Refactor sqlite, up password mem default, refactor fs

core/runner/fs.lua

@@ -1,29 +1,28 @@
 local fs = {}
 
--- File Operations
+fs.read = function(path)
-fs.read_file = function(path)
 	if type(path) ~= "string" then
-		error("fs.read_file: path must be a string", 2)
+		error("fs.read: path must be a string", 2)
 	end
 	return __fs_read_file(path)
 end
 
-fs.write_file = function(path, content)
+fs.write = function(path, content)
 	if type(path) ~= "string" then
-		error("fs.write_file: path must be a string", 2)
+		error("fs.write: path must be a string", 2)
 	end
 	if type(content) ~= "string" then
-		error("fs.write_file: content must be a string", 2)
+		error("fs.write: content must be a string", 2)
 	end
 	return __fs_write_file(path, content)
 end
 
-fs.append_file = function(path, content)
+fs.append = function(path, content)
 	if type(path) ~= "string" then
-		error("fs.append_file: path must be a string", 2)
+		error("fs.append: path must be a string", 2)
 	end
 	if type(content) ~= "string" then
-		error("fs.append_file: content must be a string", 2)
+		error("fs.append: content must be a string", 2)
 	end
 	return __fs_append_file(path, content)
 end
@@ -35,16 +34,16 @@ fs.exists = function(path)
 	return __fs_exists(path)
 end
 
-fs.remove_file = function(path)
+fs.remove = function(path)
 	if type(path) ~= "string" then
-		error("fs.remove_file: path must be a string", 2)
+		error("fs.remove: path must be a string", 2)
 	end
 	return __fs_remove_file(path)
 end
 
-fs.get_info = function(path)
+fs.info = function(path)
 	if type(path) ~= "string" then
-		error("fs.get_info: path must be a string", 2)
+		error("fs.info: path must be a string", 2)
 	end
 	local info = __fs_get_info(path)
 
@@ -57,24 +56,24 @@ fs.get_info = function(path)
 end
 
 -- Directory Operations
-fs.make_dir = function(path, mode)
+fs.mkdir = function(path, mode)
 	if type(path) ~= "string" then
-		error("fs.make_dir: path must be a string", 2)
+		error("fs.mkdir: path must be a string", 2)
 	end
 	mode = mode or 0755
 	return __fs_make_dir(path, mode)
 end
 
-fs.list_dir = function(path)
+fs.ls = function(path)
 	if type(path) ~= "string" then
-		error("fs.list_dir: path must be a string", 2)
+		error("fs.ls: path must be a string", 2)
 	end
 	return __fs_list_dir(path)
 end
 
-fs.remove_dir = function(path, recursive)
+fs.rmdir = function(path, recursive)
 	if type(path) ~= "string" then
-		error("fs.remove_dir: path must be a string", 2)
+		error("fs.rmdir: path must be a string", 2)
 	end
 	recursive = recursive or false
 	return __fs_remove_dir(path, recursive)

core/runner/password.go

@@ -28,7 +28,7 @@ func passwordHash(state *luajit.State) int {
 	password := state.ToString(1)
 
 	params := &argon2id.Params{
-		Memory:      64 * 1024,
+		Memory:      128 * 1024,
 		Iterations:  4,
 		Parallelism: 4,
 		SaltLength:  16,

core/runner/sandbox.lua

@@ -585,8 +585,8 @@ local password = {}
 
 -- Hash a password using Argon2id
 -- Options:
--- memory: Amount of memory to use in KB (default: 64MB)
+-- memory: Amount of memory to use in KB (default: 128MB)
--- iterations: Number of iterations (default: 3)
+-- iterations: Number of iterations (default: 4)
 -- parallelism: Number of threads (default: 4)
 -- salt_length: Length of salt in bytes (default: 16)
 -- key_length: Length of the derived key in bytes (default: 32)

core/runner/sqlite.go

@@ -33,7 +33,6 @@ type SQLiteManager struct {
 	dataDir     string
 }
 
-// Global manager
 var sqliteManager *SQLiteManager
 
 // InitSQLite initializes the SQLite manager
@@ -55,7 +54,7 @@ func CleanupSQLite() {
 	sqliteManager.mu.Lock()
 	defer sqliteManager.mu.Unlock()
 
-	// Release all active connections
+	// Release all connections and close pools
 	for id, conn := range sqliteManager.activeConns {
 		if conn.Pool != nil {
 			conn.Pool.Put(conn.Conn)
@@ -63,7 +62,6 @@ func CleanupSQLite() {
 		delete(sqliteManager.activeConns, id)
 	}
 
-	// Close all pools
 	for name, pool := range sqliteManager.pools {
 		if err := pool.Close(); err != nil {
 			logger.Error("Failed to close database %s: %v", name, err)
@@ -94,13 +92,10 @@ func ReleaseActiveConnections(state *luajit.State) {
 	// Iterate through active connections
 	state.PushNil() // Start iteration
 	for state.Next(-2) {
-		// Stack now has key at -2 and value at -1
 		if state.IsTable(-1) {
 			state.GetField(-1, "id")
 			if state.IsString(-1) {
 				connID := state.ToString(-1)
-
-				// Release connection from Go side
 				if conn, exists := sqliteManager.activeConns[connID]; exists {
 					if conn.Pool != nil {
 						conn.Pool.Put(conn.Conn)
@@ -130,16 +125,15 @@ func getPool(dbName string) (*sqlitex.Pool, error) {
 		return nil, errors.New("invalid database name")
 	}
 
-	// Check for existing pool
+	// Check for existing pool with read lock
 	sqliteManager.mu.RLock()
 	pool, exists := sqliteManager.pools[dbName]
 	sqliteManager.mu.RUnlock()
-
 	if exists {
 		return pool, nil
 	}
 
-	// Create new pool
+	// Create new pool with write lock
 	sqliteManager.mu.Lock()
 	defer sqliteManager.mu.Unlock()
 
@@ -148,12 +142,9 @@ func getPool(dbName string) (*sqlitex.Pool, error) {
 		return pool, nil
 	}
 
-	// Create database file path
+	// Create database file path and pool
 	dbPath := filepath.Join(sqliteManager.dataDir, dbName+".db")
-
-	// Create the pool
 	pool, err := sqlitex.NewPool(dbPath, sqlitex.PoolOptions{})
-
 	if err != nil {
 		return nil, fmt.Errorf("failed to open database: %w", err)
 	}
@@ -179,7 +170,7 @@ func getConnection(dbName string, connID string) (*sqlite.Conn, *sqlitex.Pool, e
 		return nil, nil, err
 	}
 
-	// Get a connection using the newer Take API
+	// Get a connection
 	dbConn, err := pool.Take(context.Background())
 	if err != nil {
 		return nil, nil, fmt.Errorf("failed to get connection from pool: %w", err)
@@ -197,129 +188,21 @@ func getConnection(dbName string, connID string) (*sqlite.Conn, *sqlitex.Pool, e
 	return dbConn, pool, nil
 }
 
-// detectParamType determines if parameters are positional or named
+// processParams extracts parameters and connection ID from Lua state
-func detectParamType(params any) (isArray bool) {
+func processParams(state *luajit.State, defaultConnID string) (params any, connID string, isPositional bool, positionalParams []any, err error) {
-	if params == nil {
+	connID = defaultConnID
-		return false
-	}
-
-	// Check if it's a map[string]any
-	if paramsMap, ok := params.(map[string]any); ok {
-		// Check for the empty string key which indicates an array
-		if array, hasArray := paramsMap[""]; hasArray {
-			// Verify it's actually an array
-			if _, isSlice := array.([]any); isSlice {
-				return true
-			}
-			if _, isFloatSlice := array.([]float64); isFloatSlice {
-				return true
-			}
-		}
-		return false
-	}
-
-	// If it's already a slice type
-	if _, ok := params.([]any); ok {
-		return true
-	}
-	if _, ok := params.([]float64); ok {
-		return true
-	}
-
-	return false
-}
-
-// prepareParams processes parameters for SQLite queries
-func prepareParams(params any) (map[string]any, []any) {
-	if params == nil {
-		return nil, nil
-	}
-
-	// Handle positional parameters (array-like)
-	if detectParamType(params) {
-		var positional []any
-
-		// Extract array from special map format
-		if paramsMap, ok := params.(map[string]any); ok {
-			if array, hasArray := paramsMap[""]; hasArray {
-				if slice, ok := array.([]any); ok {
-					positional = slice
-				} else if floatSlice, ok := array.([]float64); ok {
-					// Convert []float64 to []any
-					positional = make([]any, len(floatSlice))
-					for i, v := range floatSlice {
-						positional[i] = v
-					}
-				}
-			}
-		} else if slice, ok := params.([]any); ok {
-			positional = slice
-		} else if floatSlice, ok := params.([]float64); ok {
-			// Convert []float64 to []any
-			positional = make([]any, len(floatSlice))
-			for i, v := range floatSlice {
-				positional[i] = v
-			}
-		}
-
-		return nil, positional
-	}
-
-	// Handle named parameters (map-like)
-	if paramsMap, ok := params.(map[string]any); ok {
-		modified := make(map[string]any, len(paramsMap))
-
-		for key, value := range paramsMap {
-			if len(key) > 0 && key[0] != ':' {
-				modified[":"+key] = value
-			} else {
-				modified[key] = value
-			}
-		}
-
-		return modified, nil
-	}
-
-	return nil, nil
-}
-
-// luaSQLQuery executes a SQL query and returns results to Lua
-func luaSQLQuery(state *luajit.State) int {
-	// Get database name
-	if !state.IsString(1) {
-		state.PushString("sqlite.query: database name must be a string")
-		return -1
-	}
-	dbName := state.ToString(1)
-
-	// Get query
-	if !state.IsString(2) {
-		state.PushString("sqlite.query: query must be a string")
-		return -1
-	}
-	query := state.ToString(2)
 
 	// Check if using positional parameters
-	isPositional := false
-	var positionalParams []any
-
-	// Get connection ID (optional)
-	var connID string
-
-	// Check if we have positional parameters instead of a params table
 	if state.GetTop() >= 3 && !state.IsTable(3) {
 		isPositional = true
 		paramCount := state.GetTop() - 2 // Count all args after db and query
 
-		// Adjust connection ID index if we have positional params
+		// Check if last param is a connection ID
-		if paramCount > 0 {
-			// Last parameter might be connID if it's a string
 		lastIdx := paramCount + 2 // db(1) + query(2) + paramCount
-			if state.IsString(lastIdx) && state.GetType(lastIdx-1) != state.GetType(lastIdx) {
+		if paramCount > 0 && state.IsString(lastIdx) && state.GetType(lastIdx-1) != state.GetType(lastIdx) {
 			connID = state.ToString(lastIdx)
 			paramCount-- // Exclude connID from param count
 		}
-		}
 
 		// Create array for positional parameters
 		positionalParams = make([]any, paramCount)
@@ -327,95 +210,170 @@ func luaSQLQuery(state *luajit.State) int {
 		// Collect all parameters
 		for i := 0; i < paramCount; i++ {
 			paramIdx := i + 3 // Params start at index 3
-
-			// Convert to appropriate Go value
-			var value any
 			switch state.GetType(paramIdx) {
 			case luajit.TypeNumber:
-				value = state.ToNumber(paramIdx)
+				positionalParams[i] = state.ToNumber(paramIdx)
 			case luajit.TypeString:
-				value = state.ToString(paramIdx)
+				positionalParams[i] = state.ToString(paramIdx)
 			case luajit.TypeBoolean:
-				value = state.ToBoolean(paramIdx)
+				positionalParams[i] = state.ToBoolean(paramIdx)
 			case luajit.TypeNil:
-				value = nil
+				positionalParams[i] = nil
 			default:
-				// Try to convert as generic value
+				val, errConv := state.ToValue(paramIdx)
-				var err error
+				if errConv != nil {
-				value, err = state.ToValue(paramIdx)
+					return nil, "", false, nil, fmt.Errorf("failed to convert parameter %d: %w", i+1, errConv)
-				if err != nil {
-					state.PushString(fmt.Sprintf("sqlite.query: failed to convert parameter %d: %s", i+1, err.Error()))
-					return -1
 				}
+				positionalParams[i] = val
+			}
+		}
+		return nil, connID, isPositional, positionalParams, nil
 	}
 
-			positionalParams[i] = value
+	// Named parameter handling
-		}
-	} else {
-		// Original named parameter table handling
 	if state.GetTop() >= 4 && !state.IsNil(4) && state.IsString(4) {
 		connID = state.ToString(4)
+	}
+
+	// Get table parameters if present
+	if state.GetTop() >= 3 && !state.IsNil(3) && state.IsTable(3) {
+		params, err = state.ToTable(3)
+	}
+
+	return params, connID, isPositional, nil, err
+}
+
+// prepareExecOptions prepares SQLite execution options based on parameters
+func prepareExecOptions(query string, params any, isPositional bool, positionalParams []any) *sqlitex.ExecOptions {
+	execOpts := &sqlitex.ExecOptions{}
+
+	if params == nil && !isPositional {
+		return execOpts
+	}
+
+	// Prepare parameters
+	isArray := false
+	var namedParams map[string]any
+	var arrParams []any
+
+	// Check for array parameters
+	if m, ok := params.(map[string]any); ok {
+		if arr, hasArray := m[""]; hasArray {
+			isArray = true
+			if slice, ok := arr.([]any); ok {
+				arrParams = slice
+			} else if floatSlice, ok := arr.([]float64); ok {
+				arrParams = make([]any, len(floatSlice))
+				for i, v := range floatSlice {
+					arrParams[i] = v
+				}
+			}
 		} else {
-			// Generate a temporary connection ID
+			// Process named parameters
-			connID = fmt.Sprintf("temp_%p", &query)
+			namedParams = make(map[string]any, len(m))
+			for k, v := range m {
+				if len(k) > 0 && k[0] != ':' {
+					namedParams[":"+k] = v
+				} else {
+					namedParams[k] = v
+				}
+			}
+		}
+	} else if slice, ok := params.([]any); ok {
+		isArray = true
+		arrParams = slice
+	} else if floatSlice, ok := params.([]float64); ok {
+		isArray = true
+		arrParams = make([]any, len(floatSlice))
+		for i, v := range floatSlice {
+			arrParams[i] = v
 		}
 	}
 
-	// Get parameters (optional for named parameters)
+	// Use positional params if explicitly provided
-	var params any
+	if isPositional {
-	if !isPositional && state.GetTop() >= 3 && !state.IsNil(3) && state.IsTable(3) {
+		arrParams = positionalParams
-		var err error
+		isArray = true
-		params, err = state.ToTable(3)
+	}
-		if err != nil {
+
-			state.PushString("sqlite.query: failed to parse parameters: " + err.Error())
+	// Limit positional params to actual placeholders
+	if isArray && arrParams != nil {
+		placeholderCount := strings.Count(query, "?")
+		if len(arrParams) > placeholderCount {
+			arrParams = arrParams[:placeholderCount]
+		}
+		execOpts.Args = arrParams
+	} else if namedParams != nil {
+		execOpts.Named = namedParams
+	}
+
+	return execOpts
+}
+
+// sqlOperation handles both query and exec operations
+func sqlOperation(state *luajit.State, isQuery bool) int {
+	operation := "query"
+	if !isQuery {
+		operation = "exec"
+	}
+
+	// Get database name
+	if !state.IsString(1) {
+		state.PushString(fmt.Sprintf("sqlite.%s: database name must be a string", operation))
 		return -1
 	}
+	dbName := state.ToString(1)
+
+	// Get query
+	if !state.IsString(2) {
+		state.PushString(fmt.Sprintf("sqlite.%s: query must be a string", operation))
+		return -1
+	}
+	query := state.ToString(2)
+
+	// Generate a temporary connection ID if needed
+	defaultConnID := fmt.Sprintf("temp_%p", &query)
+
+	// Process parameters and get connection ID
+	params, connID, isPositional, positionalParams, err := processParams(state, defaultConnID)
+	if err != nil {
+		state.PushString(fmt.Sprintf("sqlite.%s: %s", operation, err.Error()))
+		return -1
 	}
 
 	// Get connection
 	conn, pool, err := getConnection(dbName, connID)
 	if err != nil {
-		state.PushString("sqlite.query: " + err.Error())
+		state.PushString(fmt.Sprintf("sqlite.%s: %s", operation, err.Error()))
 		return -1
 	}
 
 	// For temporary connections, defer release
 	if strings.HasPrefix(connID, "temp_") {
 		defer func() {
-			// Release the connection
 			sqliteManager.mu.Lock()
 			delete(sqliteManager.activeConns, connID)
 			sqliteManager.mu.Unlock()
-
 			pool.Put(conn)
 		}()
 	}
 
-	// Execute query and collect results
+	// Prepare execution options
+	execOpts := prepareExecOptions(query, params, isPositional, positionalParams)
+
+	// Define rows slice outside the closure
 	var rows []map[string]any
 
-	// Prepare params based on type
+	// For queries, add result function
-	namedParams, positional := prepareParams(params)
+	if isQuery {
-
+		execOpts.ResultFunc = func(stmt *sqlite.Stmt) error {
-	// If we have direct positional params from function args, use those
-	if isPositional {
-		positional = positionalParams
-	}
-
-	// Count actual placeholders in the query
-	placeholderCount := strings.Count(query, "?")
-
-	// Execute with appropriate parameter type
-	execOpts := &sqlitex.ExecOptions{
-		ResultFunc: func(stmt *sqlite.Stmt) error {
 			row := make(map[string]any)
 			columnCount := stmt.ColumnCount()
 
 			for i := range columnCount {
 				columnName := stmt.ColumnName(i)
-				columnType := stmt.ColumnType(i)
 
-				switch columnType {
+				switch stmt.ColumnType(i) {
 				case sqlite.TypeInteger:
 					row[columnName] = stmt.ColumnInt64(i)
 				case sqlite.TypeFloat:
@@ -425,8 +383,7 @@ func luaSQLQuery(state *luajit.State) int {
 				case sqlite.TypeBlob:
 					blobSize := stmt.ColumnLen(i)
 					buf := make([]byte, blobSize)
-					blob := stmt.ColumnBytes(i, buf)
+					row[columnName] = stmt.ColumnBytes(i, buf)
-					row[columnName] = blob
 				case sqlite.TypeNull:
 					row[columnName] = nil
 				}
@@ -437,194 +394,51 @@ func luaSQLQuery(state *luajit.State) int {
 			maps.Copy(rowCopy, row)
 			rows = append(rows, rowCopy)
 			return nil
-		},
+		}
 	}
 
-	// Set appropriate parameter type
+	// Execute query
-	if namedParams != nil {
+	var execErr error
-		execOpts.Named = namedParams
+	if isQuery || execOpts.Args != nil || execOpts.Named != nil {
-	} else if positional != nil {
+		execErr = sqlitex.Execute(conn, query, execOpts)
-		// Make sure we're not passing more positional parameters than placeholders
+	} else {
-		if len(positional) > placeholderCount {
+		// Use ExecScript for queries without parameters
-			positional = positional[:placeholderCount]
+		execErr = sqlitex.ExecScript(conn, query)
-		}
-		execOpts.Args = positional
 	}
 
-	err = sqlitex.Execute(conn, query, execOpts)
+	if execErr != nil {
-
+		state.PushString(fmt.Sprintf("sqlite.%s: %s", operation, execErr.Error()))
-	if err != nil {
-		state.PushString("sqlite.query: " + err.Error())
 		return -1
 	}
 
-	// Create result table
+	// Return results for query, affected rows for exec
+	if isQuery {
+		// Create result table with rows
 		state.NewTable()
-
-	// Add results to the table
 		for i, row := range rows {
 			state.PushNumber(float64(i + 1))
 			if err := state.PushTable(row); err != nil {
-			state.PushString("sqlite.query: " + err.Error())
+				state.PushString(fmt.Sprintf("sqlite.%s: %s", operation, err.Error()))
 				return -1
 			}
 			state.SetTable(-3)
 		}
+	} else {
+		// Return number of affected rows
+		state.PushNumber(float64(conn.Changes()))
+	}
 
 	return 1
 }
 
+// luaSQLQuery executes a SQL query and returns results to Lua
+func luaSQLQuery(state *luajit.State) int {
+	return sqlOperation(state, true)
+}
+
 // luaSQLExec executes a SQL statement without returning results
 func luaSQLExec(state *luajit.State) int {
-	// Get database name and query
+	return sqlOperation(state, false)
-	if !state.IsString(1) {
-		state.PushString("sqlite.exec: database name must be a string")
-		return -1
-	}
-	dbName := state.ToString(1)
-
-	if !state.IsString(2) {
-		state.PushString("sqlite.exec: query must be a string")
-		return -1
-	}
-	query := state.ToString(2)
-
-	// Check if using positional parameters
-	isPositional := false
-	var positionalParams []any
-
-	// Get connection ID (optional)
-	var connID string
-
-	// Check if we have positional parameters instead of a params table
-	if state.GetTop() >= 3 && !state.IsTable(3) {
-		isPositional = true
-		paramCount := state.GetTop() - 2 // Count all args after db and query
-
-		// Adjust connection ID index if we have positional params
-		if paramCount > 0 {
-			// Last parameter might be connID if it's a string
-			lastIdx := paramCount + 2 // db(1) + query(2) + paramCount
-			if state.IsString(lastIdx) && state.GetType(lastIdx-1) != state.GetType(lastIdx) {
-				connID = state.ToString(lastIdx)
-				paramCount-- // Exclude connID from param count
-			}
-		}
-
-		// Create array for positional parameters
-		positionalParams = make([]any, paramCount)
-
-		// Collect all parameters
-		for i := 0; i < paramCount; i++ {
-			paramIdx := i + 3 // Params start at index 3
-
-			// Convert to appropriate Go value
-			var value any
-			switch state.GetType(paramIdx) {
-			case luajit.TypeNumber:
-				value = state.ToNumber(paramIdx)
-			case luajit.TypeString:
-				value = state.ToString(paramIdx)
-			case luajit.TypeBoolean:
-				value = state.ToBoolean(paramIdx)
-			case luajit.TypeNil:
-				value = nil
-			default:
-				// Try to convert as generic value
-				var err error
-				value, err = state.ToValue(paramIdx)
-				if err != nil {
-					state.PushString(fmt.Sprintf("sqlite.exec: failed to convert parameter %d: %s", i+1, err.Error()))
-					return -1
-				}
-			}
-
-			positionalParams[i] = value
-		}
-	} else {
-		// Original named parameter table handling
-		if state.GetTop() >= 4 && !state.IsNil(4) && state.IsString(4) {
-			connID = state.ToString(4)
-		} else {
-			// Generate a temporary connection ID
-			connID = fmt.Sprintf("temp_%p", &query)
-		}
-	}
-
-	// Get parameters (optional for named parameters)
-	var params any
-	if !isPositional && state.GetTop() >= 3 && !state.IsNil(3) && state.IsTable(3) {
-		var err error
-		params, err = state.ToTable(3)
-		if err != nil {
-			state.PushString("sqlite.exec: failed to parse parameters: " + err.Error())
-			return -1
-		}
-	}
-
-	// Get connection
-	conn, pool, err := getConnection(dbName, connID)
-	if err != nil {
-		state.PushString("sqlite.exec: " + err.Error())
-		return -1
-	}
-
-	// For temporary connections, defer release
-	if strings.HasPrefix(connID, "temp_") {
-		defer func() {
-			// Release the connection
-			sqliteManager.mu.Lock()
-			delete(sqliteManager.activeConns, connID)
-			sqliteManager.mu.Unlock()
-
-			pool.Put(conn)
-		}()
-	}
-
-	// Count actual placeholders in the query
-	placeholderCount := strings.Count(query, "?")
-
-	// Prepare params based on type
-	namedParams, positional := prepareParams(params)
-
-	// If we have direct positional params from function args, use those
-	if isPositional {
-		positional = positionalParams
-	}
-
-	// Ensure we don't pass more parameters than placeholders
-	if positional != nil && len(positional) > placeholderCount {
-		positional = positional[:placeholderCount]
-	}
-
-	// Execute with appropriate parameter type
-	var execErr error
-
-	if isPositional || positional != nil {
-		// Execute with positional parameters
-		execOpts := &sqlitex.ExecOptions{
-			Args: positional,
-		}
-		execErr = sqlitex.Execute(conn, query, execOpts)
-	} else if namedParams != nil {
-		// Execute with named parameters
-		execOpts := &sqlitex.ExecOptions{
-			Named: namedParams,
-		}
-		execErr = sqlitex.Execute(conn, query, execOpts)
-	} else {
-		// Execute without parameters
-		execErr = sqlitex.ExecScript(conn, query)
-	}
-
-	if execErr != nil {
-		state.PushString("sqlite.exec: " + execErr.Error())
-		return -1
-	}
-
-	// Return number of affected rows
-	state.PushNumber(float64(conn.Changes()))
-	return 1
 }
 
 // RegisterSQLiteFunctions registers SQLite functions with the Lua state
@@ -632,10 +446,5 @@ func RegisterSQLiteFunctions(state *luajit.State) error {
 	if err := state.RegisterGoFunction("__sqlite_query", luaSQLQuery); err != nil {
 		return err
 	}
-
+	return state.RegisterGoFunction("__sqlite_exec", luaSQLExec)
-	if err := state.RegisterGoFunction("__sqlite_exec", luaSQLExec); err != nil {
-		return err
-	}
-
-	return nil
 }