snapshot of https://github.com/sqlc-dev/sqlc.git (main, 2026-09-16; blobs > 131072B omitted)

internal/core/class.go

@@ -0,0 +1,78 @@
+package core
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/sqlc-dev/sqlc/internal/core/catalogdb"
+)
+
+func (c *Catalog) CreateClass(namespaceOID int64, name string, kind string) (int64, error) {
+	oid, err := c.q.CreateClass(context.Background(), catalogdb.CreateClassParams{
+		NamespaceOid: namespaceOID,
+		Name:         name,
+		Kind:         kind,
+	})
+	if err != nil {
+		return 0, fmt.Errorf("create class %q: %w", name, err)
+	}
+	return oid, nil
+}
+
+func (c *Catalog) ClassOID(namespaceOID int64, name string) (int64, error) {
+	oid, err := c.q.ClassOID(context.Background(), catalogdb.ClassOIDParams{
+		NamespaceOid: namespaceOID,
+		Name:         name,
+	})
+	if err != nil {
+		return 0, fmt.Errorf("class %q: %w", name, err)
+	}
+	return oid, nil
+}
+
+func (c *Catalog) ClassOIDByName(name string) (int64, error) {
+	oid, err := c.q.ClassOIDByName(context.Background(), name)
+	if err != nil {
+		return 0, fmt.Errorf("class %q: %w", name, err)
+	}
+	return oid, nil
+}
+
+func (c *Catalog) DropClass(classOID int64) error {
+	ctx := context.Background()
+	if err := c.q.DeleteAttributesByClass(ctx, classOID); err != nil {
+		return fmt.Errorf("drop class %d attributes: %w", classOID, err)
+	}
+	if err := c.q.DeleteClass(ctx, classOID); err != nil {
+		return fmt.Errorf("drop class %d: %w", classOID, err)
+	}
+	return nil
+}
+
+func (c *Catalog) RenameClass(classOID int64, name string) error {
+	err := c.q.RenameClass(context.Background(), catalogdb.RenameClassParams{
+		Oid:     classOID,
+		NewName: name,
+	})
+	if err != nil {
+		return fmt.Errorf("rename class %d: %w", classOID, err)
+	}
+	return nil
+}
+
+type ClassInfo struct {
+	OID  int64
+	Name string
+}
+
+func (c *Catalog) TablesInNamespace(namespaceOID int64) ([]ClassInfo, error) {
+	rows, err := c.q.ListTablesInNamespace(context.Background(), namespaceOID)
+	if err != nil {
+		return nil, fmt.Errorf("list tables in namespace %d: %w", namespaceOID, err)
+	}
+	out := make([]ClassInfo, 0, len(rows))
+	for _, r := range rows {
+		out = append(out, ClassInfo{OID: r.Oid, Name: r.Name})
+	}
+	return out, nil
+}