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Copilot
41 lines
1.2 KiB
Go
41 lines
1.2 KiB
Go
// Copyright 2026 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package v1_27
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import (
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"context"
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"gitea.dev/modelmigration/base"
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"xorm.io/xorm/schemas"
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)
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// AddCreatedUnixToActionUserIsDeletedIndex extends the c_u composite index on
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// the action table to include created_unix, enabling efficient ORDER BY on the
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// dashboard feed query without a full sort of all matching rows.
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func AddCreatedUnixToActionUserIsDeletedIndex(ctx context.Context, x base.EngineMigration) error {
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// xorm Sync cannot reliably update an index when another index already
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// covers the same columns in a different order (Equal() is order-insensitive).
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// Drop the old c_u index explicitly, then recreate it with the new column set.
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indexes, err := x.Dialect().GetIndexes(x.DB(), ctx, "action")
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if err != nil {
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return err
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}
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for _, idx := range indexes {
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if idx.Name == "c_u" {
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if _, err := x.Exec(x.Dialect().DropIndexSQL("action", idx)); err != nil {
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return err
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}
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break
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}
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}
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newIndex := schemas.NewIndex("c_u", schemas.IndexType)
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newIndex.AddColumn("user_id", "is_deleted", "created_unix")
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if _, err := x.Exec(x.Dialect().CreateIndexSQL("action", newIndex)); err != nil {
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return err
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}
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return nil
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}
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