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Updated test cases for gorilla to simplify debugging

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Added case name and previous row values.
This commit is contained in:
Vasily Nemkov 2019-06-19 17:51:48 +03:00
parent e79c3d0e22
commit 219a09280d
1 changed files with 27 additions and 15 deletions
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42
dbms/tests/queries/0_stateless/00950_test_gorilla_codec.sql
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@ -4,6 +4,7 @@ DROP TABLE IF EXISTS codecTest;
CREATE TABLE codecTest (
key UInt64,
name String,
ref_valueF64 Float64,
ref_valueF32 Float32,
valueF64 Float64 CODEC(Gorilla),
@ -11,41 +12,52 @@ CREATE TABLE codecTest (
) Engine = MergeTree ORDER BY key;
-- best case - same value
INSERT INTO codecTest (key, ref_valueF64, valueF64, ref_valueF32, valueF32)
SELECT number AS n, e() AS v, v, v, v FROM system.numbers LIMIT 1, 100;
INSERT INTO codecTest (key, name, ref_valueF64, valueF64, ref_valueF32, valueF32)
SELECT number AS n, 'e()', e() AS v, v, v, v FROM system.numbers LIMIT 1, 100;
-- good case - values that grow insignificantly
INSERT INTO codecTest (key, ref_valueF64, valueF64, ref_valueF32, valueF32)
SELECT number AS n, log2(n) AS v, v, v, v FROM system.numbers LIMIT 101, 100;
INSERT INTO codecTest (key, name, ref_valueF64, valueF64, ref_valueF32, valueF32)
SELECT number AS n, 'log2(n)', log2(n) AS v, v, v, v FROM system.numbers LIMIT 101, 100;
-- bad case - values differ significantly
INSERT INTO codecTest (key, ref_valueF64, valueF64, ref_valueF32, valueF32)
SELECT number AS n, n*sqrt(n) AS v, v, v, v FROM system.numbers LIMIT 201, 100;
INSERT INTO codecTest (key, name, ref_valueF64, valueF64, ref_valueF32, valueF32)
SELECT number AS n, 'n*sqrt(n)', n*sqrt(n) AS v, v, v, v FROM system.numbers LIMIT 201, 100;
-- worst case - almost like a random values
INSERT INTO codecTest (key, ref_valueF64, valueF64, ref_valueF32, valueF32)
SELECT number AS n, sin(n * n * n ) * n AS v, v, v, v FROM system.numbers LIMIT 3001, 100;
INSERT INTO codecTest (key, name, ref_valueF64, valueF64, ref_valueF32, valueF32)
SELECT number AS n, 'sin(n*n*n)*n', sin(n * n * n * n* n) AS v, v, v, v FROM system.numbers LIMIT 301, 100;
-- These floating-point values are expected to be BINARY equal, hence comparing the values are safe.
-- These floating-point values are expected to be BINARY equal, so comparing by-value is Ok here.
-- referencing previous row key, value, and case name to simplify debugging.
SELECT 'F64';
SELECT
key,
ref_valueF64, valueF64, ref_valueF64 - valueF64 AS dF64
FROM codecTest
c1.key, c1.name,
c1.ref_valueF64, c1.valueF64, c1.ref_valueF64 - c1.valueF64 AS dF64,
'prev:',
c2.key, c2.ref_valueF64
FROM
codecTest as c1, codecTest as c2
WHERE
dF64 != 0
AND
c2.key = c1.key - 1
LIMIT 10;
SELECT 'F32';
SELECT
key,
ref_valueF32, valueF32, ref_valueF32 - valueF32 AS dF32
FROM codecTest
c1.key, c1.name,
c1.ref_valueF32, c1.valueF32, c1.ref_valueF32 - c1.valueF32 AS dF32,
'prev:',
c2.key, c2.ref_valueF32
FROM
codecTest as c1, codecTest as c2
WHERE
dF32 != 0
AND
c2.key = c1.key - 1
LIMIT 10;
DROP TABLE IF EXISTS codecTest;