/
cluster_groups.mapper.go
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/
cluster_groups.mapper.go
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//go:build linux && cgo && !agent
package cluster
// The code below was generated by lxd-generate - DO NOT EDIT!
import (
"context"
"database/sql"
"errors"
"fmt"
"net/http"
"strings"
"github.com/canonical/lxd/lxd/db/query"
"github.com/canonical/lxd/shared/api"
)
var _ = api.ServerEnvironment{}
var clusterGroupObjects = RegisterStmt(`
SELECT cluster_groups.id, cluster_groups.name, coalesce(cluster_groups.description, '')
FROM cluster_groups
ORDER BY cluster_groups.name
`)
var clusterGroupObjectsByName = RegisterStmt(`
SELECT cluster_groups.id, cluster_groups.name, coalesce(cluster_groups.description, '')
FROM cluster_groups
WHERE ( cluster_groups.name = ? )
ORDER BY cluster_groups.name
`)
var clusterGroupID = RegisterStmt(`
SELECT cluster_groups.id FROM cluster_groups
WHERE cluster_groups.name = ?
`)
var clusterGroupCreate = RegisterStmt(`
INSERT INTO cluster_groups (name, description)
VALUES (?, ?)
`)
var clusterGroupRename = RegisterStmt(`
UPDATE cluster_groups SET name = ? WHERE name = ?
`)
var clusterGroupDeleteByName = RegisterStmt(`
DELETE FROM cluster_groups WHERE name = ?
`)
var clusterGroupUpdate = RegisterStmt(`
UPDATE cluster_groups
SET name = ?, description = ?
WHERE id = ?
`)
// clusterGroupColumns returns a string of column names to be used with a SELECT statement for the entity.
// Use this function when building statements to retrieve database entries matching the ClusterGroup entity.
func clusterGroupColumns() string {
return "clusters_groups.id, clusters_groups.name, coalesce(clusters_groups.description, '')"
}
// getClusterGroups can be used to run handwritten sql.Stmts to return a slice of objects.
func getClusterGroups(ctx context.Context, stmt *sql.Stmt, args ...any) ([]ClusterGroup, error) {
objects := make([]ClusterGroup, 0)
dest := func(scan func(dest ...any) error) error {
c := ClusterGroup{}
err := scan(&c.ID, &c.Name, &c.Description)
if err != nil {
return err
}
objects = append(objects, c)
return nil
}
err := query.SelectObjects(ctx, stmt, dest, args...)
if err != nil {
return nil, fmt.Errorf("Failed to fetch from \"clusters_groups\" table: %w", err)
}
return objects, nil
}
// getClusterGroupsRaw can be used to run handwritten query strings to return a slice of objects.
func getClusterGroupsRaw(ctx context.Context, tx *sql.Tx, sql string, args ...any) ([]ClusterGroup, error) {
objects := make([]ClusterGroup, 0)
dest := func(scan func(dest ...any) error) error {
c := ClusterGroup{}
err := scan(&c.ID, &c.Name, &c.Description)
if err != nil {
return err
}
objects = append(objects, c)
return nil
}
err := query.Scan(ctx, tx, sql, dest, args...)
if err != nil {
return nil, fmt.Errorf("Failed to fetch from \"clusters_groups\" table: %w", err)
}
return objects, nil
}
// GetClusterGroups returns all available cluster_groups.
// generator: cluster_group GetMany
func GetClusterGroups(ctx context.Context, tx *sql.Tx, filters ...ClusterGroupFilter) ([]ClusterGroup, error) {
var err error
// Result slice.
objects := make([]ClusterGroup, 0)
// Pick the prepared statement and arguments to use based on active criteria.
var sqlStmt *sql.Stmt
args := []any{}
queryParts := [2]string{}
if len(filters) == 0 {
sqlStmt, err = Stmt(tx, clusterGroupObjects)
if err != nil {
return nil, fmt.Errorf("Failed to get \"clusterGroupObjects\" prepared statement: %w", err)
}
}
for i, filter := range filters {
if filter.Name != nil && filter.ID == nil {
args = append(args, []any{filter.Name}...)
if len(filters) == 1 {
sqlStmt, err = Stmt(tx, clusterGroupObjectsByName)
if err != nil {
return nil, fmt.Errorf("Failed to get \"clusterGroupObjectsByName\" prepared statement: %w", err)
}
break
}
query, err := StmtString(clusterGroupObjectsByName)
if err != nil {
return nil, fmt.Errorf("Failed to get \"clusterGroupObjects\" prepared statement: %w", err)
}
parts := strings.SplitN(query, "ORDER BY", 2)
if i == 0 {
copy(queryParts[:], parts)
continue
}
_, where, _ := strings.Cut(parts[0], "WHERE")
queryParts[0] += "OR" + where
} else if filter.ID == nil && filter.Name == nil {
return nil, fmt.Errorf("Cannot filter on empty ClusterGroupFilter")
} else {
return nil, fmt.Errorf("No statement exists for the given Filter")
}
}
// Select.
if sqlStmt != nil {
objects, err = getClusterGroups(ctx, sqlStmt, args...)
} else {
queryStr := strings.Join(queryParts[:], "ORDER BY")
objects, err = getClusterGroupsRaw(ctx, tx, queryStr, args...)
}
if err != nil {
return nil, fmt.Errorf("Failed to fetch from \"clusters_groups\" table: %w", err)
}
return objects, nil
}
// GetClusterGroup returns the cluster_group with the given key.
// generator: cluster_group GetOne
func GetClusterGroup(ctx context.Context, tx *sql.Tx, name string) (*ClusterGroup, error) {
filter := ClusterGroupFilter{}
filter.Name = &name
objects, err := GetClusterGroups(ctx, tx, filter)
if err != nil {
return nil, fmt.Errorf("Failed to fetch from \"clusters_groups\" table: %w", err)
}
switch len(objects) {
case 0:
return nil, api.StatusErrorf(http.StatusNotFound, "ClusterGroup not found")
case 1:
return &objects[0], nil
default:
return nil, fmt.Errorf("More than one \"clusters_groups\" entry matches")
}
}
// GetClusterGroupID return the ID of the cluster_group with the given key.
// generator: cluster_group ID
func GetClusterGroupID(ctx context.Context, tx *sql.Tx, name string) (int64, error) {
stmt, err := Stmt(tx, clusterGroupID)
if err != nil {
return -1, fmt.Errorf("Failed to get \"clusterGroupID\" prepared statement: %w", err)
}
row := stmt.QueryRowContext(ctx, name)
var id int64
err = row.Scan(&id)
if errors.Is(err, sql.ErrNoRows) {
return -1, api.StatusErrorf(http.StatusNotFound, "ClusterGroup not found")
}
if err != nil {
return -1, fmt.Errorf("Failed to get \"clusters_groups\" ID: %w", err)
}
return id, nil
}
// ClusterGroupExists checks if a cluster_group with the given key exists.
// generator: cluster_group Exists
func ClusterGroupExists(ctx context.Context, tx *sql.Tx, name string) (bool, error) {
_, err := GetClusterGroupID(ctx, tx, name)
if err != nil {
if api.StatusErrorCheck(err, http.StatusNotFound) {
return false, nil
}
return false, err
}
return true, nil
}
// RenameClusterGroup renames the cluster_group matching the given key parameters.
// generator: cluster_group Rename
func RenameClusterGroup(ctx context.Context, tx *sql.Tx, name string, to string) error {
stmt, err := Stmt(tx, clusterGroupRename)
if err != nil {
return fmt.Errorf("Failed to get \"clusterGroupRename\" prepared statement: %w", err)
}
result, err := stmt.Exec(to, name)
if err != nil {
return fmt.Errorf("Rename ClusterGroup failed: %w", err)
}
n, err := result.RowsAffected()
if err != nil {
return fmt.Errorf("Fetch affected rows failed: %w", err)
}
if n != 1 {
return fmt.Errorf("Query affected %d rows instead of 1", n)
}
return nil
}
// CreateClusterGroup adds a new cluster_group to the database.
// generator: cluster_group Create
func CreateClusterGroup(ctx context.Context, tx *sql.Tx, object ClusterGroup) (int64, error) {
// Check if a cluster_group with the same key exists.
exists, err := ClusterGroupExists(ctx, tx, object.Name)
if err != nil {
return -1, fmt.Errorf("Failed to check for duplicates: %w", err)
}
if exists {
return -1, api.StatusErrorf(http.StatusConflict, "This \"clusters_groups\" entry already exists")
}
args := make([]any, 2)
// Populate the statement arguments.
args[0] = object.Name
args[1] = object.Description
// Prepared statement to use.
stmt, err := Stmt(tx, clusterGroupCreate)
if err != nil {
return -1, fmt.Errorf("Failed to get \"clusterGroupCreate\" prepared statement: %w", err)
}
// Execute the statement.
result, err := stmt.Exec(args...)
if err != nil {
return -1, fmt.Errorf("Failed to create \"clusters_groups\" entry: %w", err)
}
id, err := result.LastInsertId()
if err != nil {
return -1, fmt.Errorf("Failed to fetch \"clusters_groups\" entry ID: %w", err)
}
return id, nil
}
// UpdateClusterGroup updates the cluster_group matching the given key parameters.
// generator: cluster_group Update
func UpdateClusterGroup(ctx context.Context, tx *sql.Tx, name string, object ClusterGroup) error {
id, err := GetClusterGroupID(ctx, tx, name)
if err != nil {
return err
}
stmt, err := Stmt(tx, clusterGroupUpdate)
if err != nil {
return fmt.Errorf("Failed to get \"clusterGroupUpdate\" prepared statement: %w", err)
}
result, err := stmt.Exec(object.Name, object.Description, id)
if err != nil {
return fmt.Errorf("Update \"clusters_groups\" entry failed: %w", err)
}
n, err := result.RowsAffected()
if err != nil {
return fmt.Errorf("Fetch affected rows: %w", err)
}
if n != 1 {
return fmt.Errorf("Query updated %d rows instead of 1", n)
}
return nil
}
// DeleteClusterGroup deletes the cluster_group matching the given key parameters.
// generator: cluster_group DeleteOne-by-Name
func DeleteClusterGroup(ctx context.Context, tx *sql.Tx, name string) error {
stmt, err := Stmt(tx, clusterGroupDeleteByName)
if err != nil {
return fmt.Errorf("Failed to get \"clusterGroupDeleteByName\" prepared statement: %w", err)
}
result, err := stmt.Exec(name)
if err != nil {
return fmt.Errorf("Delete \"clusters_groups\": %w", err)
}
n, err := result.RowsAffected()
if err != nil {
return fmt.Errorf("Fetch affected rows: %w", err)
}
if n == 0 {
return api.StatusErrorf(http.StatusNotFound, "ClusterGroup not found")
} else if n > 1 {
return fmt.Errorf("Query deleted %d ClusterGroup rows instead of 1", n)
}
return nil
}