mars_nwe/mars-flaim
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Latest round of changes for SQL query optimization.

Browse Source 
git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@709 0109f412-320b-0410-ab79-c3e0c5ffbbe6
This commit is contained in:
dsandersoremutah
2006-07-25 22:40:53 +00:00
parent 33e39a5d44
commit a7e6b942f8
20 changed files with 1435 additions and 476 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
sql/src/fvector.cpp
View File

@@ -1353,3 +1353,65 @@ Exit:
return( rc);
}
/****************************************************************************
Desc: Copy one data vector into another.
****************************************************************************/
RCODE F_DataVector::copyVector(
F_DataVector * pSrcVector)
{
RCODE rc = NE_SFLM_OK;
m_ui64RowId = pSrcVector->m_ui64RowId;
// If none of the elements are populated, there is nothing that
// needs to be done.
if ((m_uiNumElements = pSrcVector->m_uiNumElements) > 0)
{
if (RC_BAD( rc = allocVectorArray( pSrcVector->m_uiNumElements - 1)))
{
goto Exit;
}
f_memcpy( m_pVectorElements, pSrcVector->m_pVectorElements,
sizeof( F_VECTOR_ELEMENT) * m_uiNumElements);
// Make sure we have enough room in our data buffer.
if (pSrcVector->m_uiDataBufOffset > m_uiDataBufLength)
{
if (m_pucDataBuf == &m_ucIntDataBuf [0])
{
if (RC_BAD( rc = f_alloc( pSrcVector->m_uiDataBufOffset,
&m_pucDataBuf)))
{
goto Exit;
}
}
else
{
if (RC_BAD( rc = f_realloc( pSrcVector->m_uiDataBufOffset,
&m_pucDataBuf)))
{
goto Exit;
}
}
m_uiDataBufLength = pSrcVector->m_uiDataBufOffset;
}
// Copy the source data buffer into ours.
m_uiDataBufOffset = pSrcVector->m_uiDataBufOffset;
f_memcpy( m_pucDataBuf, pSrcVector->m_pucDataBuf,
pSrcVector->m_uiDataBufOffset);
}
else
{
m_uiDataBufOffset = 0;
}
Exit:
return( rc);
}