apache / apache/parquet-java

Add new APIs for nested predicate pushdown

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Component: Java Component: Parquet Priority: Major Type: enhancement
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Java
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Description

Currently, Parquet's **org.apache.parquet.filter2.predicate.FilterApi** is using **dot** to split the column name into multi-parts of nested fields. The drawback is that this causes issues when the field name contains **dot**.

The new APIs that will be added will take array of string directly for multi-parts of nested fields, so no confusion as using **dot** as a separator.

See https://github.com/apache/spark/pull/27728 and [SPARK-17636] for details.

**Reporter**: [DB Tsai](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=dbtsai)

**Note**: *This issue was originally created as [PARQUET-1809](https://issues.apache.org/jira/browse/PARQUET-1809). Please see the [migration documentation](https://issues.apache.org/jira/browse/PARQUET-2502) for further details.*

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