clair/database/pgsql/queries.go
2016-02-24 16:34:54 -05:00

259 lines
8.8 KiB
Go

// Copyright 2015 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pgsql
import (
"fmt"
"strconv"
)
var queries map[string]string
func init() {
queries = make(map[string]string)
queries["l_vulnerability_affects_featureversion"] = `LOCK Vulnerability_Affects_FeatureVersion IN SHARE ROW EXCLUSIVE MODE`
// keyvalue.go
queries["u_keyvalue"] = `UPDATE KeyValue SET value = $1 WHERE key = $2`
queries["i_keyvalue"] = `INSERT INTO KeyValue(key, value) VALUES($1, $2)`
queries["s_keyvalue"] = `SELECT value FROM KeyValue WHERE key = $1`
// namespace.go
queries["soi_namespace"] = `
WITH new_namespace AS (
INSERT INTO Namespace(name)
SELECT CAST($1 AS VARCHAR)
WHERE NOT EXISTS (SELECT name FROM Namespace WHERE name = $1)
RETURNING id
)
SELECT id FROM Namespace WHERE name = $1
UNION
SELECT id FROM new_namespace`
queries["l_namespace"] = `SELECT id, name FROM Namespace`
// feature.go
queries["soi_feature"] = `
WITH new_feature AS (
INSERT INTO Feature(name, namespace_id)
SELECT CAST($1 AS VARCHAR), CAST($2 AS INTEGER)
WHERE NOT EXISTS (SELECT id FROM Feature WHERE name = $1 AND namespace_id = $2)
RETURNING id
)
SELECT id FROM Feature WHERE name = $1 AND namespace_id = $2
UNION
SELECT id FROM new_feature`
queries["soi_featureversion"] = `
WITH new_featureversion AS (
INSERT INTO FeatureVersion(feature_id, version)
SELECT CAST($1 AS INTEGER), CAST($2 AS VARCHAR)
WHERE NOT EXISTS (SELECT id FROM FeatureVersion WHERE feature_id = $1 AND version = $2)
RETURNING id
)
SELECT 'exi', id FROM FeatureVersion WHERE feature_id = $1 AND version = $2
UNION
SELECT 'new', id FROM new_featureversion
`
queries["s_vulnerability_fixedin_feature"] = `
SELECT id, vulnerability_id, version FROM Vulnerability_FixedIn_Feature
WHERE feature_id = $1`
queries["i_vulnerability_affects_featureversion"] = `
INSERT INTO Vulnerability_Affects_FeatureVersion(vulnerability_id,
featureversion_id, fixedin_id) VALUES($1, $2, $3)`
// layer.go
queries["s_layer"] = `
SELECT l.id, l.name, l.engineversion, p.id, p.name, n.id, n.name
FROM Layer l
LEFT JOIN Layer p ON l.parent_id = p.id
LEFT JOIN Namespace n ON l.namespace_id = n.id
WHERE l.name = $1;`
queries["s_layer_featureversion"] = `
WITH RECURSIVE layer_tree(id, parent_id, depth, path, cycle) AS(
SELECT l.id, l.parent_id, 1, ARRAY[l.id], false
FROM Layer l
WHERE l.id = $1
UNION ALL
SELECT l.id, l.parent_id, lt.depth + 1, path || l.id, l.id = ANY(path)
FROM Layer l, layer_tree lt
WHERE l.id = lt.parent_id
)
SELECT ldf.featureversion_id, ldf.modification, fn.id, fn.name, f.id, f.name, fv.id, fv.version
FROM Layer_diff_FeatureVersion ldf
JOIN (
SELECT row_number() over (ORDER BY depth DESC), id FROM layer_tree
) AS ltree (ordering, id) ON ldf.layer_id = ltree.id, FeatureVersion fv, Feature f, Namespace fn
WHERE ldf.featureversion_id = fv.id AND fv.feature_id = f.id AND f.namespace_id = fn.id
ORDER BY ltree.ordering`
queries["s_featureversions_vulnerabilities"] = `
SELECT vafv.featureversion_id, v.id, v.name, v.description, v.link, v.severity, vn.name,
vfif.version
FROM Vulnerability_Affects_FeatureVersion vafv, Vulnerability v,
Namespace vn, Vulnerability_FixedIn_Feature vfif
WHERE vafv.featureversion_id = ANY($1::integer[])
AND vafv.vulnerability_id = v.id
AND vafv.fixedin_id = vfif.id
AND v.namespace_id = vn.id`
queries["i_layer"] = `
INSERT INTO Layer(name, engineversion, parent_id, namespace_id)
VALUES($1, $2, $3, $4) RETURNING id`
queries["u_layer"] = `UPDATE LAYER SET engineversion = $2, namespace_id = $3 WHERE id = $1`
queries["r_layer_diff_featureversion"] = `
DELETE FROM Layer_diff_FeatureVersion
WHERE layer_id = $1`
queries["i_layer_diff_featureversion"] = `
INSERT INTO Layer_diff_FeatureVersion(layer_id, featureversion_id, modification)
SELECT $1, fv.id, $2
FROM FeatureVersion fv
WHERE fv.id = ANY($3::integer[])`
queries["r_layer"] = `DELETE FROM Layer WHERE name = $1`
// lock.go
queries["i_lock"] = `INSERT INTO Lock(name, owner, until) VALUES($1, $2, $3)`
queries["f_lock"] = `SELECT owner, until FROM Lock WHERE name = $1`
queries["u_lock"] = `UPDATE Lock SET until = $3 WHERE name = $1 AND owner = $2`
queries["r_lock"] = `DELETE FROM Lock WHERE name = $1 AND owner = $2`
queries["r_lock_expired"] = `DELETE FROM LOCK WHERE until < CURRENT_TIMESTAMP`
// vulnerability.go
queries["f_vulnerability"] = `
SELECT v.id, n.id, v.description, v.link, v.severity, vfif.version, f.id, f.Name
FROM Vulnerability v
JOIN Namespace n ON v.namespace_id = n.id
LEFT JOIN Vulnerability_FixedIn_Feature vfif ON v.id = vfif.vulnerability_id
LEFT JOIN Feature f ON vfif.feature_id = f.id
WHERE n.Name = $1 AND v.Name = $2`
queries["i_vulnerability"] = `
INSERT INTO Vulnerability(namespace_id, name, description, link, severity)
VALUES($1, $2, $3, $4, $5)
RETURNING id`
queries["u_vulnerability"] = `
UPDATE Vulnerability SET description = $2, link = $3, severity = $4 WHERE id = $1`
queries["i_vulnerability_fixedin_feature"] = `
INSERT INTO Vulnerability_FixedIn_Feature(vulnerability_id, feature_id, version)
VALUES($1, $2, $3)
RETURNING id`
queries["u_vulnerability_fixedin_feature"] = `
UPDATE Vulnerability_FixedIn_Feature
SET version = $3
WHERE vulnerability_id = $1 AND feature_id = $2
RETURNING id`
queries["r_vulnerability_fixedin_feature"] = `
DELETE FROM Vulnerability_FixedIn_Feature
WHERE vulnerability_id = $1 AND feature_id = $2
RETURNING id`
queries["r_vulnerability_affects_featureversion"] = `
DELETE FROM Vulnerability_Affects_FeatureVersion
WHERE fixedin_id = $1`
queries["f_featureversion_by_feature"] = `
SELECT id, version FROM FeatureVersion WHERE feature_id = $1`
queries["r_vulnerability"] = `
DELETE FROM Vulnerability
WHERE namespace_id = (SELECT id FROM Namespace WHERE name = $1)
AND name = $2`
// notification.go
queries["i_notification"] = `
INSERT INTO Vulnerability_Notification(name, created_at, old_vulnerability, new_vulnerability)
VALUES($1, CURRENT_TIMESTAMP, $2, $3)`
queries["u_notification_notified"] = `
UPDATE Vulnerability_Notification
SET notified_at = CURRENT_TIMESTAMP
WHERE name = $1`
queries["r_notification"] = `
UPDATE Vulnerability_Notification
SET deleted_at = CURRENT_TIMESTAMP
WHERE name = $1`
queries["s_notification_available"] = `
SELECT id, name, created_at, notified_at, deleted_at
FROM Vulnerability_Notification
WHERE (notified_at IS NULL OR notified_at < $1)
AND deleted_at IS NULL
AND name NOT IN (SELECT name FROM Lock)
ORDER BY Random()
LIMIT 1`
queries["s_notification"] = `
SELECT id, name, created_at, notified_at, deleted_at, old_vulnerability, new_vulnerability
FROM Vulnerability_Notification
WHERE name = $1`
queries["s_notification_layer_introducing_vulnerability"] = `
SELECT l.ID, l.name
FROM Vulnerability v, Vulnerability_Affects_FeatureVersion vafv, FeatureVersion fv, Layer_diff_FeatureVersion ldfv, Layer l
WHERE v.id = $1
AND v.id = vafv.vulnerability_id
AND vafv.featureversion_id = fv.id
AND fv.id = ldfv.featureversion_id
AND ldfv.modification = 'add'
AND ldfv.layer_id = l.id
AND l.id >= $2
ORDER BY l.ID
LIMIT $3`
// complex_test.go
queries["s_complextest_featureversion_affects"] = `
SELECT v.name
FROM FeatureVersion fv
LEFT JOIN Vulnerability_Affects_FeatureVersion vaf ON fv.id = vaf.featureversion_id
JOIN Vulnerability v ON vaf.vulnerability_id = v.id
WHERE featureversion_id = $1`
}
func getQuery(name string) string {
if query, ok := queries[name]; ok {
return query
}
panic(fmt.Sprintf("pgsql: unknown query %v", name))
}
// buildInputArray constructs a PostgreSQL input array from the specified integers.
// Useful to use the `= ANY($1::integer[])` syntax that let us use a IN clause while using
// a single placeholder.
func buildInputArray(ints []int) string {
str := "{"
for i := 0; i < len(ints)-1; i++ {
str = str + strconv.Itoa(ints[i]) + ","
}
str = str + strconv.Itoa(ints[len(ints)-1]) + "}"
return str
}