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- Glossary
- Release Notes and Announcements
- User Guide
- Product Introduction
- Purchase Guide
- Getting Started
- Operation Guide
- Resource Management
- Permission Management
- Log Collection
- Collection Overview
- Collecting Logs in Self-Built Kubernetes Cluster
- Collecting Syslog
- Collection by LogListener
- Collecting Text Log
- Uploading Log over Kafka
- Uploading Logs via Anonymous Write
- Uploading Logs via Logback Appender
- Uploading Logs via Log4j Appender
- Uploading Log via SDK
- Uploading Log via API
- Importing Data
- Tencent Cloud Service Log Access
- Log Storage
- Search and Analysis
- Syntax and Rules
- Statistical Analysis (SQL)
- Quick Analysis
- SQL Syntax
- SQL Functions
- String Function
- Date and Time Functions
- IP Geographic Function
- URL Function
- Mathematical Calculation Functions
- Mathematical Statistical Function
- General Aggregate Function
- Geospatial Function
- Binary String Function
- Estimation Function
- Type Conversion Function
- Logical Function
- Operators
- Bitwise Operation
- Regular Expression Function
- Lambda Function
- Conditional Expressions
- Array Functions
- Interval-Valued Comparison and Periodicity-Valued Comparison Functions
- JSON Functions
- Window Functions
- Sampling Analysis
- Configuring Indexes
- Reindexing
- Context Search and Analysis
- Downloading Log
- Dashboard
- Data Processing documents
- Data Processing
- Creating Processing Task
- Viewing Data Processing Details
- Data Processing Functions
- Function Overview
- Key-Value Extraction Functions
- Enrichment Functions
- Flow Control
- Row Processing Functions
- Field Processing Functions
- Value Structuring Functions
- Regular Expression Processing Functions
- Time Value Processing Functions
- String Processing Functions
- Type Conversion Functions
- Logical and Mathematical Functions
- Encoding and Decoding Functions
- IP Parsing Functions
- Processing Cases
- Scheduled SQL Analysis
- SCF
- Data Processing
- Shipping and Consumption
- Monitoring Alarm
- Historical Documentation
- Best Practices
- Developer Guide
- API Documentation
- History
- Introduction
- API Category
- Making API Requests
- Topic Management APIs
- Log Set Management APIs
- Index APIs
- Topic Partition APIs
- Machine Group APIs
- Collection Configuration APIs
- Log APIs
- Metric APIs
- Alarm Policy APIs
- Data Processing APIs
- Kafka Protocol Consumption APIs
- CKafka Shipping Task APIs
- Kafka Data Subscription APIs
- COS Shipping Task APIs
- SCF Delivery Task APIs
- Scheduled SQL Analysis APIs
- COS Data Import Task APIs
- Data Types
- Error Codes
- FAQs
- CLS Service Level Agreement
- CLS Policy
- Contact Us
- Glossary
This document introduces the basic syntax and examples of binary string functions.
The binary string type varbinary is different from the string type varchar.
Statement | Description |
Concatenation function || | The result of a || b is ab. |
length(binary) → bigint | Returns a binary length. |
concat(binary1, …, binaryN) → varbinary | Concatenates binary strings. This function provides the same functionality as ||. |
to_base64(binary) → varchar | Converts a binary string into a base64 string. |
from_base64(string) → varbinary | Converts a base64 string into a binary string. |
to_base64url(binary) → varchar | Converts a binary string into a base64 string with a URL safe alphabet. |
from_base64url(string) → varbinary | Converts a base64 string with a URL safe alphabet into a binary string. |
to_hex(binary) → varchar | Converts a binary string into a hexadecimal string. |
from_hex(string) → varbinary | Converts a hexadecimal string into a binary string. |
to_big_endian_64(bigint) → varbinary | Converts a bigint number into a big endian binary string. |
from_big_endian_64(binary) → bigint | Converts a big endian binary string into a number. |
md5(binary) → varbinary | Computes the MD5 hash of a binary string. |
sha1(binary) → varbinary | Computes the SHA1 hash of a binary string. |
sha256(binary) → varbinary | Computes the SHA256 hash of a binary string. |
sha512(binary) → varbinary | Computes the SHA512 hash of a binary string. |
xxhash64(binary) → varbinary | Computes the xxHash64 hash of a binary string. |
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