Revert "feat(search): try to deal with huge dbs, might need to squash later"

This reverts commit 37d0136c50.

apps/server/src/services/sql_init.ts

@@ -44,9 +44,6 @@ async function initDbConnection() {
 
     await migrationService.migrateIfNecessary();
 
-    // Initialize optimized SQLite pragmas for FTS and large database performance
-    initializeFTSPragmas();
-
     sql.execute('CREATE TEMP TABLE "param_list" (`paramId` TEXT NOT NULL PRIMARY KEY)');
 
     sql.execute(`
@@ -188,42 +185,6 @@ function setDbAsInitialized() {
     }
 }
 
-/**
- * Initialize SQLite pragmas optimized for FTS5 and large databases
- */
-function initializeFTSPragmas() {
-    if (config.General.readOnly) {
-        return;
-    }
-    
-    try {
-        log.info("Setting SQLite pragmas for FTS5 and large database optimization...");
-        
-        sql.executeScript(`
-            -- Memory Management (Critical for FTS performance with millions of notes)
-            PRAGMA cache_size = -262144;        -- 256MB cache for better query performance
-            PRAGMA temp_store = MEMORY;         -- Use memory for temporary tables and indices
-            PRAGMA mmap_size = 536870912;       -- 512MB memory-mapped I/O for better read performance
-            
-            -- Write Optimization (Better for concurrent operations)
-            PRAGMA synchronous = NORMAL;        -- Balance safety and performance (FULL is too slow for large operations)
-            PRAGMA journal_mode = WAL;          -- Write-Ahead Logging for better concurrency
-            PRAGMA wal_autocheckpoint = 1000;   -- Checkpoint every 1000 pages for memory management
-            
-            -- Query Optimization (Essential for complex FTS queries)
-            PRAGMA automatic_index = ON;        -- Allow SQLite to create automatic indexes when beneficial
-            
-            -- FTS-Specific Optimizations
-            PRAGMA threads = 4;                 -- Use multiple threads for FTS operations if available
-        `);
-        
-        log.info("FTS pragmas initialized successfully");
-    } catch (error) {
-        log.error(`Failed to initialize FTS pragmas: ${error}`);
-        // Don't throw - continue with default settings
-    }
-}
-
 function optimize() {
     if (config.General.readOnly) {
         return;