT");
     
     /* CREATE MATERIALIZED VIEW */
    -	else if (Matches("CREATE", "MATERIALIZED"))
    +	else if (Matches("CREATE", "MATERIALIZED") ||
    +			 Matches("CREATE", "INCREMENTAL", "MATERIALIZED"))
     		COMPLETE_WITH("VIEW");
    -	/* Complete CREATE MATERIALIZED VIEW <name> with AS or USING */
    -	else if (Matches("CREATE", "MATERIALIZED", "VIEW", MatchAny))
    -		COMPLETE_WITH("AS", "USING");
     
    +	/* Complete CREATE [INCREMENTAL] MATERIALIZED VIEW <name> with AS or USING */
    +	else if (Matches("CREATE", "MATERIALIZED", "VIEW", MatchAny) ||
    +			 Matches("CREATE", "INCREMENTAL", "MATERIALIZED", "VIEW", MatchAny))
    +		COMPLETE_WITH("AS", "USING");
     	/*
    -	 * Complete CREATE MATERIALIZED VIEW <name> USING with list of access
    -	 * methods
    +	 * Complete CREATE [INCREMENTAL] MATERIALIZED VIEW <name> USING with list
    +	 * of access methods
     	 */
    -	else if (Matches("CREATE", "MATERIALIZED", "VIEW", MatchAny, "USING"))
    +	else if (Matches("CREATE", "MATERIALIZED", "VIEW", MatchAny, "USING") ||
    +			 Matches("CREATE", "INCREMENTAL", "MATERIALIZED", "VIEW", MatchAny, "USING"))
     		COMPLETE_WITH_QUERY(Query_for_list_of_table_access_methods);
    -	/* Complete CREATE MATERIALIZED VIEW <name> USING <access method> with AS */
    -	else if (Matches("CREATE", "MATERIALIZED", "VIEW", MatchAny, "USING", MatchAny))
    +	/* Complete CREATE [INCREMENTAL] MATERIALIZED VIEW <name> USING <am> with AS */
    +	else if (Matches("CREATE", "MATERIALIZED", "VIEW", MatchAny, "USING", MatchAny) ||
    +			 Matches("CREATE", "INCREMENTAL", "MATERIALIZED", "VIEW", MatchAny, "USING", MatchAny))
     		COMPLETE_WITH("AS");
    -
     	/*
    -	 * Complete CREATE MATERIALIZED VIEW <name> [USING <access method> ] AS
    +	 * Complete CREATE [INCREMENTAL] MATERIALIZED VIEW <name> [USING <am>] AS
     	 * with "SELECT"
     	 */
     	else if (Matches("CREATE", "MATERIALIZED", "VIEW", MatchAny, "AS") ||
    -			 Matches("CREATE", "MATERIALIZED", "VIEW", MatchAny, "USING", MatchAny, "AS"))
    +			 Matches("CREATE", "MATERIALIZED", "VIEW", MatchAny, "USING", MatchAny, "AS") ||
    +			 Matches("CREATE", "INCREMENTAL", "MATERIALIZED", "VIEW", MatchAny, "AS") ||
    +			 Matches("CREATE", "INCREMENTAL", "MATERIALIZED", "VIEW", MatchAny, "USING", MatchAny, "AS"))
     		COMPLETE_WITH("SELECT");
     
     /* CREATE EVENT TRIGGER */
    -- 
    2.43.0
    
    
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