1 files changed, 345 insertions, 0 deletions
diff --git a/vendor/github.com/go-pg/pg/v10/orm/insert.go b/vendor/github.com/go-pg/pg/v10/orm/insert.go
new file mode 100644
index 000000000..a7a543576
--- /dev/null
+++ b/vendor/github.com/go-pg/pg/v10/orm/insert.go
@@ -0,0 +1,345 @@
+package orm
+
+import (
+	"fmt"
+	"reflect"
+	"sort"
+
+	"github.com/go-pg/pg/v10/types"
+)
+
+type InsertQuery struct {
+	q               *Query
+	returningFields []*Field
+	placeholder     bool
+}
+
+var _ QueryCommand = (*InsertQuery)(nil)
+
+func NewInsertQuery(q *Query) *InsertQuery {
+	return &InsertQuery{
+		q: q,
+	}
+}
+
+func (q *InsertQuery) String() string {
+	b, err := q.AppendQuery(defaultFmter, nil)
+	if err != nil {
+		panic(err)
+	}
+	return string(b)
+}
+
+func (q *InsertQuery) Operation() QueryOp {
+	return InsertOp
+}
+
+func (q *InsertQuery) Clone() QueryCommand {
+	return &InsertQuery{
+		q:           q.q.Clone(),
+		placeholder: q.placeholder,
+	}
+}
+
+func (q *InsertQuery) Query() *Query {
+	return q.q
+}
+
+var _ TemplateAppender = (*InsertQuery)(nil)
+
+func (q *InsertQuery) AppendTemplate(b []byte) ([]byte, error) {
+	cp := q.Clone().(*InsertQuery)
+	cp.placeholder = true
+	return cp.AppendQuery(dummyFormatter{}, b)
+}
+
+var _ QueryAppender = (*InsertQuery)(nil)
+
+func (q *InsertQuery) AppendQuery(fmter QueryFormatter, b []byte) (_ []byte, err error) {
+	if q.q.stickyErr != nil {
+		return nil, q.q.stickyErr
+	}
+
+	if len(q.q.with) > 0 {
+		b, err = q.q.appendWith(fmter, b)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	b = append(b, "INSERT INTO "...)
+	if q.q.onConflict != nil {
+		b, err = q.q.appendFirstTableWithAlias(fmter, b)
+	} else {
+		b, err = q.q.appendFirstTable(fmter, b)
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	b, err = q.appendColumnsValues(fmter, b)
+	if err != nil {
+		return nil, err
+	}
+
+	if q.q.onConflict != nil {
+		b = append(b, " ON CONFLICT "...)
+		b, err = q.q.onConflict.AppendQuery(fmter, b)
+		if err != nil {
+			return nil, err
+		}
+
+		if q.q.onConflictDoUpdate() {
+			if len(q.q.set) > 0 {
+				b, err = q.q.appendSet(fmter, b)
+				if err != nil {
+					return nil, err
+				}
+			} else {
+				fields, err := q.q.getDataFields()
+				if err != nil {
+					return nil, err
+				}
+
+				if len(fields) == 0 {
+					fields = q.q.tableModel.Table().DataFields
+				}
+
+				b = q.appendSetExcluded(b, fields)
+			}
+
+			if len(q.q.updWhere) > 0 {
+				b = append(b, " WHERE "...)
+				b, err = q.q.appendUpdWhere(fmter, b)
+				if err != nil {
+					return nil, err
+				}
+			}
+		}
+	}
+
+	if len(q.q.returning) > 0 {
+		b, err = q.q.appendReturning(fmter, b)
+		if err != nil {
+			return nil, err
+		}
+	} else if len(q.returningFields) > 0 {
+		b = appendReturningFields(b, q.returningFields)
+	}
+
+	return b, q.q.stickyErr
+}
+
+func (q *InsertQuery) appendColumnsValues(fmter QueryFormatter, b []byte) (_ []byte, err error) {
+	if q.q.hasMultiTables() {
+		if q.q.columns != nil {
+			b = append(b, " ("...)
+			b, err = q.q.appendColumns(fmter, b)
+			if err != nil {
+				return nil, err
+			}
+			b = append(b, ")"...)
+		}
+
+		b = append(b, " SELECT * FROM "...)
+		b, err = q.q.appendOtherTables(fmter, b)
+		if err != nil {
+			return nil, err
+		}
+
+		return b, nil
+	}
+
+	if m, ok := q.q.model.(*mapModel); ok {
+		return q.appendMapColumnsValues(b, m.m), nil
+	}
+
+	if !q.q.hasTableModel() {
+		return nil, errModelNil
+	}
+
+	fields, err := q.q.getFields()
+	if err != nil {
+		return nil, err
+	}
+
+	if len(fields) == 0 {
+		fields = q.q.tableModel.Table().Fields
+	}
+	value := q.q.tableModel.Value()
+
+	b = append(b, " ("...)
+	b = q.appendColumns(b, fields)
+	b = append(b, ") VALUES ("...)
+	if m, ok := q.q.tableModel.(*sliceTableModel); ok {
+		if m.sliceLen == 0 {
+			err = fmt.Errorf("pg: can't bulk-insert empty slice %s", value.Type())
+			return nil, err
+		}
+		b, err = q.appendSliceValues(fmter, b, fields, value)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		b, err = q.appendValues(fmter, b, fields, value)
+		if err != nil {
+			return nil, err
+		}
+	}
+	b = append(b, ")"...)
+
+	return b, nil
+}
+
+func (q *InsertQuery) appendMapColumnsValues(b []byte, m map[string]interface{}) []byte {
+	keys := make([]string, 0, len(m))
+
+	for k := range m {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+
+	b = append(b, " ("...)
+
+	for i, k := range keys {
+		if i > 0 {
+			b = append(b, ", "...)
+		}
+		b = types.AppendIdent(b, k, 1)
+	}
+
+	b = append(b, ") VALUES ("...)
+
+	for i, k := range keys {
+		if i > 0 {
+			b = append(b, ", "...)
+		}
+		if q.placeholder {
+			b = append(b, '?')
+		} else {
+			b = types.Append(b, m[k], 1)
+		}
+	}
+
+	b = append(b, ")"...)
+
+	return b
+}
+
+func (q *InsertQuery) appendValues(
+	fmter QueryFormatter, b []byte, fields []*Field, strct reflect.Value,
+) (_ []byte, err error) {
+	for i, f := range fields {
+		if i > 0 {
+			b = append(b, ", "...)
+		}
+
+		app, ok := q.q.modelValues[f.SQLName]
+		if ok {
+			b, err = app.AppendQuery(fmter, b)
+			if err != nil {
+				return nil, err
+			}
+			q.addReturningField(f)
+			continue
+		}
+
+		switch {
+		case q.placeholder:
+			b = append(b, '?')
+		case (f.Default != "" || f.NullZero()) && f.HasZeroValue(strct):
+			b = append(b, "DEFAULT"...)
+			q.addReturningField(f)
+		default:
+			b = f.AppendValue(b, strct, 1)
+		}
+	}
+
+	for i, v := range q.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 QueryFormatter, b []byte, fields []*Field, slice reflect.Value,
+) (_ []byte, err error) {
+	if q.placeholder {
+		return q.appendValues(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.appendValues(fmter, b, fields, el)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	for i, v := range q.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) addReturningField(field *Field) {
+	if len(q.q.returning) > 0 {
+		return
+	}
+	for _, f := range q.returningFields {
+		if f == field {
+			return
+		}
+	}
+	q.returningFields = append(q.returningFields, field)
+}
+
+func (q *InsertQuery) appendSetExcluded(b []byte, fields []*Field) []byte {
+	b = append(b, " SET "...)
+	for i, f := range fields {
+		if i > 0 {
+			b = append(b, ", "...)
+		}
+		b = append(b, f.Column...)
+		b = append(b, " = EXCLUDED."...)
+		b = append(b, f.Column...)
+	}
+	return b
+}
+
+func (q *InsertQuery) appendColumns(b []byte, fields []*Field) []byte {
+	b = appendColumns(b, "", fields)
+	for i, v := range q.q.extraValues {
+		if i > 0 || len(fields) > 0 {
+			b = append(b, ", "...)
+		}
+		b = types.AppendIdent(b, v.column, 1)
+	}
+	return b
+}
+
+func appendReturningFields(b []byte, fields []*Field) []byte {
+	b = append(b, " RETURNING "...)
+	b = appendColumns(b, "", fields)
+	return b
+}