sqlboiler/templates/14_upsert.tpl
Aaron L b0b0ff87c6 Fix MySQL return query optimization.
- Before, this could erroneously detect that it could do without the
  return query because it thought all we wanted was the id. Now with
  this fix it should properly discard the query when all we want is id.
2016-09-15 22:28:23 -07:00

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{{- $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 ne .DriverName "mysql"}}updateOnConflict bool, conflictColumns []string, {{end}}updateColumns []string, whitelist ...string) error {
return o.Upsert(boil.GetDB(), {{if ne .DriverName "mysql"}}updateOnConflict, conflictColumns, {{end}}updateColumns, whitelist...)
}
// UpsertGP attempts an insert, and does an update or ignore on conflict. Panics on error.
func (o *{{$tableNameSingular}}) UpsertGP({{if ne .DriverName "mysql"}}updateOnConflict bool, conflictColumns []string, {{end}}updateColumns []string, whitelist ...string) {
if err := o.Upsert(boil.GetDB(), {{if ne .DriverName "mysql"}}updateOnConflict, conflictColumns, {{end}}updateColumns, whitelist...); err != nil {
panic(boil.WrapErr(err))
}
}
// UpsertP attempts an insert using an executor, and does an update or ignore on conflict.
// UpsertP panics on error.
func (o *{{$tableNameSingular}}) UpsertP(exec boil.Executor, {{if ne .DriverName "mysql"}}updateOnConflict bool, conflictColumns []string, {{end}}updateColumns []string, whitelist ...string) {
if err := o.Upsert(exec, {{if ne .DriverName "mysql"}}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 *{{$tableNameSingular}}) Upsert(exec boil.Executor, {{if ne .DriverName "mysql"}}updateOnConflict bool, conflictColumns []string, {{end}}updateColumns []string, whitelist ...string) error {
if o == nil {
return errors.New("{{.PkgName}}: no {{.Table.Name}} provided for upsert")
}
{{- template "timestamp_upsert_helper" . }}
{{if not .NoHooks -}}
if err := o.doBeforeUpsertHooks(exec); err != nil {
return err
}
{{- end}}
nzDefaults := queries.NonZeroDefaultSet({{$varNameSingular}}ColumnsWithDefault, o)
// Build cache key in-line uglily - mysql vs postgres problems
buf := strmangle.GetBuffer()
{{if ne .DriverName "mysql" -}}
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]
{{$varNameSingular}}UpsertCacheMut.RUnlock()
var err error
if !cached {
var ret []string
whitelist, ret = strmangle.InsertColumnSet(
{{$varNameSingular}}Columns,
{{$varNameSingular}}ColumnsWithDefault,
{{$varNameSingular}}ColumnsWithoutDefault,
nzDefaults,
whitelist,
)
update := strmangle.UpdateColumnSet(
{{$varNameSingular}}Columns,
{{$varNameSingular}}PrimaryKeyColumns,
updateColumns,
)
{{if ne .DriverName "mysql" -}}
var conflict []string
if len(conflictColumns) == 0 {
conflict = make([]string, len({{$varNameSingular}}PrimaryKeyColumns))
copy(conflict, {{$varNameSingular}}PrimaryKeyColumns)
}
cache.query = queries.BuildUpsertQueryPostgres(dialect, "{{$schemaTable}}", updateOnConflict, ret, update, conflict, whitelist)
{{- else -}}
cache.query = queries.BuildUpsertQueryMySQL(dialect, "{{.Table.Name}}", update, whitelist)
cache.retQuery = fmt.Sprintf(
"SELECT %s FROM {{.LQ}}{{.Table.Name}}{{.RQ}} WHERE {{whereClause .LQ .RQ 0 .Table.PKey.Columns}}",
strings.Join(strmangle.IdentQuoteSlice(dialect.LQ, dialect.RQ, ret), ","),
)
{{- end}}
cache.valueMapping, err = queries.BindMapping({{$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))
values := 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, values)
}
{{- if .UseLastInsertID}}
result, err := exec.Exec(cache.query, values...)
if err != nil {
return errors.Wrap(err, "{{.PkgName}}: unable to upsert for {{.Table.Name}}")
}
var lastID int64
var identifierCols []interface{}
if len(cache.retMapping) == 0 {
goto CacheNoHooks
}
lastID, err = result.LastInsertId()
if err != nil {
return ErrSyncFail
}
if lastID != 0 {
{{- $colName := index .Table.PKey.Columns 0 -}}
{{- $col := .Table.GetColumn $colName -}}
{{- $colTitled := $colName | singular | titleCase}}
o.{{$colTitled}} = {{$col.Type}}(lastID)
identifierCols = []interface{}{lastID}
} else {
identifierCols = []interface{}{
{{range .Table.PKey.Columns -}}
o.{{. | singular | titleCase}},
{{end -}}
}
}
if lastID == 0 || len(cache.retMapping) != 1 || cache.retMapping[0] == {{$varNameSingular}}Mapping["{{$colTitled}}"] {
if boil.DebugMode {
fmt.Fprintln(boil.DebugWriter, cache.retQuery)
fmt.Fprintln(boil.DebugWriter, identifierCols...)
}
err = exec.QueryRow(cache.retQuery, identifierCols...).Scan(returns...)
if err != nil {
return errors.Wrap(err, "{{.PkgName}}: unable to populate default values for {{.Table.Name}}")
}
}
{{- else}}
if len(cache.retMapping) != 0 {
err = exec.QueryRow(cache.query, values...).Scan(returns...)
} else {
_, err = exec.Exec(cache.query, values...)
}
if err != nil {
return errors.Wrap(err, "{{.PkgName}}: unable to upsert for {{.Table.Name}}")
}
{{- end}}
{{if .UseLastInsertID -}}
CacheNoHooks:
{{end -}}
if !cached {
{{$varNameSingular}}UpsertCacheMut.Lock()
{{$varNameSingular}}UpsertCache[key] = cache
{{$varNameSingular}}UpsertCacheMut.Unlock()
}
{{if not .NoHooks -}}
return o.doAfterUpsertHooks(exec)
{{- else -}}
return nil
{{- end}}
}