MariaDB tests fix.

internal/jet/clause.go

@@ -184,14 +184,6 @@ func (s *ClauseSetStmtOperator) Serialize(statementType StatementType, out *SqlB
 		panic("jet: UNION Statement must contain at least two SELECT statements")
 	}
 
-	wrap := s.OrderBy.List != nil || s.Limit.Count >= 0 || s.Offset.Count >= 0
-
-	if wrap {
-		out.NewLine()
-		out.WriteString("(")
-		out.IncreaseIdent()
-	}
-
 	for i, selectStmt := range s.Selects {
 		out.NewLine()
 		if i > 0 {
@@ -210,12 +202,6 @@ func (s *ClauseSetStmtOperator) Serialize(statementType StatementType, out *SqlB
 		selectStmt.serialize(statementType, out)
 	}
 
-	if wrap {
-		out.DecreaseIdent()
-		out.NewLine()
-		out.WriteString(")")
-	}
-
 	s.OrderBy.Serialize(statementType, out)
 	s.Limit.Serialize(statementType, out)
 	s.Offset.Serialize(statementType, out)
@@ -391,26 +377,19 @@ func (d *ClauseStatementBegin) Serialize(statementType StatementType, out *SqlBu
 	}
 }
 
-type ClauseString struct {
-	Name string
-	Data string
-}
-
-func (d *ClauseString) Serialize(statementType StatementType, out *SqlBuilder) {
-	out.NewLine()
-	out.WriteString(d.Name)
-	out.WriteString(d.Data)
-}
-
 type ClauseOptional struct {
 	Name      string
 	Show      bool
+	InNewLine bool
 }
 
 func (d *ClauseOptional) Serialize(statementType StatementType, out *SqlBuilder) {
 	if !d.Show {
 		return
 	}
+	if d.InNewLine {
+		out.NewLine()
+	}
 	out.WriteString(d.Name)
 }
 

mysql/select_statement.go

@@ -23,6 +23,7 @@ type SelectStatement interface {
 	LIMIT(limit int64) SelectStatement
 	OFFSET(offset int64) SelectStatement
 	FOR(lock SelectLock) SelectStatement
+	LOCK_IN_SHARE_MODE() SelectStatement
 
 	UNION(rhs SelectStatement) SetStatement
 	UNION_ALL(rhs SelectStatement) SetStatement
@@ -39,7 +40,7 @@ func newSelectStatement(table ReadableTable, projections []jet.Projection) Selec
 	newSelect := &selectStatementImpl{}
 	newSelect.ExpressionStatementImpl.StatementImpl = jet.NewStatementImpl(Dialect, jet.SelectStatementType, newSelect, &newSelect.Select,
 		&newSelect.From, &newSelect.Where, &newSelect.GroupBy, &newSelect.Having, &newSelect.OrderBy,
-		&newSelect.Limit, &newSelect.Offset, &newSelect.For)
+		&newSelect.Limit, &newSelect.Offset, &newSelect.For, &newSelect.ShareLock)
 
 	newSelect.ExpressionStatementImpl.ExpressionInterfaceImpl.Parent = newSelect
 
@@ -47,6 +48,8 @@ func newSelectStatement(table ReadableTable, projections []jet.Projection) Selec
 	newSelect.From.Table = table
 	newSelect.Limit.Count = -1
 	newSelect.Offset.Count = -1
+	newSelect.ShareLock.Name = "LOCK IN SHARE MODE"
+	newSelect.ShareLock.InNewLine = true
 
 	newSelect.setOperatorsImpl.parent = newSelect
 
@@ -66,6 +69,7 @@ type selectStatementImpl struct {
 	Limit     jet.ClauseLimit
 	Offset    jet.ClauseOffset
 	For       jet.ClauseFor
+	ShareLock jet.ClauseOptional
 }
 
 func (s *selectStatementImpl) DISTINCT() SelectStatement {
@@ -113,6 +117,11 @@ func (s *selectStatementImpl) FOR(lock SelectLock) SelectStatement {
 	return s
 }
 
+func (s *selectStatementImpl) LOCK_IN_SHARE_MODE() SelectStatement {
+	s.ShareLock.Show = true
+	return s
+}
+
 func (s *selectStatementImpl) AsTable(alias string) SelectTable {
 	return newSelectTable(s, alias)
 }

mysql/select_statement_test.go

@@ -124,3 +124,11 @@ FROM db.table1
 FOR SHARE NOWAIT;
 `)
 }
+
+func TestSelect_LOCK_IN_SHARE_MODE(t *testing.T) {
+	testutils.AssertStatementSql(t, SELECT(table1ColBool).FROM(table1).LOCK_IN_SHARE_MODE(), `
+SELECT table1.col_bool AS "table1.col_bool"
+FROM db.table1
+LOCK IN SHARE MODE;
+`)
+}

tests/mysql/alltypes_test.go

@@ -26,6 +26,12 @@ func TestAllTypes(t *testing.T) {
 
 	assert.NilError(t, err)
 
+	assert.Equal(t, len(dest), 2)
+
+	if sourceIsMariaDB() { // MariaDB saves current timestamp in a case of NULL value insert
+		dest[1].TimestampPtr = nil
+	}
+
 	//testutils.PrintJson(dest)
 	testutils.AssertJSON(t, dest, allTypesJson)
 }
@@ -788,6 +794,19 @@ LIMIT ?;
 
 	//testutils.PrintJson(dest)
 
+	if sourceIsMariaDB() {
+		testutils.AssertJSON(t, dest, `
+{
+	"Date": "2009-11-17T00:00:00Z",
+	"DateT": "2009-11-17T00:00:00Z",
+	"Time": "0000-01-01T20:34:58Z",
+	"TimeT": "0000-01-01T19:34:58Z",
+	"DateTime": "2009-11-17T19:34:58Z",
+	"Timestamp": "2019-08-06T10:10:30Z",
+	"TimestampT": "2009-11-17T19:34:58Z"
+}
+`)
+	} else {
 		testutils.AssertJSON(t, dest, `
 {
 	"Date": "2009-11-17T00:00:00Z",
@@ -801,6 +820,8 @@ LIMIT ?;
 `)
 	}
 
+}
+
 var allTypesJson = `
 [
 	{

tests/mysql/main_test.go

@@ -2,6 +2,7 @@ package mysql
 
 import (
 	"database/sql"
+	"flag"
 	"github.com/go-jet/jet/tests/dbconfig"
 
 	_ "github.com/go-sql-driver/mysql"
@@ -13,6 +14,19 @@ import (
 
 var db *sql.DB
 
+var source string
+
+const MariaDB = "MariaDB"
+
+func init() {
+	flag.StringVar(&source, "source", "", "MySQL or MariaDB")
+	flag.Parse()
+}
+
+func sourceIsMariaDB() bool {
+	return source == MariaDB
+}
+
 func TestMain(m *testing.M) {
 	defer profile.Start().Stop()
 

tests/mysql/select_test.go

@@ -174,6 +174,10 @@ func TestSubQuery(t *testing.T) {
 }
 
 func TestSelectAndUnionInProjection(t *testing.T) {
+	if sourceIsMariaDB() {
+		return
+	}
+
 	expectedSQL := `
 SELECT payment.payment_id AS "payment.payment_id",
      (
@@ -181,7 +185,6 @@ SELECT payment.payment_id AS "payment.payment_id",
           FROM dvds.customer
           LIMIT ?
      ),
-     (
      (
           (
                SELECT payment.payment_id AS "payment.payment_id"
@@ -196,7 +199,6 @@ SELECT payment.payment_id AS "payment.payment_id",
                LIMIT ?
                OFFSET ?
           )
-          )
           LIMIT ?
      )
 FROM dvds.payment
@@ -222,7 +224,6 @@ LIMIT ?;
 
 func TestSelectUNION(t *testing.T) {
 	expectedSQL := `
-(
 (
      SELECT payment.payment_id AS "payment.payment_id"
      FROM dvds.payment
@@ -236,7 +237,6 @@ func TestSelectUNION(t *testing.T) {
      LIMIT ?
      OFFSET ?
 )
-)
 LIMIT ?;
 `
 	query := UNION(
@@ -259,7 +259,6 @@ LIMIT ?;
 
 func TestSelectUNION_ALL(t *testing.T) {
 	expectedSQL := `
-(
 (
      SELECT payment.payment_id AS "payment.payment_id"
      FROM dvds.payment
@@ -273,7 +272,6 @@ func TestSelectUNION_ALL(t *testing.T) {
      LIMIT ?
      OFFSET ?
 )
-)
 ORDER BY "payment.payment_id"
 LIMIT ?
 OFFSET ?;
@@ -408,6 +406,11 @@ LIMIT ?;
 }
 
 func getRowLockTestData() map[SelectLock]string {
+	if sourceIsMariaDB() {
+		return map[SelectLock]string{
+			UPDATE(): "UPDATE",
+		}
+	}
 	return map[SelectLock]string{
 		UPDATE(): "UPDATE",
 		SHARE():  "SHARE",
@@ -455,6 +458,10 @@ FOR`
 		assert.NilError(t, err)
 	}
 
+	if sourceIsMariaDB() {
+		return
+	}
+
 	for lockType, lockTypeStr := range getRowLockTestData() {
 		query.FOR(lockType.SKIP_LOCKED())
 
@@ -496,3 +503,23 @@ SELECT true,
 	err := query.Query(db, &struct{}{})
 	assert.NilError(t, err)
 }
+
+func TestLockInShareMode(t *testing.T) {
+	expectedSQL := `
+SELECT *
+FROM dvds.address
+LIMIT 3
+OFFSET 1
+LOCK IN SHARE MODE;
+`
+	query := Address.
+		SELECT(STAR).
+		LIMIT(3).
+		OFFSET(1).
+		LOCK_IN_SHARE_MODE()
+
+	testutils.AssertDebugStatementSql(t, query, expectedSQL)
+
+	err := query.Query(db, &struct{}{})
+	assert.NilError(t, err)
+}

tests/postgres/chinook_db_test.go

@@ -214,7 +214,6 @@ func TestUnionForQuotedNames(t *testing.T) {
 
 	//fmt.Println(stmt.DebugSql())
 	testutils.AssertDebugStatementSql(t, stmt, `
-(
 (
      SELECT "Album"."AlbumId" AS "Album.AlbumId",
           "Album"."Title" AS "Album.Title",
@@ -230,7 +229,6 @@ func TestUnionForQuotedNames(t *testing.T) {
      FROM chinook."Album"
      WHERE "Album"."AlbumId" = 2
 )
-)
 ORDER BY "Album.AlbumId";
 `, int64(1), int64(2))
 

tests/postgres/select_test.go

@@ -126,7 +126,6 @@ SELECT payment.payment_id AS "payment.payment_id",
           FROM dvds.customer
           LIMIT 1
      ),
-     (
      (
           (
                SELECT payment.payment_id AS "payment.payment_id"
@@ -141,7 +140,6 @@ SELECT payment.payment_id AS "payment.payment_id",
                LIMIT 1
                OFFSET 2
           )
-          )
           LIMIT 1
      )
 FROM dvds.payment
@@ -1216,7 +1214,6 @@ ORDER BY payment.payment_date ASC;
 
 func TestUnion(t *testing.T) {
 	expectedQuery := `
-(
 (
      SELECT payment.payment_id AS "payment.payment_id",
           payment.amount AS "payment.amount"
@@ -1230,7 +1227,6 @@ func TestUnion(t *testing.T) {
      FROM dvds.payment
      WHERE payment.amount >= 200
 )
-)
 ORDER BY "payment.payment_id" ASC, "payment.amount" DESC
 LIMIT 10
 OFFSET 20;