Jeffrey Smith
983d761bbe
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Co-authored-by: Jeffrey Smith <jasafpro@gmail.com> Co-committed-by: Jeffrey Smith <jasafpro@gmail.com>
36 lines
1.2 KiB
Go
36 lines
1.2 KiB
Go
package handlers
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import (
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"encoding/json"
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"log"
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)
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// ParseSchemaVersion extracts the schema_version from a package manifest.
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func ParseSchemaVersion(manifest any) int {
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switch m := manifest.(type) {
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case map[string]any:
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if v, ok := m["schema_version"].(float64); ok {
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return int(v)
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}
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case json.RawMessage:
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var s struct {
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SchemaVersion int `json:"schema_version"`
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}
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if err := json.Unmarshal(m, &s); err == nil {
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return s.SchemaVersion
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}
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}
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return 0
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}
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// RunSchemaMigrations logs a schema version change during package update.
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//
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// Only additive schema changes are supported: extensions can ADD columns and
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// tables via db_tables in the manifest, but cannot modify or delete existing
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// schema. If a migration between versions requires destructive changes,
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// uninstall and reinstall the package manually.
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func RunSchemaMigrations(ctx any, sandbox any, stores any, db any, isPostgres bool, packageID string, manifest any, fromVersion, toVersion int) error {
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log.Printf("[pkg-migrate] %s: schema version %d → %d (only additive changes are applied automatically; destructive migrations require manual uninstall/reinstall)", packageID, fromVersion, toVersion)
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return nil
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}
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