sqlboiler/templates/17_upsert.tpl
2016-09-18 16:41:04 -07:00

199 lines
6.4 KiB
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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
}
{{- $colName := index .Table.PKey.Columns 0 -}}
{{- $col := .Table.GetColumn $colName -}}
{{- $colTitled := $colName | singular | titleCase}}
{{if eq 1 (len .Table.PKey.Columns)}}
{{$cnames := .Table.Columns | filterColumnsByDefault true | columnNames}}
{{if setInclude $colName $cnames}}
o.{{$colTitled}} = {{$col.Type}}(lastID)
identifierCols = []interface{}{lastID}
{{end}}
{{else}}
identifierCols = []interface{}{
{{range .Table.PKey.Columns -}}
o.{{. | singular | titleCase}},
{{end -}}
}
{{end}}
if lastID == 0 || len(cache.retMapping) != 1 || cache.retMapping[0] == {{$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}}
}