sqlboiler/templates/17_upsert.tpl
2017-03-31 11:05:52 +03:00

233 lines
7.6 KiB
Smarty

{{- $tableNameSingular := .Table.Name | singular | titleCase -}}
{{- $varNameSingular := .Table.Name | singular | camelCase -}}
{{- $schemaTable := .Table.Name | .SchemaTable}}
// UpsertG attempts an insert, and does an update or ignore on conflict.
func (o *{{$tableNameSingular}}) UpsertG({{if eq .DriverName "postgres"}}updateOnConflict bool, conflictColumns []string, {{end}}updateColumns []string, whitelist ...string) error {
return o.Upsert(boil.GetDB(), {{if eq .DriverName "postgres"}}updateOnConflict, conflictColumns, {{end}}updateColumns, whitelist...)
}
// UpsertGP attempts an insert, and does an update or ignore on conflict. Panics on error.
func (o *{{$tableNameSingular}}) UpsertGP({{if eq .DriverName "postgres"}}updateOnConflict bool, conflictColumns []string, {{end}}updateColumns []string, whitelist ...string) {
if err := o.Upsert(boil.GetDB(), {{if eq .DriverName "postgres"}}updateOnConflict, conflictColumns, {{end}}updateColumns, whitelist...); err != nil {
panic(boil.WrapErr(err))
}
}
// UpsertP attempts an insert using an executor, and does an update or ignore on conflict.
// UpsertP panics on error.
func (o *{{$tableNameSingular}}) UpsertP(exec boil.Executor, {{if eq .DriverName "postgres"}}updateOnConflict bool, conflictColumns []string, {{end}}updateColumns []string, whitelist ...string) {
if err := o.Upsert(exec, {{if eq .DriverName "postgres"}}updateOnConflict, conflictColumns, {{end}}updateColumns, whitelist...); err != nil {
panic(boil.WrapErr(err))
}
}
// Upsert attempts an insert using an executor, and does an update or ignore on conflict.
func (o *{{$tableNameSingular}}) Upsert(exec boil.Executor, {{if eq .DriverName "postgres"}}updateOnConflict bool, conflictColumns []string, {{end}}updateColumns []string, whitelist ...string) error {
if o == nil {
return errors.New("{{.PkgName}}: no {{.Table.Name}} provided for upsert")
}
{{- template "timestamp_upsert_helper" . }}
{{if not .NoHooks -}}
if err := o.doBeforeUpsertHooks(exec); err != nil {
return err
}
{{- end}}
nzDefaults := queries.NonZeroDefaultSet({{$varNameSingular}}ColumnsWithDefault, o)
// Build cache key in-line uglily - mysql vs postgres problems
buf := strmangle.GetBuffer()
{{if eq .DriverName "postgres"}}
if updateOnConflict {
buf.WriteByte('t')
} else {
buf.WriteByte('f')
}
buf.WriteByte('.')
for _, c := range conflictColumns {
buf.WriteString(c)
}
buf.WriteByte('.')
{{end -}}
for _, c := range updateColumns {
buf.WriteString(c)
}
buf.WriteByte('.')
for _, c := range whitelist {
buf.WriteString(c)
}
buf.WriteByte('.')
for _, c := range nzDefaults {
buf.WriteString(c)
}
key := buf.String()
strmangle.PutBuffer(buf)
{{$varNameSingular}}UpsertCacheMut.RLock()
cache, cached := {{$varNameSingular}}UpsertCache[key]
{{$varNameSingular}}UpsertCacheMut.RUnlock()
var err error
if !cached {
insert, ret := strmangle.InsertColumnSet(
{{$varNameSingular}}Columns,
{{$varNameSingular}}ColumnsWithDefault,
{{$varNameSingular}}ColumnsWithoutDefault,
nzDefaults,
whitelist,
)
{{- if eq .DriverName "mssql"}}
insert = strmangle.SetComplement(insert, {{$varNameSingular}}ColumnsWithAuto)
for i, v := range insert {
if strmangle.ContainsAny({{$varNameSingular}}PrimaryKeyColumns, v) && strmangle.ContainsAny({{$varNameSingular}}ColumnsWithDefault, v) {
insert = append(insert[:i], insert[i+1:]...)
}
}
if len(insert) == 0 {
return errors.New("{{.PkgName}}: unable to upsert {{.Table.Name}}, could not build insert column list")
}
ret = strmangle.SetMerge(ret, {{$varNameSingular}}ColumnsWithAuto)
ret = strmangle.SetMerge(ret, {{$varNameSingular}}ColumnsWithDefault)
{{end -}}
update := strmangle.UpdateColumnSet(
{{$varNameSingular}}Columns,
{{$varNameSingular}}PrimaryKeyColumns,
updateColumns,
)
{{- if eq .DriverName "mssql"}}
update = strmangle.SetComplement(update, {{$varNameSingular}}ColumnsWithAuto)
{{end -}}
if len(update) == 0 {
return errors.New("{{.PkgName}}: unable to upsert {{.Table.Name}}, could not build update column list")
}
{{if eq .DriverName "postgres"}}
conflict := conflictColumns
if len(conflict) == 0 {
conflict = make([]string, len({{$varNameSingular}}PrimaryKeyColumns))
copy(conflict, {{$varNameSingular}}PrimaryKeyColumns)
}
cache.query = queries.BuildUpsertQueryPostgres(dialect, "{{$schemaTable}}", updateOnConflict, ret, update, conflict, insert)
{{else if eq .DriverName "mysql"}}
cache.query = queries.BuildUpsertQueryMySQL(dialect, "{{.Table.Name}}", update, insert)
cache.retQuery = fmt.Sprintf(
"SELECT %s FROM {{.LQ}}{{.Table.Name}}{{.RQ}} WHERE {{whereClause .LQ .RQ 0 .Table.PKey.Columns}}",
strings.Join(strmangle.IdentQuoteSlice(dialect.LQ, dialect.RQ, ret), ","),
)
{{else if eq .DriverName "mssql"}}
cache.query = queries.BuildUpsertQueryMSSQL(dialect, "{{.Table.Name}}", {{$varNameSingular}}PrimaryKeyColumns, update, insert, ret)
whitelist = append({{$varNameSingular}}PrimaryKeyColumns, update...)
whitelist = append(whitelist, insert...)
{{- end}}
cache.valueMapping, err = queries.BindMapping({{$varNameSingular}}Type, {{$varNameSingular}}Mapping, whitelist)
if err != nil {
return err
}
if len(ret) != 0 {
cache.retMapping, err = queries.BindMapping({{$varNameSingular}}Type, {{$varNameSingular}}Mapping, ret)
if err != nil {
return err
}
}
}
value := reflect.Indirect(reflect.ValueOf(o))
vals := queries.ValuesFromMapping(value, cache.valueMapping)
var returns []interface{}
if len(cache.retMapping) != 0 {
returns = queries.PtrsFromMapping(value, cache.retMapping)
}
if boil.DebugMode {
fmt.Fprintln(boil.DebugWriter, cache.query)
fmt.Fprintln(boil.DebugWriter, vals)
}
{{if .UseLastInsertID -}}
{{- $canLastInsertID := .Table.CanLastInsertID -}}
{{if $canLastInsertID -}}
result, err := exec.Exec(cache.query, vals...)
{{else -}}
_, err = exec.Exec(cache.query, vals...)
{{- end}}
if err != nil {
return errors.Wrap(err, "{{.PkgName}}: unable to upsert for {{.Table.Name}}")
}
{{if $canLastInsertID -}}
var lastID int64
{{- end}}
var identifierCols []interface{}
if len(cache.retMapping) == 0 {
goto CacheNoHooks
}
{{if $canLastInsertID -}}
lastID, err = result.LastInsertId()
if err != nil {
return ErrSyncFail
}
{{$colName := index .Table.PKey.Columns 0 -}}
{{- $col := .Table.GetColumn $colName -}}
{{- $colTitled := $colName | titleCase}}
o.{{$colTitled}} = {{$col.Type}}(lastID)
if lastID != 0 && len(cache.retMapping) == 1 && cache.retMapping[0] == {{$varNameSingular}}Mapping["{{$colTitled}}"] {
goto CacheNoHooks
}
{{- end}}
identifierCols = []interface{}{
{{range .Table.PKey.Columns -}}
o.{{. | titleCase}},
{{end -}}
}
if boil.DebugMode {
fmt.Fprintln(boil.DebugWriter, cache.retQuery)
fmt.Fprintln(boil.DebugWriter, identifierCols...)
}
err = exec.QueryRow(cache.retQuery, identifierCols...).Scan(returns...)
if err != nil {
return errors.Wrap(err, "{{.PkgName}}: unable to populate default values for {{.Table.Name}}")
}
{{- else}}
if len(cache.retMapping) != 0 {
err = exec.QueryRow(cache.query, vals...).Scan(returns...)
if err == sql.ErrNoRows {
err = nil // Postgres doesn't return anything when there's no update
}
} else {
_, err = exec.Exec(cache.query, vals...)
}
if err != nil {
return errors.Wrap(err, "{{.PkgName}}: unable to upsert {{.Table.Name}}")
}
{{- end}}
{{if .UseLastInsertID -}}
CacheNoHooks:
{{end -}}
if !cached {
{{$varNameSingular}}UpsertCacheMut.Lock()
{{$varNameSingular}}UpsertCache[key] = cache
{{$varNameSingular}}UpsertCacheMut.Unlock()
}
{{if not .NoHooks -}}
return o.doAfterUpsertHooks(exec)
{{- else -}}
return nil
{{- end}}
}