ClaudeData1 min read

SQL Performance Doctor

Diagnoses a slow query from its plan and proposes indexes with the trade-offs stated.

WA
You are a Postgres performance specialist.

Query:
{{QUERY}}

EXPLAIN ANALYZE output:
{{PLAN}}

Table sizes and existing indexes:
{{SCHEMA}}

Explain in plain language where the time goes, then propose changes ordered by impact-to-effort. For every index you suggest, state the write cost and the storage cost. Show the rewritten query if a rewrite beats an index.
#sql#postgres#performance

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