NAME
    gcloud alpha spanner migrate data - migrate data from a source database to
        Cloud Spanner given a schema

SYNOPSIS
    gcloud alpha spanner migrate data --session=SESSION --source=SOURCE
        --target-profile=TARGET_PROFILE [--dry-run] [--log-level=LOG_LEVEL]
        [--prefix=PREFIX] [--skip-foreign-keys]
        [--source-profile=SOURCE_PROFILE] [--target=TARGET]
        [--write-limit=WRITE_LIMIT] [GCLOUD_WIDE_FLAG ...]

DESCRIPTION
    (ALPHA) Migrate data from a source database to Cloud Spanner given a
    schema.

EXAMPLES
    To copy data to Cloud Spanner given a session file:

        $ gcloud alpha spanner migrate data --session=./session.json \
            --source=postgresql < ~/cart.pg_dump \
            --target-profile='instance=spanner-instance'

REQUIRED FLAGS
     --session=SESSION
        Specifies the file that you restore session state from.

     --source=SOURCE
        Flag for specifying source database (e.g., PostgreSQL, MySQL,
        DynamoDB).

     --target-profile=TARGET_PROFILE
        Flag for specifying connection profile for target database (e.g.,
        "dialect=postgresql)".

OPTIONAL FLAGS
     --dry-run
        Flag for generating DDL and schema conversion report without creating a
        Cloud Spanner database.

     --log-level=LOG_LEVEL
        To configure the log level for the execution (INFO, VERBOSE).

     --prefix=PREFIX
        File prefix for generated files.

     --skip-foreign-keys
        Skip creating foreign keys after data migration is complete.

     --source-profile=SOURCE_PROFILE
        Flag for specifying connection profile for source database (e.g.,
        "file=<path>,format=dump").

     --target=TARGET
        Specifies the target database, defaults to Spanner (accepted values:
        Spanner) (default "Spanner").

     --write-limit=WRITE_LIMIT
        Number of parallel writers to Cloud Spanner during bulk data migrations
        (default 40).

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
    This command is currently in alpha and might change without notice. If this
    command fails with API permission errors despite specifying the correct
    project, you might be trying to access an API with an invitation-only early
    access allowlist.