fix some uncorrect links
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@ -730,7 +730,7 @@ DROP SCHEMA hive.web
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* **For AARCH64:**
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- Use [vacuum operation unify](../vacuum.md) to merge the multiple files created by many file writes in each partition such that scheduling splits becomes faster during read.
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- Use [vacuum operation unify](../sql/vacuum.md) to merge the multiple files created by many file writes in each partition such that scheduling splits becomes faster during read.
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```sql
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VACUUM TABLE catalog_sales FULL UNIFY;
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@ -208,7 +208,7 @@ Network Address
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### `IPADDRESS`
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> An IP address that can represent either an IPv4 or IPv6 address. Internally, the type is a pure IPv6 address. Support for IPv4 is handled using the *IPv4-mapped IPv6 address* range ([RFC 4291#section-2.5.5.2](https://tools.ietf.org/html/rfc4291.html#section-2.5.5.2)). When creating an `IPADDRESS`, IPv4 addresses will be mapped into that range. When formatting an `IPADDRESS`, any address within the mapped range will be formatted as an IPv4 address. Other addresses will be formatted as IPv6 using the canonical format defined in [RFC 5929](https://tools.ietf.org/html/rfc5952.html ).
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> An IP address that can represent either an IPv4 or IPv6 address. Internally, the type is a pure IPv6 address. Support for IPv4 is handled using the *IPv4-mapped IPv6 address* range ([RFC 4291#section-2.5.5.2](https://tools.ietf.org/html/rfc4291.html#section-2.5.5.2)). When creating an `IPADDRESS`, IPv4 addresses will be mapped into that range. When formatting an `IPADDRESS`, any address within the mapped range will be formatted as an IPv4 address. Other addresses will be formatted as IPv6 using the canonical format defined in [RFC 5952](https://tools.ietf.org/html/rfc5952.html ).
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>
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> Examples: `IPADDRESS '10.0.0.1'`, `IPADDRESS '2001:db8::1'`
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@ -670,7 +670,7 @@ DROP SCHEMA hive.web
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* **对于AArch64:**
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- 使用[vacuum操作unify](../vacuum.md)合并每个分区中由多个文件写入创建的多个文件,这样在读取期间调度拆分会更快。
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- 使用[vacuum操作unify](../sql/vacuum.md)合并每个分区中由多个文件写入创建的多个文件,这样在读取期间调度拆分会更快。
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```sql
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VACUUM TABLE catalog_sales FULL UNIFY;
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@ -205,7 +205,7 @@ openLooKeng有一组内置的数据类型,如下所述。可能通过插件提
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### `IPADDRESS`
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> 可表示IPv4地址或IPv6地址。对内为纯IPv6地址。可通过*IPv4-mapped IPv6 address* range ([RFC 4291#section-2.5.5.2](https://tools.ietf.org/html/rfc4291.md#section-2.5.5.2 ))来支持对IPv4地址的处理。在创建`IPADDRESS`时,IPv4地址将映射到指定的范围。格式化`IPADDRESS`时,在映射范围内的任何地址都会被格式化为IPv4地址。其他地址将使用[RFC 5929](https://tools.ietf.org/html/rfc5952.md)中定义的规范格式格式化为IPv6地址。
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> 可表示IPv4地址或IPv6地址。对内为纯IPv6地址。可通过*IPv4-mapped IPv6 address* range ([RFC 4291#section-2.5.5.2](https://tools.ietf.org/html/rfc4291.html#section-2.5.5.2 ))来支持对IPv4地址的处理。在创建`IPADDRESS`时,IPv4地址将映射到指定的范围。格式化`IPADDRESS`时,在映射范围内的任何地址都会被格式化为IPv4地址。其他地址将使用[RFC 5952](https://tools.ietf.org/html/rfc5952.html) 中定义的规范格式格式化为IPv6地址。
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>
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> 例如: `IPADDRESS '10.0.0.1'`, `IPADDRESS '2001:db8::1'`
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@ -214,14 +214,14 @@ UUID
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### `UUID`
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> 此类型表示UUID(通用唯一标识符),也称为GUID(全局唯一标识符),使用[RFC 4122](https://tools.ietf.org/html/rfc4122.md)中定义的格式。
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> 此类型表示UUID(通用唯一标识符),也称为GUID(全局唯一标识符),使用[RFC 4122](https://tools.ietf.org/html/rfc4122.html) 中定义的格式。
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>
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> 例如: `UUID '12151fd2-7586-11e9-8f9e-2a86e4085a59'`
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HyperLogLog
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-----------
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计算近似的非重复计数比使用[HyperLogLog](https://en.wikipedia.org/wiki/HyperLogLogLog)数据草图进行精确计数成本低得多。
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计算近似的非重复计数比使用[HyperLogLog](https://en.wikipedia.org/wiki/HyperLogLog) 数据草图进行精确计数成本低得多。
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请参见 [HyperLogLog 函数](../functions/hyperloglog.md)。
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### `HyperLogLog`
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