drop schema support

[zachmu]

Fixes #2159

[github-actions]

	Main	PR
covering_index_scan_postgres	561.16/s	570.77/s	+1.7%
index_join_postgres	118.45/s	120.31/s	+1.5%
index_join_scan_postgres	179.62/s	179.67/s	0.0%
index_scan_postgres	11.27/s	11.35/s	+0.7%
oltp_point_select	2331.31/s	2343.97/s	+0.5%
oltp_read_only	1691.00/s	1714.46/s	+1.3%
select_random_points	106.91/s	107.77/s	+0.8%
select_random_ranges	429.42/s	433.56/s	+0.9%
table_scan_postgres	10.87/s	11.09/s	+2.0%
types_table_scan_postgres	5.11/s	5.12/s	+0.1%

[github-actions]

	Main	PR
Total	42090	42090
Successful	17505	17514
Failures	24585	24576
Partial Successes1	5587	5587

	Main	PR
Successful	41.5895%	41.6108%
Failures	58.4105%	58.3892%

${\color{lightgreen}Progressions (8)}$

alter_table

QUERY: DROP SCHEMA alter2;

collate.icu.utf8

QUERY: DROP SCHEMA test_schema;

drop_if_exists

QUERY: DROP SCHEMA IF EXISTS test_schema_exists;

QUERY: DROP SCHEMA IF EXISTS test_schema_exists;

fast_default

QUERY: DROP SCHEMA fast_default;

guc

QUERY: drop schema not_there_initially;

publication

QUERY: DROP SCHEMA testpub_rf_schema1;

QUERY: DROP SCHEMA testpub_rf_schema2;

Footnotes

1. These are tests that we're marking as Successful, however they do not match the expected output in some way. This is due to small differences, such as different wording on the error messages, or the column names being incorrect while the data itself is correct. ↩

[Hydrocharged]

LGTM

[chrisfw]

Thank you @zachmu and @Hydrocharged !