Collation in clause.OrderDef is now a string

It is now always quoted when writing the query

Author: stephenafamo

CHANGELOG.md

@@ -45,12 +45,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Updated error constant generation to employ specific error types for making error matching easier. (thanks @mbezhanov)
-- Fix random value generation for pq.Float64Array factory (thanks @felipeparaujo)
+- Collation in `clause.OrderDef` is now a string not an expression and is always quoted
 
 ### Removed
 
 - Remove redundatnt type parameters from `orm.ExecQuery`.
 
+### Fixed
+
+- Fix random value generation for pq.Float64Array factory (thanks @felipeparaujo)
+
 ## [v0.29.0] - 2024-11-20
 
 ### Added

clause/order_by.go

@@ -28,7 +28,7 @@ type OrderDef struct {
 	Expression any
 	Direction  string // ASC | DESC | USING operator
 	Nulls      string // FIRST | LAST
-	Collation  bob.Expression
+	Collation  string
 }
 
 func (o OrderDef) WriteSQL(ctx context.Context, w io.Writer, d bob.Dialect, start int) ([]any, error) {
@@ -37,11 +37,9 @@ func (o OrderDef) WriteSQL(ctx context.Context, w io.Writer, d bob.Dialect, star
 		return nil, err
 	}
 
-	if o.Collation != nil {
-		_, err = o.Collation.WriteSQL(ctx, w, d, start)
-		if err != nil {
-			return nil, err
-		}
+	if o.Collation != "" {
+		w.Write([]byte(" COLLATE "))
+		d.WriteQuoted(w, o.Collation)
 	}
 
 	if o.Direction != "" {

dialect/mysql/dialect/mods.go

@@ -2,7 +2,6 @@ package dialect
 
 import (
 	"context"
-	"fmt"
 	"io"
 
 	"github.com/stephenafamo/bob"
@@ -261,17 +260,6 @@ func (j JoinChain[Q]) Using(using ...string) bob.Mod[Q] {
 	return mods.Join[Q](jo)
 }
 
-type collation struct {
-	name string
-}
-
-func (c collation) WriteSQL(ctx context.Context, w io.Writer, d bob.Dialect, _ int) ([]any, error) {
-	if _, err := fmt.Fprintf(w, " COLLATE %s", c.name); err != nil {
-		return nil, err
-	}
-	return nil, nil
-}
-
 type OrderBy[Q interface{ AppendOrder(clause.OrderDef) }] func() clause.OrderDef
 
 func (s OrderBy[Q]) Apply(q Q) {
@@ -298,7 +286,7 @@ func (o OrderBy[Q]) Desc() OrderBy[Q] {
 
 func (o OrderBy[Q]) Collate(collationName string) OrderBy[Q] {
 	order := o()
-	order.Collation = collation{name: collationName}
+	order.Collation = collationName
 
 	return OrderBy[Q](func() clause.OrderDef {
 		return order

dialect/mysql/select_test.go

@@ -109,7 +109,7 @@ func TestSelect(t *testing.T) {
 				sm.From("users"),
 				sm.OrderBy("name").Collate("utf8mb4_bg_0900_as_cs").Asc(),
 			),
-			ExpectedSQL: "SELECT id, name FROM users ORDER BY name COLLATE utf8mb4_bg_0900_as_cs ASC",
+			ExpectedSQL: "SELECT id, name FROM users ORDER BY name COLLATE `utf8mb4_bg_0900_as_cs` ASC",
 		},
 	}
 

dialect/psql/dialect/mods.go

@@ -219,18 +219,6 @@ func (j CrossJoinChain[Q]) As(alias string, columns ...string) bob.Mod[Q] {
 	})
 }
 
-type collation struct {
-	name string
-}
-
-func (c collation) WriteSQL(ctx context.Context, w io.Writer, d bob.Dialect, _ int) ([]any, error) {
-	if _, err := w.Write([]byte(" COLLATE ")); err != nil {
-		return nil, err
-	}
-	d.WriteQuoted(w, c.name)
-	return nil, nil
-}
-
 type OrderBy[Q interface{ AppendOrder(clause.OrderDef) }] func() clause.OrderDef
 
 func (s OrderBy[Q]) Apply(q Q) {
@@ -284,7 +272,7 @@ func (o OrderBy[Q]) NullsLast() OrderBy[Q] {
 
 func (o OrderBy[Q]) Collate(collationName string) OrderBy[Q] {
 	order := o()
-	order.Collation = collation{name: collationName}
+	order.Collation = collationName
 
 	return OrderBy[Q](func() clause.OrderDef {
 		return order

dialect/sqlite/dialect/mods.go

@@ -2,7 +2,6 @@ package dialect
 
 import (
 	"context"
-	"fmt"
 	"io"
 
 	"github.com/stephenafamo/bob"
@@ -251,17 +250,6 @@ func CrossJoin[Q Joinable](e any) CrossJoinChain[Q] {
 	})
 }
 
-type collation struct {
-	name string
-}
-
-func (c collation) WriteSQL(ctx context.Context, w io.Writer, d bob.Dialect, _ int) ([]any, error) {
-	if _, err := fmt.Fprintf(w, " COLLATE %s", c.name); err != nil {
-		return nil, err
-	}
-	return nil, nil
-}
-
 type OrderBy[Q interface{ AppendOrder(clause.OrderDef) }] func() clause.OrderDef
 
 func (s OrderBy[Q]) Apply(q Q) {
@@ -270,7 +258,7 @@ func (s OrderBy[Q]) Apply(q Q) {
 
 func (o OrderBy[Q]) Collate(collationName string) OrderBy[Q] {
 	order := o()
-	order.Collation = &collation{name: collationName}
+	order.Collation = collationName
 
 	return OrderBy[Q](func() clause.OrderDef {
 		return order

dialect/sqlite/select_test.go

@@ -116,7 +116,7 @@ func TestSelect(t *testing.T) {
 				sm.From("users"),
 				sm.OrderBy("name").Collate("NOCASE").Asc(),
 			),
-			ExpectedSQL: `SELECT id, name FROM users ORDER BY name COLLATE NOCASE ASC`,
+			ExpectedSQL: `SELECT id, name FROM users ORDER BY name COLLATE "NOCASE" ASC`,
 		},
 		"with cross join": {
 			Query: sqlite.Select(