Index (datafusion-java 0.15.0 API)

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B

build() - Method in class org.apache.arrow.datafusion.ListingOptions.Builder: Build a new ListingOptions instance from the configured builder
build(SessionContext) - Method in class org.apache.arrow.datafusion.ListingTableConfig.Builder: Create the listing table config.
builder(String) - Static method in class org.apache.arrow.datafusion.ListingTableConfig: Create a new ListingTableConfig.Builder for a ListingTableConfig
builder(URI) - Static method in class org.apache.arrow.datafusion.ListingTableConfig: Create a new ListingTableConfig.Builder for a ListingTableConfig from a URI
builder(Path) - Static method in class org.apache.arrow.datafusion.ListingTableConfig: Create a new ListingTableConfig.Builder for a ListingTableConfig from a file path
builder(Path[]) - Static method in class org.apache.arrow.datafusion.ListingTableConfig: Create a new ListingTableConfig.Builder for a ListingTableConfig from an array of paths
builder(FileFormat) - Static method in class org.apache.arrow.datafusion.ListingOptions: Create a builder for listing options
Builder(String) - Constructor for class org.apache.arrow.datafusion.ListingTableConfig.Builder: Create a new ListingTableConfig.Builder
Builder(String[]) - Constructor for class org.apache.arrow.datafusion.ListingTableConfig.Builder: Create a new ListingTableConfig.Builder
Builder(FileFormat) - Constructor for class org.apache.arrow.datafusion.ListingOptions.Builder: Create a new ListingOptions builder

C

close() - Method in class org.apache.arrow.datafusion.ListingOptions
collect(BufferAllocator) - Method in interface org.apache.arrow.datafusion.DataFrame: Collect dataframe into a list of record batches
create() - Static method in class org.apache.arrow.datafusion.SessionContexts: Create a new default session context
CsvFormat - Class in org.apache.arrow.datafusion: The CSV file format configuration
CsvFormat() - Constructor for class org.apache.arrow.datafusion.CsvFormat: Create new CSV format with default options

D

DataFrame - Interface in org.apache.arrow.datafusion: A dataframe is a rectangle shaped data that holds columns and rows, and can be collected into batches and read via reader.

E

executeStream(BufferAllocator) - Method in interface org.apache.arrow.datafusion.DataFrame: Execute this DataFrame and return a stream of the result data

F

FileFormat - Interface in org.apache.arrow.datafusion: Interface for file formats that can provide table data

G

getPointer() - Method in class org.apache.arrow.datafusion.ListingOptions
getPointer() - Method in interface org.apache.arrow.datafusion.RecordBatchStream: Get a pointer to the native object
getRuntime() - Method in interface org.apache.arrow.datafusion.SessionContext: Get the runtime associated with this context
getVectorSchemaRoot() - Method in interface org.apache.arrow.datafusion.RecordBatchStream: Get the VectorSchemaRoot that will be populated with data as the stream is iterated over

I

intoView() - Method in interface org.apache.arrow.datafusion.DataFrame: Converts this DataFrame into a TableProvider that can be registered as a table view using SessionContext.registerParquet(String, Path)
isClosed() - Method in class org.apache.arrow.datafusion.ListingOptions

L

ListingOptions - Class in org.apache.arrow.datafusion: Configures options for a ListingTable
ListingOptions.Builder - Class in org.apache.arrow.datafusion: A Builder for ListingOptions instances
ListingTable - Class in org.apache.arrow.datafusion: A data source composed of multiple files that share a schema
ListingTable(ListingTableConfig) - Constructor for class org.apache.arrow.datafusion.ListingTable: Create a new listing table
ListingTableConfig - Class in org.apache.arrow.datafusion: Configuration for creating a ListingTable
ListingTableConfig.Builder - Class in org.apache.arrow.datafusion: A Builder for ListingTableConfig instances
loadNextBatch() - Method in interface org.apache.arrow.datafusion.RecordBatchStream: Load the next record batch in the stream into the VectorSchemaRoot

O

org.apache.arrow.datafusion - package org.apache.arrow.datafusion: This module contains a Java JNI binding to Apache Arrow DataFusion which is the query engine library to work with data in Arrow format.

P

ParquetFormat - Class in org.apache.arrow.datafusion: The Apache Parquet file format configuration
ParquetFormat() - Constructor for class org.apache.arrow.datafusion.ParquetFormat: Create new ParquetFormat with default options

R

RecordBatchStream - Interface in org.apache.arrow.datafusion: A record batch stream is a stream of tabular Arrow data that can be iterated over asynchronously
registerChild(AbstractProxy) - Method in class org.apache.arrow.datafusion.ListingOptions: Register a child proxy object that should be closed when this object is closed
registerCsv(String, Path) - Method in interface org.apache.arrow.datafusion.SessionContext: Registering a csv file with the context
registerParquet(String, Path) - Method in interface org.apache.arrow.datafusion.SessionContext: Registering a parquet file with the context
registerTable(String, TableProvider) - Method in interface org.apache.arrow.datafusion.SessionContext: Registers a TableProvider as a table that can be referenced from SQL statements executed against this context.
Runtime - Interface in org.apache.arrow.datafusion: A runtime represents the underlying async runtime in datafusion engine

S

SessionContext - Interface in org.apache.arrow.datafusion: A session context holds resources and is the entrance for obtaining DataFrame
SessionContexts - Class in org.apache.arrow.datafusion: Manages session contexts
show() - Method in interface org.apache.arrow.datafusion.DataFrame: Print results.
sql(String) - Method in interface org.apache.arrow.datafusion.SessionContext: Obtain the DataFrame by running the sql against the datafusion library

T

TableProvider - Interface in org.apache.arrow.datafusion: vague interface that maps to Arc<dyn TableProvider>.

W

withCollectStat(boolean) - Method in class org.apache.arrow.datafusion.ListingOptions.Builder: Specify whether to collect statistics from files
withFileExtension(String) - Method in class org.apache.arrow.datafusion.ListingOptions.Builder: Specify a suffix used to filter files in the listing location
withListingOptions(ListingOptions) - Method in class org.apache.arrow.datafusion.ListingTableConfig.Builder: Specify the ListingOptions to use
writeCsv(Path) - Method in interface org.apache.arrow.datafusion.DataFrame: Write results to a csv file.
writeParquet(Path) - Method in interface org.apache.arrow.datafusion.DataFrame: Write results to a parquet file.

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