thevar1able/ClickHouse
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24 Commits

Author SHA1 Message Date
Alexey Milovidov
d8cda3dbb8 Remove PVS-Studio 2023-02-19 23:30:05 +01:00
Maksim Kita
d083200d65 Fixed code review issues 2022-10-24 10:22:38 +02:00
Maksim Kita
85193ede42 Added UNION support 2022-10-24 10:22:19 +02:00
Maksim Kita
603c4febc3 Update explain query tree representation 2022-10-24 10:22:18 +02:00
Maksim Kita
75885ce2e1 Added Analyzer 2022-10-24 10:22:18 +02:00
vdimir
6028643e04 Add function viewExplain 2022-10-03 19:14:40 +02:00
kssenii
c502a14404 Fix 2022-04-26 11:26:20 +02:00
Alexander Tokmakov
141fbc6980 Merge branch 'master' into mvcc_prototype 2022-04-08 13:38:11 +02:00
Azat Khuzhin
33d99c8ffb Introduce compatiblity mode for SETTINGS after FORMAT 
Add allow_settings_after_format_in_insert setting, OFF by default.

Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
v2: s/parser_settings_after_format_compact/allow_settings_after_format_in_insert/ (suggested by vitlibar)
v3: replace ParserSettings with a flag (requested by vitlibar)
 2022-04-07 16:36:34 +03:00
Alexander Tokmakov
cbd3b45646 add EXPLAIN CURRENT TRANSACTION 2022-02-14 22:47:17 +03:00
Stig Bakken
6fbb9f5e87 Implement EXPLAIN TABLE OVERRIDE for pre-validating overrides. 
Example:

```sql
EXPLAIN TABLE OVERRIDE mysql('127.0.0.1:3306', 'db', 'table', 'user', 'pw')
    PARTITION BY tuple(toYYYYMM(created), id % 8)
```

Validations done:

 * check that storage overrides do not reference unknown or nullable columns
 * check that default specifier is not modified for columns
 2021-12-30 09:02:27 +01:00
Nikolai Kochetov
66a76ab70f Rewrite PushingToViewsBlockOutputStream part 6 2021-09-03 20:29:36 +03:00
Alexey Milovidov
9c0097cd9b Review fixes 2021-07-11 02:14:03 +03:00
Peng Jian
b526aacd56 Show estimates for SELECT query 2021-07-09 18:29:45 +08:00
Nikolai Kochetov
c92c352d9a Fix crash in EXPLAIN AST without query. 2021-06-23 15:29:10 +03:00
Alexey Milovidov
ad88819ee4 Fix a bunch of warnings from PVS-Studio 2021-05-08 19:13:10 +03:00
taiyang-li
cd7827f70c explain ast support nonselect queries 2020-12-16 18:11:38 +08:00
Ivan
315ff4f0d9
ANTLR4 Grammar for ClickHouse and new parser (#11298) 2020-12-04 05:15:44 +03:00
Ivan
281bf351d2
Remove ANALYZE and AST queries (#16536) 2020-11-02 15:47:12 +03:00
Nikolai Kochetov
924f1dfc46 Allow to parse EXPLAIN PLAN. 2020-07-02 11:40:41 +03:00
Nikolai Kochetov
5a678d74c2 Add explain pipeline. 2020-06-27 12:31:31 +03:00
Nikolai Kochetov
47d9f4af9c Header for explain. 2020-06-27 12:30:51 +03:00
Nikolai Kochetov
e1481ccfc2 Add initial explain. 2020-06-27 12:30:38 +03:00
Nikolai Kochetov
8b2232dc5e Parser for Explain 2020-06-22 16:26:55 +03:00