com.vertica.sdk.VerticaBlock Class Reference

Inheritance diagram for com.vertica.sdk.VerticaBlock:

Collaboration diagram for com.vertica.sdk.VerticaBlock:

Public Member Functions
	VerticaBlock (int _ncols, int _rowcount)
void	addCol (ByteBuffer arg, int colstride, VerticaType dt, String colName)
void	addCol (ByteBuffer arg, int colstride, VerticaType dt)
void	addCol (ByteBuffer arg, ByteBuffer da, int colstride, VerticaType dt)
void	addCol (ByteBuffer arg, ByteBuffer da, int colstride, VerticaType dt, String colName)
boolean	checkStringUserBlockInfo (int idx)
boolean	checkTimeUserBlockInfo (int idx)
ByteBuffer	getColDataAreaRef (int idx)
ByteBuffer	getColRef (int idx)
int	getNumCols ()
int	getNumRows ()
BaseDataOID	getProcessBlockUserInfoVectorAt (int i)
SizedColumnTypes	getTypeMetaData ()
void	resetBuffers ()

Public Attributes
int	count
int	index
int	ncols
int	nrows
SizedColumnTypes	typeMetaData

Protected Member Functions
void	clear ()
ByteBuffer	getInlineColBuffer (int idx)

Protected Attributes
ArrayList< ByteBuffer >	coldataareas
ArrayList< ByteBuffer >	cols
ArrayList< Integer >	colstrides
ArrayList< Integer >	currentPos

Detailed Description

Represents an in-memory block of tuples

Member Function Documentation

void com.vertica.sdk.VerticaBlock.addCol	(	ByteBuffer	arg,
		int	colstride,
		VerticaType	dt,
		String	colName
	)

Add the location for reading a particular argument.

Parameters

arg	The base location to find data.
colstride	The stride between data instances.
dt	The type of input.
colName	Name of the column

Referenced by com.vertica.sdk.VerticaBlock.addCol().

void com.vertica.sdk.VerticaBlock.addCol	(	ByteBuffer	arg,
		int	colstride,
		VerticaType	dt
	)

Add the location for reading a particular argument.

Parameters

arg	The base location to find data.
colstride	The stride between data instances.
dt	The type of input.

void com.vertica.sdk.VerticaBlock.addCol	(	ByteBuffer	arg,
		ByteBuffer	da,
		int	colstride,
		VerticaType	dt
	)

Add the location for reading a particular argument.

Parameters

arg	The base location to find data.
da	The location to find out of band string data.
colstride	The stride between data instances.
dt	The type of input.

void com.vertica.sdk.VerticaBlock.addCol	(	ByteBuffer	arg,
		ByteBuffer	da,
		int	colstride,
		VerticaType	dt,
		String	colName
	)

Add the location for reading a particular argument.

Parameters

arg	The base location to find data.
da	The location to find out of band string data.
colstride	The stride between data instances.
dt	The type of input.
colName	Name of the column

ByteBuffer com.vertica.sdk.VerticaBlock.getColDataAreaRef

(

int

idx

)

Get the ByteBuffer that stores out of line string data (Data Area) for the idx'th argument

Parameters

idx	The column number to retrieve from the input row.

Returns

the ByteBuffer

Referenced by com.vertica.sdk.BlockReader.getVString().

ByteBuffer com.vertica.sdk.VerticaBlock.getColRef

(

int

idx

)

Example: ByteBuffer a = arg_reader.getColPtr(0);

Parameters

idx	The column number to retrieve from the input row.

Returns

a ByteBuffer to the idx'th argument, containing data for the column

Referenced by com.vertica.sdk.PartitionWriter.copyFromInput(), com.vertica.sdk.BlockReader.getBoolean(), com.vertica.sdk.BlockReader.getDouble(), com.vertica.sdk.VerticaBlock.getInlineColBuffer(), com.vertica.sdk.BlockReader.getLong(), com.vertica.sdk.BlockReader.getStringLength(), com.vertica.sdk.BlockReader.getStringLoc(), com.vertica.sdk.BlockReader.getVNumeric(), com.vertica.sdk.BlockReader.getVString(), com.vertica.sdk.BlockWriter.getVStringWriter(), com.vertica.sdk.BlockReader.isBooleanNull(), com.vertica.sdk.ParamWriter.setBool(), com.vertica.sdk.BlockWriter.setBoolean(), com.vertica.sdk.BlockWriter.setBooleanNull(), com.vertica.sdk.PartitionWriter.setBooleanValue(), com.vertica.sdk.BlockWriter.setDate(), com.vertica.sdk.BlockWriter.setDateNull(), com.vertica.sdk.PartitionWriter.setDateValue(), com.vertica.sdk.BlockWriter.setDouble(), com.vertica.sdk.ParamWriter.setDouble(), com.vertica.sdk.BlockWriter.setDoubleNull(), com.vertica.sdk.PartitionWriter.setDoubleValue(), com.vertica.sdk.BlockWriter.setLong(), com.vertica.sdk.ParamWriter.setLong(), com.vertica.sdk.BlockWriter.setLongNull(), com.vertica.sdk.ParamWriter.setLongString(), com.vertica.sdk.PartitionWriter.setLongValue(), com.vertica.sdk.ParamWriter.setNumeric(), com.vertica.sdk.BlockWriter.setNumeric(), com.vertica.sdk.ParamWriter.setString(), com.vertica.sdk.BlockWriter.setString(), com.vertica.sdk.BlockWriter.setStringNull(), com.vertica.sdk.BlockWriter.setTimestamp(), com.vertica.sdk.BlockWriter.setTimestampInfiniteNeg(), com.vertica.sdk.BlockWriter.setTimestampInfinitePos(), com.vertica.sdk.BlockWriter.setTimestampNull(), and com.vertica.sdk.PartitionWriter.setTimestampValue().

ByteBuffer com.vertica.sdk.VerticaBlock.getInlineColBuffer ( int  idx )

protected

Give a ByteBuffer for the given column (inline storage only). Returns a buffer with position and limit bounding the data area for a single element of that column, given the current position in the column.

Parameters

idx	The column number to retrieve from the input row.

Returns

the ByteBuffer for the column

Referenced by com.vertica.sdk.PartitionWriter.setStringBytes(), and com.vertica.sdk.PartitionWriter.setStringValue().

int com.vertica.sdk.VerticaBlock.getNumCols

(

)

Returns

the number of arguments held by this reader.

int com.vertica.sdk.VerticaBlock.getNumRows

(

)

Returns

the number of rows held by this block.

SizedColumnTypes com.vertica.sdk.VerticaBlock.getTypeMetaData

(

)

Returns

information about the types and numbers of arguments

Referenced by com.vertica.sdk.ParamReader.getType(), com.vertica.sdk.PartitionWriter.setRowFromMap(), and com.vertica.sdk.PartitionWriter.setValue().