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https://github.com/timescale/timescaledb.git
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543a75f865
This commit moves a lot of test setup logic to runner.sh. Also passes the right commands to the regression infrastructure to create appropriate users and run tests as a regular user.
56 lines
2.1 KiB
SQL
56 lines
2.1 KiB
SQL
-- DROP a table's column before making it a hypertable
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CREATE TABLE alter_before(id serial, time timestamp, temp float, colorid integer);
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ALTER TABLE alter_before DROP COLUMN id;
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SELECT create_hypertable('alter_before', 'time', chunk_time_interval => 2628000000000);
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INSERT INTO alter_before VALUES ('2017-03-22T09:18:22', 23.5, 1);
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SELECT * FROM alter_before;
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-- Show that deleted column is marked as dropped and that attnums are
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-- now different for the root table and the chunk
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SELECT c.relname, a.attname, a.attnum FROM pg_attribute a, pg_class c
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WHERE a.attrelid = c.oid
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AND (c.relname LIKE '_hyper_1%_chunk' OR c.relname = 'alter_before')
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AND a.attnum > 0;
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-- DROP a table's column after making it a hypertable and having data
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CREATE TABLE alter_after(id serial, time timestamp, temp float, colorid integer);
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SELECT create_hypertable('alter_after', 'time', chunk_time_interval => 2628000000000);
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-- Create first chunk
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INSERT INTO alter_after (time, temp, colorid) VALUES ('2017-03-22T09:18:22', 23.5, 1);
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ALTER TABLE alter_after DROP COLUMN id;
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-- Creating new chunks after dropping a column should work just fine
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INSERT INTO alter_after VALUES ('2017-03-22T09:18:23', 21.5, 1),
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('2017-05-22T09:18:22', 36.2, 2),
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('2017-05-22T09:18:23', 15.2, 2);
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-- Make sure tuple conversion also works with COPY
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\COPY alter_after FROM 'data/alter.tsv' NULL AS '';
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-- Data should look OK
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SELECT * FROM alter_after;
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-- Show that attnums are different for chunks created after DROP
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-- column
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SELECT c.relname, a.attname, a.attnum FROM pg_attribute a, pg_class c
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WHERE a.attrelid = c.oid
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AND (c.relname LIKE '_hyper_2%_chunk' OR c.relname = 'alter_after')
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AND a.attnum > 0;
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-- Add an ID column again
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ALTER TABLE alter_after ADD COLUMN id serial;
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INSERT INTO alter_after (time, temp, colorid) VALUES ('2017-08-22T09:19:14', 12.5, 3);
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SELECT c.relname, a.attname, a.attnum FROM pg_attribute a, pg_class c
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WHERE a.attrelid = c.oid
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AND (c.relname LIKE '_hyper_2%_chunk' OR c.relname = 'alter_after')
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AND a.attnum > 0;
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SELECT * FROM alter_after;
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