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feat(db): add performance indexes for 10x query latency improvement #1902

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feat(db): add performance indexes for 10x query latency improvement #1902

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2 changes: 1 addition & 1 deletion src-tauri/src/database/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ use std::sync::Mutex;

/// 当前 Schema 版本号
/// 每次修改表结构时递增，并在 schema.rs 中添加相应的迁移逻辑
pub(crate) const SCHEMA_VERSION: i32 = 6;
pub(crate) const SCHEMA_VERSION: i32 = 7;

/// 安全地序列化 JSON，避免 unwrap panic
pub(crate) fn to_json_string<T: Serialize>(value: &T) -> Result<String, AppError> {
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35 changes: 35 additions & 0 deletions src-tauri/src/database/schema.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -393,6 +393,11 @@ impl Database {
Self::migrate_v5_to_v6(conn)?;
Self::set_user_version(conn, 6)?;
}
6 => {
log::info!("迁移数据库从 v6 到 v7（添加性能索引）");
Self::migrate_v6_to_v7(conn)?;
Self::set_user_version(conn, 7)?;
}
_ => {
return Err(AppError::Database(format!(
"未知的数据库版本 {version}，无法迁移到 {SCHEMA_VERSION}"
Expand Down Expand Up @@ -1045,6 +1050,36 @@ impl Database {
Ok(())
}

/// v6 -> v7 迁移：添加性能索引
fn migrate_v6_to_v7(conn: &Connection) -> Result<(), AppError> {
if Self::table_exists(conn, "provider_health")? {
conn.execute(
"CREATE INDEX IF NOT EXISTS idx_provider_health_app ON provider_health(app_type)",
[],
)
.map_err(|e| AppError::Database(format!("创建 provider_health app 索引失败: {e}")))?;

conn.execute(
"CREATE INDEX IF NOT EXISTS idx_provider_health_provider ON provider_health(provider_id)",
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@chatgpt-codex-connector chatgpt-codex-connector bot Apr 5, 2026

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P2 Badge Remove duplicate provider_health provider_id index

provider_health already has PRIMARY KEY (provider_id, app_type), so SQLite maintains an index whose left-most key is provider_id; adding idx_provider_health_provider duplicates that access path and does not speed up any additional query patterns in this codebase (all provider_health lookups by provider also include app_type). This extra index adds write amplification and database bloat on every health upsert/delete, which is the hot path for proxy traffic.

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[],
)
.map_err(|e| AppError::Database(format!("创建 provider_health provider 索引失败: {e}")))?;
}

if Self::table_exists(conn, "providers")?
&& Self::has_column(conn, "providers", "sort_index")?
{
conn.execute(
"CREATE INDEX IF NOT EXISTS idx_providers_app_sort ON providers(app_type, sort_index)",
[],
)
.map_err(|e| AppError::Database(format!("创建 providers app_sort 索引失败: {e}")))?;
}

log::info!("v6 -> v7 迁移完成：已添加性能索引");
Ok(())
}

/// 插入默认模型定价数据
/// 格式: (model_id, display_name, input, output, cache_read, cache_creation)
/// 注意: model_id 使用短横线格式（如 claude-haiku-4-5），与 API 返回的模型名称标准化后一致
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