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Merged
VoidClancy merged 4 commits into from
Jul 9, 2026
Merged

Feat: Allow Pre-save hooks on the create operations #27

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abcdaed
Feat: Allow Pre-save hooks on the create operations
VoidClancy Jul 9, 2026
e4a8e9f
revert back to cuid
VoidClancy Jul 9, 2026
8ff9644
fix testCreateMany_hooks, using the unique query api instead of diale…
VoidClancy Jul 9, 2026
61b8209
Feat: add support to AfterCreate hook on createManyAndReturn
VoidClancy Jul 9, 2026
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63 changes: 0 additions & 63 deletions generator/generator_test.go
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This file was deleted.

39 changes: 12 additions & 27 deletions generator/templates/builders_create.gotpl
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Original file line number Diff line number Diff line change
Expand Up @@ -178,27 +178,18 @@ func executeInsert[M any](
}


func executeCreateMany[M any](
func executeCreateMany(
ctx context.Context,
q *Queries,
records []RecordInput,
rowMaps []map[string]any,
tableName string,
colOrder []string,
validateFn func([]FieldAssignment) error,
rowMapFn func([]RecordInput) []map[string]any,
singleCreateFn func(context.Context, []FieldAssignment) (*M, error),
) (int64, error) {
if len(records) == 0 {
if len(rowMaps) == 0 {
return 0, nil
}
for i, rec := range records {
if err := validateFn(rec.Assignments); err != nil {
return 0, fmt.Errorf("validation failed at index %d: %w", i, err)
}
}

if q.dialect.SupportsBulkInsert() {
rowMaps := rowMapFn(records)
query, vals := buildBulkInsertSQL(q.dialect, tableName, rowMaps, colOrder, nil)
res, err := q.exec(ctx, query, vals...)
if err != nil {
Expand All @@ -209,8 +200,9 @@ func executeCreateMany[M any](

var count int64
err := q.transaction(ctx, func(txQ *Queries) error {
for _, rec := range records {
_, err := singleCreateFn(ctx, rec.Assignments)
for _, rowMap := range rowMaps {
query, vals := buildBulkInsertSQL(txQ.dialect, tableName, []map[string]any{rowMap}, colOrder, nil)
_, err := txQ.exec(ctx, query, vals...)
if err != nil {
return err
}
Expand All @@ -224,33 +216,25 @@ func executeCreateMany[M any](
func executeCreateManyAndReturn[M any, S any, O any](
ctx context.Context,
q *Queries,
records []RecordInput,
rowMaps []map[string]any,
tableName string,
colOrder []string,
selects *S,
omits *O,
validateFn func([]FieldAssignment) error,
rowMapFn func([]RecordInput) []map[string]any,
selectColsFn func(*S, *O, ...string) []string,
loadRelationsFn func(context.Context, []*M, *S) error,
scanFunc func(*M, []string) []any,
singleCreateFn func(context.Context, []FieldAssignment) (*M, error),
hasRelationsFn func(*S) bool,
idCol string,
) ([]*M, error) {
if len(records) == 0 {
if len(rowMaps) == 0 {
return nil, nil
}
for i, rec := range records {
if err := validateFn(rec.Assignments); err != nil {
return nil, fmt.Errorf("validation failed at index %d: %w", i, err)
}
}

hasRelations := selects != nil && hasRelationsFn(selects)
returningCols := selectColsFn(selects, omits)

if q.dialect.SupportsBulkInsert() {
rowMaps := rowMapFn(records)
query, vals := buildBulkInsertSQL(q.dialect, tableName, rowMaps, colOrder, returningCols)
recordsOut := make([]*M, 0)
err := q.transaction(ctx, func(txQ *Queries) error {
Expand Down Expand Up @@ -282,8 +266,9 @@ func executeCreateManyAndReturn[M any, S any, O any](

recordsOut := make([]*M, 0)
err := q.transaction(ctx, func(txQ *Queries) error {
for _, rec := range records {
res, err := singleCreateFn(ctx, rec.Assignments)
for _, rowMap := range rowMaps {
cols, vals := mapToColsVals(rowMap, colOrder)
res, err := executeInsert(ctx, txQ, tableName, cols, vals, returningCols, idCol, scanFunc)
if err != nil {
return err
}
Expand Down
142 changes: 99 additions & 43 deletions generator/templates/model_create.gotpl
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Original file line number Diff line number Diff line change
Expand Up @@ -148,6 +148,64 @@ func assignmentsTo{{ .Model.Name }}Create(assignments []FieldAssignment) {{ .Mod
return input
}

func (s *{{ .Model.Name }}Create) ToRowMap() map[string]any {
m := make(map[string]any, {{ len .Model.ScalarFields }})
{{- range $field := .Model.ScalarFields }}
{{- $col := $field.EffectiveColName }}
{{- $fieldName := capitalize $field.Name }}
{{- if $field.EnumRef }}
{{- if $field.IsArray }}
if s.{{ $fieldName }} != nil {
m["{{ $col }}"] = s.{{ $fieldName }}
}
{{- else }}
if s.{{ $fieldName }} != nil {
m["{{ $col }}"] = *s.{{ $fieldName }}
}
{{- end }}
{{- else if $field.IsArray }}
if s.{{ $fieldName }} != nil {
m["{{ $col }}"] = s.{{ $fieldName }}
}
{{- else }}
{{- if and $field.Default (eq $field.Default.Kind.String "Func") }}
{{- if eq $field.Default.FuncName "autoincrement" }}
if s.{{ $fieldName }} != nil {
m["{{ $col }}"] = *s.{{ $fieldName }}
}
{{- else }}
if s.{{ $fieldName }} != nil {
m["{{ $col }}"] = *s.{{ $fieldName }}
} else {
{{- if eq $field.Default.FuncName "cuid" }}
m["{{ $col }}"] = generateCUID()
{{- else if eq $field.Default.FuncName "uuid" }}
m["{{ $col }}"] = generateUUID()
{{- else if eq $field.Default.FuncName "now" }}
m["{{ $col }}"] = time.Now()
{{- end }}
}
{{- end }}
{{- else if or $field.Optional (ne $field.Default nil) }}
if s.{{ $fieldName }} != nil {
m["{{ $col }}"] = *s.{{ $fieldName }}
}
{{- else }}
{{- if and $field.IsID (eq $field.GoType "string") }}
if s.{{ $fieldName }} != "" {
m["{{ $col }}"] = s.{{ $fieldName }}
} else {
m["{{ $col }}"] = generateCUID()
}
{{- else }}
m["{{ $col }}"] = s.{{ $fieldName }}
{{- end }}
{{- end }}
{{- end }}
{{- end }}
return m
}

func (q *Queries) execute{{ .Model.Name }}Create(ctx context.Context, assignments []FieldAssignment, selects *{{ .Model.Name }}Select, omits *{{ .Model.Name }}Omit) (*{{ .Model.Name }}, error) {
input := assignmentsTo{{ .Model.Name }}Create(assignments)

Expand Down Expand Up @@ -266,36 +324,6 @@ func (q *Queries) execute{{ .Model.Name }}Create(ctx context.Context, assignment
return res, nil
}

func {{ lowercase .Model.Name }}RecordsToRowMaps(records []RecordInput) []map[string]any {
rowMaps := make([]map[string]any, len(records))
for i, rec := range records {
m := make(map[string]any, len(rec.Assignments))
for _, a := range rec.Assignments {
m[a.Col] = a.Val
}
{{- range $field := .Model.ScalarFields }}
{{- $col := $field.EffectiveColName }}
{{- if and $field.Default (eq $field.Default.Kind.String "Func") }}
if _, ok := m["{{ $col }}"]; !ok {
{{- if eq $field.Default.FuncName "cuid" }}
m["{{ $col }}"] = generateCUID()
{{- else if eq $field.Default.FuncName "uuid" }}
m["{{ $col }}"] = generateUUID()
{{- else if eq $field.Default.FuncName "now" }}
m["{{ $col }}"] = time.Now()
{{- end }}
}
{{- else if and $field.IsID (eq $field.GoType "string") }}
if _, ok := m["{{ $col }}"]; !ok {
m["{{ $col }}"] = generateCUID()
}
{{- end }}
{{- end }}
rowMaps[i] = m
}
return rowMaps
}

func (d *{{ .Model.Name }}Delegate) CreateMany(records ...RecordInput) *CreateManyBuilder[{{ .Model.Name }}] {
return &CreateManyBuilder[{{ .Model.Name }}]{
client: d.client,
Expand All @@ -313,25 +341,53 @@ func (d *{{ .Model.Name }}Delegate) CreateManyAndReturn(records ...RecordInput)
}

func (q *Queries) execute{{ .Model.Name }}CreateMany(ctx context.Context, records []RecordInput) (int64, error) {
return executeCreateMany(ctx, q, records, "{{ .Model.EffectiveTableName }}", {{ .Model.Name }}ColOrder,
validate{{ .Model.Name }}Create,
{{ lowercase .Model.Name }}RecordsToRowMaps,
func(ctx context.Context, assignments []FieldAssignment) (*{{ .Model.Name }}, error) {
return q.execute{{ .Model.Name }}Create(ctx, assignments, nil, nil)
},
)
rowMaps := make([]map[string]any, len(records))
for i, rec := range records {
if err := validate{{ .Model.Name }}Create(rec.Assignments); err != nil {
return 0, fmt.Errorf("validation failed at index %d: %w", i, err)
}
input := assignmentsTo{{ .Model.Name }}Create(rec.Assignments)
if q.{{ .Model.Name }}.beforeCreate != nil {
if err := q.{{ .Model.Name }}.beforeCreate(ctx, &input); err != nil {
return 0, err
}
}
rowMaps[i] = input.ToRowMap()
}
return executeCreateMany(ctx, q, rowMaps, "{{ .Model.EffectiveTableName }}", {{ .Model.Name }}ColOrder)
}

func (q *Queries) execute{{ .Model.Name }}CreateManyAndReturn(ctx context.Context, records []RecordInput, selects *{{ .Model.Name }}Select, omits *{{ .Model.Name }}Omit) ([]*{{ .Model.Name }}, error) {
return executeCreateManyAndReturn(ctx, q, records, "{{ .Model.EffectiveTableName }}", {{ .Model.Name }}ColOrder, selects, omits,
validate{{ .Model.Name }}Create,
{{ lowercase .Model.Name }}RecordsToRowMaps,
rowMaps := make([]map[string]any, len(records))
idCol := "{{ range $field := .Model.ScalarFields }}{{ if $field.IsID }}{{ $field.EffectiveColName }}{{ end }}{{ end }}"
for i, rec := range records {
if err := validate{{ .Model.Name }}Create(rec.Assignments); err != nil {
return nil, fmt.Errorf("validation failed at index %d: %w", i, err)
}
input := assignmentsTo{{ .Model.Name }}Create(rec.Assignments)
if q.{{ .Model.Name }}.beforeCreate != nil {
if err := q.{{ .Model.Name }}.beforeCreate(ctx, &input); err != nil {
return nil, err
}
}
rowMaps[i] = input.ToRowMap()
}
results, err := executeCreateManyAndReturn(ctx, q, rowMaps, "{{ .Model.EffectiveTableName }}", {{ .Model.Name }}ColOrder, selects, omits,
q.select{{ .Model.Name }}Cols,
q.load{{ .Model.Name }}Relations,
(*{{ .Model.Name }}).ScanFields,
func(ctx context.Context, assignments []FieldAssignment) (*{{ .Model.Name }}, error) {
return q.execute{{ .Model.Name }}Create(ctx, assignments, nil, nil)
},
(*{{ .Model.Name }}Select).hasAnyRelation,
idCol,
)
if err != nil {
return nil, err
}
if q.{{ .Model.Name }}.afterCreate != nil {
for _, r := range results {
if err := q.{{ .Model.Name }}.afterCreate(ctx, r); err != nil {
return nil, err
}
}
}
return results, nil
}
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