Add UUID support in import/export templates

[lagarwal1]

feat: Add support for importing/exporting UUID columns as strings

Manual Tests in Cloud Devel

Avro

GSQL

Export
Import

Postgres

Export
Import

CSV

GSQL

Export
Import

Postgres

Export
Import

[codecov]

Codecov Report

Attention: Patch coverage is 58.02469% with 34 lines in your changes missing coverage. Please review.

Project coverage is 46.95%. Comparing base (dae14d7) to head (4ca86eb).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...e/beam/it/gcp/spanner/matchers/SpannerAsserts.java	0.00%	13 Missing ⚠️
...d/teleport/templates/common/SpannerConverters.java	0.00%	4 Missing and 4 partials ⚠️
...oud/teleport/spanner/AvroSchemaToDdlConverter.java	20.00%	3 Missing and 1 partial ⚠️
...le/cloud/teleport/spanner/TextImportTransform.java	0.00%	2 Missing and 2 partials ⚠️
...google/cloud/teleport/spanner/ExportTransform.java	0.00%	2 Missing ⚠️
...cloud/teleport/spanner/SpannerRecordConverter.java	77.77%	0 Missing and 2 partials ⚠️
...le/cloud/teleport/spanner/CSVRecordToMutation.java	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##               main    #2145    +/-   ##
==========================================
  Coverage     46.95%   46.95%            
- Complexity     4043     4367   +324     
==========================================
  Files           876      876            
  Lines         52154    52190    +36     
  Branches       5477     5501    +24     
==========================================
+ Hits          24489    24507    +18     
- Misses        25912    25923    +11     
- Partials       1753     1760     +7     

Components	Coverage Δ
spanner-templates	68.88% <65.57%> (-0.01%)	⬇️
spanner-import-export	65.70% <65.57%> (-0.02%)	⬇️
spanner-live-forward-migration	76.50% <ø> (ø)
spanner-live-reverse-replication	78.67% <ø> (ø)
spanner-bulk-migration	87.94% <ø> (ø)

Files with missing lines	Coverage Δ
...le/cloud/teleport/spanner/AvroRecordConverter.java	99.69% <ø> (ø)
...teleport/spanner/BuildReadFromTableOperations.java	44.92% <100.00%> (+9.33%)	⬆️
...oud/teleport/spanner/DdlToAvroSchemaConverter.java	93.05% <100.00%> (+0.02%)	⬆️
...gle/cloud/teleport/spanner/TextImportPipeline.java	0.00% <ø> (ø)
...oogle/cloud/teleport/spanner/common/SizedType.java	92.10% <100.00%> (+0.25%)	⬆️
...com/google/cloud/teleport/spanner/common/Type.java	90.74% <100.00%> (+0.42%)	⬆️
.../com/google/cloud/teleport/spanner/ddl/Column.java	84.95% <100.00%> (+0.55%)	⬆️
...google/cloud/teleport/templates/TextToSpanner.java	23.43% <100.00%> (+0.40%)	⬆️
.../apache/beam/sdk/io/gcp/spanner/SpannerSchema.java	67.25% <100.00%> (+1.20%)	⬆️
...le/cloud/teleport/spanner/CSVRecordToMutation.java	79.31% <50.00%> (-0.52%)	⬇️
... and 6 more

... and 2 files with indirect coverage changes

[darshan-sj]

Looks good overall. Left a few comments.

[darshan-sj]

LGTM

[darshan-sj]

Unrelated test failure in Spanner PR / Dataflow Templates Integration Tests (pull_request): com.google.cloud.teleport.v2.templates.SpannerToSourceDbCustomTransformationIT

[Abacn]

Please sync the change to Beam's SpannerIO : https://github.com/apache/beam/blob/master/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/spanner/SpannerSchema.java

LocalSpannerIO is going to be teardown

[Abacn]

LocalSpannerIO does not admit changes that not already in Beam's SpannerIO, and is going to be teardown

#1429 will affect part of the functionality added in this PR