alter table name modify column col Float64 And it gives the exception: DB::Exception: Cannot read floating point value: Cannot parse Float64 from String There are some empty value '' in that column, which lead to the exception as shown above. I've also tried to use default expersion: a...
Cannot read Iceberg table: positional and equality deletes are not supported #66588 commented on Feb 11, 2025 • 0 new comments Use of toStartOfInterval function for dates before EPOCH #49624 commented on Feb 11, 2025 • 0 new comments Query with multiple JOINs slowdown #75261 ...
Add therows_before_aggregation_at_leaststatistic to the query response when a new setting,rows_before_aggregationis enabled. This statistic represents the number of rows read before aggregation. In the context of a distributed query, when using thegroup byormaxaggregation function without alimit,row...
FixedAttempt to read after eoferror when trying toCASTNULLfromNullable(String)toNullable(Decimal(P, S)). Now functionCASTreturnsNULLwhen it cannot parse decimal from nullable string. Fixes#7690.#18718(Winter Zhang). Fix minor issue with logging.#18717(sundyli). ...
There is a separate case when tuples appear in theINclause of aSELECTquery. Query results can include tuples, but tuples cannot be saved to a database (except for tables using theMemoryengine). NULL NULLis used to indicate that a value is missing. To storeNULLin a table field, it...
If a column definition includes no explicitDEFAULT value, MySQL determines the default value as described inSection 11.6, “Data Type Default Values”. BLOB andTEXT columns cannot be assigned a default value. ...
01554_row_number_after_cannot_read_all_data OK 2.49 01555_or_fill OK 0.89 01555_system_distribution_queue_mask OK 1.18 01556_explain_select_with_union_query OK 2.03 01557_max_parallel_replicas_no_sample OK 3.16 01558_ttest OK 1.73 01559_aggregate_null_for_empty...
02797_read_subcolumns_from_files OK 6.82 02798_generic_transform OK 0.88 02800_transform_alter OK 1.46 02801_transform_nullable OK 1.34 02802_clickhouse_disks_s3_copy OK 5.43 02806_cte_block_cannot_be_empty OK 0.93 02807_math_unary_crash OK 0.93 02809_has_subsequ...
These projects are written in Ruby and Julia, so we cannot use them directly. But we can implement something similar in C++ and make it implemented as an output format. Maybe you can find a library in Rust that we are also allowed to use (Rust - an obscure programming language for termi...
storage_key_value 01504_rocksdb 02375_rocksdb_with_filters Fix rocksdb with analyzer. #56391 transactions 01173_transaction_control_queries 02345_implicit_transaction @kitaisreal optimize_using_constraints 01624_soft_constraints Hypothesis index in new analyzer #48381 read_in_order 00940_order_by_read...