Match the ldbc sql package to ldbc connector.

[takapi327]

Implementation Details

Align the ldbc sql package with ldbc connector so that the functionality of the upper layer packages can be integrated.

Fixes

Fixes #xxxxx

Pull Request Checklist

• Wrote unit and integration tests
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code formatting by scalafmt (sbt scalafmtAll command execution)
• Add copyright headers to new files

References