[BUG] Update statement reserved word not escaped

Update statement, using MODEL struct, now generates escaped SQL identifier if column name is reserved word.

internal/jet/clause.go

@@ -308,7 +308,7 @@ func (s *SetClause) Serialize(statementType StatementType, out *SQLBuilder, opti
 			panic("jet: nil column in columns list for SET clause")
 		}
 
-		out.WriteString(column.Name())
+		out.WriteIdentifier(column.Name())
 
 		out.WriteString(" = ")
 

internal/testutils/test_utils.go

@@ -90,7 +90,7 @@ func AssertJSONFile(t *testing.T, data interface{}, testRelativePath string) {
 // AssertStatementSql check if statement Sql() is the same as expectedQuery and expectedArgs
 func AssertStatementSql(t *testing.T, query jet.Statement, expectedQuery string, expectedArgs ...interface{}) {
 	queryStr, args := query.Sql()
-	require.Equal(t, queryStr, expectedQuery)
+	assertQueryString(t, queryStr, expectedQuery)
 
 	if len(expectedArgs) == 0 {
 		return
@@ -117,12 +117,7 @@ func AssertDebugStatementSql(t *testing.T, query jet.Statement, expectedQuery st
 	}
 
 	debuqSql := query.DebugSql()
-	if !assert.Equal(t, debuqSql, expectedQuery) {
-		fmt.Println("Expected: ")
-		fmt.Println(expectedQuery)
-		fmt.Println("Got: ")
-		fmt.Println(debuqSql)
-	}
+	assertQueryString(t, debuqSql, expectedQuery)
 }
 
 // AssertSerialize checks if clause serialize produces expected query and args
@@ -200,7 +195,7 @@ func AssertQueryPanicErr(t *testing.T, stmt jet.Statement, db qrm.DB, dest inter
 		require.Equal(t, r, errString)
 	}()
 
-	stmt.Query(db, dest)
+	_ = stmt.Query(db, dest)
 }
 
 // AssertFileContent check if file content at filePath contains expectedContent text.
@@ -229,7 +224,22 @@ func AssertFileNamesEqual(t *testing.T, fileInfos []os.FileInfo, fileNames ...st
 
 // AssertDeepEqual checks if actual and expected objects are deeply equal.
 func AssertDeepEqual(t *testing.T, actual, expected interface{}, msg ...string) {
-	require.True(t, cmp.Equal(actual, expected), msg)
+	if !assert.True(t, cmp.Equal(actual, expected), msg) {
+		printDiff(actual, expected)
+	}
+}
+
+func assertQueryString(t *testing.T, actual, expected string) {
+	if !assert.Equal(t, actual, expected) {
+		printDiff(actual, expected)
+	}
+}
+
+func printDiff(actual, expected interface{}) {
+	fmt.Println("Actual: ")
+	fmt.Println(actual)
+	fmt.Println("Expected: ")
+	fmt.Println(expected)
 }
 
 // BoolPtr returns address of bool parameter

mysql/update_statement_test.go

@@ -2,6 +2,7 @@ package mysql
 
 import (
 	"fmt"
+	"strings"
 	"testing"
 )
 
@@ -52,11 +53,29 @@ WHERE table1.col1 = ?;
 		).
 		WHERE(table1Col1.EQ(Int(2)))
 
-	//fmt.Println(stmt.Sql())
-
 	assertStatementSql(t, stmt, expectedSQL, int64(2))
 }
 
+func TestUpdateReservedWorldColumn(t *testing.T) {
+	type table struct {
+		Load string
+	}
+
+	loadColumn := StringColumn("Load")
+	assertStatementSql(t,
+		table1.UPDATE(loadColumn).
+			MODEL(
+				table{
+					Load: "foo",
+				},
+			).
+			WHERE(loadColumn.EQ(String("bar"))), strings.Replace(`
+UPDATE db.table1
+SET ''Load'' = ?
+WHERE ''Load'' = ?;
+`, "''", "`", -1), "foo", "bar")
+}
+
 func TestInvalidInputs(t *testing.T) {
 	assertStatementSqlErr(t, table1.UPDATE(table1ColInt).SET(1), "jet: WHERE clause not set")
 	assertStatementSqlErr(t, table1.UPDATE(nil).SET(1), "jet: nil column in columns list for SET clause")