horaedb
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Apache HoraeDB (incubating) is a high-performance, distributed, cloud native time-series database.
### Describe This Problem A filter procedure according to the query predicates will be applied to the record batch stream from sst before feeding the batches to the merge iterator....
### Describe This Problem Reference to #235: > `Cluster` is responsible to manage `Table`s and `Shard`s while `Catalog` is responsible to manage `Schema`s which is a group of tables in...
### Describe This Problem For default value options, we persist `sqlparser expr` to meta store now. A better way is to save final physical exprs, because we can avoid to...
### Describe This Problem Support default value for columns in Ceresdb. ### Proposal Support default value: * Column default value option can be a normal Expr. * Column can reference...
### Describe this problem For create table test, https://github.com/CeresDB/ceresdb/blob/25557c73adaa6815875aaea3ccd5b61bf54e291f/tests/cases/local/05_ddl/create_tables.sql#L64 it will report error like: ``` Failed to execute query, err: Server(ServerError { code: 500, msg: "Failed to execute interpreter, query:...
### Describe This Problem Now we use `curl` to set the rejection information, when the server restarts, the rejection information will be lost. ``` curl --location --request POST 'http://localhost:5000/reject' \...
### Describe This Problem A rough dependency graph of related structures:  `Cluster` and `CatalogManager` are public, they may be used by `Client` or `CeresMeta` to modify catalog information (create,...
### Describe This Problem Can Ceresdb support default value for columns something like `timestamp = now()` ### Proposal * In Oceanbase, I can record data insert time, like gmt_create =...
### Describe This Problem Support default value for columns in Ceresdb. ### Proposal In #250, we can reference other columns in default value expr. But it only allow to reference...
### Describe This Problem Support default value for columns in Ceresdb. ### Proposal In #249, we want to implement the base feature of `Default value option` for columns. The next...