mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-12 17:32:32 +00:00
58 lines
2.8 KiB
SQL
58 lines
2.8 KiB
SQL
DROP TABLE IF EXISTS t1;
|
|
DROP TABLE IF EXISTS t2;
|
|
|
|
CREATE TABLE t1 (
|
|
time DateTime,
|
|
foo String,
|
|
dimension_1 String,
|
|
dt Date MATERIALIZED toDate(time),
|
|
dt1 Date MATERIALIZED toDayOfYear(time),
|
|
aliascol1 ALIAS foo || dimension_1,
|
|
time_alias DateTime ALIAS time
|
|
) ENGINE = MergeTree() PARTITION BY toYYYYMM(dt) ORDER BY (dt, foo);
|
|
|
|
CREATE TABLE t2 (
|
|
time DateTime,
|
|
bar String,
|
|
dimension_2 String,
|
|
dt Date MATERIALIZED toDate(time),
|
|
dt2 Date MATERIALIZED toDayOfYear(time),
|
|
aliascol2 ALIAS bar || dimension_2,
|
|
time_alias DateTime ALIAS time
|
|
) ENGINE = MergeTree() PARTITION BY toYYYYMM(dt) ORDER BY (dt, bar);
|
|
|
|
INSERT INTO t1 VALUES ('2020-01-01 12:00:00', 'fact1', 't1_val1'), ('2020-02-02 13:00:00', 'fact2', 't1_val2'), ('2020-01-01 13:00:00', 'fact3', 't1_val3');
|
|
INSERT INTO t2 VALUES ('2020-01-01 12:00:00', 'fact1', 't2_val2'), ('2020-02-05 13:00:00', 'fact2', 't1_val2'), ('2019-01-01 12:00:00', 'fact4', 't2_val2');
|
|
|
|
SELECT * FROM t1 JOIN t2 ON t1.foo = t2.bar WHERE t2.dt >= '2020-02-01';
|
|
SELECT '-';
|
|
SELECT t1.*, t1.dt, t2.*, t2.dt FROM t1 JOIN t2 ON t1.foo = t2.bar WHERE t2.dt >= '2020-02-01';
|
|
SELECT '-';
|
|
SELECT t1.dt, t2.dt FROM t1 JOIN t2 ON t1.foo = t2.bar ORDER BY t1.dt;
|
|
SELECT '-';
|
|
SELECT * FROM t1 ALL JOIN t2 ON t1.dt = t2.dt ORDER BY t1.time, t2.time;
|
|
SELECT '-';
|
|
SELECT * FROM t1 ALL JOIN t2 USING (dt) ORDER BY t1.time, t2.time settings allow_experimental_analyzer=0;
|
|
SELECT * FROM t1 ALL JOIN t2 USING (dt) ORDER BY t1.time, t2.time settings allow_experimental_analyzer=1;
|
|
SELECT '-';
|
|
SELECT * FROM t1 JOIN t2 ON t1.dt1 = t2.dt2 ORDER BY t1.time, t1.dimension_1, t2.time, t2.dimension_2;
|
|
SELECT '-';
|
|
SELECT * FROM t1 JOIN t2 ON t1.foo = t2.bar WHERE t2.aliascol2 == 'fact2t1_val2';
|
|
SELECT '-';
|
|
SELECT t1.aliascol1, t2.aliascol2 FROM t1 JOIN t2 ON t1.foo = t2.bar ORDER BY t1.time, t2.time;
|
|
SELECT '-';
|
|
SELECT t1.time, t2.time FROM t1 JOIN t2 ON t1.aliascol1 = t2.aliascol2 ORDER BY t1.time, t2.time;
|
|
SELECT '-';
|
|
SELECT count() FROM t1 JOIN t2 ON t1.time_alias = t2.time;
|
|
SELECT count() FROM t1 JOIN t2 ON t1.time = t2.time_alias;
|
|
SELECT count() FROM t1 JOIN t2 ON t1.time_alias = t2.time_alias;
|
|
SELECT count() FROM t1 JOIN t2 USING (time_alias);
|
|
SELECT '-';
|
|
SELECT t1.time as talias FROM t1 JOIN t2 ON talias = t2.time;
|
|
SELECT t1.time as talias FROM t1 JOIN t2 ON talias = t2.time_alias;
|
|
SELECT t2.time as talias FROM t1 JOIN t2 ON t1.time = talias;
|
|
SELECT t2.time as talias FROM t1 JOIN t2 ON t1.time_alias = talias;
|
|
SELECT time as talias FROM t1 JOIN t2 ON t1.time = talias; -- { serverError AMBIGUOUS_COLUMN_NAME, INVALID_JOIN_ON_EXPRESSION }
|
|
SELECT time as talias FROM t1 JOIN t2 ON talias = t2.time settings allow_experimental_analyzer=0; -- { serverError AMBIGUOUS_COLUMN_NAME }
|
|
SELECT time as talias FROM t1 JOIN t2 ON talias = t2.time settings allow_experimental_analyzer=1;
|