AnalyzeError inspects an error returned from Cloud Spanner and adds information about potential root causes e.g.

CheckEqualSets checks if the set of values in a and b are equal.

Close closes file.

CompareSchema compares the spanner schema of two conv objects and returns specific error if they don't match.

DownloadFromGCS returns the dump file that is downloaded from GCS.

GetBanner prints banner message after command line process is finished.

GetClient returns a new Spanner client.

NewDatabaseAdminClient returns a new db-admin client.

NewInstanceAdminClient returns a new instance-admin client.

NewIOStreams returns a new IOStreams struct such that input stream is set to open file descriptor for dumpFile if driver is PGDUMP or MYSQLDUMP.

NewSpannerClient returns a new Spanner client.

PreloadGCSFiles downloads gcs files to tmp and updates the file paths in manifest with the local path.

PrintPermissionsWarning prints permission warning.

ReadSpannerSchema fills conv by querying Spanner infoschema treating Spanner as both the source and dest.

SetupLogFile configures the file used for logs.

IOStreams is a struct that contains the file descriptor for dumpFile.

Spanner migration tool accepts a manifest file in the form of a json which unmarshalls into the ManifestTables struct.

Interface to fetch spanner details.