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369 lines
12 KiB
C++
369 lines
12 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Sets of columns in SQL queries
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//
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// $NoKeywords: $
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//=============================================================================
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#include "stdafx.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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namespace GCSDK
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{
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//-----------------------------------------------------------------------------
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// Purpose: Constructs a column set with no columns in it
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//-----------------------------------------------------------------------------
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CColumnSet::CColumnSet( const CRecordInfo *pRecordInfo )
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: m_pRecordInfo( pRecordInfo )
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose: Constructs a column set with a single column in it
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// Inputs: nColumn - the column to add
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//-----------------------------------------------------------------------------
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CColumnSet::CColumnSet( const CRecordInfo *pRecordInfo, int col1 )
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: m_pRecordInfo( pRecordInfo )
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{
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m_vecColumns.AddToTail( col1 );
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}
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CColumnSet::CColumnSet( const CRecordInfo *pRecordInfo, int col1, int col2 )
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: m_pRecordInfo( pRecordInfo )
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{
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m_vecColumns.EnsureCapacity( 2 );
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m_vecColumns.AddToTail( col1 );
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m_vecColumns.AddToTail( col2 );
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}
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CColumnSet::CColumnSet( const CRecordInfo *pRecordInfo, int col1, int col2, int col3 )
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: m_pRecordInfo( pRecordInfo )
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{
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m_vecColumns.EnsureCapacity( 3 );
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m_vecColumns.AddToTail( col1 );
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m_vecColumns.AddToTail( col2 );
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m_vecColumns.AddToTail( col3 );
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}
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CColumnSet::CColumnSet( const CRecordInfo *pRecordInfo, int col1, int col2, int col3, int col4 )
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: m_pRecordInfo( pRecordInfo )
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{
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m_vecColumns.EnsureCapacity( 4 );
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m_vecColumns.AddToTail( col1 );
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m_vecColumns.AddToTail( col2 );
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m_vecColumns.AddToTail( col3 );
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m_vecColumns.AddToTail( col4 );
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}
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CColumnSet::CColumnSet( const CRecordInfo *pRecordInfo, int col1, int col2, int col3, int col4, int col5 )
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: m_pRecordInfo( pRecordInfo )
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{
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m_vecColumns.EnsureCapacity( 5 );
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m_vecColumns.AddToTail( col1 );
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m_vecColumns.AddToTail( col2 );
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m_vecColumns.AddToTail( col3 );
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m_vecColumns.AddToTail( col4 );
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m_vecColumns.AddToTail( col5 );
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}
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CColumnSet::CColumnSet( const CRecordInfo *pRecordInfo, int col1, int col2, int col3, int col4, int col5, int col6 )
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: m_pRecordInfo( pRecordInfo )
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{
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m_vecColumns.EnsureCapacity( 6 );
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m_vecColumns.AddToTail( col1 );
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m_vecColumns.AddToTail( col2 );
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m_vecColumns.AddToTail( col3 );
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m_vecColumns.AddToTail( col4 );
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m_vecColumns.AddToTail( col5 );
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m_vecColumns.AddToTail( col6 );
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}
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CColumnSet::CColumnSet( const CRecordInfo *pRecordInfo, int col1, int col2, int col3, int col4, int col5, int col6, int col7 )
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: m_pRecordInfo( pRecordInfo )
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{
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m_vecColumns.EnsureCapacity( 7 );
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m_vecColumns.AddToTail( col1 );
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m_vecColumns.AddToTail( col2 );
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m_vecColumns.AddToTail( col3 );
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m_vecColumns.AddToTail( col4 );
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m_vecColumns.AddToTail( col5 );
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m_vecColumns.AddToTail( col6 );
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m_vecColumns.AddToTail( col7 );
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}
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CColumnSet::CColumnSet( const CRecordInfo *pRecordInfo, int col1, int col2, int col3, int col4, int col5, int col6, int col7, int col8 )
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: m_pRecordInfo( pRecordInfo )
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{
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m_vecColumns.EnsureCapacity( 8 );
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m_vecColumns.AddToTail( col1 );
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m_vecColumns.AddToTail( col2 );
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m_vecColumns.AddToTail( col3 );
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m_vecColumns.AddToTail( col4 );
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m_vecColumns.AddToTail( col5 );
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m_vecColumns.AddToTail( col6 );
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m_vecColumns.AddToTail( col7 );
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m_vecColumns.AddToTail( col8 );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Copy constructor
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//-----------------------------------------------------------------------------
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CColumnSet::CColumnSet( const CColumnSet & rhs )
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{
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MEM_ALLOC_CREDIT_("CColumnSet");
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m_vecColumns.CopyArray( rhs.m_vecColumns.Base(), rhs.m_vecColumns.Count() );
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m_pRecordInfo = rhs.m_pRecordInfo;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Assignment operator
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//-----------------------------------------------------------------------------
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CColumnSet & CColumnSet::operator=( const CColumnSet & rhs )
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{
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MEM_ALLOC_CREDIT_("CColumnSet");
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m_vecColumns.CopyArray( rhs.m_vecColumns.Base(), rhs.m_vecColumns.Count() );
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m_pRecordInfo = rhs.m_pRecordInfo;
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return *this;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Addition operator. lhs ColumnSet will be a union of the two
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// ColumnSets
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//-----------------------------------------------------------------------------
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CColumnSet & CColumnSet::operator+=( const CColumnSet & rhs )
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{
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Assert( this->GetRecordInfo() == rhs.GetRecordInfo() );
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FOR_EACH_COLUMN_IN_SET( rhs, i )
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{
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BAddColumn( rhs.GetColumn( i ) );
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}
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return *this;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Addition operator. Returns a union of lhs and rhs
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//-----------------------------------------------------------------------------
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const CColumnSet CColumnSet::operator+( const CColumnSet & rhs ) const
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{
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return CColumnSet( *this ) += rhs;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Adds a column to the set if it is
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// Inputs: nColumn - THe column to add
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//-----------------------------------------------------------------------------
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void CColumnSet::BAddColumn( int nColumn )
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{
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if( nColumn >= 0 && nColumn < m_pRecordInfo->GetNumColumns() )
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{
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//not sure best way to handle the 'is already set case'
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if( !IsSet( nColumn ) )
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m_vecColumns.AddToTail( nColumn );
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}
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else
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{
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AssertMsg3( false, "Attempting to set an out of range column on schema type %s, %d (of %d)", GetRecordInfo()->GetName(), nColumn, m_pRecordInfo->GetNumColumns() );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Removes a column from the set
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// Inputs: nColumn - THe column to remove
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//-----------------------------------------------------------------------------
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void CColumnSet::BRemoveColumn( int nColumn )
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{
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m_vecColumns.FindAndRemove( nColumn );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns true if a column is in the set
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// Inputs: nColumn - THe column to test
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//-----------------------------------------------------------------------------
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bool CColumnSet::IsSet( int nColumn ) const
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{
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int nIndex = m_vecColumns.Find( nColumn );
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return m_vecColumns.IsValidIndex( nIndex );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns the number of columns in the set
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//-----------------------------------------------------------------------------
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uint32 CColumnSet::GetColumnCount() const
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{
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return m_vecColumns.Count();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns the column index of the Nth column in the set
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// Inputs: nIndex - the position in the set to return a column index for.
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//-----------------------------------------------------------------------------
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int CColumnSet::GetColumn( int nIndex ) const
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{
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return m_vecColumns[nIndex];
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns a CColumnInfo object for the nth column in the set
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// Inputs: nIndex - the position in the set to return a column info for.
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//-----------------------------------------------------------------------------
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const CColumnInfo & CColumnSet::GetColumnInfo( int nIndex ) const
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{
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return m_pRecordInfo->GetColumnInfo( GetColumn( nIndex ) );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Empties the column set
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//-----------------------------------------------------------------------------
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void CColumnSet::MakeEmpty()
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{
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m_vecColumns.RemoveAll();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Makes the column set be the full set of all columns in the record info
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//-----------------------------------------------------------------------------
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void CColumnSet::MakeFull()
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{
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MakeEmpty();
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const int nNumColumns = m_pRecordInfo->GetNumColumns();
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m_vecColumns.EnsureCapacity( nNumColumns );
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for( int nColumn = 0; nColumn < m_pRecordInfo->GetNumColumns(); nColumn++ )
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{
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//do a direct add to avoid the exponential cost since we know we won't have conflicts
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m_vecColumns.AddToTail( nColumn );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Makes the column set be the full set of all insertable columns in
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// the record info
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//-----------------------------------------------------------------------------
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void CColumnSet::MakeInsertable()
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{
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MakeEmpty();
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for( int nColumn = 0; nColumn < m_pRecordInfo->GetNumColumns(); nColumn++ )
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{
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const CColumnInfo & columnInfo = m_pRecordInfo->GetColumnInfo( nColumn );
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if( columnInfo.BIsInsertable() )
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{
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//do a direct add to avoid the exponential cost since we know we won't have conflicts
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m_vecColumns.AddToTail( nColumn );
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Makes the column set be the full set of all noninsertable columns in
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// the record info
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//-----------------------------------------------------------------------------
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void CColumnSet::MakeNoninsertable()
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{
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MakeEmpty();
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for( int nColumn = 0; nColumn < m_pRecordInfo->GetNumColumns(); nColumn++ )
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{
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const CColumnInfo & columnInfo = m_pRecordInfo->GetColumnInfo( nColumn );
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if( !columnInfo.BIsInsertable() )
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{
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//do a direct add to avoid the exponential cost since we know we won't have conflicts
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m_vecColumns.AddToTail( nColumn );
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Makes the column set be the full set of all primary key columns in
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// the record info
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//-----------------------------------------------------------------------------
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void CColumnSet::MakePrimaryKey()
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{
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MakeEmpty();
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for( int nColumn = 0; nColumn < m_pRecordInfo->GetNumColumns(); nColumn++ )
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{
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const CColumnInfo & columnInfo = m_pRecordInfo->GetColumnInfo( nColumn );
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if( columnInfo.BIsPrimaryKey() )
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{
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//do a direct add to avoid the exponential cost since we know we won't have conflicts
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m_vecColumns.AddToTail( nColumn );
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Makes the column set be the full set of all primary key columns in
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// the record info
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//-----------------------------------------------------------------------------
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void CColumnSet::MakeInverse( const CColumnSet & columnSet )
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{
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MakeEmpty();
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for( int nColumn = 0; nColumn < m_pRecordInfo->GetNumColumns(); nColumn++ )
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{
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if( !columnSet.IsSet( nColumn ) )
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{
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//do a direct add to avoid the exponential cost since we know we won't have conflicts
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m_vecColumns.AddToTail( nColumn );
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}
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}
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}
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//-----------------------------------------------------------------------------
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// determines if the current column set has all fields set. Useful for detection of new columns being added to the schema
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//-----------------------------------------------------------------------------
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bool CColumnSet::BAreAllFieldsSet() const
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{
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for( int nColumn = 0; nColumn < m_pRecordInfo->GetNumColumns(); nColumn++ )
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{
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if( !IsSet( nColumn ) )
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return false;
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}
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns a Column Set which is the inverse of the given column set
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// STATIC - Difference from MakeInverse is that it has a return value
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//-----------------------------------------------------------------------------
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CColumnSet CColumnSet::Inverse( const CColumnSet & columnSet )
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{
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CColumnSet set( columnSet.GetRecordInfo() );
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set.MakeInverse( columnSet );
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return set;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Claims the memory for CColumnSet
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//-----------------------------------------------------------------------------
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#ifdef DBGFLAG_VALIDATE
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void CColumnSet::Validate( CValidator &validator, const char *pchName )
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{
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// these are INSIDE the function instead of outside so the interface
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// doesn't change
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VALIDATE_SCOPE();
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ValidateObj( m_vecColumns );
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}
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#endif
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} // namespace GCSDK
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