feat(spanner): migrate batch 1 core samples and tests#4273

Merged

iennae merged 3 commits intoGoogleCloudPlatform:mainfrom

angelcaamal:spanner-core-tests

Apr 1, 2026

Commits on Mar 31, 2026

feat(spanner): first batch of samples including create database and update
angelcaamal
committed
fix(spanner): address PR review comments for INT64 keys and concurrency limit
angelcaamal
committed
fix(spanner): disable database drop protection during test cleanup
angelcaamal
committed