Tab completion for event triggers.

Ian Barwick

diff --git a/src/bin/psql/tab-complete.c b/src/bin/psql/tab-complete.c
index 202ffcef690832c3e412aef1aa29c65238a9984c..6d26ffcd7dfccf7715943ed9e7a8d4e296ec6913 100644 (file)
--- a/src/bin/psql/tab-complete.c
+++ b/src/bin/psql/tab-complete.c
@@ -714,6 +714,11 @@ static const SchemaQuery Query_for_list_of_matviews = {
 "   FROM pg_catalog.pg_prepared_statements "\
 "  WHERE substring(pg_catalog.quote_ident(name),1,%d)='%s'"
 
+#define Query_for_list_of_event_triggers \
+" SELECT pg_catalog.quote_ident(evtname) "\
+"   FROM pg_catalog.pg_event_trigger "\
+"  WHERE substring(pg_catalog.quote_ident(evtname),1,%d)='%s'"
+
 /*
  * This is a list of all "things" in Pgsql, which can show up after CREATE or
  * DROP; and there is also a query to get a list of them.
@@ -746,6 +751,7 @@ static const pgsql_thing_t words_after_create[] = {
    {"DATABASE", Query_for_list_of_databases},
    {"DICTIONARY", Query_for_list_of_ts_dictionaries, NULL, THING_NO_SHOW},
    {"DOMAIN", NULL, &Query_for_list_of_domains},
+   {"EVENT TRIGGER", NULL, NULL},
    {"EXTENSION", Query_for_list_of_extensions},
    {"FOREIGN DATA WRAPPER", NULL, NULL},
    {"FOREIGN TABLE", NULL, NULL},
@@ -934,7 +940,7 @@ psql_completion(const char *text, int start, int end)
    {
        static const char *const list_ALTER[] =
        {"AGGREGATE", "COLLATION", "CONVERSION", "DATABASE", "DEFAULT PRIVILEGES", "DOMAIN",
-           "EXTENSION", "FOREIGN DATA WRAPPER", "FOREIGN TABLE", "FUNCTION",
+           "EVENT TRIGGER", "EXTENSION", "FOREIGN DATA WRAPPER", "FOREIGN TABLE", "FUNCTION",
            "GROUP", "INDEX", "LANGUAGE", "LARGE OBJECT", "MATERIALIZED VIEW", "OPERATOR",
             "ROLE", "RULE", "SCHEMA", "SERVER", "SEQUENCE", "SYSTEM SET", "TABLE",
            "TABLESPACE", "TEXT SEARCH", "TRIGGER", "TYPE",
@@ -1003,6 +1009,37 @@ psql_completion(const char *text, int start, int end)
        COMPLETE_WITH_LIST(list_ALTERDATABASE);
    }
 
+   /* ALTER EVENT TRIGGER */
+   else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
+            pg_strcasecmp(prev2_wd, "EVENT") == 0 &&
+            pg_strcasecmp(prev_wd, "TRIGGER") == 0)
+   {
+       COMPLETE_WITH_QUERY(Query_for_list_of_event_triggers);
+   }
+
+   /* ALTER EVENT TRIGGER <name> */
+   else if (pg_strcasecmp(prev4_wd, "ALTER") == 0 &&
+            pg_strcasecmp(prev3_wd, "EVENT") == 0 &&
+            pg_strcasecmp(prev2_wd, "TRIGGER") == 0)
+   {
+       static const char *const list_ALTER_EVENT_TRIGGER[] =
+           {"DISABLE", "ENABLE", "OWNER TO", "RENAME TO", NULL};
+
+       COMPLETE_WITH_LIST(list_ALTER_EVENT_TRIGGER);
+   }
+
+   /* ALTER EVENT TRIGGER <name> ENABLE */
+   else if (pg_strcasecmp(prev5_wd, "ALTER") == 0 &&
+            pg_strcasecmp(prev4_wd, "EVENT") == 0 &&
+            pg_strcasecmp(prev3_wd, "TRIGGER") == 0 &&
+            pg_strcasecmp(prev_wd, "ENABLE") == 0)
+   {
+       static const char *const list_ALTER_EVENT_TRIGGER_ENABLE[] =
+           {"REPLICA", "ALWAYS", NULL};
+
+       COMPLETE_WITH_LIST(list_ALTER_EVENT_TRIGGER_ENABLE);
+   }
+
    /* ALTER EXTENSION <name> */
    else if (pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
             pg_strcasecmp(prev2_wd, "EXTENSION") == 0)
@@ -1334,7 +1371,8 @@ psql_completion(const char *text, int start, int end)
        COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_tables, NULL);
 
    /* ALTER TRIGGER <name> ON <name> */
-   else if (pg_strcasecmp(prev4_wd, "TRIGGER") == 0 &&
+   else if (pg_strcasecmp(prev5_wd, "ALTER") == 0 &&
+            pg_strcasecmp(prev4_wd, "TRIGGER") == 0 &&
             pg_strcasecmp(prev2_wd, "ON") == 0)
        COMPLETE_WITH_CONST("RENAME TO");
 
@@ -1876,7 +1914,7 @@ psql_completion(const char *text, int start, int end)
             pg_strcasecmp(prev_wd, "ON") == 0)
    {
        static const char *const list_COMMENT[] =
-       {"CAST", "COLLATION", "CONVERSION", "DATABASE", "EXTENSION",
+       {"CAST", "COLLATION", "CONVERSION", "DATABASE", "EVENT TRIGGER", "EXTENSION",
            "FOREIGN DATA WRAPPER", "FOREIGN TABLE",
            "SERVER", "INDEX", "LANGUAGE", "RULE", "SCHEMA", "SEQUENCE",
            "TABLE", "TYPE", "VIEW", "MATERIALIZED VIEW", "COLUMN", "AGGREGATE", "FUNCTION",
@@ -1931,6 +1969,13 @@ psql_completion(const char *text, int start, int end)
    {
        COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_matviews, NULL);
    }
+   else if (pg_strcasecmp(prev4_wd, "COMMENT") == 0 &&
+            pg_strcasecmp(prev3_wd, "ON") == 0 &&
+            pg_strcasecmp(prev2_wd, "EVENT") == 0 &&
+            pg_strcasecmp(prev_wd, "TRIGGER") == 0)
+   {
+       COMPLETE_WITH_QUERY(Query_for_list_of_event_triggers);
+   }
    else if ((pg_strcasecmp(prev4_wd, "COMMENT") == 0 &&
              pg_strcasecmp(prev3_wd, "ON") == 0) ||
             (pg_strcasecmp(prev5_wd, "COMMENT") == 0 &&
@@ -2354,6 +2399,27 @@ psql_completion(const char *text, int start, int end)
             pg_strcasecmp(prev_wd, "AS") == 0)
        COMPLETE_WITH_CONST("SELECT");
 
+/* CREATE EVENT TRIGGER */
+   else if (pg_strcasecmp(prev2_wd, "CREATE") == 0 &&
+            pg_strcasecmp(prev_wd, "EVENT") == 0)
+       COMPLETE_WITH_CONST("TRIGGER");
+   /* Complete CREATE EVENT TRIGGER <name> with ON */
+   else if (pg_strcasecmp(prev4_wd, "CREATE") == 0 &&
+            pg_strcasecmp(prev3_wd, "EVENT") == 0 &&
+            pg_strcasecmp(prev2_wd, "TRIGGER") == 0)
+       COMPLETE_WITH_CONST("ON");
+   /* Complete CREATE EVENT TRIGGER <name> ON with event_type */
+   else if (pg_strcasecmp(prev5_wd, "CREATE") == 0 &&
+            pg_strcasecmp(prev4_wd, "EVENT") == 0 &&
+            pg_strcasecmp(prev3_wd, "TRIGGER") == 0 &&
+            pg_strcasecmp(prev_wd, "ON") == 0)
+   {
+       static const char *const list_CREATE_EVENT_TRIGGER_ON[] =
+       {"ddl_command_start", "ddl_command_end", "sql_drop", NULL};
+
+       COMPLETE_WITH_LIST(list_CREATE_EVENT_TRIGGER_ON);
+   }
+
 /* DECLARE */
    else if (pg_strcasecmp(prev2_wd, "DECLARE") == 0)
    {
@@ -2446,6 +2512,9 @@ psql_completion(const char *text, int start, int end)
             (pg_strcasecmp(prev4_wd, "DROP") == 0 &&
              pg_strcasecmp(prev3_wd, "AGGREGATE") == 0 &&
              prev_wd[strlen(prev_wd) - 1] == ')') ||
+            (pg_strcasecmp(prev4_wd, "DROP") == 0 &&
+             pg_strcasecmp(prev3_wd, "EVENT") == 0 &&
+             pg_strcasecmp(prev2_wd, "TRIGGER") == 0) ||
             (pg_strcasecmp(prev5_wd, "DROP") == 0 &&
              pg_strcasecmp(prev4_wd, "FOREIGN") == 0 &&
              pg_strcasecmp(prev3_wd, "DATA") == 0 &&
@@ -2518,6 +2587,19 @@ psql_completion(const char *text, int start, int end)
        COMPLETE_WITH_LIST(list_ALTERTEXTSEARCH);
    }
 
+   /* DROP EVENT TRIGGER */
+   else if (pg_strcasecmp(prev2_wd, "DROP") == 0 &&
+            pg_strcasecmp(prev_wd, "EVENT") == 0)
+   {
+       COMPLETE_WITH_CONST("TRIGGER");
+   }
+   else if (pg_strcasecmp(prev3_wd, "DROP") == 0 &&
+            pg_strcasecmp(prev2_wd, "EVENT") == 0 &&
+            pg_strcasecmp(prev_wd, "TRIGGER") == 0)
+   {
+       COMPLETE_WITH_QUERY(Query_for_list_of_event_triggers);
+   }
+
 /* EXECUTE, but not EXECUTE embedded in other commands */
    else if (pg_strcasecmp(prev_wd, "EXECUTE") == 0 &&
             prev2_wd[0] == '\0')