Sharad Gaur

Implement aggregation operations

2

Following functions need to be implemented: * [x] group (all values in the resulting vector are 1)~ * [x] stddev (calculate population standard deviation over dimensions) * [x] stdvar (calculate...

Adding support for comment in table/view

2

Adding Table/View Comment Support as per document https://clickhouse.com/docs/en/sql-reference/statements/create/table https://github.com/AfterShip/clickhouse-sql-parser/issues/105 Example: ``` CREATE TABLE IF NOT EXISTS test.events_local ( f0 String, f1 String CODEC(ZSTD(1)), f2 VARCHAR(255), f3 Datetime, f4 Datetime, f5...

The current parser supports comments at the column level, and ClickHouse also enables users to specify comments at the table level, as detailed in the documentation provided at https://clickhouse.com/docs/en/sql-reference/statements/create/table, https://clickhouse.com/docs/en/sql-reference/statements/create/view...