RussellSpitzer commented on a change in pull request #3959:
URL: https://github.com/apache/iceberg/pull/3959#discussion_r792007163
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File path: core/src/main/java/org/apache/iceberg/MetricsConfig.java
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@@ -127,24 +135,39 @@ public static MetricsConfig forPositionDelete(Table
table) {
return new MetricsConfig(columnModes.build(), defaultMode);
}
- private static MetricsConfig from(Map<String, String> props, SortOrder
order) {
+ /**
+ * Generate a MetricsConfig for all columns based on overrides, sortOrder,
and defaultMode.
+ * @param props will be read for metrics overrides
(write.metadata.metrics.column.*) and default
+ * (write.metadata.metrics.default)
+ * @param order sort order columns, will be promoted to truncate(16)
+ * @param defaultMode MetricsConfig default, if not set by user property
+ * @return metrics configuration
+ */
+ private static MetricsConfig from(Map<String, String> props, SortOrder
order, MetricsMode defaultMode) {
Map<String, MetricsMode> columnModes = Maps.newHashMap();
- MetricsMode defaultMode;
- String defaultModeAsString =
props.getOrDefault(DEFAULT_WRITE_METRICS_MODE,
DEFAULT_WRITE_METRICS_MODE_DEFAULT);
- try {
- defaultMode = MetricsModes.fromString(defaultModeAsString);
- } catch (IllegalArgumentException err) {
- // Mode was invalid, log the error and use the default
- LOG.warn("Ignoring invalid default metrics mode: {}",
defaultModeAsString, err);
- defaultMode =
MetricsModes.fromString(DEFAULT_WRITE_METRICS_MODE_DEFAULT);
+
+ // Handle user override of default mode
+ MetricsMode finalDefaultMode;
+ String defaultModeProp = props.get(DEFAULT_WRITE_METRICS_MODE);
+ if (defaultModeProp != null) {
+ try {
+ finalDefaultMode = MetricsModes.fromString(defaultModeProp);
+ } catch (IllegalArgumentException err) {
+ // User override was invalid, log the error and use the default
+ LOG.warn("Ignoring invalid default metrics mode: {}", defaultModeProp,
err);
Review comment:
Yeah I just don't know why we originally had this behavior ... seems odd
to me :shrug:
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