ygf11
ygf11
when I create table with `not null` or `default column value` , server reports error: 1. sql: `CREATE TABLE person( `person_id` UInt64, `nick_name` String DEFAULT '123') ENGINE = BaseStorage PARTITION...
# Which issue does this PR close? Closes #162 # Rationale for this change `Pre-code` maybe more elegant and fast than `dynamic dispatch`. # What changes are included in this...
**Description** After #159, we pass `dyn Payload` to write method of `WalManager`, this may has performance issue. It is better to decouple encoder from write method. **Proposal** We can define...
**Description** The usage of `RocksLogIterator`: 1. seek or next 2. visit key and value The usage of `ScanIter`: 1. visit key and value 2. next It is ok in main...
### 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 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...
**Describe the bug** Datafusion can't execute non-correlated subquery now, like in/exists. So these queries should return `NotImplemented("Physical plan does not support logical expression In/Exists` error. But currently the filter will...