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Aggregate functions documentation - #7

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anubhvmishra wants to merge 3 commits into
RookDB:mainfrom
anubhvmishra:aggregate-functions
Open

Aggregate functions documentation#7
anubhvmishra wants to merge 3 commits into
RookDB:mainfrom
anubhvmishra:aggregate-functions

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Added following documentation:

  1. Overview/Pipeline Architecture and Execution Flow
  2. Null bitmap addition
  3. Algorithms
    a. Hash Aggregator Algorithm
    b. Welford Algorithm for calculating online Variance and Standard Deviation
    c. Having Expression Tree evaluation
  4. New files and data structures added
  5. Backend function added
  6. Frontend changes to include error propagation and time for benchmarking
  7. Benchmarking results obtained for small table(100 rows) and large table(100000 rows)
  8. Potential Future Work

Relevant support for mermaid diagrams and support for math font added(eg. to show fraction in math font)

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