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77 lines
3.4 KiB
SQL
77 lines
3.4 KiB
SQL
-- Tags: no-parallel
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DROP DATABASE IF EXISTS test_truncate_database;
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-- test TRUNCATE DATABASE operation.
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-- create tables, views and dictionary and populate them. Then try truncating the database.
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-- all tables, views and dictionaries should be removed leaving an empty database
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CREATE DATABASE test_truncate_database;
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USE test_truncate_database;
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-- create tables with several different types of table engines
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CREATE TABLE source_table_memory (x UInt16) ENGINE = Memory;
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CREATE TABLE source_table_log (x UInt16) ENGINE = Log;
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CREATE TABLE source_table_tiny_log (x UInt16) ENGINE = TinyLog;
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CREATE TABLE source_table_stripe_log (x UInt16) ENGINE = StripeLog;
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CREATE TABLE source_table_merge_tree (x UInt16) ENGINE = MergeTree ORDER BY x PARTITION BY x;
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-- create dictionary source table
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CREATE TABLE source_table_dictionary
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(
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id UInt64,
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value String
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) ENGINE = Memory();
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-- insert data into the tables
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INSERT INTO source_table_memory SELECT * FROM system.numbers LIMIT 10;
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INSERT INTO source_table_log SELECT * FROM system.numbers LIMIT 10;
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INSERT INTO source_table_tiny_log SELECT * FROM system.numbers LIMIT 10;
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INSERT INTO source_table_stripe_log SELECT * FROM system.numbers LIMIT 10;
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INSERT INTO source_table_merge_tree SELECT * FROM system.numbers LIMIT 10;
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INSERT INTO source_table_dictionary VALUES (1, 'First');
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-- create view based on the tables
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CREATE VIEW dest_view_memory (x UInt64) AS SELECT * FROM source_table_memory;
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CREATE VIEW dest_view_log (x UInt64) AS SELECT * FROM source_table_log;
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CREATE VIEW dest_view_tiny_log (x UInt64) AS SELECT * FROM source_table_tiny_log;
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CREATE VIEW dest_view_stripe_log (x UInt64) AS SELECT * FROM source_table_stripe_log;
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CREATE VIEW dest_view_merge_tree (x UInt64) AS SELECT * FROM source_table_merge_tree;
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-- create dictionary based on source table
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CREATE DICTIONARY dest_dictionary
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(
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id UInt64,
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value String
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)
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PRIMARY KEY id
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() DB 'test_truncate_database' TABLE 'source_table_dictionary'))
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LAYOUT(FLAT())
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LIFETIME(MIN 0 MAX 1000);
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SELECT * FROM dest_view_memory ORDER BY x LIMIT 1;
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SELECT * FROM dest_view_log ORDER BY x LIMIT 1;
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SELECT * FROM dest_view_tiny_log ORDER BY x LIMIT 1;
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SELECT * FROM dest_view_stripe_log ORDER BY x LIMIT 1;
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SELECT * FROM dest_view_merge_tree ORDER BY x LIMIT 1;
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SELECT name, database, element_count FROM system.dictionaries WHERE database = 'test_truncate_database' AND name = 'dest_dictionary';
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SELECT * FROM dest_dictionary;
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SELECT '=== TABLES IN test_truncate_database ===';
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SHOW TABLES FROM test_truncate_database;
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SELECT '=== DICTIONARIES IN test_truncate_database ===';
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SHOW DICTIONARIES FROM test_truncate_database;
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TRUNCATE DATABASE test_truncate_database;
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SELECT * FROM dest_view_set ORDER BY x LIMIT 1; -- {serverError 60}
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SELECT * FROM dest_view_memory ORDER BY x LIMIT 1; -- {serverError 60}
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SELECT * FROM dest_view_log ORDER BY x LIMIT 1; -- {serverError 60}
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SELECT * FROM dest_view_tiny_log ORDER BY x LIMIT 1; -- {serverError 60}
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SELECT * FROM dest_view_stripe_log ORDER BY x LIMIT 1; -- {serverError 60}
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SELECT * FROM dest_view_merge_tree ORDER BY x LIMIT 1; -- {serverError 60}
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SELECT name, database, element_count FROM system.dictionaries WHERE database = 'test_truncate_database' AND name = 'dest_dictionary';
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SELECT * FROM dest_dictionary; -- {serverError 60}
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SHOW TABLES FROM test_truncate_database;
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SHOW DICTIONARIES FROM test_truncate_database;
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DROP DATABASE test_truncate_database;
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