Index (datafusion-java 0.13.0 API)

C

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

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.

getPointer() - Method in interface org.apache.arrow.datafusion.DataFrame
getRuntime() - Method in interface org.apache.arrow.datafusion.SessionContext: Get the runtime associated with this context

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.

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(SessionContext, String) - Method in interface org.apache.arrow.datafusion.DataFrame: Register this dataframe as a temporary table.
Runtime - Interface in org.apache.arrow.datafusion: A runtime represents the underlying async runtime in datafusion engine

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
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

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.