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iAs/service/migrations/20260601000004_llm_usage.sql
T
2026-06-25 17:23:11 +08:00

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591 B
SQL

-- LLM Token 用量统计
CREATE TABLE IF NOT EXISTS llm_usage (
id BIGSERIAL PRIMARY KEY,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
user_id TEXT NOT NULL DEFAULT '',
model TEXT NOT NULL DEFAULT '',
provider TEXT NOT NULL DEFAULT 'deepseek',
prompt_tokens INTEGER NOT NULL DEFAULT 0,
completion_tokens INTEGER NOT NULL DEFAULT 0,
total_tokens INTEGER NOT NULL DEFAULT 0,
cache_hit_tokens INTEGER NOT NULL DEFAULT 0,
cache_miss_tokens INTEGER NOT NULL DEFAULT 0
);
CREATE INDEX IF NOT EXISTS idx_llm_usage_created ON llm_usage (created_at DESC);