sqlboiler/templates/08_insert.tpl
2016-08-04 13:55:25 +10:00

123 lines
4.9 KiB
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{{- $tableNameSingular := .Table.Name | singular | titleCase -}}
{{- $varNameSingular := .Table.Name | singular | camelCase -}}
// InsertG a single record. See Insert for whitelist behavior description.
func (o *{{$tableNameSingular}}) InsertG(whitelist ... string) error {
return o.Insert(boil.GetDB(), whitelist...)
}
// InsertGP a single record, and panics on error. See Insert for whitelist
// behavior description.
func (o *{{$tableNameSingular}}) InsertGP(whitelist ... string) {
if err := o.Insert(boil.GetDB(), whitelist...); err != nil {
panic(boil.WrapErr(err))
}
}
// InsertP a single record using an executor, and panics on error. See Insert
// for whitelist behavior description.
func (o *{{$tableNameSingular}}) InsertP(exec boil.Executor, whitelist ... string) {
if err := o.Insert(exec, whitelist...); err != nil {
panic(boil.WrapErr(err))
}
}
// Insert a single record using an executor.
// Whitelist behavior: If a whitelist is provided, only those columns supplied are inserted
// No whitelist behavior: Without a whitelist, columns are inferred by the following rules:
// - All columns without a default value are inferred (i.e. name, age)
// - All columns with a default, but non-zero are inferred (i.e. health = 75)
func (o *{{$tableNameSingular}}) Insert(exec boil.Executor, whitelist ... string) error {
if o == nil {
return errors.New("{{.PkgName}}: no {{.Table.Name}} provided for insertion")
}
wl, returnColumns := o.generateInsertColumns(whitelist...)
var err error
if err := o.doBeforeCreateHooks(); err != nil {
return err
}
ins := fmt.Sprintf(`INSERT INTO {{.Table.Name}} ("%s") VALUES (%s)`, strings.Join(wl, `","`), boil.GenerateParamFlags(len(wl), 1))
{{if driverUsesLastInsertID .DriverName}}
if len(returnColumns) != 0 {
result, err := exec.Exec(ins, boil.GetStructValues(o, wl...)...)
if err != nil {
return fmt.Errorf("{{.PkgName}}: unable to insert into {{.Table.Name}}: %s", err)
}
lastId, err := result.lastInsertId()
if err != nil || lastId == 0 {
sel := fmt.Sprintf(`SELECT %s FROM {{.Table.Name}} WHERE %s`, strings.Join(returnColumns, `","`), boil.WhereClause(wl))
rows, err := exec.Query(sel, boil.GetStructValues(o, wl...)...)
if err != nil {
return fmt.Errorf("{{.PkgName}}: unable to insert into {{.Table.Name}}: %s", err)
}
defer rows.Close()
i := 0
ptrs := boil.GetStructPointers(o, returnColumns...)
for rows.Next() {
if err := rows.Scan(ptrs[i]); err != nil {
return fmt.Errorf("{{.PkgName}}: unable to get result of insert, scan failed for column %s index %d: %s\n\n%#v", returnColumns[i], i, err, ptrs)
}
i++
}
} else if {{$varNameSingular}}AutoIncPrimKey != "" {
sel := fmt.Sprintf(`SELECT %s FROM {{.Table.Name}} WHERE %s=$1`, strings.Join(returnColumns, ","), {{$varNameSingular}}AutoIncPrimaryKey, lastId)
}
} else {
_, err = exec.Exec(ins, boil.GetStructValues(o, wl...)...)
}
{{else}}
if len(returnColumns) != 0 {
ins = ins + fmt.Sprintf(` RETURNING %s`, strings.Join(returnColumns, ","))
err = exec.QueryRow(ins, boil.GetStructValues(o, wl...)...).Scan(boil.GetStructPointers(o, returnColumns...)...)
} else {
_, err = exec.Exec(ins, {{.Table.Columns | columnNames | stringMap .StringFuncs.titleCase | prefixStringSlice "o." | join ", "}})
}
{{end}}
if boil.DebugMode {
fmt.Fprintln(boil.DebugWriter, ins, boil.GetStructValues(o, wl...))
}
if err != nil {
return fmt.Errorf("{{.PkgName}}: unable to insert into {{.Table.Name}}: %s", err)
}
if err := o.doAfterCreateHooks(); err != nil {
return err
}
return nil
}
// generateInsertColumns generates the whitelist columns and return columns for an insert statement
// the return columns are used to get values that are assigned within the database during the
// insert to keep the struct in sync with what's in the db.
// with a whitelist:
// - the whitelist is used for the insert columns
// - the return columns are the result of (columns with default values - the whitelist)
// without a whitelist:
// - start with columns without a default as these always need to be inserted
// - add all columns that have a default in the database but that are non-zero in the struct
// - the return columns are the result of (columns with default values - the previous set)
func (o *{{$tableNameSingular}}) generateInsertColumns(whitelist ...string) ([]string, []string) {
if len(whitelist) != 0 {
return whitelist, boil.SetComplement({{$varNameSingular}}ColumnsWithDefault, whitelist)
}
var wl []string
wl = append(wl, {{$varNameSingular}}ColumnsWithoutDefault...)
wl = append(boil.NonZeroDefaultSet({{$varNameSingular}}ColumnsWithDefault, o), wl...)
wl = boil.SortByKeys({{$varNameSingular}}Columns, wl)
// Only return the columns with default values that are not in the insert whitelist
rc := boil.SetComplement({{$varNameSingular}}ColumnsWithDefault, wl)
return wl, rc
}