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root@localhost:8000/default> create table t(a string, b int);
0 row written in 0.185 sec. Processed 0 row, 0 B (0 row/s, 0 B/s)
root@localhost:8000/default> alter table t cluster by hilbert(substring(a,1,5),b);
0 row written in 0.077 sec. Processed 0 row, 0 B (0 row/s, 0 B/s)
root@localhost:8000/default> insert into t values('a',1);
┌─────────────────────────┐
│ number of rows inserted │
│ UInt64 │
├─────────────────────────┤
│ 1 │
└─────────────────────────┘
1 row written in 0.109 sec. Processed 1 row, 22 B (9.17 rows/s, 201 B/s)
root@localhost:8000/default> insert into t values('b',2),('c',3);
┌─────────────────────────┐
│ number of rows inserted │
│ UInt64 │
├─────────────────────────┤
│ 2 │
└─────────────────────────┘
2 rows written in 0.091 sec. Processed 2 rows, 42 B (21.98 rows/s, 461 B/s)
root@localhost:8000/default> alter table t recluster;
error: APIError: QueryFailed: [1005]error:
--> SQL:1:66
|
1 | SELECT range_bound(1000, 1000)(hilbert_range_index(t.SUBSTRING(a FROM 1 FOR 5), [], t.b, [])) FROM default.t
| ------ ----------- -------------------- - ^^^^ expecting `IS`, `IN`, `LIKE`, `EXISTS`, `BETWEEN`, `+`, `-`, `*`, `/`, `//`, `DIV`, `%`, `||`, `<=>`, `<+>`, `<->`, `>`, `<`, `>=`, `<=`, `=`, `<>`, `!=`, `^`, `AND`, `OR`, `XOR`, `NOT`, `REGEXP`, `RLIKE`, `SOUNDS`, or more ...
| | | || |
| | | || while parsing `(<expr> [, ...])`
| | | |while parsing `function(... [ , x -> ... ] ) [ (...) ] [ WITHIN GROUP ( ORDER BY <expr>, ... ) ] [ OVER ([ PARTITION BY <expr>, ... ] [ ORDER BY <expr>, ... ] [ <window frame> ]) ]`
| | | while parsing `(<expr> [, ...])`
| | while parsing expression
| while parsing `SELECT ...`Metadata
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