pvary commented on a change in pull request #1612:
URL: https://github.com/apache/iceberg/pull/1612#discussion_r530200490
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File path: mr/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergSerDe.java
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@@ -56,10 +61,28 @@ public void initialize(@Nullable Configuration
configuration, Properties serDePr
} else if (serDeProperties.get(InputFormatConfig.TABLE_SCHEMA) != null) {
tableSchema = SchemaParser.fromJson((String)
serDeProperties.get(InputFormatConfig.TABLE_SCHEMA));
} else {
- try {
- tableSchema = Catalogs.loadTable(configuration,
serDeProperties).schema();
- } catch (NoSuchTableException nte) {
- throw new SerDeException("Please provide an existing table or a valid
schema", nte);
+ if (Catalogs.hiveCatalog(configuration)) {
+ tableSchema = hiveSchema(serDeProperties);
+ if (tableSchema == null) {
+ throw new SerDeException("Please provide a valid schema");
+ } else {
+ LOG.info("Using hive schema {}", SchemaParser.toJson(tableSchema));
+ }
+ } else {
+ try {
+ // always prefer the original table schema if there is one
+ tableSchema = Catalogs.loadTable(configuration,
serDeProperties).schema();
+ LOG.info("Using schema from existing table {}",
SchemaParser.toJson(tableSchema));
+ } catch (Exception e) {
+ // If we can not load the table try the provided hive schema
+ tableSchema = hiveSchema(serDeProperties);
+ if (tableSchema == null) {
+ throw new SerDeException("Please provide an existing table or a
valid schema", e);
+ } else {
+ LOG.info("Using schema from column specification {} since table
load is failed",
+ SchemaParser.toJson(tableSchema), e);
Review comment:
Done
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