ClickHouse/dbms/tests/queries/0_stateless/01087_table_function_generate.sql

SELECT
    toTypeName(ui64), toTypeName(i64),
    toTypeName(ui32), toTypeName(i32),
    toTypeName(ui16), toTypeName(i16),
    toTypeName(ui8), toTypeName(i8)
FROM generate('ui64 UInt64, i64 Int64, ui32 UInt32, i32 Int32, ui16 UInt16, i16 Int16, ui8 UInt8, i8 Int8')
LIMIT 1;
SELECT
    ui64, i64,
    ui32, i32,
    ui16, i16,
    ui8, i8
FROM generate('ui64 UInt64, i64 Int64, ui32 UInt32, i32 Int32, ui16 UInt16, i16 Int16, ui8 UInt8, i8 Int8', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
  toTypeName(i)
FROM generate('i Enum8(\'hello\' = 1, \'world\' = 5)')
LIMIT 1;
SELECT
  i
FROM generate('i Enum8(\'hello\' = 1, \'world\' = 5)', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
  toTypeName(i)
FROM generate('i Array(Nullable(Enum8(\'hello\' = 1, \'world\' = 5)))')
LIMIT 1;
SELECT
  i
FROM generate('i Array(Nullable(Enum8(\'hello\' = 1, \'world\' = 5)))', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
  toTypeName(i)s
FROM generate('i Nullable(Enum16(\'h\' = 1, \'w\' = 5 , \'o\' = -200)))')
LIMIT 1;
SELECT
  i
FROM generate('i Nullable(Enum16(\'h\' = 1, \'w\' = 5 , \'o\' = -200)))', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
toTypeName(d), toTypeName(dt), toTypeName(dtm)
FROM generate('d Date, dt DateTime, dtm DateTime(\'Europe/Moscow\')')
LIMIT 1;
SELECT
d, dt, dtm
FROM generate('d Date, dt DateTime, dtm DateTime(\'Europe/Moscow\')', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
toTypeName(dt64), toTypeName(dts64), toTypeName(dtms64)
FROM generate('dt64 DateTime64, dts64 DateTime64(6), dtms64 DateTime64(6 ,\'Europe/Moscow\')')
LIMIT 1;
SELECT
dt64, dts64, dtms64
FROM generate('dt64 DateTime64, dts64 DateTime64(6), dtms64 DateTime64(6 ,\'Europe/Moscow\')', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
  toTypeName(f32), toTypeName(f64)
FROM generate('f32 Float32, f64 Float64')
LIMIT 1;
SELECT
  f32, f64
FROM generate('f32 Float32, f64 Float64', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
  toTypeName(d32), toTypeName(d64), toTypeName(d64)
FROM generate('d32 Decimal32(4), d64 Decimal64(8), d128 Decimal128(16)')
LIMIT 1;
SELECT
  d32, d64, d128
FROM generate('d32 Decimal32(4), d64 Decimal64(8), d128 Decimal128(16)', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
  toTypeName(i)
FROM generate('i Tuple(Int32, Int64)')
LIMIT 1;
SELECT
  i
FROM generate('i Tuple(Int32, Int64)', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
  toTypeName(i)
FROM generate('i Array(Int8)')
LIMIT 1;
SELECT
  i
FROM generate('i Array(Int8)', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
  toTypeName(i)
FROM generate('i Array(Nullable(Int32))')
LIMIT 1;
SELECT
  i
FROM generate('i Array(Nullable(Int32))', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
  toTypeName(i)
FROM generate('i Tuple(Int32, Array(Int64))')
LIMIT 1;
SELECT
  i
FROM generate('i Tuple(Int32, Array(Int64))', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
  toTypeName(i)
FROM generate('i Nullable(String)', 1)
LIMIT 1;
SELECT
  i
FROM generate('i Nullable(String)', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
  toTypeName(i)
FROM generate('i Array(String)')
LIMIT 1;
SELECT
  i
FROM generate('i Array(String)', 10, 10, 1)
LIMIT 10;

SELECT '-';
SELECT
    toTypeName(i)
FROM generate('i UUID')
LIMIT 1;
SELECT
    i
FROM generate('i UUID', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
    toTypeName(i)
FROM generate('i Array(Nullable(UUID))')
LIMIT 1;
SELECT
    i
FROM generate('i Array(Nullable(UUID))', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
    toTypeName(i)
FROM generate('i FixedString(4)')
LIMIT 1;
SELECT
    i
FROM generate('i FixedString(4)', 10, 10, 1)
LIMIT 10;
SELECT '-';
SELECT
    toTypeName(i)
FROM generate('i String')
LIMIT 1;
SELECT
    i
FROM generate('i String', 10, 10, 1)
LIMIT 10;
SELECT '-';
DROP TABLE IF EXISTS test_table;
CREATE TABLE test_table(a Array(Int8), d Decimal32(4), c Tuple(DateTime64(3), UUID)) ENGINE=Memory;
INSERT INTO test_table SELECT * FROM generate('a Array(Int8), d Decimal32(4), c Tuple(DateTime64(3), UUID)', 2, 10, 1)
LIMIT 10;

SELECT * FROM test_table;

DROP TABLE IF EXISTS test_table;

SELECT '-';

DROP TABLE IF EXISTS test_table_2;
CREATE TABLE test_table_2(a Array(Int8), b UInt32, c Nullable(String), d Decimal32(4), e Nullable(Enum16('h' = 1, 'w' = 5 , 'o' = -200)), f Float64, g Tuple(Date, DateTime, DateTime64, UUID), h FixedString(2)) ENGINE=Memory;
INSERT INTO test_table_2 SELECT * FROM generate('a Array(Int8), b UInt32, c Nullable(String), d Decimal32(4), e Nullable(Enum16(\'h\' = 1, \'w\' = 5 , \'o\' = -200)), f Float64, g Tuple(Date, DateTime, DateTime64, UUID), h FixedString(2)', 3, 5, 10)
LIMIT 10;

SELECT * FROM test_table_2;
SELECT '-';

DROP TABLE IF EXISTS test_table_2;