feat: use JSON column + bulk update support.

src/common/contract/get-sessions.ts

@@ -6,6 +6,7 @@ export function exportGetSessionsSchema(z: Z) {
       title: "Total logs",
       description:
         "The total number of logs satisfying the filters, regardless of pagination",
+      example: 14,
     }),
     sessions: z
       .object({

src/server/db/get-entries.ts

@@ -5,7 +5,7 @@ export function getEntries(sessionId: string, category?: string) {
     let query = trx
       .selectFrom("log_entries")
       .where("session_info_id", "=", sessionId)
-      .select(["id", "message", "timestamp", "category"])
+      .select(["id", "message", "timestamp", "category", "metadata"])
       .orderBy("timestamp", "asc");
     if (category) {
       query = query.where("category", "=", category);
@@ -13,24 +13,14 @@ export function getEntries(sessionId: string, category?: string) {
 
     const logEntries = await query.execute();
 
-    // get all the metadata for the log entries
-    const metadata = await trx
-      .selectFrom("log_metadata")
-      .where(
-        "log_entry_id",
-        "in",
-        logEntries.map((entry) => entry.id)
-      )
-      .select(["log_entry_id", "key", "value"])
-      .execute();
-
     return logEntries.map((entry) => ({
       message: entry.message,
       timestamp: entry.timestamp,
       category: entry.category,
-      metadata: metadata
+      metadata: entry.metadata.reduce(
-        .filter((m) => m.log_entry_id === entry.id)
+        (acc, m) => ({ ...acc, [m[0]]: m[1] }),
-        .reduce((acc, m) => ({ ...acc, [m.key]: m.value }), {}),
+        {}
+      ),
     }));
   });
 }

src/server/db/get-session.ts

@@ -13,22 +13,11 @@ export async function getSession(id: string): Promise<GetSessionResponse> {
   const logEntries = await db
     .selectFrom("log_entries")
     .where("session_info_id", "=", id)
-    .select(["id", "message", "timestamp", "category"])
+    .select(["id", "message", "timestamp", "category", "metadata"])
     .orderBy("timestamp", "asc")
     .execute();
 
-  // get all the metadata for the log entries
+  // build the object accordingly
-  const metadata = await db
-    .selectFrom("log_metadata")
-    .where(
-      "log_entry_id",
-      "in",
-      logEntries.map((entry) => entry.id)
-    )
-    .select(["log_entry_id", "key", "value"])
-    .execute();
-
-  // buidl the object accordingly
   return {
     game_name: session.game_name,
     version: session.version,
@@ -36,9 +25,10 @@ export async function getSession(id: string): Promise<GetSessionResponse> {
       message: entry.message,
       timestamp: entry.timestamp,
       category: entry.category,
-      metadata: metadata
+      metadata: entry.metadata.reduce(
-        .filter((m) => m.log_entry_id === entry.id)
+        (acc, m) => ({ ...acc, [m[0]]: m[1] }),
-        .reduce((acc, m) => ({ ...acc, [m.key]: m.value }), {}),
+        {}
+      ),
     })),
   };
 }

src/server/db/init.ts

@@ -6,6 +6,7 @@ import {
   MigrationProvider,
   Migrator,
   MysqlDialect,
+  ParseJSONResultsPlugin,
 } from "kysely";
 import { env } from "process";
 
@@ -42,6 +43,8 @@ export const db = new Kysely<Database>({
       });
     }
   },
+  // MariaDB's json columns are actually just LONGTEXT columns
+  plugins: [new ParseJSONResultsPlugin()],
 });
 
 import * as migrations from "./migrations";

src/server/db/kysely-mariadb-json.ts

@@ -0,0 +1,12 @@
+import { RawBuilder, sql } from "kysely";
+
+/**
+ * Expression builder to wrap values that must be inserted in a JSON MariaDB column.
+ * MariaDB simply treat JSON as a LONGTEXT with a CHECK constraint to ensure it's a valid JSON. This means it's enough to escape a string.
+ * @param value The value to transform to JSON.
+ * @returns A builder to produce the JSON value.
+ */
+export function json<T>(value: T): RawBuilder<T> {
+  const json = JSON.stringify(value);
+  return sql`${json}`;
+}

src/server/db/post-log.ts

@@ -2,6 +2,7 @@ import { LogEntry, SingleMetadata } from "../contract";
 import { HttpError } from "../http-error";
 import { db } from "./init";
 import { zip } from "lodash-es";
+import { json } from "./kysely-mariadb-json";
 
 declare global {
   interface BigInt {
@@ -46,8 +47,8 @@ export async function postLog(
           version,
         })
         .execute();
-      // add the main log line
+      // add the main log lines with their metadata
-      const insertResult = await trx
+      await trx
         .insertInto("log_entries")
         .values(
           entries.map((entry) => ({
@@ -55,30 +56,11 @@ export async function postLog(
             message: entry.message,
             timestamp: new Date(),
             category: entry.category,
+            metadata: json(entry.metadata.map((x) => [x.key, x.value])),
           }))
         )
         .returning("id")
         .execute();
-      console.log("insertResulttt:", JSON.stringify(insertResult, null, 2));
-      for (const r of insertResult) {
-        console.log("insertResult", r.id);
-      }
-      // console.log("insertResult.insertId", (insertResult as any).insertId);
-      // console.log("keys:", Object.keys(insertResult));
-      throw new Error("aaa");
-      // add all the metadata
-      // if (metadata.length > 0) {
-      //   await trx
-      //     .insertInto("log_metadata")
-      //     .values(
-      //       metadata.map(({ key, value }) => ({
-      //         log_entry_id: Number(insertResult.insertId),
-      //         key,
-      //         value,
-      //       }))
-      //     )
-      //     .execute();
-      // }
     });
   }
 }

src/server/db/types.ts

@@ -1,11 +1,33 @@
 import { Generated, Insertable, Selectable } from "kysely";
 
+/*
+ * DATABASE
+ */
+
 export interface Database {
   log_entries: LogEntriesTable;
-  log_metadata: LogMetadataTable;
   session_info: SessionInfoTable;
 }
 
+/*
+ * SESSION INFO
+ */
+
+export interface SessionInfoTable
+{
+  id: string;
+  game_name: string;
+  version: string;
+  save_id: string;
+}
+
+export type SessionInfo = Selectable<SessionInfoTable>;
+export type NewSessionInfoTable = Insertable<SessionInfoTable>;
+
+/*
+ * LOG ENTRIES
+ */
+
 export interface LogEntriesTable
 {
     id: Generated<number>;
@@ -13,6 +35,7 @@ export interface LogEntriesTable
     message: string;
     timestamp: Date;
     category?: string;
+    metadata: [string, string][];
 }
 
 export type LogEntry = Selectable<LogEntriesTable>;
@@ -28,14 +51,3 @@ export interface LogMetadataTable
 
 export type LogMetadata = Selectable<LogMetadataTable>;
 export type NewLogMetadata = Insertable<LogMetadataTable>;
-
-export interface SessionInfoTable
-{
-  id: string;
-  save_id: string;
-  game_name: string;
-  version: string;
-}
-
-export type SessionInfo = Selectable<SessionInfoTable>;
-export type NewSessionInfoTable = Insertable<SessionInfoTable>;