Files
pgson/build/update.go

65 lines
1.4 KiB
Go

package build
import (
"fmt"
"log"
"sort"
"strings"
"git.secnex.io/secnex/pgson/schema"
"git.secnex.io/secnex/pgson/sql"
)
func Update(s *schema.Table, data map[string]any, where map[string]any) (*string, error) {
if err := sql.ValidateIdent(s.Name); err != nil {
return nil, err
}
if len(data) == 0 {
return nil, fmt.Errorf("no columns to update")
}
if len(where) == 0 {
return nil, fmt.Errorf("WHERE clause is required for UPDATE to prevent accidental updates")
}
var setParts []string
keys := make([]string, 0, len(data))
for k := range data {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
if err := sql.ValidateIdent(k); err != nil {
log.Printf("Invalid column identifier: %s", k)
return nil, err
}
setParts = append(setParts, fmt.Sprintf("%s = %s", sql.QuoteIdent(k), sql.QuoteValue(data[k])))
}
whereClause, err := sql.BuildWhereClause(where)
if err != nil {
return nil, err
}
ddl := fmt.Sprintf(sql.DML_UPDATE, sql.QuoteIdent(s.Name), strings.Join(setParts, ", "), whereClause)
return &ddl, nil
}
func UpdateDeletedAt(s *schema.Table, where map[string]any) (*string, error) {
if err := sql.ValidateIdent(s.Name); err != nil {
return nil, err
}
whereClause, err := sql.BuildWhereClause(where)
if err != nil {
return nil, err
}
ddl := fmt.Sprintf(sql.DML_UPDATE, sql.QuoteIdent(s.Name), "deleted_at = CURRENT_TIMESTAMP", whereClause)
return &ddl, nil
}