Polber commented on code in PR #30024:
URL: https://github.com/apache/beam/pull/30024#discussion_r1458134155
##########
sdks/java/io/jdbc/src/main/java/org/apache/beam/sdk/io/jdbc/JdbcReadSchemaTransformProvider.java:
##########
@@ -164,12 +194,17 @@ public abstract static class
JdbcReadSchemaTransformConfiguration implements Ser
public abstract String getDriverJars();
public void validate() throws IllegalArgumentException {
- if (Strings.isNullOrEmpty(getDriverClassName())) {
- throw new IllegalArgumentException("JDBC Driver class name cannot be
blank.");
+ if (Strings.isNullOrEmpty(getDriverClassName()) &&
Strings.isNullOrEmpty(getJdbcType())) {
Review Comment:
It is not required. One of `driverClassName` or `jdbcType` must be provided.
If `driverClassName` is not given, then the switch statement you commented on
above will handle defaulting the driver.
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