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Count Matches Per Source
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Count Matches Per Source

MediumSQL · PostgreSQL

Problem

Given an LLM output and a list of sources, return the count of matches for each source.

Use output_id = 1 for the requested LLM output. Include every source associated with that output, including sources with no matches.

Output

  1. One row per source, with source_id, source_name, and match_count.
  2. Sort by source_id ascending.

Schema

llm_outputs
ColumnTypeDescription
output_idPKINTIdentifier of the LLM output
output_textTEXTGenerated LLM response text
sources
ColumnTypeDescription
source_idPKINTIdentifier of the source
output_idINTLLM output whose source list contains this source
source_nameVARCHAR(150)Display name of the source
locatorVARCHAR(255)URL, document path, or citation locator
source_matches
ColumnTypeDescription
match_idPKINTIdentifier of a detected source match
output_idINTLLM output containing the match
source_idINTSource associated with the match
match_excerptTEXTExcerpt showing the detected match
Tablesllm_outputssourcessource_matches
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