gcloud alpha spanner migration schema-and-data - migrate data from a source database to Cloud Spanner given a schema
gcloud alpha spanner migration schema-and-data --source=SOURCE [--dry-run] [--log-level=LOG_LEVEL] [--prefix=PREFIX] [--skip-foreign-keys] [--source-profile=SOURCE_PROFILE] [--target=TARGET] [--target-profile=TARGET_PROFILE] [--write-limit=WRITE_LIMIT] [GCLOUD_WIDE_FLAG ...]
(ALPHA) Migrate data from a source database to Cloud Spanner given a schema.
To generate schema and copy data to Cloud Spanner from a source database:
$ gcloud alpha spanner migration schema-and-data \ --source=postgresql < ~/cart.pg_dump \ --target-profile='instance=spanner-instance'
- --source=SOURCE
Flag for specifying source database (e.g., PostgreSQL, MySQL, DynamoDB).
- --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").
- --target-profile=TARGET_PROFILE
Flag for specifying connection profile for target database (e.g., "dialect=postgresql)".
- --write-limit=WRITE_LIMIT
Number of parallel writers to Cloud Spanner during bulk data migrations (default 40).
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.
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.