644 lines
14 KiB
Go
644 lines
14 KiB
Go
package bun
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"fmt"
|
|
"reflect"
|
|
"strings"
|
|
|
|
"github.com/uptrace/bun/dialect/feature"
|
|
"github.com/uptrace/bun/internal"
|
|
"github.com/uptrace/bun/schema"
|
|
)
|
|
|
|
type InsertQuery struct {
|
|
whereBaseQuery
|
|
returningQuery
|
|
customValueQuery
|
|
|
|
on schema.QueryWithArgs
|
|
setQuery
|
|
|
|
ignore bool
|
|
replace bool
|
|
}
|
|
|
|
var _ Query = (*InsertQuery)(nil)
|
|
|
|
func NewInsertQuery(db *DB) *InsertQuery {
|
|
q := &InsertQuery{
|
|
whereBaseQuery: whereBaseQuery{
|
|
baseQuery: baseQuery{
|
|
db: db,
|
|
conn: db.DB,
|
|
},
|
|
},
|
|
}
|
|
return q
|
|
}
|
|
|
|
func (q *InsertQuery) Conn(db IConn) *InsertQuery {
|
|
q.setConn(db)
|
|
return q
|
|
}
|
|
|
|
func (q *InsertQuery) Model(model interface{}) *InsertQuery {
|
|
q.setTableModel(model)
|
|
return q
|
|
}
|
|
|
|
// Apply calls the fn passing the SelectQuery as an argument.
|
|
func (q *InsertQuery) Apply(fn func(*InsertQuery) *InsertQuery) *InsertQuery {
|
|
return fn(q)
|
|
}
|
|
|
|
func (q *InsertQuery) With(name string, query schema.QueryAppender) *InsertQuery {
|
|
q.addWith(name, query)
|
|
return q
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
func (q *InsertQuery) Table(tables ...string) *InsertQuery {
|
|
for _, table := range tables {
|
|
q.addTable(schema.UnsafeIdent(table))
|
|
}
|
|
return q
|
|
}
|
|
|
|
func (q *InsertQuery) TableExpr(query string, args ...interface{}) *InsertQuery {
|
|
q.addTable(schema.SafeQuery(query, args))
|
|
return q
|
|
}
|
|
|
|
func (q *InsertQuery) ModelTableExpr(query string, args ...interface{}) *InsertQuery {
|
|
q.modelTableName = schema.SafeQuery(query, args)
|
|
return q
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
func (q *InsertQuery) Column(columns ...string) *InsertQuery {
|
|
for _, column := range columns {
|
|
q.addColumn(schema.UnsafeIdent(column))
|
|
}
|
|
return q
|
|
}
|
|
|
|
func (q *InsertQuery) ColumnExpr(query string, args ...interface{}) *InsertQuery {
|
|
q.addColumn(schema.SafeQuery(query, args))
|
|
return q
|
|
}
|
|
|
|
func (q *InsertQuery) ExcludeColumn(columns ...string) *InsertQuery {
|
|
q.excludeColumn(columns)
|
|
return q
|
|
}
|
|
|
|
// Value overwrites model value for the column.
|
|
func (q *InsertQuery) Value(column string, expr string, args ...interface{}) *InsertQuery {
|
|
if q.table == nil {
|
|
q.err = errNilModel
|
|
return q
|
|
}
|
|
q.addValue(q.table, column, expr, args)
|
|
return q
|
|
}
|
|
|
|
func (q *InsertQuery) Where(query string, args ...interface{}) *InsertQuery {
|
|
q.addWhere(schema.SafeQueryWithSep(query, args, " AND "))
|
|
return q
|
|
}
|
|
|
|
func (q *InsertQuery) WhereOr(query string, args ...interface{}) *InsertQuery {
|
|
q.addWhere(schema.SafeQueryWithSep(query, args, " OR "))
|
|
return q
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
// Returning adds a RETURNING clause to the query.
|
|
//
|
|
// To suppress the auto-generated RETURNING clause, use `Returning("")`.
|
|
func (q *InsertQuery) Returning(query string, args ...interface{}) *InsertQuery {
|
|
q.addReturning(schema.SafeQuery(query, args))
|
|
return q
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
// Ignore generates different queries depending on the DBMS:
|
|
// - On MySQL, it generates `INSERT IGNORE INTO`.
|
|
// - On PostgreSQL, it generates `ON CONFLICT DO NOTHING`.
|
|
func (q *InsertQuery) Ignore() *InsertQuery {
|
|
if q.db.fmter.HasFeature(feature.InsertOnConflict) {
|
|
return q.On("CONFLICT DO NOTHING")
|
|
}
|
|
if q.db.fmter.HasFeature(feature.InsertIgnore) {
|
|
q.ignore = true
|
|
}
|
|
return q
|
|
}
|
|
|
|
// Replaces generates a `REPLACE INTO` query (MySQL and MariaDB).
|
|
func (q *InsertQuery) Replace() *InsertQuery {
|
|
q.replace = true
|
|
return q
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
func (q *InsertQuery) Operation() string {
|
|
return "INSERT"
|
|
}
|
|
|
|
func (q *InsertQuery) AppendQuery(fmter schema.Formatter, b []byte) (_ []byte, err error) {
|
|
if q.err != nil {
|
|
return nil, q.err
|
|
}
|
|
|
|
fmter = formatterWithModel(fmter, q)
|
|
|
|
b, err = q.appendWith(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if q.replace {
|
|
b = append(b, "REPLACE "...)
|
|
} else {
|
|
b = append(b, "INSERT "...)
|
|
if q.ignore {
|
|
b = append(b, "IGNORE "...)
|
|
}
|
|
}
|
|
b = append(b, "INTO "...)
|
|
|
|
if q.db.features.Has(feature.InsertTableAlias) && !q.on.IsZero() {
|
|
b, err = q.appendFirstTableWithAlias(fmter, b)
|
|
} else {
|
|
b, err = q.appendFirstTable(fmter, b)
|
|
}
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
b, err = q.appendColumnsValues(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
b, err = q.appendOn(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if q.hasFeature(feature.InsertReturning) && q.hasReturning() {
|
|
b = append(b, " RETURNING "...)
|
|
b, err = q.appendReturning(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return b, nil
|
|
}
|
|
|
|
func (q *InsertQuery) appendColumnsValues(
|
|
fmter schema.Formatter, b []byte,
|
|
) (_ []byte, err error) {
|
|
if q.hasMultiTables() {
|
|
if q.columns != nil {
|
|
b = append(b, " ("...)
|
|
b, err = q.appendColumns(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
b = append(b, ")"...)
|
|
}
|
|
|
|
if q.hasFeature(feature.Output) && q.hasReturning() {
|
|
b = append(b, " OUTPUT "...)
|
|
b, err = q.appendOutput(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
b = append(b, " SELECT "...)
|
|
|
|
if q.columns != nil {
|
|
b, err = q.appendColumns(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
} else {
|
|
b = append(b, "*"...)
|
|
}
|
|
|
|
b = append(b, " FROM "...)
|
|
b, err = q.appendOtherTables(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return b, nil
|
|
}
|
|
|
|
if m, ok := q.model.(*mapModel); ok {
|
|
return m.appendColumnsValues(fmter, b), nil
|
|
}
|
|
if _, ok := q.model.(*mapSliceModel); ok {
|
|
return nil, fmt.Errorf("Insert(*[]map[string]interface{}) is not supported")
|
|
}
|
|
|
|
if q.model == nil {
|
|
return nil, errNilModel
|
|
}
|
|
|
|
// Build fields to populate RETURNING clause.
|
|
fields, err := q.getFields()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
b = append(b, " ("...)
|
|
b = q.appendFields(fmter, b, fields)
|
|
b = append(b, ")"...)
|
|
|
|
if q.hasFeature(feature.Output) && q.hasReturning() {
|
|
b = append(b, " OUTPUT "...)
|
|
b, err = q.appendOutput(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
b = append(b, " VALUES ("...)
|
|
|
|
switch model := q.tableModel.(type) {
|
|
case *structTableModel:
|
|
b, err = q.appendStructValues(fmter, b, fields, model.strct)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
case *sliceTableModel:
|
|
b, err = q.appendSliceValues(fmter, b, fields, model.slice)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
default:
|
|
return nil, fmt.Errorf("bun: Insert does not support %T", q.tableModel)
|
|
}
|
|
|
|
b = append(b, ')')
|
|
|
|
return b, nil
|
|
}
|
|
|
|
func (q *InsertQuery) appendStructValues(
|
|
fmter schema.Formatter, b []byte, fields []*schema.Field, strct reflect.Value,
|
|
) (_ []byte, err error) {
|
|
isTemplate := fmter.IsNop()
|
|
for i, f := range fields {
|
|
if i > 0 {
|
|
b = append(b, ", "...)
|
|
}
|
|
|
|
app, ok := q.modelValues[f.Name]
|
|
if ok {
|
|
b, err = app.AppendQuery(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
q.addReturningField(f)
|
|
continue
|
|
}
|
|
|
|
switch {
|
|
case isTemplate:
|
|
b = append(b, '?')
|
|
case (f.IsPtr && f.HasNilValue(strct)) || (f.NullZero && f.HasZeroValue(strct)):
|
|
if q.db.features.Has(feature.DefaultPlaceholder) {
|
|
b = append(b, "DEFAULT"...)
|
|
} else if f.SQLDefault != "" {
|
|
b = append(b, f.SQLDefault...)
|
|
} else {
|
|
b = append(b, "NULL"...)
|
|
}
|
|
q.addReturningField(f)
|
|
default:
|
|
b = f.AppendValue(fmter, b, strct)
|
|
}
|
|
}
|
|
|
|
for i, v := range q.extraValues {
|
|
if i > 0 || len(fields) > 0 {
|
|
b = append(b, ", "...)
|
|
}
|
|
|
|
b, err = v.value.AppendQuery(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return b, nil
|
|
}
|
|
|
|
func (q *InsertQuery) appendSliceValues(
|
|
fmter schema.Formatter, b []byte, fields []*schema.Field, slice reflect.Value,
|
|
) (_ []byte, err error) {
|
|
if fmter.IsNop() {
|
|
return q.appendStructValues(fmter, b, fields, reflect.Value{})
|
|
}
|
|
|
|
sliceLen := slice.Len()
|
|
for i := 0; i < sliceLen; i++ {
|
|
if i > 0 {
|
|
b = append(b, "), ("...)
|
|
}
|
|
el := indirect(slice.Index(i))
|
|
b, err = q.appendStructValues(fmter, b, fields, el)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return b, nil
|
|
}
|
|
|
|
func (q *InsertQuery) getFields() ([]*schema.Field, error) {
|
|
hasIdentity := q.db.features.Has(feature.Identity)
|
|
|
|
if len(q.columns) > 0 || q.db.features.Has(feature.DefaultPlaceholder) && !hasIdentity {
|
|
return q.baseQuery.getFields()
|
|
}
|
|
|
|
var strct reflect.Value
|
|
|
|
switch model := q.tableModel.(type) {
|
|
case *structTableModel:
|
|
strct = model.strct
|
|
case *sliceTableModel:
|
|
if model.sliceLen == 0 {
|
|
return nil, fmt.Errorf("bun: Insert(empty %T)", model.slice.Type())
|
|
}
|
|
strct = indirect(model.slice.Index(0))
|
|
default:
|
|
return nil, errNilModel
|
|
}
|
|
|
|
fields := make([]*schema.Field, 0, len(q.table.Fields))
|
|
|
|
for _, f := range q.table.Fields {
|
|
if hasIdentity && f.AutoIncrement {
|
|
q.addReturningField(f)
|
|
continue
|
|
}
|
|
if f.NotNull && f.SQLDefault == "" {
|
|
if (f.IsPtr && f.HasNilValue(strct)) || (f.NullZero && f.HasZeroValue(strct)) {
|
|
q.addReturningField(f)
|
|
continue
|
|
}
|
|
}
|
|
fields = append(fields, f)
|
|
}
|
|
|
|
return fields, nil
|
|
}
|
|
|
|
func (q *InsertQuery) appendFields(
|
|
fmter schema.Formatter, b []byte, fields []*schema.Field,
|
|
) []byte {
|
|
b = appendColumns(b, "", fields)
|
|
for i, v := range q.extraValues {
|
|
if i > 0 || len(fields) > 0 {
|
|
b = append(b, ", "...)
|
|
}
|
|
b = fmter.AppendIdent(b, v.column)
|
|
}
|
|
return b
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
func (q *InsertQuery) On(s string, args ...interface{}) *InsertQuery {
|
|
q.on = schema.SafeQuery(s, args)
|
|
return q
|
|
}
|
|
|
|
func (q *InsertQuery) Set(query string, args ...interface{}) *InsertQuery {
|
|
q.addSet(schema.SafeQuery(query, args))
|
|
return q
|
|
}
|
|
|
|
func (q *InsertQuery) appendOn(fmter schema.Formatter, b []byte) (_ []byte, err error) {
|
|
if q.on.IsZero() {
|
|
return b, nil
|
|
}
|
|
|
|
b = append(b, " ON "...)
|
|
b, err = q.on.AppendQuery(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if len(q.set) > 0 {
|
|
if fmter.HasFeature(feature.InsertOnDuplicateKey) {
|
|
b = append(b, ' ')
|
|
} else {
|
|
b = append(b, " SET "...)
|
|
}
|
|
|
|
b, err = q.appendSet(fmter, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
} else if q.onConflictDoUpdate() {
|
|
fields, err := q.getDataFields()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if len(fields) == 0 {
|
|
fields = q.tableModel.Table().DataFields
|
|
}
|
|
|
|
b = q.appendSetExcluded(b, fields)
|
|
} else if q.onDuplicateKeyUpdate() {
|
|
fields, err := q.getDataFields()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if len(fields) == 0 {
|
|
fields = q.tableModel.Table().DataFields
|
|
}
|
|
|
|
b = q.appendSetValues(b, fields)
|
|
}
|
|
|
|
if len(q.where) > 0 {
|
|
b = append(b, " WHERE "...)
|
|
|
|
b, err = appendWhere(fmter, b, q.where)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return b, nil
|
|
}
|
|
|
|
func (q *InsertQuery) onConflictDoUpdate() bool {
|
|
return strings.HasSuffix(strings.ToUpper(q.on.Query), " DO UPDATE")
|
|
}
|
|
|
|
func (q *InsertQuery) onDuplicateKeyUpdate() bool {
|
|
return strings.ToUpper(q.on.Query) == "DUPLICATE KEY UPDATE"
|
|
}
|
|
|
|
func (q *InsertQuery) appendSetExcluded(b []byte, fields []*schema.Field) []byte {
|
|
b = append(b, " SET "...)
|
|
for i, f := range fields {
|
|
if i > 0 {
|
|
b = append(b, ", "...)
|
|
}
|
|
b = append(b, f.SQLName...)
|
|
b = append(b, " = EXCLUDED."...)
|
|
b = append(b, f.SQLName...)
|
|
}
|
|
return b
|
|
}
|
|
|
|
func (q *InsertQuery) appendSetValues(b []byte, fields []*schema.Field) []byte {
|
|
b = append(b, " "...)
|
|
for i, f := range fields {
|
|
if i > 0 {
|
|
b = append(b, ", "...)
|
|
}
|
|
b = append(b, f.SQLName...)
|
|
b = append(b, " = VALUES("...)
|
|
b = append(b, f.SQLName...)
|
|
b = append(b, ")"...)
|
|
}
|
|
return b
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
func (q *InsertQuery) Exec(ctx context.Context, dest ...interface{}) (sql.Result, error) {
|
|
if q.table != nil {
|
|
if err := q.beforeInsertHook(ctx); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
if q.err != nil {
|
|
return nil, q.err
|
|
}
|
|
if err := q.beforeAppendModel(ctx, q); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
queryBytes, err := q.AppendQuery(q.db.fmter, q.db.makeQueryBytes())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
query := internal.String(queryBytes)
|
|
var res sql.Result
|
|
|
|
if hasDest := len(dest) > 0; hasDest ||
|
|
(q.hasReturning() && q.hasFeature(feature.InsertReturning|feature.Output)) {
|
|
model, err := q.getModel(dest)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
res, err = q.scan(ctx, q, query, model, hasDest)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
} else {
|
|
res, err = q.exec(ctx, q, query)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if err := q.tryLastInsertID(res, dest); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
if q.table != nil {
|
|
if err := q.afterInsertHook(ctx); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return res, nil
|
|
}
|
|
|
|
func (q *InsertQuery) beforeInsertHook(ctx context.Context) error {
|
|
if hook, ok := q.table.ZeroIface.(BeforeInsertHook); ok {
|
|
if err := hook.BeforeInsert(ctx, q); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (q *InsertQuery) afterInsertHook(ctx context.Context) error {
|
|
if hook, ok := q.table.ZeroIface.(AfterInsertHook); ok {
|
|
if err := hook.AfterInsert(ctx, q); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (q *InsertQuery) tryLastInsertID(res sql.Result, dest []interface{}) error {
|
|
if q.db.features.Has(feature.Returning) ||
|
|
q.db.features.Has(feature.Output) ||
|
|
q.table == nil ||
|
|
len(q.table.PKs) != 1 ||
|
|
!q.table.PKs[0].AutoIncrement {
|
|
return nil
|
|
}
|
|
|
|
id, err := res.LastInsertId()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if id == 0 {
|
|
return nil
|
|
}
|
|
|
|
model, err := q.getModel(dest)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
pk := q.table.PKs[0]
|
|
switch model := model.(type) {
|
|
case *structTableModel:
|
|
if err := pk.ScanValue(model.strct, id); err != nil {
|
|
return err
|
|
}
|
|
case *sliceTableModel:
|
|
sliceLen := model.slice.Len()
|
|
for i := 0; i < sliceLen; i++ {
|
|
strct := indirect(model.slice.Index(i))
|
|
if err := pk.ScanValue(strct, id); err != nil {
|
|
return err
|
|
}
|
|
id++
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|