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Fixed "generateRandom" function for Date type #9973

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This commit is contained in:
Alexey Milovidov 2020-04-13 00:27:11 +03:00
parent 20dcc4decd
commit 3215257a90
3 changed files with 10 additions and 1 deletions
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5
src/Storages/StorageGenerateRandom.cpp
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@ -205,7 +205,10 @@ ColumnPtr fillColumnWithRandomData(
{
auto column = ColumnUInt16::create();
column->getData().resize(limit);
fillBufferWithRandomData(reinterpret_cast<char *>(column->getData().data()), limit * sizeof(UInt16), rng);
for (size_t i = 0; i < limit; ++i)
column->getData()[i] = rng() % (DATE_LUT_MAX_DAY_NUM + 1); /// Slow
return column;
}
case TypeIndex::UInt32: [[fallthrough]];

1
tests/queries/0_stateless/01125_generate_random_qoega.reference Normal file
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@ -0,0 +1 @@
100 4456446406473339606

5
tests/queries/0_stateless/01125_generate_random_qoega.sql Normal file
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@ -0,0 +1,5 @@
DROP TABLE IF EXISTS mass_table_117;
CREATE TABLE mass_table_117 (`dt` Date, `site_id` Int32, `site_key` String) ENGINE = MergeTree(dt, (site_id, site_key, dt), 8192);
INSERT INTO mass_table_117 SELECT * FROM generateRandom('`dt` Date,`site_id` Int32,`site_key` String', 1, 10, 2) LIMIT 100;
SELECT count(), sum(cityHash64(*)) FROM mass_table_117;
DROP TABLE mass_table_117;