Abacn commented on code in PR #25240:
URL: https://github.com/apache/beam/pull/25240#discussion_r1092337450
##########
sdks/java/io/jdbc/src/main/java/org/apache/beam/sdk/io/jdbc/JdbcSchemaIOProvider.java:
##########
@@ -110,26 +115,48 @@ public PTransform<PBegin, PCollection<Row>> buildReader()
{
return new PTransform<PBegin, PCollection<Row>>() {
@Override
public PCollection<Row> expand(PBegin input) {
- @Nullable String readQuery = config.getString("readQuery");
- if (readQuery == null) {
- readQuery = String.format("SELECT * FROM %s", location);
- }
-
- JdbcIO.ReadRows readRows =
- JdbcIO.readRows()
- .withDataSourceConfiguration(getDataSourceConfiguration())
- .withQuery(readQuery);
-
- @Nullable Short fetchSize = config.getInt16("fetchSize");
- if (fetchSize != null) {
- readRows = readRows.withFetchSize(fetchSize);
- }
- @Nullable Boolean outputParallelization =
config.getBoolean("outputParallelization");
- if (outputParallelization != null) {
- readRows =
readRows.withOutputParallelization(outputParallelization);
+ // If we define a partition column we need to go a different route
+ @Nullable String partitionColumn =
config.getString("partitionColumn");
Review Comment:
Just note that for newly introduced parameters it may need to check the
existence of the field first, similar to #25062 otherwise may causing error in
go SDK's xlang jdbc wrapper
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