columns_* MergeTree table settings

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These settings are available in system.merge_tree_settings and are autogenerated from ClickHouse source.

columns_and_secondary_indices_sizes_lazy_calculation

Type

Bool

Default

1

Version history

Version	Default value	Comment
25.2	1	New setting to calculate columns and indices sizes lazily

Calculate columns and secondary indices sizes lazily on first request instead of on table initialization.

columns_to_prewarm_mark_cache

List of columns to prewarm mark cache for (if enabled). Empty means all columns