- Release Notes and Announcements
- Product Introduction
- Purchase Guide
- Getting Started
- Console Guide
- Console Overview
- Bucket Management
- Bucket Overview
- Creating Bucket
- Deleting Buckets
- Querying Bucket
- Clearing Bucket
- Setting Access Permission
- Setting Bucket Encryption
- Setting Hotlink Protection
- Setting Origin-Pull
- Setting Cross-Origin Resource Sharing (CORS)
- Setting Versioning
- Setting Static Website
- Setting Lifecycle
- Setting Logging
- Accessing Bucket List Using Sub-Account
- Adding Bucket Policies
- Setting Log Analysis
- Setting INTELLIGENT TIERING
- Setting Inventory
- Domain Name Management
- Setting Bucket Tags
- Setting Cross-Bucket Replication
- Enabling Global Acceleration
- Setting Object Lock
- Object Management
- Uploading an Object
- Downloading Objects
- Copying Object
- Previewing or Editing Object
- Viewing Object Information
- Searching for Objects
- Sorting and Filtering Objects
- Direct Upload to ARCHIVE
- Modifying Storage Class
- Deleting Incomplete Multipart Uploads
- Setting Object Access Permission
- Setting Object Encryption
- Custom Headers
- Deleting Objects
- Restoring Archived Objects
- Folder Management
- Data Extraction
- Setting Object Tag
- Exporting Object URLs
- Restoring Historical Object Version
- Batch Operation
- Monitoring Reports
- Data Processing
- Content Moderation
- Smart Toolbox User Guide
- Data Processing Workflow
- Application Integration
- User Tools
- Tool Overview
- Installation and Configuration of Environment
- COSBrowser
- COSCLI (Beta)
- COSCLI Overview
- Download and Installation Configuration
- Common Options
- Common Commands
- Generating and Modifying Configuration Files - config
- Creating Buckets - mb
- Deleting Buckets - rb
- Tagging Bucket - bucket-tagging
- Querying Bucket/Object List - ls
- Obtaining Statistics on Different Types of Objects - du
- Uploading/Downloading/Copying Objects - cp
- Syncing Upload/Download/Copy - sync
- Deleting Objects - rm
- Getting File Hash Value - hash
- Listing Incomplete Multipart Uploads - lsparts
- Clearing Incomplete Multipart Uploads - abort
- Retrieving Archived Files - restore
- Getting Pre-signed URL - signurl
- FAQs
- COSCMD
- COS Migration
- FTP Server
- COSFS
- Hadoop
- COSDistCp
- Hadoop-cos-DistChecker
- HDFS TO COS
- Online Auxiliary Tools
- Diagnostic Tool
- Best Practices
- Overview
- Access Control and Permission Management
- ACL Practices
- CAM Practices
- Granting Sub-Accounts Access to COS
- Authorization Cases
- Working with COS API Authorization Policies
- Security Guidelines for Using Temporary Credentials for Direct Upload from Frontend to COS
- Generating and Using Temporary Keys
- Authorizing Sub-Account to Get Buckets by Tag
- Descriptions and Use Cases of Condition Keys
- Granting Bucket Permissions to a Sub-Account that is Under Another Root Account
- Performance Optimization
- Data Migration
- Accessing COS with AWS S3 SDK
- Data Disaster Recovery and Backup
- Image Processing
- Media Processing
- Workflow
- Direct Data Upload
- Domain Name Management Practice
- Content Moderation
- Data Security
- Data Verification
- Big Data Practice
- Using COS in the Third-party Applications
- Use the general configuration of COS in third-party applications compatible with S3
- Storing Remote WordPress Attachments to COS
- Storing Ghost Attachment to COS
- Backing up Files from PC to COS
- Using Nextcloud and COS to Build Personal Online File Storage Service
- Mounting COS to Windows Server as Local Drive
- Backing Up Oracle Databases to COS with RMAN
- Setting up Image Hosting Service with PicGo, Typora, and COS
- Managing COS Resource with CloudBerry Explorer
- Using APIs to Zip Files
- Using APIs to Merge Files
- Developer Guide
- Creating Request
- Bucket
- Object
- Data Management
- Data Disaster Recovery
- Data Security
- Cloud Access Management
- Batch Operation
- Global Acceleration
- Data Processing
- Content Moderation Overview
- Data Workflow
- Monitoring and Alarms
- Data Lake Storage
- Cloud Native Datalake Storage
- Metadata Accelerator
- Metadata Acceleration Overview
- Migrating HDFS Data to Metadata Acceleration-Enabled Bucket
- Using HDFS to Access Metadata Acceleration-Enabled Bucket
- Mounting a COS Bucket in a Computing Cluster
- Accessing COS over HDFS in CDH Cluster
- Using Hadoop FileSystem API Code to Access COS Metadata Acceleration Bucket
- Using DataX to Sync Data Between Buckets with Metadata Acceleration Enabled
- Big Data Security
- GooseFS
- Overview
- Change Records
- Getting Started
- Key Features
- Deployment Guide
- OPS Guide
- Data Security
- GooseFS on TKE Cloud Native Practices
- Quick Start
- Using GooseFS as Fluid Dataset Runtime
- Multi-Master Node Deployment
- Multiple-Master Affinity Scheduling
- Accelerating Data in COS
- Global Client Deployment
- Using Parameters for Encryption
- Manual Scaling
- Data Caching and Metadata Caching
- Data Affinity Scheduling
- Data Scheduling Based on Tolerations and Taints
- Data Preloading
- Deploying Multiple Datasets on the Same Cluster via Placement
- Troubleshooting
- API Documentation
- Introduction
- Common Request Headers
- Common Response Headers
- Error Codes
- Request Signature
- Action List
- Service APIs
- Bucket APIs
- Basic Operations
- Access Control List (acl)
- Cross-Origin Resource Sharing (cors)
- Lifecycle
- Bucket Policy (policy)
- Hotlink Protection (referer)
- Tag (tagging)
- Static Website (website)
- Intelligent Tiering
- Bucket inventory(inventory)
- Versioning
- Cross-Bucket Replication（replication）
- Log Management(logging)
- Global Acceleration (Accelerate)
- Bucket Encryption (encryption)
- Custom Domain Name (Domain)
- Object Lock (ObjectLock)
- Origin-Pull (Origin)
- Object APIs
- Batch Operation APIs
- Data Processing APIs
- Image Processing
- Basic Image Processing
- Scaling
- Cropping
- Rotation
- Converting Format
- Quality Change
- Gaussian Blurring
- Adjusting Brightness
- Adjusting Contrast
- Sharpening
- Grayscale Image
- Image Watermark
- Text Watermark
- Obtaining Basic Image Information
- Getting Image EXIF
- Obtaining Image’s Average Hue
- Metadata Removal
- Quick Thumbnail Template
- Limiting Output Image Size
- Pipeline Operators
- Image Advanced Compression
- Persistent Image Processing
- Image Compression
- Blind Watermark
- Basic Image Processing
- AI-Based Content Recognition
- Media Processing
- File Processing
- File Processing
- Image Processing
- Job and Workflow
- Common Request Headers
- Common Response Headers
- Error Codes
- Workflow APIs
- Workflow Instance
- Job APIs
- Media Processing
- Canceling Media Processing Job
- Querying Media Processing Job
- Media Processing Job Callback
- Video-to-Animated Image Conversion
- Audio/Video Splicing
- Adding Digital Watermark
- Extracting Digital Watermark
- Getting Media Information
- Noise Cancellation
- Video Quality Scoring
- SDRtoHDR
- Remuxing (Audio/Video Segmentation)
- Intelligent Thumbnail
- Frame Capturing
- Stream Separation
- Super Resolution
- Audio/Video Transcoding
- Text to Speech
- Video Montage
- Video Enhancement
- Video Tagging
- Voice/Sound Separation
- Image Processing
- Multi-Job Processing
- AI-Based Content Recognition
- Sync Media Processing
- Media Processing
- Template APIs
- Media Processing
- Creating Media Processing Template
- Creating Animated Image Template
- Creating Splicing Template
- Creating Top Speed Codec Transcoding Template
- Creating Screenshot Template
- Creating Super Resolution Template
- Creating Audio/Video Transcoding Template
- Creating Professional Transcoding Template
- Creating Text-to-Speech Template
- Creating Video Montage Template
- Creating Video Enhancement Template
- Creating Voice/Sound Separation Template
- Creating Watermark Template
- Creating Intelligent Thumbnail Template
- Deleting Media Processing Template
- Querying Media Processing Template
- Updating Media Processing Template
- Updating Animated Image Template
- Updating Splicing Template
- Updating Top Speed Codec Transcoding Template
- Updating Screenshot Template
- Updating Super Resolution Template
- Updating Audio/Video Transcoding Template
- Updating Professional Transcoding Template
- Updating Text-to-Speech Template
- Updating Video Montage Template
- Updating Video Enhancement Template
- Updating Voice/Sound Separation Template
- Updating Watermark Template
- Updating Intelligent Thumbnail Template
- Creating Media Processing Template
- AI-Based Content Recognition
- Media Processing
- Batch Job APIs
- Callback Content
- Appendix
- Submitting Virus Detection Job
- SDK Documentation
- SDK Overview
- Preparations
- Android SDK
- Getting Started
- Android SDK FAQs
- Quick Experience
- Bucket Operations
- Object Operations
- Uploading an Object
- Downloading Objects
- Copying and Moving Objects
- Listing Objects
- Deleting Objects
- Restoring Archived Objects
- Querying Object Metadata
- Generating Pre-Signed URLs
- Configuring Preflight Requests for Cross-origin Access
- Server-Side Encryption
- Single-Connection Bandwidth Limit
- Extracting Object Content
- Remote Disaster Recovery
- Data Management
- Cloud Access Management
- Data Verification
- Image Processing
- Setting Custom Headers
- Setting Access Domain Names (CDN/Global Acceleration)
- Troubleshooting
- C SDK
- C++ SDK
- .NET(C#) SDK
- Getting Started
- .NET (C#) SDK
- Bucket Operations
- Object Operations
- Uploading Objects
- Downloading Objects
- Copying and Moving Objects
- Listing Objects
- Deleting Objects
- Checking Whether Objects Exist
- Restoring Archived Objects
- Querying Object Metadata
- Object Access URL
- Getting Pre-Signed URLs
- Configuring Preflight Requests for Cross-Origin Access
- Server-Side Encryption
- Single-URL Speed Limits
- Extracting Object Content
- Cross-Region Disaster Recovery
- Data Management
- Cloud Access Management
- Image Processing
- Content Moderation
- Setting Custom Headers
- Setting Access Domain Names (CDN/Global Acceleration)
- Troubleshooting
- Backward Compatibility
- SDK for Flutter
- Go SDK
- iOS SDK
- Getting Started
- iOS SDK
- Quick Experience
- Bucket Operations
- Object Operations
- Uploading Objects
- Downloading Objects
- Listing Objects
- Copying and Moving Objects
- Extracting Object Content
- Checking Whether an Object Exists
- Deleting Objects
- Restoring Archived Objects
- Querying Object Metadata
- Server-Side Encryption
- Object Access URL
- Generating Pre-Signed URL
- Configuring CORS Preflight Requests
- Cross-region Disaster Recovery
- Data Management
- Cloud Access Management
- Image Processing
- Content Recognition
- Setting Custom Headers
- Setting Access Domain Names (CDN/Global Acceleration)
- Troubleshooting
- Java SDK
- Getting Started
- FAQs
- Bucket Operations
- Object Operations
- Uploading Object
- Downloading Objects
- Copying and Moving Objects
- Listing Objects
- Deleting Objects
- Checking Whether Objects Exist
- Querying Object Metadata
- Modifying Object Metadata
- Object Access URL
- Generating Pre-Signed URLs
- Restoring Archived Objects
- Server-Side Encryption
- Client-Side Encryption
- Single-URL Speed Limits
- Extracting Object Content
- Uploading/Downloading Object at Custom Domain Name
- Data Management
- Cross-Region Disaster Recovery
- Cloud Access Management
- Image Processing
- Content Moderation
- File Processing
- Media Processing
- AI-Based Content Recognition
- Troubleshooting
- Setting Access Domain Names (CDN/Global Acceleration)
- JavaScript SDK
- Node.js SDK
- PHP SDK
- Python SDK
- Getting Started
- Python SDK FAQs
- Bucket Operations
- Object Operations
- Uploading Objects
- Downloading Objects
- Copying and Moving Objects
- Listing Objects
- Deleting Objects
- Checking Whether Objects Exist
- Querying Object Metadata
- Modifying Object Metadata
- Object Access URL
- Getting Pre-Signed URLs
- Restoring Archived Objects
- Extracting Object Content
- Server-Side Encryption
- Client-Side Encryption
- Single-URL Speed Limits
- Cross-Region Disaster Recovery
- Data Management
- Cloud Access Management
- Content Recognition
- Setting Access Domain Names (CDN/Global Acceleration)
- Troubleshooting
- Image Processing
- React Native SDK
- Mini Program SDK
- Getting Started
- FAQs
- Bucket Operations
- Object Operations
- Uploading an Object
- Downloading Objects
- Listing Objects
- Deleting Objects
- Copying and Moving Objects
- Restoring Archived Objects
- Querying Object Metadata
- Checking Whether an Object Exists
- Object Access URL
- Generating Pre-Signed URL
- Configuring CORS Preflight Requests
- Single-URL Speed Limits
- Server-Side Encryption
- Remote disaster-tolerant
- Data Management
- Cloud Access Management
- Data Verification
- Content Moderation
- Setting Access Domain Names (CDN/Global Acceleration)
- Image Processing
- Troubleshooting
- Error Codes
- FAQs
- COS Service Level Agreement
- COS Policy
- Appendices
- Glossary
- Release Notes and Announcements
- Product Introduction
- Purchase Guide
- Getting Started
- Console Guide
- Console Overview
- Bucket Management
- Bucket Overview
- Creating Bucket
- Deleting Buckets
- Querying Bucket
- Clearing Bucket
- Setting Access Permission
- Setting Bucket Encryption
- Setting Hotlink Protection
- Setting Origin-Pull
- Setting Cross-Origin Resource Sharing (CORS)
- Setting Versioning
- Setting Static Website
- Setting Lifecycle
- Setting Logging
- Accessing Bucket List Using Sub-Account
- Adding Bucket Policies
- Setting Log Analysis
- Setting INTELLIGENT TIERING
- Setting Inventory
- Domain Name Management
- Setting Bucket Tags
- Setting Cross-Bucket Replication
- Enabling Global Acceleration
- Setting Object Lock
- Object Management
- Uploading an Object
- Downloading Objects
- Copying Object
- Previewing or Editing Object
- Viewing Object Information
- Searching for Objects
- Sorting and Filtering Objects
- Direct Upload to ARCHIVE
- Modifying Storage Class
- Deleting Incomplete Multipart Uploads
- Setting Object Access Permission
- Setting Object Encryption
- Custom Headers
- Deleting Objects
- Restoring Archived Objects
- Folder Management
- Data Extraction
- Setting Object Tag
- Exporting Object URLs
- Restoring Historical Object Version
- Batch Operation
- Monitoring Reports
- Data Processing
- Content Moderation
- Smart Toolbox User Guide
- Data Processing Workflow
- Application Integration
- User Tools
- Tool Overview
- Installation and Configuration of Environment
- COSBrowser
- COSCLI (Beta)
- COSCLI Overview
- Download and Installation Configuration
- Common Options
- Common Commands
- Generating and Modifying Configuration Files - config
- Creating Buckets - mb
- Deleting Buckets - rb
- Tagging Bucket - bucket-tagging
- Querying Bucket/Object List - ls
- Obtaining Statistics on Different Types of Objects - du
- Uploading/Downloading/Copying Objects - cp
- Syncing Upload/Download/Copy - sync
- Deleting Objects - rm
- Getting File Hash Value - hash
- Listing Incomplete Multipart Uploads - lsparts
- Clearing Incomplete Multipart Uploads - abort
- Retrieving Archived Files - restore
- Getting Pre-signed URL - signurl
- FAQs
- COSCMD
- COS Migration
- FTP Server
- COSFS
- Hadoop
- COSDistCp
- Hadoop-cos-DistChecker
- HDFS TO COS
- Online Auxiliary Tools
- Diagnostic Tool
- Best Practices
- Overview
- Access Control and Permission Management
- ACL Practices
- CAM Practices
- Granting Sub-Accounts Access to COS
- Authorization Cases
- Working with COS API Authorization Policies
- Security Guidelines for Using Temporary Credentials for Direct Upload from Frontend to COS
- Generating and Using Temporary Keys
- Authorizing Sub-Account to Get Buckets by Tag
- Descriptions and Use Cases of Condition Keys
- Granting Bucket Permissions to a Sub-Account that is Under Another Root Account
- Performance Optimization
- Data Migration
- Accessing COS with AWS S3 SDK
- Data Disaster Recovery and Backup
- Image Processing
- Media Processing
- Workflow
- Direct Data Upload
- Domain Name Management Practice
- Content Moderation
- Data Security
- Data Verification
- Big Data Practice
- Using COS in the Third-party Applications
- Use the general configuration of COS in third-party applications compatible with S3
- Storing Remote WordPress Attachments to COS
- Storing Ghost Attachment to COS
- Backing up Files from PC to COS
- Using Nextcloud and COS to Build Personal Online File Storage Service
- Mounting COS to Windows Server as Local Drive
- Backing Up Oracle Databases to COS with RMAN
- Setting up Image Hosting Service with PicGo, Typora, and COS
- Managing COS Resource with CloudBerry Explorer
- Using APIs to Zip Files
- Using APIs to Merge Files
- Developer Guide
- Creating Request
- Bucket
- Object
- Data Management
- Data Disaster Recovery
- Data Security
- Cloud Access Management
- Batch Operation
- Global Acceleration
- Data Processing
- Content Moderation Overview
- Data Workflow
- Monitoring and Alarms
- Data Lake Storage
- Cloud Native Datalake Storage
- Metadata Accelerator
- Metadata Acceleration Overview
- Migrating HDFS Data to Metadata Acceleration-Enabled Bucket
- Using HDFS to Access Metadata Acceleration-Enabled Bucket
- Mounting a COS Bucket in a Computing Cluster
- Accessing COS over HDFS in CDH Cluster
- Using Hadoop FileSystem API Code to Access COS Metadata Acceleration Bucket
- Using DataX to Sync Data Between Buckets with Metadata Acceleration Enabled
- Big Data Security
- GooseFS
- Overview
- Change Records
- Getting Started
- Key Features
- Deployment Guide
- OPS Guide
- Data Security
- GooseFS on TKE Cloud Native Practices
- Quick Start
- Using GooseFS as Fluid Dataset Runtime
- Multi-Master Node Deployment
- Multiple-Master Affinity Scheduling
- Accelerating Data in COS
- Global Client Deployment
- Using Parameters for Encryption
- Manual Scaling
- Data Caching and Metadata Caching
- Data Affinity Scheduling
- Data Scheduling Based on Tolerations and Taints
- Data Preloading
- Deploying Multiple Datasets on the Same Cluster via Placement
- Troubleshooting
- API Documentation
- Introduction
- Common Request Headers
- Common Response Headers
- Error Codes
- Request Signature
- Action List
- Service APIs
- Bucket APIs
- Basic Operations
- Access Control List (acl)
- Cross-Origin Resource Sharing (cors)
- Lifecycle
- Bucket Policy (policy)
- Hotlink Protection (referer)
- Tag (tagging)
- Static Website (website)
- Intelligent Tiering
- Bucket inventory(inventory)
- Versioning
- Cross-Bucket Replication（replication）
- Log Management(logging)
- Global Acceleration (Accelerate)
- Bucket Encryption (encryption)
- Custom Domain Name (Domain)
- Object Lock (ObjectLock)
- Origin-Pull (Origin)
- Object APIs
- Batch Operation APIs
- Data Processing APIs
- Image Processing
- Basic Image Processing
- Scaling
- Cropping
- Rotation
- Converting Format
- Quality Change
- Gaussian Blurring
- Adjusting Brightness
- Adjusting Contrast
- Sharpening
- Grayscale Image
- Image Watermark
- Text Watermark
- Obtaining Basic Image Information
- Getting Image EXIF
- Obtaining Image’s Average Hue
- Metadata Removal
- Quick Thumbnail Template
- Limiting Output Image Size
- Pipeline Operators
- Image Advanced Compression
- Persistent Image Processing
- Image Compression
- Blind Watermark
- Basic Image Processing
- AI-Based Content Recognition
- Media Processing
- File Processing
- File Processing
- Image Processing
- Job and Workflow
- Common Request Headers
- Common Response Headers
- Error Codes
- Workflow APIs
- Workflow Instance
- Job APIs
- Media Processing
- Canceling Media Processing Job
- Querying Media Processing Job
- Media Processing Job Callback
- Video-to-Animated Image Conversion
- Audio/Video Splicing
- Adding Digital Watermark
- Extracting Digital Watermark
- Getting Media Information
- Noise Cancellation
- Video Quality Scoring
- SDRtoHDR
- Remuxing (Audio/Video Segmentation)
- Intelligent Thumbnail
- Frame Capturing
- Stream Separation
- Super Resolution
- Audio/Video Transcoding
- Text to Speech
- Video Montage
- Video Enhancement
- Video Tagging
- Voice/Sound Separation
- Image Processing
- Multi-Job Processing
- AI-Based Content Recognition
- Sync Media Processing
- Media Processing
- Template APIs
- Media Processing
- Creating Media Processing Template
- Creating Animated Image Template
- Creating Splicing Template
- Creating Top Speed Codec Transcoding Template
- Creating Screenshot Template
- Creating Super Resolution Template
- Creating Audio/Video Transcoding Template
- Creating Professional Transcoding Template
- Creating Text-to-Speech Template
- Creating Video Montage Template
- Creating Video Enhancement Template
- Creating Voice/Sound Separation Template
- Creating Watermark Template
- Creating Intelligent Thumbnail Template
- Deleting Media Processing Template
- Querying Media Processing Template
- Updating Media Processing Template
- Updating Animated Image Template
- Updating Splicing Template
- Updating Top Speed Codec Transcoding Template
- Updating Screenshot Template
- Updating Super Resolution Template
- Updating Audio/Video Transcoding Template
- Updating Professional Transcoding Template
- Updating Text-to-Speech Template
- Updating Video Montage Template
- Updating Video Enhancement Template
- Updating Voice/Sound Separation Template
- Updating Watermark Template
- Updating Intelligent Thumbnail Template
- Creating Media Processing Template
- AI-Based Content Recognition
- Media Processing
- Batch Job APIs
- Callback Content
- Appendix
- Submitting Virus Detection Job
- SDK Documentation
- SDK Overview
- Preparations
- Android SDK
- Getting Started
- Android SDK FAQs
- Quick Experience
- Bucket Operations
- Object Operations
- Uploading an Object
- Downloading Objects
- Copying and Moving Objects
- Listing Objects
- Deleting Objects
- Restoring Archived Objects
- Querying Object Metadata
- Generating Pre-Signed URLs
- Configuring Preflight Requests for Cross-origin Access
- Server-Side Encryption
- Single-Connection Bandwidth Limit
- Extracting Object Content
- Remote Disaster Recovery
- Data Management
- Cloud Access Management
- Data Verification
- Image Processing
- Setting Custom Headers
- Setting Access Domain Names (CDN/Global Acceleration)
- Troubleshooting
- C SDK
- C++ SDK
- .NET(C#) SDK
- Getting Started
- .NET (C#) SDK
- Bucket Operations
- Object Operations
- Uploading Objects
- Downloading Objects
- Copying and Moving Objects
- Listing Objects
- Deleting Objects
- Checking Whether Objects Exist
- Restoring Archived Objects
- Querying Object Metadata
- Object Access URL
- Getting Pre-Signed URLs
- Configuring Preflight Requests for Cross-Origin Access
- Server-Side Encryption
- Single-URL Speed Limits
- Extracting Object Content
- Cross-Region Disaster Recovery
- Data Management
- Cloud Access Management
- Image Processing
- Content Moderation
- Setting Custom Headers
- Setting Access Domain Names (CDN/Global Acceleration)
- Troubleshooting
- Backward Compatibility
- SDK for Flutter
- Go SDK
- iOS SDK
- Getting Started
- iOS SDK
- Quick Experience
- Bucket Operations
- Object Operations
- Uploading Objects
- Downloading Objects
- Listing Objects
- Copying and Moving Objects
- Extracting Object Content
- Checking Whether an Object Exists
- Deleting Objects
- Restoring Archived Objects
- Querying Object Metadata
- Server-Side Encryption
- Object Access URL
- Generating Pre-Signed URL
- Configuring CORS Preflight Requests
- Cross-region Disaster Recovery
- Data Management
- Cloud Access Management
- Image Processing
- Content Recognition
- Setting Custom Headers
- Setting Access Domain Names (CDN/Global Acceleration)
- Troubleshooting
- Java SDK
- Getting Started
- FAQs
- Bucket Operations
- Object Operations
- Uploading Object
- Downloading Objects
- Copying and Moving Objects
- Listing Objects
- Deleting Objects
- Checking Whether Objects Exist
- Querying Object Metadata
- Modifying Object Metadata
- Object Access URL
- Generating Pre-Signed URLs
- Restoring Archived Objects
- Server-Side Encryption
- Client-Side Encryption
- Single-URL Speed Limits
- Extracting Object Content
- Uploading/Downloading Object at Custom Domain Name
- Data Management
- Cross-Region Disaster Recovery
- Cloud Access Management
- Image Processing
- Content Moderation
- File Processing
- Media Processing
- AI-Based Content Recognition
- Troubleshooting
- Setting Access Domain Names (CDN/Global Acceleration)
- JavaScript SDK
- Node.js SDK
- PHP SDK
- Python SDK
- Getting Started
- Python SDK FAQs
- Bucket Operations
- Object Operations
- Uploading Objects
- Downloading Objects
- Copying and Moving Objects
- Listing Objects
- Deleting Objects
- Checking Whether Objects Exist
- Querying Object Metadata
- Modifying Object Metadata
- Object Access URL
- Getting Pre-Signed URLs
- Restoring Archived Objects
- Extracting Object Content
- Server-Side Encryption
- Client-Side Encryption
- Single-URL Speed Limits
- Cross-Region Disaster Recovery
- Data Management
- Cloud Access Management
- Content Recognition
- Setting Access Domain Names (CDN/Global Acceleration)
- Troubleshooting
- Image Processing
- React Native SDK
- Mini Program SDK
- Getting Started
- FAQs
- Bucket Operations
- Object Operations
- Uploading an Object
- Downloading Objects
- Listing Objects
- Deleting Objects
- Copying and Moving Objects
- Restoring Archived Objects
- Querying Object Metadata
- Checking Whether an Object Exists
- Object Access URL
- Generating Pre-Signed URL
- Configuring CORS Preflight Requests
- Single-URL Speed Limits
- Server-Side Encryption
- Remote disaster-tolerant
- Data Management
- Cloud Access Management
- Data Verification
- Content Moderation
- Setting Access Domain Names (CDN/Global Acceleration)
- Image Processing
- Troubleshooting
- Error Codes
- FAQs
- COS Service Level Agreement
- COS Policy
- Appendices
- Glossary
COS Select supports the following operators:
| Operator Type | Operator |
|---|---|
| Logical operator | AND, NOT, OR |
| Comparison operator | <, >, <= ,>= , = , <>, !=, BETWEEN, IN, such as IN ('a', 'b', 'c') |
| Pattern matching operator | LIKE |
| Mathematical operator | +, -, *, % |
Priority of Operators
The following table shows the priority of operators in descending order:
| Operator/Element | Association | Use Case |
|---|---|---|
| - | Right | Unary subtraction |
| *, /, % | Left | Multiplication, division, and modulo |
| +, - | Left | Addition and subtraction |
| IN | - | Setting membership |
| BETWEEN | - | In the range of () |
| LIKE | - | String pattern matching |
| <> | - | Less than and greater than |
| = | Right | Equivalence and assignment |
| NOT | Right | Logical NOT |
| AND | Left | Logical AND |
| OR | Left | Logical OR |
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