LcsClusterNode.h File Reference

Go to the source code of this file.

Classes
struct	LcsBatchDir
	Batch directory representing each batch within a cluster. More...
struct	LcsClusterNode
	Header stored on each page of a cluster. More...
Typedefs
typedef LcsBatchDir *	PLcsBatchDir
typedef LcsClusterNode *	PLcsClusterNode
typedef const LcsClusterNode *	PConstLcsClusterNode
typedef SegNodeLock< LcsClusterNode >	ClusterPageLock
Enumerations
enum	LcsBatchMode { LCS_COMPRESSED, LCS_FIXED, LCS_VARIABLE }
Functions
FENNEL_BEGIN_NAMESPACE	DEFINE_OPAQUE_INTEGER (LcsRid, uint64_t)
	Column store rid type.
uint	getClusterSubHeaderSize (uint nColumns)
	Returns size of the header at the start of the cluster page, taking into account the variable length elements that are dependent on the number of columns in the cluster.

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Typedef Documentation

typedef SegNodeLock<LcsClusterNode> ClusterPageLock

Definition at line 140 of file LcsClusterNode.h.

typedef const LcsClusterNode* PConstLcsClusterNode

Definition at line 139 of file LcsClusterNode.h.

typedef LcsBatchDir* PLcsBatchDir

Definition at line 93 of file LcsClusterNode.h.

typedef LcsClusterNode* PLcsClusterNode

Definition at line 138 of file LcsClusterNode.h.

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Enumeration Type Documentation

enum LcsBatchMode

Enumerator:

LCS_COMPRESSED
LCS_FIXED
LCS_VARIABLE

Definition at line 37 of file LcsClusterNode.h.

{ LCS_COMPRESSED, LCS_FIXED, LCS_VARIABLE };

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Function Documentation

FENNEL_BEGIN_NAMESPACE DEFINE_OPAQUE_INTEGER	(	LcsRid	,
		uint64_t
	)

Column store rid type.

uint getClusterSubHeaderSize

(

uint

nColumns

)

[inline]

Returns size of the header at the start of the cluster page, taking into account the variable length elements that are dependent on the number of columns in the cluster.

Definition at line 132 of file LcsClusterNode.h.

Referenced by LcsClusterNodeWriter::init().

{
    return sizeof(LcsClusterNode) + (3 * sizeof(uint16_t *) * nColumns) +
        sizeof(uint) * nColumns;
}

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