56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
// Copyright © 2016 SurrealDB Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package db
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import (
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"context"
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"github.com/surrealdb/surrealdb/sql"
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"github.com/surrealdb/surrealdb/util/data"
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)
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func (e *executor) executeIfelse(ctx context.Context, stm *sql.IfelseStatement) (out []interface{}, err error) {
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val, err := e.fetchIfelse(ctx, stm, nil)
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if err != nil {
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return nil, err
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}
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switch val := val.(type) {
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case []interface{}:
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out = val
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case interface{}:
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out = append(out, val)
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}
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return
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}
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func (e *executor) fetchIfelse(ctx context.Context, stm *sql.IfelseStatement, doc *data.Doc) (interface{}, error) {
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for k, v := range stm.Cond {
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ife, err := e.fetch(ctx, v, doc)
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if err != nil {
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return nil, err
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}
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if calcAsBool(ife) {
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return e.fetch(ctx, stm.Then[k], doc)
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}
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}
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return e.fetch(ctx, stm.Else, doc)
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}
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