db, json, time, term: change optional to result (#16201)

vlib/sqlite/orm.v

@@ -5,19 +5,19 @@ import time
 
 // sql expr
 
-pub fn (db DB) @select(config orm.SelectConfig, data orm.QueryData, where orm.QueryData) ?[][]orm.Primitive {
+pub fn (db DB) @select(config orm.SelectConfig, data orm.QueryData, where orm.QueryData) ![][]orm.Primitive {
 	// 1. Create query and bind necessary data
 	query := orm.orm_select_gen(config, '`', true, '?', 1, where)
 	$if trace_sqlite ? {
 		eprintln('> @select query: "$query"')
 	}
-	stmt := db.new_init_stmt(query)?
+	stmt := db.new_init_stmt(query)!
 	defer {
 		stmt.finalize()
 	}
 	mut c := 1
-	sqlite_stmt_binder(stmt, where, query, mut c)?
-	sqlite_stmt_binder(stmt, data, query, mut c)?
+	sqlite_stmt_binder(stmt, where, query, mut c)!
+	sqlite_stmt_binder(stmt, data, query, mut c)!
 
 	mut ret := [][]orm.Primitive{}
 
@@ -27,7 +27,7 @@ pub fn (db DB) @select(config orm.SelectConfig, data orm.QueryData, where orm.Qu
 		if step !in [sqlite_row, sqlite_ok, sqlite_done] {
 			return db.error_message(step, query)
 		}
-		count := stmt.sqlite_select_column(0, 8)?
+		count := stmt.sqlite_select_column(0, 8)!
 		ret << [count]
 		return ret
 	}
@@ -42,7 +42,7 @@ pub fn (db DB) @select(config orm.SelectConfig, data orm.QueryData, where orm.Qu
 		}
 		mut row := []orm.Primitive{}
 		for i, typ in config.types {
-			primitive := stmt.sqlite_select_column(i, typ)?
+			primitive := stmt.sqlite_select_column(i, typ)!
 			row << primitive
 		}
 		ret << row
@@ -52,20 +52,20 @@ pub fn (db DB) @select(config orm.SelectConfig, data orm.QueryData, where orm.Qu
 
 // sql stmt
 
-pub fn (db DB) insert(table string, data orm.QueryData) ? {
+pub fn (db DB) insert(table string, data orm.QueryData) ! {
 	query, converted_data := orm.orm_stmt_gen(table, '`', .insert, true, '?', 1, data,
 		orm.QueryData{})
-	sqlite_stmt_worker(db, query, converted_data, orm.QueryData{})?
+	sqlite_stmt_worker(db, query, converted_data, orm.QueryData{})!
 }
 
-pub fn (db DB) update(table string, data orm.QueryData, where orm.QueryData) ? {
+pub fn (db DB) update(table string, data orm.QueryData, where orm.QueryData) ! {
 	query, _ := orm.orm_stmt_gen(table, '`', .update, true, '?', 1, data, where)
-	sqlite_stmt_worker(db, query, data, where)?
+	sqlite_stmt_worker(db, query, data, where)!
 }
 
-pub fn (db DB) delete(table string, where orm.QueryData) ? {
+pub fn (db DB) delete(table string, where orm.QueryData) ! {
 	query, _ := orm.orm_stmt_gen(table, '`', .delete, true, '?', 1, orm.QueryData{}, where)
-	sqlite_stmt_worker(db, query, orm.QueryData{}, where)?
+	sqlite_stmt_worker(db, query, orm.QueryData{}, where)!
 }
 
 pub fn (db DB) last_id() orm.Primitive {
@@ -75,37 +75,37 @@ pub fn (db DB) last_id() orm.Primitive {
 }
 
 // table
-pub fn (db DB) create(table string, fields []orm.TableField) ? {
+pub fn (db DB) create(table string, fields []orm.TableField) ! {
 	query := orm.orm_table_gen(table, '`', true, 0, fields, sqlite_type_from_v, false) or {
 		return err
 	}
-	sqlite_stmt_worker(db, query, orm.QueryData{}, orm.QueryData{})?
+	sqlite_stmt_worker(db, query, orm.QueryData{}, orm.QueryData{})!
 }
 
-pub fn (db DB) drop(table string) ? {
+pub fn (db DB) drop(table string) ! {
 	query := 'DROP TABLE `$table`;'
-	sqlite_stmt_worker(db, query, orm.QueryData{}, orm.QueryData{})?
+	sqlite_stmt_worker(db, query, orm.QueryData{}, orm.QueryData{})!
 }
 
 // helper
 
 // Executes query and bind prepared statement data directly
-fn sqlite_stmt_worker(db DB, query string, data orm.QueryData, where orm.QueryData) ? {
+fn sqlite_stmt_worker(db DB, query string, data orm.QueryData, where orm.QueryData) ! {
 	$if trace_sqlite ? {
 		eprintln('> sqlite_stmt_worker query: "$query"')
 	}
-	stmt := db.new_init_stmt(query)?
+	stmt := db.new_init_stmt(query)!
 	defer {
 		stmt.finalize()
 	}
 	mut c := 1
-	sqlite_stmt_binder(stmt, data, query, mut c)?
-	sqlite_stmt_binder(stmt, where, query, mut c)?
-	stmt.orm_step(query)?
+	sqlite_stmt_binder(stmt, data, query, mut c)!
+	sqlite_stmt_binder(stmt, where, query, mut c)!
+	stmt.orm_step(query)!
 }
 
 // Binds all values of d in the prepared statement
-fn sqlite_stmt_binder(stmt Stmt, d orm.QueryData, query string, mut c &int) ? {
+fn sqlite_stmt_binder(stmt Stmt, d orm.QueryData, query string, mut c &int) ! {
 	for data in d.data {
 		err := bind(stmt, c, data)
 
@@ -143,7 +143,7 @@ fn bind(stmt Stmt, c &int, data orm.Primitive) int {
 }
 
 // Selects column in result and converts it to an orm.Primitive
-fn (stmt Stmt) sqlite_select_column(idx int, typ int) ?orm.Primitive {
+fn (stmt Stmt) sqlite_select_column(idx int, typ int) !orm.Primitive {
 	mut primitive := orm.Primitive(0)
 
 	if typ in orm.nums || typ == -1 {
@@ -165,7 +165,7 @@ fn (stmt Stmt) sqlite_select_column(idx int, typ int) ?orm.Primitive {
 }
 
 // Convert type int to sql type string
-fn sqlite_type_from_v(typ int) ?string {
+fn sqlite_type_from_v(typ int) !string {
 	return if typ in orm.nums || typ < 0 || typ in orm.num64 || typ == orm.time {
 		'INTEGER'
 	} else if typ in orm.float {