44 lines
1.2 KiB
Go
44 lines
1.2 KiB
Go
// Copyright © 2016 Abcum 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/abcum/surreal/sql"
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)
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func (e *executor) executeReturnStatement(ctx context.Context, ast *sql.ReturnStatement) (out []interface{}, err error) {
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switch what := ast.What.(type) {
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default:
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out = append(out, what)
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case *sql.Void:
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// Ignore
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case *sql.Empty:
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// Ignore
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case *sql.Null: // Specifically asked for null
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out = append(out, nil)
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case *sql.Ident: // Return does not have columns.
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out = append(out, nil)
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case *sql.Value: // Specifically asked for a string.
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out = append(out, what.ID)
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case *sql.Param: // Let's get the value of the param.
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out = append(out, e.get(what.ID))
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}
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return
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}
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