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minor test improvement

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This commit is contained in:
chertus 2019-04-18 17:45:23 +03:00
parent ab27970fd7
commit 719e0c5731
2 changed files with 37 additions and 17 deletions
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19
dbms/tests/queries/0_stateless/00722_inner_join.reference
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@ -19,10 +19,21 @@
┌─database─┬─name─┐
│ system │ one │
└──────────┴──────┘
one
system one
system one
test one
┌─db.x───┬─name─┐
│ system │ one │
└────────┴──────┘
┌─db.name─┬─name─┐
│ system │ one │
└─────────┴──────┘
┌─db.name─┬─name─┐
│ system │ one │
└─────────┴──────┘
┌─database─┬─name─┐
│ system │ one │
└──────────┴──────┘
┌─database─┬─name─┐
│ system │ one │
└──────────┴──────┘
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2
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35
dbms/tests/queries/0_stateless/00722_inner_join.sql
View File

@ -1,6 +1,6 @@
CREATE DATABASE IF NOT EXISTS test;
DROP TABLE IF EXISTS one;
CREATE TABLE one(dummy UInt8) ENGINE = Memory;
DROP TABLE IF EXISTS test.one;
CREATE TABLE test.one(dummy UInt8) ENGINE = Memory;
SELECT database, t.name
FROM system.tables AS t
@ -48,25 +48,34 @@ SELECT database, t.name
WHERE db.name = 'system' AND t.name = 'one'
FORMAT PrettyCompactNoEscapes;
--SELECT db.name, t.name
-- FROM (SELECT name, database AS x FROM system.tables) AS t
-- JOIN (SELECT name AS x FROM system.databases) AS db USING x
-- WHERE x = 'system' AND t.name = 'one'
-- FORMAT PrettyCompactNoEscapes;
SELECT db.x, t.name
FROM (SELECT name, database AS x FROM system.tables) AS t
JOIN (SELECT name AS x FROM system.databases) AS db USING x
WHERE x = 'system' AND t.name = 'one'
FORMAT PrettyCompactNoEscapes;
SELECT t.name --, db.name
SELECT db.name, t.name
FROM (SELECT name, database FROM system.tables WHERE name = 'one') AS t
JOIN (SELECT name FROM system.databases WHERE name = 'system') AS db ON t.database = db.name;
JOIN (SELECT name FROM system.databases WHERE name = 'system') AS db ON t.database = db.name
FORMAT PrettyCompactNoEscapes;
SELECT db.name, t.name
FROM system.tables AS t
JOIN (SELECT * FROM system.databases WHERE name = 'system') AS db ON t.database = db.name
WHERE t.name = 'one';
WHERE t.name = 'one'
FORMAT PrettyCompactNoEscapes;
SELECT database, t.name
SELECT t.database, t.name
FROM system.tables AS t
JOIN (SELECT name, name AS database FROM system.databases) AS db ON t.database = db.name
WHERE t.name = 'one';
WHERE t.database = 'system' AND t.name = 'one'
FORMAT PrettyCompactNoEscapes;
SELECT t.database, t.name
FROM system.tables t
ANY LEFT JOIN (SELECT 'system' AS base, 'one' AS name) db USING name
WHERE t.database = db.base
FORMAT PrettyCompactNoEscapes;
SELECT count(t.database)
FROM (SELECT * FROM system.tables WHERE name = 'one') AS t
@ -82,4 +91,4 @@ SELECT count()
JOIN system.databases AS db ON db.name = t.database
WHERE t.name = 'one';
DROP TABLE one;
DROP TABLE test.one;