diff --git a/docs/zh/operations/system-tables/merge_tree_settings.md b/docs/zh/operations/system-tables/merge_tree_settings.md index a6ad6f78f8e..5e3ae6b845c 100644 --- a/docs/zh/operations/system-tables/merge_tree_settings.md +++ b/docs/zh/operations/system-tables/merge_tree_settings.md @@ -1,16 +1,55 @@ ---- -machine_translated: true -machine_translated_rev: 5decc73b5dc60054f19087d3690c4eb99446a6c3 ---- +# merge_tree_settings 系统表 {#system-merge_tree_settings} -# 系统。merge_tree_settings {#system-merge_tree_settings} - -包含有关以下设置的信息 `MergeTree` 桌子 +包含 `MergeTree` 表的配置信息。 列: -- `name` (String) — Setting name. -- `value` (String) — Setting value. -- `description` (String) — Setting description. -- `type` (String) — Setting type (implementation specific string value). -- `changed` (UInt8) — Whether the setting was explicitly defined in the config or explicitly changed. +- `name` (String) — 配置名称. +- `value` (String) — 配置的值. +- `description` (String) — 配置描述. +- `type` (String) — 配置类型 (执行特定的字符串值). +- `changed` (UInt8) — 该设置是否在配置中明确定义或明确改变. + + +**示例** +```sql +:) SELECT * FROM system.merge_tree_settings LIMIT 4 FORMAT Vertical; +``` + +```text +Row 1: +────── +name: index_granularity +value: 8192 +changed: 0 +description: How many rows correspond to one primary key value. +type: SettingUInt64 + +Row 2: +────── +name: min_bytes_for_wide_part +value: 0 +changed: 0 +description: Minimal uncompressed size in bytes to create part in wide format instead of compact +type: SettingUInt64 + +Row 3: +────── +name: min_rows_for_wide_part +value: 0 +changed: 0 +description: Minimal number of rows to create part in wide format instead of compact +type: SettingUInt64 + +Row 4: +────── +name: merge_max_block_size +value: 8192 +changed: 0 +description: How many rows in blocks should be formed for merge operations. +type: SettingUInt64 + +4 rows in set. Elapsed: 0.001 sec. +``` + +[原文](https://clickhouse.com/docs/zh/operations/system-tables/merge_tree_settings)