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having.go

having.go - Overview​

This file implements the logic for applying HAVING clauses to query results. The HAVING clause filters aggregated data based on specified conditions.

Detailed Documentation​

ApplyHavingClause​

Purpose:​

Applies the HAVING clause to filter the points in each series of the query results based on the specified conditions.

Parameters:​

  • result ([]*v3.Result): The slice of query results to process.
  • queryRangeParams (*v3.QueryRangeParamsV3): The query range parameters, including the composite query and builder queries containing the HAVING clause.

Returns:​

None. The function modifies the result slice in place, filtering points and series as necessary.

evaluateHavingClause​

Purpose:​

Evaluates a single HAVING clause condition against a given value.

Parameters:​

  • having ([]v3.Having): The slice of HAVING conditions to evaluate.
  • value (float64): The value to test against the HAVING condition.

Returns:​

  • bool: true if the value satisfies the condition, false otherwise.

Include in Getting Started: NO