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31 lines
503 B
MySQL
31 lines
503 B
MySQL
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CREATE TABLE raw
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(
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name String,
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num String
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) ENGINE = MergeTree
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ORDER BY (name);
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CREATE TABLE parsed_eph
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(
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name String,
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num_ephemeral UInt32 EPHEMERAL,
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num UInt32 MATERIALIZED num_ephemeral,
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) ENGINE = MergeTree
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ORDER BY (name);
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CREATE MATERIALIZED VIEW parse_mv_eph
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TO parsed_eph
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AS
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SELECT
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name,
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toUInt32(num) as num_ephemeral
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FROM raw;
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INSERT INTO raw VALUES ('3', '3'), ('42', '42');
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SELECT name, num FROM parsed_eph;
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DROP VIEW parse_mv_eph;
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DROP TABLE parsed_eph;
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DROP TABLE raw;
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