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Apache HoraeDB (incubating) is a high-performance, distributed, cloud native time-series database.
# Which issue does this PR close? Closes #158 # Rationale for this change simplify code when parse "comment" # What changes are included in this PR? replace ColumnOption::DialectSpecific with...
### Describe this problem Table' columns order is not what user define when create table ### Steps to reproduce Execute those SQL ```sql CREATE TABLE test_order ( host string tag,...
### Describe This Problem Flush is checked on the write path `preprocess_write()`. That method has three conditions to trigger a flush: `should_flush_instance`, `should_flush_space` and `should_flush_table`. When memory usage reached the...
**Description** We prepare to release `v0.3` at the end of Aug. Here is the feature list: - Release multi-language client. Include [Java](https://github.com/CeresDB/ceresdb-client-java), [Rust](https://github.com/CeresDB/ceresdb-client-rs) and [Python](https://github.com/CeresDB/ceresdb-client-py). - Support static cluster mode....
**Description** For now, there is no way for server to control how long a request will be, although a client can cancel a request at any time, the server thread...
**Describe this problem** Backtrace ``` 2022-03-10 11:42:59.471 ERRO [common_util/src/panic.rs:40] thread 'cse-read' panicked 'called `Result::unwrap()` on an `Err` value: Plan("No field named 'SPM_23134806_INFLUENCE_DEFAULT.period'. Valid fields are 'time_bucket(SPM_23134806_INFLUENCE_DEFAULT.period,Utf8(\"PT1M\"),Utf8(\"yyyy-MM-dd HH:mm:ss\"))', 'alias1'.")' at "/root/.cargo/git/checkouts/arrow-datafusion-78dc86050a92b8a7/9a77541/datafusion/src/optimizer/single_distinct_to_groupby.rs:106"...
**Description** For now, data by default is ordered by `timestamp` column within one SST file(currently in Parquet format), each tag/field being a column. | Timestamp | Device ID | Status...
**Description** ref #104 **Proposal** We may need to support changing table `option:write_mode` from `append` to `overwrite` and `overwrite` to `append` after table created. **Additional context** - Attention to the processing...
**Description** Replace `ColumnOption::DialectSpecific` with `ColumnOption::Comment` to parse sql comment. **Proposal** ref: https://github.com/CeresDB/ceresdb/blob/8d1472a33054ac7f92cc957a30f1a83e6da005f6/sql/src/parser.rs#L476 **Additional context**
**Description** Add support for `aarch64-unknown-linux-gnu` **Proposal** Support build on `aarch64-unknown-linux-gnu ` first. Probably add a new CI job to cover this. Running on this arch is planned but with a...