compress-compress文档介绍内容-阿里云

COMPRESS

命令格式 binary compress(string)binary compress(binary)参数说明 str：必填。STRING类型。bin：必填。BINARY类型。返回值说明返回BINARY类型。输入参数为NULL时，返回结果为NULL。使用示例示例1：对字符串 hello 按照GZIP算法进行压缩...

ST_compress

语法 pcpatch ST_compress(pcpatch pc,text global_compression_schema default '',text compression_config default '');参数参数名称描述 pc pcpatch对象。global_compression_schema 压缩框架。compression_config 压缩配置项，指定...

ST_compress

语法 pcpatch ST_compress(pcpatch pc,text global_compression_schema default '',text compression_config default '');参数参数名称描述 pc pcpatch对象。global_compression_schema 压缩框架。compression_config 压缩配置项，指定...

ST_compress

语法 pcpatch ST_compress(pcpatch pc,text global_compression_schema default '',text compression_config default '');参数参数名称描述 pc pcpatch对象。global_compression_schema 压缩框架。compression_config 压缩配置项，指定...

语法 trajectoryST_Compress(trajectorytraj,float8dist);trajectoryST_Compress(trajectorytraj,float8dist,float8angle,float8acceleration);trajectoryST_Compress(trajectorytraj,float8dist,float8angle,float8acceleration,...

ST_Compress

语法 trajectory ST_Compress(trajectory traj,float8 dist);trajectory ST_Compress(trajectory traj,float8 dist,float8 angle,float8 acceleration);trajectory ST_Compress(trajectory traj,float8 dist,float8 angle,float8 ...

ST_Compress

语法 trajectory ST_Compress(trajectory traj,float8 dist);trajectory ST_Compress(trajectory traj,float8 dist,float8 angle,float8 acceleration);trajectory ST_Compress(trajectory traj,float8 dist,float8 angle,float8 ...

ST_Compress

语法 trajectory ST_Compress(trajectory traj,float8 dist);trajectory ST_Compress(trajectory traj,float8 dist,float8 angle,float8 acceleration);trajectory ST_Compress(trajectory traj,float8 dist,float8 angle,float8 ...

使用示例

本文以C Link SDK中的Demo文件./demos/compress_basic_demo.c 为例，介绍如何调用Link SDK的API，帮助您实现设备的数据压缩功能。背景信息数据压缩功能的更多信息，请参见概述。数据压缩基于MQTT接入，开发过程中涉及MQTT接入的代码详细...

摘要索引

摘要索引配置示例"summarys":{"summary_fields":["id","company_id","subject","cat_id"],"compress":false,"parameter":{"compress_type":"uniq|equal","file_compress":"simple_compress1"} } summary_fields配置需要进入summary的...

摘要索引

摘要索引配置示例"summarys":{"summary_fields":["id","company_id","subject","cat_id"],"compress":false,"parameter":{"compress_type":"uniq|equal","file_compress":"simple_compress1"} } summary_fields配置需要进入summary的...

透明页压缩TPC

倒排索引类型

compress":"simple_compress1"} NUMBER索引配置中的index_name，index_type，term_payload_flag，doc_payload_flag，term_frequency_flag,file_compress的含义相同，只是index_type必须为NUMBER，并且index_fields只支持一个字段，并且字段...

倒排索引类型

compress":"simple_compress1"} NUMBER索引配置中的index_name，index_type，term_payload_flag，doc_payload_flag，term_frequency_flag,file_compress的含义相同，只是index_type必须为NUMBER，并且index_fields只支持一个字段，并且字段...

索引结构

name":"fb_boolean","file_compress":"file_compressor"},{"field_name":"fb_datetime","file_compress":"no_compressor"},{"field_name":"fb_string","file_compress":"file_compressor"},{"field_name":"fb_decimal","file_compress":"no...

查询配置

compress_type表示压缩类型，目前支持三种类型，默认取值为no_compress：no_compress,不压缩 default_compress,zlib的Z_DEFAULT_COMPRESSION默认压缩 z_speed_compress,zlib的Z_BEST_SPEED压缩 qrs_return_hits_limit 5000 查询返回文档数 ...

查询配置

compress_type表示压缩类型，目前支持三种类型，默认取值为no_compress：no_compress,不压缩 default_compress,zlib的Z_DEFAULT_COMPRESSION默认压缩 z_speed_compress,zlib的Z_BEST_SPEED压缩 qrs_return_hits_limit 5000 查询返回文档数 ...

运行日志

[1673252441.266][LK-0309]pub:/sys/a1xxxxxxx/compress_test_001/codec/topic/update_reply[LK-030A]|{"code":200,"mes[LK-030A]|sage":"success"} compress update reply code 200,message success 设备上报压缩消息。日志输出是压缩前的...

多路召回实战

name":"doc_id","file_compress":"no_compressor"},{"field_name":"embedding","file_compress":"no_compressor"},{"field_name":"url","file_compress":"no_compressor"},{"field_name":"picture","file_compress":"no_compressor"},{...

数据压缩

如下功能时序图，以设备的应用程序./demos/compress_basic_demo.c 为例，介绍应用程序实现该功能的流程。步骤一：设备初始化创建设备句柄，完成设备建连。static void*demo_device_init(char*product_key,char*device_name,char*device_...

点云压缩

await client.create_compress_point_cloud_task_with_options_async(create_compress_point_cloud_task_request,runtime)except Exception as error:#如有需要，请打印错误信息。UtilClient.assert_as_string(error.message)if_name_='_...

文本向量化检索最佳实践

text","file_compress":"no_compressor"},{"field_name":"cate_id","file_compress":"no_compressor"},{"field_name":"vector","file_compress":"no_compressor"}],"fields":[{"user_defined_param":{},"field_name":"id","field_type":...

ListIndexes-获取索引列表

fields":"id","is_primary_key_sorted":false,"index_name":"id","index_type":"PRIMARYKEY64"}],"attributes":[{"file_compress":"no_compressor","field_name":"id"}],"fields":[{"user_defined_param":{},"compress_type":"uniq","field...

ALIYUN:VPC:SslVpnServer

语法 {"Type":"ALIYUN:VPC:SslVpnServer","Properties":{"Name":String,"Proto":String,"ClientIpPool":String,"Compress":Boolean,"LocalSubnet":String,"Cipher":String,"VpnGatewayId":String,"Port":Integer } } 属性属性名称类型 ...

Web端接入AVIF格式图片说明

示例代码如下所示：<img src="https://image-compress-demo.oss-cn-zhangjiakou.aliyuncs.com/demo.jpg?x-oss-process=image/format,avif"/>不兼容的浏览器如何显示AVIF格式的图片部分浏览器尚不支持AVIF，如果需要兼容多种浏览器，Web端在...

正排索引压缩

配置样例 {."fields":[{"field_name":"category","field_type":"INTEGER","multi_value":true,"compress_type":"uniq|equal"},{"field_name":"price","field_type":"INTEGER","user_defined_param":{"key":"hello"} }].} multi_value：...

正排索引压缩

配置样例 {."fields":[{"field_name":"category","field_type":"INTEGER","multi_value":true,"compress_type":"uniq|equal"},{"field_name":"price","field_type":"INTEGER","user_defined_param":{"key":"hello"} }].} multi_value：...

概述

如下功能时序图，以设备的应用程序./demos/compress_basic_demo.c 为例，介绍应用程序实现该功能的流程。使用示例数据压缩功能的参考示例，请参见使用示例。数据压缩功能的错误码，请参见 aiot_compress_api.h 中的错误码描述。

pull_log_dump

请求语法 aliyunlog log pull_log_dump-project_name=<value>-logstore_name=<value>-from_time=<value>-to_time=<value>-file_path=[-batch_size=][-compress=][-encodings=][-shard_list=][-no_escape=][-access-id=][-access-key=][-sts...

OSS存储

轨迹数据的数据量通常很大，并且在很多场景中...compress":"zstd"数据压缩方式。更多压缩方式，请参见 ST_ExportTo。导出到OSS后，查询的SQL指令和原来相同。但是效率会降低。另外，当需要建立索引时，应当先建立索引，再将数据导出到OSS中。

OSS存储

轨迹数据的数据量通常很大，并且在很多场景中...compress":"zstd"数据压缩方式。更多压缩方式，请参见 ST_ExportTo。导出到OSS后，查询的SQL指令和原来相同。但是效率会降低。另外，当需要建立索引时，应当先建立索引，再将数据导出到OSS中。

OSS存储

轨迹数据的数据量通常很大，并且在很多场景中...compress":"zstd"数据压缩方式。更多压缩方式，请参见 ST_ExportTo。导出到OSS后，查询的SQL指令和原来相同。但是效率会降低。另外，当需要建立索引时，应当先建立索引，再将数据导出到OSS中。

索引表配置

fixed_multi_value_count可以为单值string字段配置定长长度，不支持多值string字段配置 compress_type：指定该字段作为attribute字段存储时的压缩方法，取值可以为uniq|equal任意一个或者组合，默认值为空（不压缩）。多值attribute或者...

索引表配置

fixed_multi_value_count可以为单值string字段配置定长长度，不支持多值string字段配置 compress_type：指定该字段作为attribute字段存储时的压缩方法，取值可以为uniq|equal任意一个或者组合，默认值为空（不压缩）。多值attribute或者...

alicloud_ssl_vpn_servers

vpn_gateway_id-The ID of the VPN gateway instance.id-The ID of the SSL-VPN server.name-The name of the SSL-VPN server.create_time-The time of creation.compress-Whether to compress.cipher-The encryption algorithm used.proto...

索引结构

file_compress":"no_compressor"},{"field_name":"embedding","file_compress":"no_compressor"},{"field_name":"cate_id","file_compress":"file_compressor"}],"fields":[{"user_defined_param":{},"field_name":"pk","field_type":...

自定义分区

tablespace].)]table_compression:COMPRESS|ROW STORE COMPRESS[BASIC|ADVANCED]|COLUMN STORE COMPRESS[FOR { QUERY|ARCHIVE }[LOW|HIGH]][[NO]ROW LEVEL LOCKING]|NOCOMPRESS index_compression:{ prefix_compression|advanced_index_...

数据压缩

nil { log.Fatal(err)} decompressed=decompressed[:bodyRawSize]} Python示例安装依赖库 python3-m pip install lz4 示例代码 from lz4 import block data=b'hello world,hello sls'#压缩 compressed=block.compress(data,store_size=...

ST_CurveRecognize

语法语法一：SETOF trpeak ST_CurveRecognize(trajectory traj,float8 radius_threshold,float8 angle_threshold,float8 angle_compress_threshold default 0);语法二：SETOF trpeak ST_CurveRecognize(trajectory traj,float8 radius_...

ST_CurveRecognize

语法语法一：SETOF trpeak ST_CurveRecognize(trajectory traj,float8 radius_threshold,float8 angle_threshold,float8 angle_compress_threshold default 0);语法二：SETOF trpeak ST_CurveRecognize(trajectory traj,float8 radius_...

compress

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