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d602be4d81
In PG16 new collations named `en_US` and `en-US` on Windows bootstrap that are incompatible with UTF-8. So added the `collencoding` to the order of the query that determine the collation name to get another compatible collation.
43 lines
1.6 KiB
SQL
43 lines
1.6 KiB
SQL
-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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\c :TEST_DBNAME :ROLE_SUPERUSER
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-- We have different collation names such as en_US, en-US-x-icu and so on,
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-- that are available on different platforms.
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select * from (
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select 3 priority, 'C' "COLLATION"
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union all (select 2, collname from pg_collation where collname ilike 'en_us%' order by collencoding, collname limit 1)
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union all (select 1, collname from pg_collation where collname ilike 'en_us_utf%8%' order by collencoding, collname limit 1)
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) c
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order by priority limit 1 \gset
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create table compressed_collation_ht(time timestamp, name text collate :"COLLATION",
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value float);
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select create_hypertable('compressed_collation_ht', 'time');
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alter table compressed_collation_ht set (timescaledb.compress,
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timescaledb.compress_segmentby = 'name', timescaledb.compress_orderby = 'time');
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insert into compressed_collation_ht values ('2021-01-01 01:01:01', 'á', '1'),
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('2021-01-01 01:01:02', 'b', '2'), ('2021-01-01 01:01:03', 'ç', '2');
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SELECT count(compress_chunk(ch)) FROM show_chunks('compressed_collation_ht') ch;
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select ht.schema_name || '.' || ht.table_name as "CHUNK"
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from _timescaledb_catalog.hypertable ht
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inner join _timescaledb_catalog.hypertable ht2
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on ht.id = ht2.compressed_hypertable_id
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and ht2.table_name = 'compressed_collation_ht' \gset
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create index on :CHUNK (name);
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set enable_seqscan to off;
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explain (costs off)
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select * from compressed_collation_ht order by name;
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select * from compressed_collation_ht order by name;
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