M57
5e93fb2a4e
* perf: add composite index on session_id and timestamp to chat_messages Fixes a high-severity performance issue (PERF-08) described in issue #276. A full table scan and in-memory sort were previously performed during each session-switch or cache-load due to a missing index. By adding a composite index on `(session_id, timestamp)` in the `ChatMessageEntity` and bumping the database version from 1 to 2 with a migration, the query for loading messages now avoids the full table scan, making chat loading latency independent of total message count. Changes made: - Added `indices` to `@Entity` in `ChatMessageEntity.kt` for `session_id` and `timestamp`. - Bumped `version` to 2 in `HermesDatabase.kt`. - Added explicit migration `MIGRATION_1_2` to create the index if it doesn't exist and added it to `.addMigrations()`. Fixes #276 * style: fix ktlint formatting errors in HermesDatabase.kt Fixed `standard:argument-list-wrapping` and `standard:max-line-length` ktlint errors in `app/src/main/java/com/m57/hermescontrol/data/local/HermesDatabase.kt`. This ensures that the repository meets standard code style guidelines and fixes the GitHub CI build check failures.
83 lines
2.5 KiB
JSON
83 lines
2.5 KiB
JSON
{
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"formatVersion": 1,
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"database": {
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"version": 2,
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"identityHash": "b0a33c5fd32118982236698f395f519b",
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"entities": [
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{
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"tableName": "chat_messages",
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"createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `session_id` TEXT NOT NULL, `role` TEXT NOT NULL, `content` TEXT NOT NULL, `timestamp` INTEGER NOT NULL, `tool_name` TEXT, `tool_status` TEXT, `is_streaming` INTEGER NOT NULL, PRIMARY KEY(`id`))",
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"fields": [
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{
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"fieldPath": "id",
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"columnName": "id",
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"affinity": "TEXT",
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"notNull": true
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},
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{
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"fieldPath": "sessionId",
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"columnName": "session_id",
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"affinity": "TEXT",
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"notNull": true
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},
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{
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"fieldPath": "role",
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"columnName": "role",
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"affinity": "TEXT",
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"notNull": true
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},
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{
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"fieldPath": "content",
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"columnName": "content",
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"affinity": "TEXT",
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"notNull": true
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},
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{
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"fieldPath": "timestamp",
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"columnName": "timestamp",
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"affinity": "INTEGER",
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"notNull": true
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},
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{
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"fieldPath": "toolName",
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"columnName": "tool_name",
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"affinity": "TEXT"
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},
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{
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"fieldPath": "toolStatus",
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"columnName": "tool_status",
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"affinity": "TEXT"
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},
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{
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"fieldPath": "isStreaming",
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"columnName": "is_streaming",
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"affinity": "INTEGER",
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"notNull": true
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}
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],
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"primaryKey": {
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"autoGenerate": false,
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"columnNames": [
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"id"
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]
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},
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"indices": [
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{
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"name": "index_chat_messages_session_id_timestamp",
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"unique": false,
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"columnNames": [
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"session_id",
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"timestamp"
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],
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"orders": [],
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"createSql": "CREATE INDEX IF NOT EXISTS `index_chat_messages_session_id_timestamp` ON `${TABLE_NAME}` (`session_id`, `timestamp`)"
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}
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]
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}
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],
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"setupQueries": [
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"CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
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"INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'b0a33c5fd32118982236698f395f519b')"
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]
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}
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} |