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Fix busted tab completion of extension versions.

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In 02b8048ba I (tgl) got rid of the need for most tab-completion queries
to return pre-quoted identifiers.  But I over-hastily removed the
quote_ident call from Query_for_list_of_available_extension_versions*
too; those still need it, because what is returned isn't an identifier
at all and will (almost?) always need quoting.

Arguably we should use quote_literal here instead.  But quote_ident
works too and people may be used to that behavior, so stick with it.

In passing, fix inconsistent omission of schema-qualification in
Query_for_list_of_encodings.  That's not a security issue per our
current guidelines, but it ought to be like the rest.

Jeff Janes

Discussion: https://postgr.es/m/CAMkU=1yV+egSYrzWvbDY8VZ6bKEMrKbzxr-HTuiHi+wDgSUMgA@mail.gmail.com
This commit is contained in:
Tom Lane 2022-06-18 19:45:38 -04:00
parent 7bd4a9e990
commit 9cd43f6cbd
1 changed files with 12 additions and 7 deletions
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19
src/bin/psql/tab-complete.c
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@ -238,6 +238,11 @@ static bool completion_force_quote; /* true to force-quote filenames */
* QUERY_PLUS forms combine such literal lists with a query result.
* 4) The list of attributes of the given table (possibly schema-qualified).
* 5) The list of arguments to the given function (possibly schema-qualified).
*
* The query is generally expected to return raw SQL identifiers; quoting
* is handled by the matching machinery. If what is returned is not SQL
* identifiers, use one of the VERBATIM forms (and then, if quoting is
* needed, do it inside the query).
*/
#define COMPLETE_WITH_QUERY(query) \
COMPLETE_WITH_QUERY_LIST(query, NULL)
@ -992,7 +997,7 @@ static const SchemaQuery Query_for_trigger_of_table = {
#define Query_for_list_of_encodings \
" SELECT DISTINCT pg_catalog.pg_encoding_to_char(conforencoding) "\
" FROM pg_catalog.pg_conversion "\
" WHERE pg_catalog.pg_encoding_to_char(conforencoding) LIKE UPPER('%s')"
" WHERE pg_catalog.pg_encoding_to_char(conforencoding) LIKE pg_catalog.upper('%s')"
#define Query_for_list_of_languages \
"SELECT lanname "\
@ -1076,18 +1081,18 @@ static const SchemaQuery Query_for_trigger_of_table = {
" FROM pg_catalog.pg_available_extensions "\
" WHERE name LIKE '%s' AND installed_version IS NULL"
/* the result of this query is not an identifier, so use VERBATIM */
/* the result of this query is not a raw identifier, so use VERBATIM */
#define Query_for_list_of_available_extension_versions \
" SELECT version "\
" SELECT pg_catalog.quote_ident(version) "\
" FROM pg_catalog.pg_available_extension_versions "\
" WHERE version LIKE '%s'"\
" WHERE pg_catalog.quote_ident(version) LIKE '%s'"\
" AND name='%s'"
/* the result of this query is not an identifier, so use VERBATIM */
/* the result of this query is not a raw identifier, so use VERBATIM */
#define Query_for_list_of_available_extension_versions_with_TO \
" SELECT 'TO ' || version "\
" SELECT 'TO ' || pg_catalog.quote_ident(version) "\
" FROM pg_catalog.pg_available_extension_versions "\
" WHERE ('TO ' || version) LIKE '%s'"\
" WHERE ('TO ' || pg_catalog.quote_ident(version)) LIKE '%s'"\
" AND name='%s'"
#define Query_for_list_of_prepared_statements \