vfmt: change all '$expr' to '${expr}' (#16428)

vlib/mysql/orm.v

@@ -167,7 +167,7 @@ pub fn (db Connection) create(table string, fields []orm.TableField) ! {
 }
 
 pub fn (db Connection) drop(table string) ! {
-	query := 'DROP TABLE `$table`;'
+	query := 'DROP TABLE `${table}`;'
 	mysql_stmt_worker(db, query, orm.QueryData{}, orm.QueryData{})!
 }
 
@@ -336,7 +336,7 @@ fn mysql_type_from_v(typ int) !string {
 		}
 	}
 	if str == '' {
-		return error('Unknown type $typ')
+		return error('Unknown type ${typ}')
 	}
 	return str
 }
@@ -364,7 +364,7 @@ fn (db Connection) factory_orm_primitive_converted_from_sql(table string, data o
 }
 
 fn (db Connection) get_table_data_type_map(table string) !map[string]string {
-	data_type_querys := "SELECT COLUMN_NAME, DATA_TYPE  FROM INFORMATION_SCHEMA.COLUMNS  WHERE TABLE_NAME = '$table'"
+	data_type_querys := "SELECT COLUMN_NAME, DATA_TYPE  FROM INFORMATION_SCHEMA.COLUMNS  WHERE TABLE_NAME = '${table}'"
 	mut map_val := map[string]string{}
 
 	results := db.query(data_type_querys)!

vlib/mysql/result.v

@@ -122,26 +122,26 @@ pub fn (r Result) fields() []Field {
 pub fn (f Field) str() string {
 	return '
 {
-	name: "$f.name"
-	org_name: "$f.org_name"
-	table: "$f.table"
-	org_table: "$f.org_table"
-	db: "$f.db"
-	catalog: "$f.catalog"
-	def: "$f.def"
-	length: $f.length
-	max_length: $f.max_length
-	name_length: $f.name_length
-	org_name_length: $f.org_name_length
-	table_length: $f.table_length
-	org_table_length: $f.org_table_length
-	db_length: $f.db_length
-	catalog_length: $f.catalog_length
-	def_length: $f.def_length
-	flags: $f.flags
-	decimals: $f.decimals
-	charsetnr: $f.charsetnr
-	type: $f.type_.str()
+	name: "${f.name}"
+	org_name: "${f.org_name}"
+	table: "${f.table}"
+	org_table: "${f.org_table}"
+	db: "${f.db}"
+	catalog: "${f.catalog}"
+	def: "${f.def}"
+	length: ${f.length}
+	max_length: ${f.max_length}
+	name_length: ${f.name_length}
+	org_name_length: ${f.org_name_length}
+	table_length: ${f.table_length}
+	org_table_length: ${f.org_table_length}
+	db_length: ${f.db_length}
+	catalog_length: ${f.catalog_length}
+	def_length: ${f.def_length}
+	flags: ${f.flags}
+	decimals: ${f.decimals}
+	charsetnr: ${f.charsetnr}
+	type: ${f.type_.str()}
 }
 '
 }

vlib/mysql/stmt.c.v

@@ -140,7 +140,7 @@ fn (stmt Stmt) get_error_msg() string {
 pub fn (stmt Stmt) error(code int) IError {
 	msg := stmt.get_error_msg()
 	return &SQLError{
-		msg: '$msg ($code) ($stmt.query)'
+		msg: '${msg} (${code}) (${stmt.query})'
 		code: code
 	}
 }