| Modifier and Type | Method and Description |
|---|---|
Table |
Table.AggregateOperation.aggregate(Aggregate... aggregates)
Aggregates the group of columns represented by indices
Usage:
aggregate(count(), max(2),...);
example:
input : 1, 1, 1
1, 2, 1
2, 4, 5
table.groupBy(0, 2).count()
col0, col1
output: 1, 1
1, 2
2, 1 ==> aggregated count
|
Table |
Table.TestBuilder.build() |
static Table |
Table.concatenate(Table... tables)
Concatenate multiple tables together to form a single table.
|
Table |
Table.filter(ColumnVector mask)
Filters this table using a column of boolean values as a mask, returning a new one.
|
Table |
Table.TableOperation.innerJoin(Table.TableOperation rightJoinIndices)
Joins two tables on the join columns that are passed in.
|
Table |
Table.TableOperation.leftJoin(Table.TableOperation rightJoinIndices)
Joins two tables on the join columns that are passed in.
|
Table |
Table.orderBy(boolean areNullsSmallest,
Table.OrderByArg... args)
Orders the table using the sortkeys returning a new allocated table.
|
static Table |
Table.readCSV(Schema schema,
byte[] buffer)
Read CSV formatted data using the default CSVOptions.
|
static Table |
Table.readCSV(Schema schema,
CSVOptions opts,
byte[] buffer)
Read CSV formatted data.
|
static Table |
Table.readCSV(Schema schema,
CSVOptions opts,
byte[] buffer,
long offset,
long len)
Read CSV formatted data.
|
static Table |
Table.readCSV(Schema schema,
CSVOptions opts,
File path)
Read a CSV file.
|
static Table |
Table.readCSV(Schema schema,
CSVOptions opts,
HostMemoryBuffer buffer,
long offset,
long len)
Read CSV formatted data.
|
static Table |
Table.readCSV(Schema schema,
File path)
Read a CSV file using the default CSVOptions.
|
static Table |
Table.readORC(byte[] buffer)
Read ORC formatted data.
|
static Table |
Table.readORC(File path)
Read a ORC file using the default ORCOptions.
|
static Table |
Table.readORC(ORCOptions opts,
byte[] buffer)
Read ORC formatted data.
|
static Table |
Table.readORC(ORCOptions opts,
byte[] buffer,
long offset,
long len)
Read ORC formatted data.
|
static Table |
Table.readORC(ORCOptions opts,
File path)
Read a ORC file.
|
static Table |
Table.readORC(ORCOptions opts,
HostMemoryBuffer buffer,
long offset,
long len)
Read ORC formatted data.
|
static Table |
Table.readParquet(byte[] buffer)
Read parquet formatted data.
|
static Table |
Table.readParquet(File path)
Read a Parquet file using the default ParquetOptions.
|
static Table |
Table.readParquet(ParquetOptions opts,
byte[] buffer)
Read parquet formatted data.
|
static Table |
Table.readParquet(ParquetOptions opts,
byte[] buffer,
long offset,
long len)
Read parquet formatted data.
|
static Table |
Table.readParquet(ParquetOptions opts,
File path)
Read a Parquet file.
|
static Table |
Table.readParquet(ParquetOptions opts,
HostMemoryBuffer buffer,
long offset,
long len)
Read parquet formatted data.
|
static Table |
JCudfSerialization.readTableFrom(InputStream in)
Read a serialize table from the given InputStream.
|
| Modifier and Type | Method and Description |
|---|---|
static Table |
Table.concatenate(Table... tables)
Concatenate multiple tables together to form a single table.
|
static void |
JCudfSerialization.writeToStream(Table t,
OutputStream out,
long rowOffset,
long numRows)
Write all or part of a table out in an internal format.
|
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