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Undo unrelated format changes
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‎parquet-avro/README.md‎

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### Configuration for reading
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| Name | Type | Description |
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|-------------------------------------|-----------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| `parquet.avro.data.supplier` | `Class` | The implementation of the interface org.apache.parquet.avro.AvroDataSupplier. Available implementations in the library: GenericDataSupplier, ReflectDataSupplier, SpecificDataSupplier.<br/>The default value is `org.apache.parquet.avro.SpecificDataSupplier` |
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| `parquet.avro.read.schema` | `String` | The Avro schema to be used for reading. It shall be compatible with the file schema. The file schema will be used directly if not set. |
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| `parquet.avro.projection` | `String` | The Avro schema to be used for projection. |
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| `parquet.avro.compatible` | `boolean` | Flag for compatibility mode. `true` for materializing Avro `IndexedRecord` objects, `false` for materializing the related objects for either generic, specific, or reflect records.<br/>The default value is `true`. |
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| `parquet.avro.readInt96AsFixed` | `boolean` | Flag for handling the `INT96` Parquet types. `true` for converting it to the `fixed` Avro type, `false` for not handling `INT96` types (throwing exception).<br/>The default value is `false`.<br/>**NOTE: The `INT96` Parquet type is deprecated. This option is only to support old data.** |
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| `parquet.avro.serializable.classes` | `String` | List of the fully qualified class names separated by ',' that may be referenced from the Avro schema by "java-class" or "java-key-class" and are allowed to be loaded. |
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| Name | Type | Description |
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|-----------------------------------------|-----------|----------------------------------------------------------------------|
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| `parquet.avro.data.supplier` | `Class` | The implementation of the interface org.apache.parquet.avro.AvroDataSupplier. Available implementations in the library: GenericDataSupplier, ReflectDataSupplier, SpecificDataSupplier.<br/>The default value is `org.apache.parquet.avro.SpecificDataSupplier` |
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| `parquet.avro.read.schema` | `String` | The Avro schema to be used for reading. It shall be compatible with the file schema. The file schema will be used directly if not set. |
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| `parquet.avro.projection` | `String` | The Avro schema to be used for projection. |
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| `parquet.avro.compatible` | `boolean` | Flag for compatibility mode. `true` for materializing Avro `IndexedRecord` objects, `false` for materializing the related objects for either generic, specific, or reflect records.<br/>The default value is `true`. |
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| `parquet.avro.readInt96AsFixed` | `boolean` | Flag for handling the `INT96` Parquet types. `true` for converting it to the `fixed` Avro type, `false` for not handling `INT96` types (throwing exception).<br/>The default value is `false`.<br/>**NOTE: The `INT96` Parquet type is deprecated. This option is only to support old data.** |
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| `parquet.avro.serializable.classes` | `String` | List of the fully qualified class names separated by ',' that may be referenced from the Avro schema by "java-class" or "java-key-class" and are allowed to be loaded. |
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### Configuration for writing
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| Name | Type | Description |
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|-----------------------------------------|-----------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| `parquet.avro.write.data.supplier` | `Class` | The implementation of the interface org.apache.parquet.avro.AvroDataSupplier. Available implementations in the library: GenericDataSupplier, ReflectDataSupplier, SpecificDataSupplier.<br/>The default value is `org.apache.parquet.avro.SpecificDataSupplier` |
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| `parquet.avro.schema` | `String` | The Avro schema to be used for generating the Parquet schema of the file. |
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| `parquet.avro.write-old-list-structure` | `boolean` | Flag whether to write list structures in the old way (2 levels) or the new one (3 levels). When writing at 2 levels no null values are available at the element level.<br/>The default value is `true` |
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| `parquet.avro.add-list-element-records` | `boolean` | Flag whether to assume that any repeated element in the schema is a list element.<br/>The default value is `true`. |
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| `parquet.avro.write-parquet-uuid` | `boolean` | Flag whether to write the [Parquet UUID logical type](https://github.com/apache/parquet-format/blob/master/LogicalTypes.md#uuid) in case of an [Avro UUID type](https://avro.apache.org/docs/current/spec.html#UUID) is present.<br/>The default value is `false`. |
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| `parquet.avro.writeFixedAsInt96` | `String` | Comma separated list of paths pointing to Avro schema elements which are to be converted to `INT96` Parquet types.<br/>The path is a `'.'` separated list of field names and does not contain the name of the schema nor the namespace. The type of the referenced schema elements must be `fixed` with the size of 12 bytes.<br/>**NOTE: The `INT96` Parquet type is deprecated. This option is only to support old data.** |
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| Name | Type | Description |
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|-----------------------------------------|-----------|----------------------------------------------------------------------|
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| `parquet.avro.write.data.supplier` | `Class` | The implementation of the interface org.apache.parquet.avro.AvroDataSupplier. Available implementations in the library: GenericDataSupplier, ReflectDataSupplier, SpecificDataSupplier.<br/>The default value is `org.apache.parquet.avro.SpecificDataSupplier` |
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| `parquet.avro.schema` | `String` | The Avro schema to be used for generating the Parquet schema of the file. |
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| `parquet.avro.write-old-list-structure` | `boolean` | Flag whether to write list structures in the old way (2 levels) or the new one (3 levels). When writing at 2 levels no null values are available at the element level.<br/>The default value is `true` |
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| `parquet.avro.add-list-element-records` | `boolean` | Flag whether to assume that any repeated element in the schema is a list element.<br/>The default value is `true`. |
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| `parquet.avro.write-parquet-uuid` | `boolean` | Flag whether to write the [Parquet UUID logical type](https://github.com/apache/parquet-format/blob/master/LogicalTypes.md#uuid) in case of an [Avro UUID type](https://avro.apache.org/docs/current/spec.html#UUID) is present.<br/>The default value is `false`. |
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| `parquet.avro.writeFixedAsInt96` | `String` | Comma separated list of paths pointing to Avro schema elements which are to be converted to `INT96` Parquet types.<br/>The path is a `'.'` separated list of field names and does not contain the name of the schema nor the namespace. The type of the referenced schema elements must be `fixed` with the size of 12 bytes.<br/>**NOTE: The `INT96` Parquet type is deprecated. This option is only to support old data.** |

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