nsivabalan commented on a change in pull request #4253:
URL: https://github.com/apache/hudi/pull/4253#discussion_r769998324
##########
File path:
hudi-spark-datasource/hudi-spark-common/src/main/java/org/apache/hudi/DataSourceUtils.java
##########
@@ -309,4 +311,15 @@ public static HiveSyncConfig
buildHiveSyncConfig(TypedProperties props, String b
DataSourceWriteOptions.HIVE_SUPPORT_TIMESTAMP_TYPE().defaultValue()));
return hiveSyncConfig;
}
+
+ // Now by default ParquetWriteSupport will write DecimalType to parquet as
int32/int64 when the scale of decimalType < Decimal.MAX_LONG_DIGITS(),
+ // but AvroParquetReader which used by HoodieParquetReader cannot support
read int32/int64 as DecimalType.
+ // try to find current schema whether contains that DecimalType, and auto
set the value of "hoodie.parquet.writeLegacyFormat.enabled"
+ public static void autoModifyParquetWriteLegacyFormatParameter(Map<String,
String> properties, StructType schema) {
Review comment:
one last nit. can we name this
"mayBeOverwriteParquetWriteLegacyFormatProp"
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