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feat(db): add upstream_model column to usage_logs

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Add nullable VARCHAR(100) column to record the actual model sent to upstream providers when model mapping is applied. NULL means no mapping — the requested model was used as-is.

Includes migration, concurrent index for aggregation queries, Ent schema regeneration, and migration README correction (forward-only runner, not goose).
This commit is contained in:
Ethan0x0000
2026-03-17 19:25:17 +08:00
parent 045cba78b4
commit 51547fa216
14 changed files with 396 additions and 64 deletions
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16
backend/ent/usagelog.go
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@@ -32,6 +32,8 @@ type UsageLog struct {
RequestID string `json:"request_id,omitempty"`
// Model holds the value of the "model" field.
Model string `json:"model,omitempty"`
// UpstreamModel holds the value of the "upstream_model" field.
UpstreamModel *string `json:"upstream_model,omitempty"`
// GroupID holds the value of the "group_id" field.
GroupID *int64 `json:"group_id,omitempty"`
// SubscriptionID holds the value of the "subscription_id" field.
@@ -175,7 +177,7 @@ func (*UsageLog) scanValues(columns []string) ([]any, error) {
values[i] = new(sql.NullFloat64)
case usagelog.FieldID, usagelog.FieldUserID, usagelog.FieldAPIKeyID, usagelog.FieldAccountID, usagelog.FieldGroupID, usagelog.FieldSubscriptionID, usagelog.FieldInputTokens, usagelog.FieldOutputTokens, usagelog.FieldCacheCreationTokens, usagelog.FieldCacheReadTokens, usagelog.FieldCacheCreation5mTokens, usagelog.FieldCacheCreation1hTokens, usagelog.FieldBillingType, usagelog.FieldDurationMs, usagelog.FieldFirstTokenMs, usagelog.FieldImageCount:
values[i] = new(sql.NullInt64)
case usagelog.FieldRequestID, usagelog.FieldModel, usagelog.FieldUserAgent, usagelog.FieldIPAddress, usagelog.FieldImageSize, usagelog.FieldMediaType:
case usagelog.FieldRequestID, usagelog.FieldModel, usagelog.FieldUpstreamModel, usagelog.FieldUserAgent, usagelog.FieldIPAddress, usagelog.FieldImageSize, usagelog.FieldMediaType:
values[i] = new(sql.NullString)
case usagelog.FieldCreatedAt:
values[i] = new(sql.NullTime)
@@ -230,6 +232,13 @@ func (_m *UsageLog) assignValues(columns []string, values []any) error {
} else if value.Valid {
_m.Model = value.String
}
case usagelog.FieldUpstreamModel:
if value, ok := values[i].(*sql.NullString); !ok {
return fmt.Errorf("unexpected type %T for field upstream_model", values[i])
} else if value.Valid {
_m.UpstreamModel = new(string)
*_m.UpstreamModel = value.String
}
case usagelog.FieldGroupID:
if value, ok := values[i].(*sql.NullInt64); !ok {
return fmt.Errorf("unexpected type %T for field group_id", values[i])
@@ -477,6 +486,11 @@ func (_m *UsageLog) String() string {
builder.WriteString("model=")
builder.WriteString(_m.Model)
builder.WriteString(", ")
if v := _m.UpstreamModel; v != nil {
builder.WriteString("upstream_model=")
builder.WriteString(*v)
}
builder.WriteString(", ")
if v := _m.GroupID; v != nil {
builder.WriteString("group_id=")
builder.WriteString(fmt.Sprintf("%v", *v))