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in-memory parts: test for basic functionality
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27
tests/queries/0_stateless/01130_in_memory_parts.reference
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tests/queries/0_stateless/01130_in_memory_parts.reference
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Simple selects
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0 0
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1 1
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2 2
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3 0
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4 1
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50 2
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51 0
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52 1
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53 2
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54 0
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34
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0
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Mutations and Alters
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66
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1 1
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2 2
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4 1
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5 2
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7 1
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[1,1]
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[]
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[4,16]
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[]
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[7,49]
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1 1
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2 1
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33
tests/queries/0_stateless/01130_in_memory_parts.sql
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tests/queries/0_stateless/01130_in_memory_parts.sql
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DROP TABLE IF EXISTS in_memory;
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CREATE TABLE in_memory (a UInt32, b UInt32)
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ENGINE = MergeTree ORDER BY a
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SETTINGS min_rows_for_compact_part = 0;
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INSERT INTO in_memory SELECT number, number % 3 FROM numbers(100);
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SELECT 'Simple selects';
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SELECT * FROM in_memory ORDER BY a LIMIT 5;
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SELECT * FROM in_memory ORDER BY a LIMIT 5 OFFSET 50;
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SELECT count() FROM in_memory WHERE b = 0 SETTINGS max_block_size = 10;
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-- Check index
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SELECT count() FROM in_memory WHERE a > 100 SETTINGS max_rows_to_read = 0, force_primary_key = 1;
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SELECT 'Mutations and Alters';
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SET mutations_sync = 1;
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ALTER TABLE in_memory DELETE WHERE b = 0;
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SELECT count() FROM in_memory;
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SELECT * FROM in_memory ORDER BY a LIMIT 5;
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ALTER TABLE in_memory ADD COLUMN arr Array(UInt64);
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ALTER TABLE in_memory UPDATE arr = [a, a * a] WHERE b = 1;
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SELECT arr FROM in_memory ORDER BY a LIMIT 5;
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ALTER TABLE in_memory MODIFY COLUMN b String;
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ALTER TABLE in_memory RENAME COLUMN b to str;
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SELECT DISTINCT str, length(str) FROM in_memory ORDER BY str;
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DROP TABLE in_memory;
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