// SqQueryColumns parses a sqlite query and generates a type for it.
func SqQueryColumns(args *internal.ArgType, inspect []string) ([]*models.Column, error) {
var err error
// create temporary view xoid
xoid := "_xo_" + internal.GenRandomID()
viewq := `CREATE TEMPORARY VIEW ` + xoid + ` AS ` + strings.Join(inspect, "\n")
models.XOLog(viewq)
_, err = args.DB.Exec(viewq)
if err != nil {
return nil, err
}
// load column information
return models.SqTableColumns(args.DB, xoid)
}
func init() {
internal.SchemaLoaders["sqlite3"] = internal.TypeLoader{
ProcessRelkind: SqRelkind,
ParamN: func(int) string { return "?" },
MaskFunc: func() string { return "?" },
ParseType: SqParseType,
TableList: func(db models.XODB, schema string, relkind string) ([]*models.Table, error) {
return models.SqTables(db, relkind)
},
ColumnList: func(db models.XODB, schema string, table string) ([]*models.Column, error) {
return models.SqTableColumns(db, table)
},
ForeignKeyList: func(db models.XODB, schema string, table string) ([]*models.ForeignKey, error) {
return models.SqTableForeignKeys(db, table)
},
IndexList: func(db models.XODB, schema string, table string) ([]*models.Index, error) {
return models.SqTableIndexes(db, table)
},
IndexColumnList: func(db models.XODB, schema string, table string, index string) ([]*models.IndexColumn, error) {
return models.SqIndexColumns(db, index)
},
QueryColumnList: SqQueryColumns,
}
}