Cannot decode dictionary of type INT96 when reading imported Spark parquet table

[manuzhang]

Apache Iceberg version

1.2.1

Query engine

Spark

Please describe the bug 🐞

The following exception was thrown when reading timestamp column from an imported Spark parquet table with filter.

java.lang.IllegalArgumentException: Cannot decode dictionary of type: INT96
    at org.apache.iceberg.parquet.ParquetDictionaryRowGroupFilter$EvalVisitor.dict(ParquetDictionaryRowGroupFilter.java:458)
    at org.apache.iceberg.parquet.ParquetDictionaryRowGroupFilter$EvalVisitor.eq(ParquetDictionaryRowGroupFilter.java:293)
    at org.apache.iceberg.parquet.ParquetDictionaryRowGroupFilter$EvalVisitor.eq(ParquetDictionaryRowGroupFilter.java:80)
    at org.apache.iceberg.expressions.ExpressionVisitors$BoundExpressionVisitor.predicate(ExpressionVisitors.java:162)
    at org.apache.iceberg.expressions.ExpressionVisitors.visitEvaluator(ExpressionVisitors.java:390)
    at org.apache.iceberg.expressions.ExpressionVisitors.visitEvaluator(ExpressionVisitors.java:409)
    at org.apache.iceberg.parquet.ParquetDictionaryRowGroupFilter$EvalVisitor.eval(ParquetDictionaryRowGroupFilter.java:118)
    at org.apache.iceberg.parquet.ParquetDictionaryRowGroupFilter$EvalVisitor.access$100(ParquetDictionaryRowGroupFilter.java:80)
    at org.apache.iceberg.parquet.ParquetDictionaryRowGroupFilter.shouldRead(ParquetDictionaryRowGroupFilter.java:74)
    at org.apache.iceberg.parquet.ReadConf.<init>(ReadConf.java:119)