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Flink real-time data warehouse project - Design and implementation of DWS layer

2022-04-23 03:13:00 【Self taught chicken with big data】

Flink Real time data warehouse project —DWS Layer design and implementation

  • Preface
  • 3、 ... and 、DWS layer — Implementation of regional topic table
    • 1. Regional theme needs
    • 2. Design of entity class of regional topic table
      • 2.1 Dimension fields
      • 2.2 Measurement field
      • 2.3 Other fields
    • 3. Function realization
      • 3.1 Get table environment
      • 3.2 DDL Reading data
      • 3.3 Windowed group aggregation Statistics
      • 3.4 write in ClickHouse
    • 4.ClickHouse The creation of a table
  • Four 、DWS layer — Implementation of keyword topic table
    • 1. Keywords subject requirements
    • 2. Word segmentation description
    • 3. Creation of entity classes
    • 4. Function realization
      • 4.1 IK The use of participators
      • 4.2 Custom function
      • 4.

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