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psql \dX: list extended statistics objects

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The new command lists extended statistics objects. All past releases
with extended statistics are supported.

This is a simplified version of commit 891a1d0bca, which had to be
reverted due to not considering pg_statistic_ext_data is not accessible
by regular users. Fields requiring access to this catalog were removed.
It's possible to add them, but it'll require changes to core.

Author: Tatsuro Yamada
Reviewed-by: Julien Rouhaud, Alvaro Herrera, Tomas Vondra, Noriyoshi Shinoda
Discussion: https://postgr.es/m/c027a541-5856-75a5-0868-341301e1624b%40nttcom.co.jp_1
This commit is contained in:
Tomas Vondra
2021-01-20 22:56:06 +01:00
parent 9d23c15a03
commit ad600bba04
8 changed files with 267 additions and 1 deletions
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4
src/bin/psql/tab-complete.c
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@ -1505,7 +1505,7 @@ psql_completion(const char *text, int start, int end)
"\\dF", "\\dFd", "\\dFp", "\\dFt", "\\dg", "\\di", "\\dl", "\\dL",
"\\dm", "\\dn", "\\do", "\\dO", "\\dp", "\\dP", "\\dPi", "\\dPt",
"\\drds", "\\dRs", "\\dRp", "\\ds", "\\dS",
"\\dt", "\\dT", "\\dv", "\\du", "\\dx", "\\dy",
"\\dt", "\\dT", "\\dv", "\\du", "\\dx", "\\dX", "\\dy",
"\\e", "\\echo", "\\ef", "\\elif", "\\else", "\\encoding",
"\\endif", "\\errverbose", "\\ev",
"\\f",
@ -3974,6 +3974,8 @@ psql_completion(const char *text, int start, int end)
COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_views, NULL);
else if (TailMatchesCS("\\dx*"))
COMPLETE_WITH_QUERY(Query_for_list_of_extensions);
else if (TailMatchesCS("\\dX*"))
COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_statistics, NULL);
else if (TailMatchesCS("\\dm*"))
COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_matviews, NULL);
else if (TailMatchesCS("\\dE*"))