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69 lines
1.9 KiB
69 lines
1.9 KiB
// Copyright 2017 clair authors
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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 keyvalue
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import (
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"database/sql"
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"time"
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log "github.com/sirupsen/logrus"
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"github.com/coreos/clair/database/pgsql/monitoring"
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"github.com/coreos/clair/database/pgsql/util"
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"github.com/coreos/clair/pkg/commonerr"
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)
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const (
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searchKeyValue = `SELECT value FROM KeyValue WHERE key = $1`
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upsertKeyValue = `
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INSERT INTO KeyValue(key, value)
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VALUES ($1, $2)
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ON CONFLICT ON CONSTRAINT keyvalue_key_key
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DO UPDATE SET key=$1, value=$2`
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)
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func UpdateKeyValue(tx *sql.Tx, key, value string) (err error) {
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if key == "" || value == "" {
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log.Warning("could not insert a flag which has an empty name or value")
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return commonerr.NewBadRequestError("could not insert a flag which has an empty name or value")
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}
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defer monitoring.ObserveQueryTime("PersistKeyValue", "all", time.Now())
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_, err = tx.Exec(upsertKeyValue, key, value)
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if err != nil {
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return util.HandleError("insertKeyValue", err)
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}
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return nil
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}
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func FindKeyValue(tx *sql.Tx, key string) (string, bool, error) {
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defer monitoring.ObserveQueryTime("FindKeyValue", "all", time.Now())
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var value string
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err := tx.QueryRow(searchKeyValue, key).Scan(&value)
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if err == sql.ErrNoRows {
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return "", false, nil
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}
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if err != nil {
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return "", false, util.HandleError("searchKeyValue", err)
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}
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return value, true, nil
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}
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