Improve tab completion for ALTER TABLE ALTER COLUMN SET in psql.

The commit changes the tab completion to add DATA TYPE after
ALTER TABLE ... ALTER COLUMN ... SET.

Author: Vignesh C
Reviewed-by: Shubham Khanna, Masahiko Sawada
Discussion: https://postgr.es/m/CALDaNm1aEdJb-QJi%3DGWStkfj_%2BEDUK_VtDkn%2BTjQ2z7HyU0MBw%40mail.gmail.com

diff --git a/src/bin/psql/tab-complete.c b/src/bin/psql/tab-complete.c
index 56d723de8a233fb09de0ac1bc0583bc31467357d..f121216ddc4cfe08a4a1847d090dc1dcf1193f64 100644 (file)
--- a/src/bin/psql/tab-complete.c
+++ b/src/bin/psql/tab-complete.c
@@ -2507,7 +2507,8 @@ psql_completion(const char *text, int start, int end)
        /* ALTER TABLE ALTER [COLUMN] <foo> SET */
        else if (Matches("ALTER", "TABLE", MatchAny, "ALTER", "COLUMN", MatchAny, "SET") ||
                         Matches("ALTER", "TABLE", MatchAny, "ALTER", MatchAny, "SET"))
-               COMPLETE_WITH("(", "COMPRESSION", "DEFAULT", "EXPRESSION", "GENERATED", "NOT NULL", "STATISTICS", "STORAGE",
+               COMPLETE_WITH("(", "COMPRESSION", "DATA TYPE", "DEFAULT", "EXPRESSION", "GENERATED", "NOT NULL",
+                                         "STATISTICS", "STORAGE",
                /* a subset of ALTER SEQUENCE options */
                                          "INCREMENT", "MINVALUE", "MAXVALUE", "START", "NO", "CACHE", "CYCLE");
        /* ALTER TABLE ALTER [COLUMN] <foo> SET ( */