NAME
    gcloud spanner databases ddl update - update the DDL for a Cloud Spanner
        database

SYNOPSIS
    gcloud spanner databases ddl update (DATABASE : --instance=INSTANCE)
        [--async] [--ddl=DDL] [--ddl-file=DDL_FILE] [GCLOUD_WIDE_FLAG ...]

DESCRIPTION
    Update the DDL for a Cloud Spanner database.

EXAMPLES
    To add a column to a table in the given Cloud Spanner database, run:

        $ gcloud spanner databases ddl update my-database-id \
            --instance=my-instance-id \
            --ddl='ALTER TABLE test_table ADD COLUMN a INT64'

POSITIONAL ARGUMENTS
     Database resource - The Cloud Spanner database of which the ddl to update.
     The arguments in this group can be used to specify the attributes of this
     resource. (NOTE) Some attributes are not given arguments in this group but
     can be set in other ways. To set the project attribute:
      ◆ provide the argument database on the command line with a fully
        specified name;
      ◆ provide the argument --project on the command line;
      ◆ set the property core/project.

     This must be specified.

       DATABASE
          ID of the database or fully qualified identifier for the database. To
          set the database attribute:
          ▸ provide the argument database on the command line.

          This positional argument must be specified if any of the other
          arguments in this group are specified.

       --instance=INSTANCE
          The Cloud Spanner instance for the database. To set the instance
          attribute:
          ▸ provide the argument database on the command line with a fully
            specified name;
          ▸ provide the argument --instance on the command line;
          ▸ set the property spanner/instance.

FLAGS
     --async
        Return immediately, without waiting for the operation in progress to
        complete.

     --ddl=DDL
        Semi-colon separated DDL (data definition language) statements to run
        inside the database. If a statement fails, all subsequent statements in
        the batch are automatically cancelled.

     --ddl-file=DDL_FILE
        Path of a file containing semi-colon separated DDL (data definition
        language) statements to run inside the database. If a statement fails,
        all subsequent statements in the batch are automatically cancelled. If
        --ddl_file is set, --ddl is ignored. One line comments starting with --
        are ignored.

GCLOUD WIDE FLAGS
    These flags are available to all commands: --access-token-file, --account,
    --billing-project, --configuration, --flags-file, --flatten, --format,
    --help, --impersonate-service-account, --log-http, --project, --quiet,
    --trace-token, --user-output-enabled, --verbosity.

    Run $ gcloud help for details.

NOTES
    These variants are also available:

        $ gcloud alpha spanner databases ddl update

        $ gcloud beta spanner databases ddl update