> ## Documentation Index
> Fetch the complete documentation index at: https://clickhouse.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# format_custom_* 格式设置

> format_custom_* 生成组中的 ClickHouse 格式设置。

export const SettingsInfoBlock = ({type, default_value, changeable_without_restart}) => {
  return <div className="not-prose" style={{
    display: "flex",
    flexWrap: "wrap",
    alignItems: "baseline",
    columnGap: "0.5rem",
    rowGap: "0.125rem",
    margin: "0.375rem 0",
    fontSize: "0.8125rem",
    lineHeight: "1.125rem"
  }}>
      <div style={{
    fontWeight: 600,
    opacity: 0.72
  }}>类型</div>
      <div style={{
    overflowWrap: "anywhere"
  }}>{type}</div>
      <div style={{
    fontWeight: 600,
    opacity: 0.72,
    marginInlineStart: "0.5rem"
  }}>默认值</div>
      <div style={{
    overflowWrap: "anywhere"
  }}>{default_value}</div>
      {changeable_without_restart && <div style={{
    fontWeight: 600,
    opacity: 0.72,
    marginInlineStart: "0.5rem"
  }}>
          无需重启即可更改
        </div>}
      {changeable_without_restart && <div style={{
    overflowWrap: "anywhere"
  }}>
          {changeable_without_restart}
        </div>}
    </div>;
};

这些设置是根据[源代码](https://github.com/ClickHouse/ClickHouse/blob/master/src/Core/FormatFactorySettings.h)自动生成的。

<div id="format_custom_escaping_rule">
  ## format\_custom\_escaping\_rule
</div>

<SettingsInfoBlock type="EscapingRule" default_value="Escaped" />

字段转义规则 (用于 CustomSeparated 格式)

<div id="format_custom_field_delimiter">
  ## format\_custom\_field\_delimiter
</div>

<SettingsInfoBlock type="String" default_value="	" />

字段分隔符 (用于 CustomSeparated 格式)

<div id="format_custom_result_after_delimiter">
  ## format\_custom\_result\_after\_delimiter
</div>

结果集后的后缀 (适用于 CustomSeparated 格式)

<div id="format_custom_result_before_delimiter">
  ## format\_custom\_result\_before\_delimiter
</div>

结果集前缀 (用于 CustomSeparated 格式)

<div id="format_custom_row_after_delimiter">
  ## format\_custom\_row\_after\_delimiter
</div>

<SettingsInfoBlock
  type="String"
  default_value="
"
/>

最后一列字段后的分隔符 (用于 CustomSeparated 格式)

<div id="format_custom_row_before_delimiter">
  ## format\_custom\_row\_before\_delimiter
</div>

第一列字段前的分隔符 (用于 CustomSeparated 格式)

<div id="format_custom_row_between_delimiter">
  ## format\_custom\_row\_between\_delimiter
</div>

用于 CustomSeparated 格式的行间分隔符