Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

916 lines
26 KiB

5 years ago
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================
#include "stdafx.h"
//#include "sqlaccess.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
namespace GCSDK
{
// Memory pool for CRecordInfo
CThreadSafeClassMemoryPool<CRecordInfo> CRecordInfo::sm_MemPoolRecordInfo( 10, UTLMEMORYPOOL_GROW_FAST );
#ifdef _DEBUG
// validation tracking
CUtlRBTree<CRecordInfo *, int > CRecordInfo::sm_mapPMemPoolRecordInfo( DefLessFunc( CRecordInfo *) );
CThreadMutex CRecordInfo::sm_mutexMemPoolRecordInfo;
#endif
//-----------------------------------------------------------------------------
// determine if this fieldset is equal to the other one
//-----------------------------------------------------------------------------
/* static */
bool FieldSet_t::CompareFieldSets( const FieldSet_t& refThis, CRecordInfo* pRecordInfoThis,
const FieldSet_t& refOther, CRecordInfo* pRecordInfoOther )
{
// same number of columns?
int cColumns = refThis.GetCount();
if ( refOther.GetCount() != cColumns )
return false;
int cIncludedColumns = refThis.GetIncludedCount();
if ( refOther.GetIncludedCount() != cIncludedColumns )
return false;
// do the regular columns first; this is order-dependent
for ( int m = 0; m < cColumns; m++ )
{
int nThisField = refThis.GetField( m );
const CColumnInfo& refThisColumn = pRecordInfoThis->GetColumnInfo( nThisField );
int nOtherField = refOther.GetField( m );
const CColumnInfo& refOtherColumn = pRecordInfoOther->GetColumnInfo( nOtherField );
if ( refOtherColumn != refThisColumn )
{
return false;
}
}
// do the included columns now; order independent
for ( int m = 0; m < cIncludedColumns; m++ )
{
int nThisField = refThis.GetIncludedField( m );
const CColumnInfo& refThisColumn = pRecordInfoThis->GetColumnInfo( nThisField );
bool bFoundMatch = false;
for ( int n = 0; n < cIncludedColumns; n++ )
{
int nOtherField = refOther.GetIncludedField( n );
const CColumnInfo& refOtherColumn = pRecordInfoOther->GetColumnInfo( nOtherField );
if ( refOtherColumn == refThisColumn )
{
bFoundMatch = true;
break;
}
}
if ( !bFoundMatch )
return false;
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Constructor
//-----------------------------------------------------------------------------
CRecordInfo::CRecordInfo()
: m_MapIColumnInfo( 0, 0, CaselessStringLessThan )
{
m_rgchName[0] = 0;
m_bPreparedForUse = false;
m_bAllColumnsAdded = false;
m_bHaveChecksum = false;
m_bHaveColumnNameIndex = false;
m_nHasPrimaryKey = k_EPrimaryKeyTypeNone;
m_iPKIndex = -1;
m_cubFixedSize = 0;
m_nChecksum = 0;
m_eSchemaCatalog = k_ESchemaCatalogInvalid;
m_nTableID = 0;
}
//-----------------------------------------------------------------------------
// Purpose: Initializes this record info from DS equivalent information
//-----------------------------------------------------------------------------
void CRecordInfo::InitFromDSSchema( CSchema *pSchema )
{
// copy the name over
SetName( pSchema->GetPchName() );
// copy each of the fields, preallocating capacity
int cFields = pSchema->GetCField();
m_VecColumnInfo.EnsureCapacity( cFields );
for ( int iField = 0; iField < cFields; iField++ )
{
Field_t &field = pSchema->GetField( iField );
AddColumn( field.m_rgchSQLName, iField+1, field.m_EType, field.m_cubLength, field.m_nColFlags, field.m_cchMaxLength );
}
m_nTableID = pSchema->GetITable();
// copy the list of PK index fields
m_iPKIndex = pSchema->GetPKIndex( );
// copy the list of Indexes
m_VecIndexes = pSchema->GetIndexes( );
// which schema?
m_eSchemaCatalog = pSchema->GetESchemaCatalog();
// copy full-text column list
// and the index of the catalog it will create on
m_vecFTSFields = pSchema->GetFTSColumns();
m_nFullTextCatalogIndex = pSchema->GetFTSIndexCatalog();
// Copy over the FK data
int cFKs = pSchema->GetFKCount();
for ( int i = 0; i < cFKs; ++i )
{
FKData_t &fkData = pSchema->GetFKData( i );
AddFK( fkData );
}
// prepare for use
PrepareForUse( );
}
//-----------------------------------------------------------------------------
// Purpose: Adds a new column to this record info
// Input: pchName - column name
// nSQLColumn - column index in SQL to bind to (1-based)
// eType - data type of column
// cubFixedSize - for fixed-size fields, the size
// nColFlags - attributes
//-----------------------------------------------------------------------------
void CRecordInfo::AddColumn( const char *pchName, int nSQLColumn, EGCSQLType eType, int cubFixedSize, int nColFlags, int cchMaxSize )
{
Assert( !m_bPreparedForUse );
if ( m_bPreparedForUse )
return;
uint32 unColumn = m_VecColumnInfo.AddToTail();
CColumnInfo &columnInfo = m_VecColumnInfo[unColumn];
columnInfo.Set( pchName, nSQLColumn, eType, cubFixedSize, nColFlags, cchMaxSize );
}
//-----------------------------------------------------------------------------
// Purpose: Adds a new FK to this record info
//-----------------------------------------------------------------------------
void CRecordInfo::AddFK( const FKData_t &fkData )
{
m_VecFKData.AddToTail( fkData );
}
//-----------------------------------------------------------------------------
// Purpose: compare function to sort by column name
//-----------------------------------------------------------------------------
int __cdecl CompareColumnInfo( const CColumnInfo *pColumnInfoLeft, const CColumnInfo *pColumnInfoRight )
{
const char *pchLeft = ( (CColumnInfo *) pColumnInfoLeft )->GetName();
const char *pchRight = ( (CColumnInfo *) pColumnInfoRight )->GetName();
Assert( pchLeft && pchLeft[0] );
Assert( pchRight && pchRight[0] );
return Q_stricmp( pchLeft, pchRight );
}
//-----------------------------------------------------------------------------
// Purpose: compares this record info to another record info
//-----------------------------------------------------------------------------
bool CRecordInfo::EqualTo( CRecordInfo* pOther )
{
int nOurs = GetChecksum();
int nTheirs = pOther->GetChecksum();
// if this much isn't equal, we're no good
if (nOurs != nTheirs)
return false;
if ( !CompareIndexLists( pOther ) )
return false;
if ( !CompareFKs( pOther ) )
return false;
return CompareFTSIndexLists( pOther );
}
//-----------------------------------------------------------------------------
// Purpose: format the index list into a string
//-----------------------------------------------------------------------------
void CRecordInfo::GetIndexFieldList( CFmtStr1024 *pstr, int nIndents ) const
{
// table name at first
pstr->sprintf( "Table %s:\n", this->GetName() );
// for each of the indexes ...
for ( int n = 0; n < m_VecIndexes.Count(); n++ )
{
const FieldSet_t& fs = m_VecIndexes[n];
// indent enough
for ( int x = 0; x < nIndents; x++ )
{
pstr->Append( "\t" );
}
// show if it is clustered or not
pstr->AppendFormat( "Index %d (%s): %sclustered, %sunique {", n,
fs.GetIndexName(),
fs.IsClustered() ? "" : "non-",
fs.IsUnique() ? "" : "non-" );
// then show all the columns
for (int m = 0; m < fs.GetCount(); m++ )
{
int x = fs.GetField( m );
const char* pstrName = m_VecColumnInfo[x].GetName();
pstr->AppendFormat( "%s %s", ( m == 0 ) ? "" : ",", pstrName );
}
// then the included columns, too
for ( int m = 0; m < fs.GetIncludedCount(); m++ )
{
int x = fs.GetIncludedField( m );
const char* pstrName = m_VecColumnInfo[x].GetName();
pstr->AppendFormat( ", *%s", pstrName );
}
pstr->Append( " }\n" );
}
return;
}
//-----------------------------------------------------------------------------
// Purpose: Get the number of foreign key constraints defined for the table
//-----------------------------------------------------------------------------
int CRecordInfo::GetFKCount()
{
return m_VecFKData.Count();
}
//-----------------------------------------------------------------------------
// Purpose: Get data for a foreign key by index (valid for 0...GetFKCount()-1)
//-----------------------------------------------------------------------------
FKData_t &CRecordInfo::GetFKData( int iIndex )
{
return m_VecFKData[iIndex];
}
//-----------------------------------------------------------------------------
// Purpose: format the FK list into a string
//-----------------------------------------------------------------------------
void CRecordInfo::GetFKListString( CFmtStr1024 *pstr, int nIndents )
{
// table name at first
pstr->sprintf( "Table %s Foreign Keys: \n", this->GetName() );
if ( m_VecFKData.Count() == 0 )
{
// indent enough
pstr->AppendIndent( nIndents );
pstr->Append( "No foreign keys for table\n" );
}
else
{
for ( int n = 0; n < m_VecFKData.Count(); n++ )
{
// indent enough
pstr->AppendIndent( nIndents );
FKData_t &fkData = m_VecFKData[n];
CFmtStr sColumns, sParentColumns;
FOR_EACH_VEC( fkData.m_VecColumnRelations, i )
{
FKColumnRelation_t &colRelation = fkData.m_VecColumnRelations[i];
if ( i > 0)
{
sColumns += ",";
sParentColumns += ",";
}
sColumns += colRelation.m_rgchCol;
sParentColumns += colRelation.m_rgchParentCol;
}
pstr->AppendFormat( "CONSTRAINT %s FOREIGN KEY (%s) REFERENCES %s(%s) ON DELETE %s ON UPDATE %s\n",
fkData.m_rgchName, sColumns.Access(), fkData.m_rgchParentTableName, sParentColumns.Access(),
PchNameFromEForeignKeyAction( fkData.m_eOnDeleteAction ), PchNameFromEForeignKeyAction( fkData.m_eOnUpdateAction ) );
}
}
return;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CRecordInfo::AddFTSFields( CUtlVector< int > &vecFields )
{
AssertMsg( m_vecFTSFields.Count() == 0, "Only one FTS index per table" );
FOR_EACH_VEC( vecFields, n )
{
int nField = vecFields[n];
m_vecFTSFields.AddToTail( nField );
}
return;
}
//-----------------------------------------------------------------------------
// Purpose: compares FK lists in this record with those of another
//-----------------------------------------------------------------------------
bool CRecordInfo::CompareFKs( CRecordInfo *pOther )
{
if ( pOther->m_VecFKData.Count() != m_VecFKData.Count() )
return false;
for( int i=0; i < m_VecFKData.Count(); ++i )
{
FKData_t &fkDataMine = m_VecFKData[i];
bool bFoundInOther = false;
for ( int j=0; j < pOther->m_VecFKData.Count(); ++j )
{
FKData_t &fkDataOther = pOther->m_VecFKData[j];
if ( fkDataMine == fkDataOther )
{
bFoundInOther = true;
break;
}
}
if ( !bFoundInOther )
return false;
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Locate an index by its properties (ignoring the name).
// Returns position of index in the index array, or -1 if not found.
//-----------------------------------------------------------------------------
int CRecordInfo::FindIndex( CRecordInfo *pRec, const FieldSet_t& fieldSet )
{
for ( int i = 0; i < m_VecIndexes.Count(); i++ )
{
if ( FieldSet_t::CompareFieldSets( m_VecIndexes[i], this, fieldSet, pRec ) )
return i;
}
// Not found
return -1;
}
//-----------------------------------------------------------------------------
// Purpose: Locate an index with the given name.
// Returns position of index in the index array, or -1 if not found.
//-----------------------------------------------------------------------------
int CRecordInfo::FindIndexByName( const char *pszName ) const
{
for ( int i = 0; i < m_VecIndexes.Count(); i++ )
{
if ( V_stricmp( m_VecIndexes[i].GetIndexName(), pszName )== 0 )
return i;
}
// Not found
return -1;
}
//-----------------------------------------------------------------------------
// Purpose: compares index lists in this record with those of another
//-----------------------------------------------------------------------------
bool CRecordInfo::CompareIndexLists( CRecordInfo* pOther )
{
// compare the index lists (but don't use CRCs)
// different size? can't be the same
if ( pOther->GetIndexFieldCount() != GetIndexFieldCount() )
{
return false;
}
// We have to loop through both lists of indexes and try to find a match.
// We also must make sure the match is exact, and that no previous match
// can alias another attempt at a match. Pretty messy, but with no available
// identity over index objects, we're forced to a suboptimal solution.
int nIndexes = GetIndexFieldCount();
// get a copy of the other index vector, which we'll remove items from as
// matches are found.
CUtlVector<FieldSet_t> vecOtherIndexes;
vecOtherIndexes.CopyArray( pOther->GetIndexFields().Base(), nIndexes );
for ( int nOurs = 0; nOurs < nIndexes; nOurs++ )
{
int nOtherMatchIndex = -1;
const FieldSet_t& refOurs = GetIndexFields()[nOurs];
// rip through copy of other to find one that matches
for ( int nOther = 0; nOther < vecOtherIndexes.Count(); nOther++ )
{
const FieldSet_t& refOther = vecOtherIndexes[nOther];
if ( FieldSet_t::CompareFieldSets( refOurs, this, refOther, pOther ) )
{
nOtherMatchIndex = nOther;
break;
}
}
if ( nOtherMatchIndex >= 0 )
{
// this works! remove it from other copy
vecOtherIndexes.Remove( nOtherMatchIndex );
}
else
{
// something didn't match, so bail out early
return false;
}
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: compares full-text indexes for this record with those of another
// column order in an FTS is irrelevant, so this is a simple match
//-----------------------------------------------------------------------------
bool CRecordInfo::CompareFTSIndexLists( CRecordInfo* pOther ) const
{
// compare full-text index columns
if ( m_vecFTSFields.Count() != pOther->m_vecFTSFields.Count() )
{
// counts don't match, so obviously no good
return false;
}
for ( int nColumnIndex = 0; nColumnIndex < m_vecFTSFields.Count(); nColumnIndex++ )
{
bool bFound = false;
for ( int nInnerIndex = 0; nInnerIndex < pOther->m_vecFTSFields.Count(); nInnerIndex++ )
{
if ( m_vecFTSFields[nInnerIndex] == pOther->m_vecFTSFields[nColumnIndex] )
{
bFound = true;
break;
}
}
if ( !bFound )
return false;
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Returns the checksum for this record info
//-----------------------------------------------------------------------------
int CRecordInfo::GetChecksum()
{
Assert( m_bPreparedForUse );
// calculate it now if we haven't already
if ( !m_bHaveChecksum )
CalculateChecksum();
return m_nChecksum;
}
//-----------------------------------------------------------------------------
// Purpose: Prepares this object for use after all columns have been added
//-----------------------------------------------------------------------------
void CRecordInfo::PrepareForUse()
{
Assert( !m_bPreparedForUse );
Assert( 0 == m_cubFixedSize );
Assert( 0 == m_nChecksum );
SetAllColumnsAdded();
FOR_EACH_VEC( m_VecColumnInfo, nColumn )
{
CColumnInfo &columnInfo = m_VecColumnInfo[nColumn];
// keep track of total fixed size of all columns
if ( !columnInfo.BIsVariableLength() )
m_cubFixedSize += columnInfo.GetFixedSize();
if ( columnInfo.BIsPrimaryKey() )
{
// a PK column! if we have seen one before,
// know we have a-column PK; otherwise, a single column PK
if (m_nHasPrimaryKey == k_EPrimaryKeyTypeNone)
m_nHasPrimaryKey = k_EPrimaryKeyTypeSingle;
else
m_nHasPrimaryKey = k_EPrimaryKeyTypeMulti;
}
}
// make sure count matches the enum
/*
Assert( ( m_nHasPrimaryKey == k_EPrimaryKeyTypeNone && m_VecPKFields.Count() == 0 ) ||
( m_nHasPrimaryKey == k_EPrimaryKeyTypeMulti && m_VecPKFields.Count() > 1) ||
( m_nHasPrimaryKey == k_EPrimaryKeyTypeSingle && m_VecPKFields.Count() == 1) );
*/
m_bPreparedForUse = true;
}
//-----------------------------------------------------------------------------
// Purpose: Returns index of column with specified name
// Input: pchName - column name
// punColumn - pointer to fill in with index
// Output: return true if found, false otherwise
//-----------------------------------------------------------------------------
bool CRecordInfo::BFindColumnByName( const char *pchName, int *punColumn )
{
Assert( m_bAllColumnsAdded );
Assert( pchName && *pchName );
Assert( punColumn );
*punColumn = -1;
// if we haven't already built the name index, build it now
if ( !m_bHaveColumnNameIndex )
BuildColumnNameIndex();
*punColumn = m_MapIColumnInfo.Find( pchName );
return ( m_MapIColumnInfo.InvalidIndex() != *punColumn );
}
//-----------------------------------------------------------------------------
// Purpose: Sets the name of this record info
// Input: pchName - name
// Notes: record info that describes a table will have a name (the table name);
// record info that describes a result set will not
//-----------------------------------------------------------------------------
void CRecordInfo::SetName( const char *pchName )
{
Assert( pchName && *pchName );
Assert( !m_bPreparedForUse ); // don't change this after prepared for use
Q_strncpy( m_rgchName, pchName, Q_ARRAYSIZE( m_rgchName ) );
}
//-----------------------------------------------------------------------------
// Purpose: Builds the column name index for fast lookup by name
//-----------------------------------------------------------------------------
void CRecordInfo::BuildColumnNameIndex()
{
AUTO_LOCK( m_Mutex );
if ( m_bHaveColumnNameIndex )
return;
Assert( m_bAllColumnsAdded );
Assert( 0 == m_MapIColumnInfo.Count() );
FOR_EACH_VEC( m_VecColumnInfo, nColumn )
{
// build name->column index map
CColumnInfo &columnInfo = m_VecColumnInfo[nColumn];
m_MapIColumnInfo.Insert( columnInfo.GetName(), nColumn );
}
m_bHaveColumnNameIndex = true;
}
//-----------------------------------------------------------------------------
// Purpose: Calculates the checksum for this record info
//-----------------------------------------------------------------------------
void CRecordInfo::CalculateChecksum()
{
AUTO_LOCK( m_Mutex );
if ( m_bHaveChecksum )
return;
// build the column name index if necessary
if ( !m_bHaveColumnNameIndex )
BuildColumnNameIndex();
CRC32_t crc32;
CRC32_Init( &crc32 );
FOR_EACH_MAP( m_MapIColumnInfo, iMapItem )
{
uint32 unColumn = m_MapIColumnInfo[iMapItem];
CColumnInfo &columnInfo = m_VecColumnInfo[unColumn];
// calculate checksum of all of our columns
columnInfo.CalculateChecksum();
int nChecksum = columnInfo.GetChecksum();
CRC32_ProcessBuffer( &crc32, (void*) &nChecksum, sizeof( nChecksum ) );
}
// keep checksum for entire record info
CRC32_Final( &crc32 );
m_nChecksum = crc32;
m_bHaveChecksum = true;
}
//-----------------------------------------------------------------------------
// Purpose: add another index disallowing duplicates. If a duplicate item is
// found, we'll set the flags on the new item from the existing one.
//-----------------------------------------------------------------------------
int CRecordInfo::AddIndex( const FieldSet_t& fieldSet )
{
for ( int n = 0; n < m_VecIndexes.Count(); n++ )
{
FieldSet_t& fs = m_VecIndexes[n];
if ( FieldSet_t::CompareFieldSets( fieldSet, this, fs, this ) )
{
fs.SetClustered( fs.IsClustered() );
return -1;
}
}
int nRet = m_VecIndexes.AddToTail( fieldSet );
return nRet;
}
//-----------------------------------------------------------------------------
// Purpose: Returns true if there is an IDENTITY column in the record info
//-----------------------------------------------------------------------------
bool CRecordInfo::BHasIdentity() const
{
FOR_EACH_VEC( m_VecColumnInfo, nColumn)
{
if( m_VecColumnInfo[nColumn].BIsAutoIncrement() )
return true;
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Constructor
//-----------------------------------------------------------------------------
CColumnInfo::CColumnInfo()
{
m_rgchName[0] = 0;
m_nSQLColumn = 0;
m_eType = k_EGCSQLTypeInvalid;
m_nColFlags = 0;
m_cubFixedSize = 0;
m_cchMaxSize = 0;
m_nChecksum = 0;
m_bHaveChecksum = false;
}
//-----------------------------------------------------------------------------
// Purpose: Sets column info for this column
// Input: pchName - column name
// nSQLColumn - column index in SQL to bind to (1-based)
// eType - data type of column
// cubFixedSize - for fixed-size fields, the size
// nColFlags - attributes
//-----------------------------------------------------------------------------
void CColumnInfo::Set( const char *pchName, int nSQLColumn, EGCSQLType eType, int cubFixedSize, int nColFlags, int cchMaxSize )
{
Assert( !m_rgchName[0] );
Q_strncpy( m_rgchName, pchName, Q_ARRAYSIZE( m_rgchName ) );
m_nSQLColumn = nSQLColumn;
m_eType = eType;
m_nColFlags = nColFlags;
ValidateColFlags();
if ( !BIsVariableLength() )
{
Assert( cubFixedSize > 0 );
m_cubFixedSize = cubFixedSize;
m_cchMaxSize = 0;
}
else
{
// it's variable length, so we need a max length
m_cchMaxSize = cchMaxSize;
m_cubFixedSize = 0;
}
}
//-----------------------------------------------------------------------------
// Purpose: returns whether this column is variable length
//-----------------------------------------------------------------------------
bool CColumnInfo::BIsVariableLength() const
{
return m_eType == k_EGCSQLType_Blob || m_eType == k_EGCSQLType_String || m_eType == k_EGCSQLType_Image;
}
//-----------------------------------------------------------------------------
// Purpose: convert column flags to a visible representation
//-----------------------------------------------------------------------------
void CColumnInfo::GetColFlagDescription( char* pstrOut, int cubOutLength ) const
{
if ( m_nColFlags == 0 )
Q_strncpy( pstrOut, "(none)", cubOutLength );
else
{
pstrOut[0] = 0;
if ( m_nColFlags & k_nColFlagIndexed )
Q_strncat( pstrOut, "(Indexed)", cubOutLength );
if ( m_nColFlags & k_nColFlagUnique )
Q_strncat( pstrOut, "(Unique)", cubOutLength );
if ( m_nColFlags & k_nColFlagPrimaryKey )
Q_strncat( pstrOut, "(PrimaryKey)", cubOutLength );
if ( m_nColFlags & k_nColFlagAutoIncrement )
Q_strncat( pstrOut, "(AutoIncrement)", cubOutLength );
if ( m_nColFlags & k_nColFlagClustered )
Q_strncat( pstrOut, "(Clustered)", cubOutLength );
}
return;
}
//-----------------------------------------------------------------------------
// Purpose: sets column flag bits
// Input: nColFlag - bits to set. (Other bits are not cleared.)
//-----------------------------------------------------------------------------
void CColumnInfo::SetColFlagBits( int nColFlag )
{
ValidateColFlags();
m_nColFlags |= nColFlag; // set these bits
ValidateColFlags();
}
//-----------------------------------------------------------------------------
// Purpose: Calculates the checksum for this column
//-----------------------------------------------------------------------------
void CColumnInfo::CalculateChecksum()
{
if ( m_bHaveChecksum )
return;
// calculate checksum of this column for easy comparsion
CRC32_t crc32;
CRC32_Init( &crc32 );
CRC32_ProcessBuffer( &crc32, (void*) m_rgchName, Q_strlen( m_rgchName ) );
CRC32_ProcessBuffer( &crc32, (void*) &m_nColFlags, sizeof( m_nColFlags ) );
CRC32_ProcessBuffer( &crc32, (void*) &m_eType, sizeof( m_eType ) );
CRC32_ProcessBuffer( &crc32, (void*) &m_cubFixedSize, sizeof( m_cubFixedSize ) );
CRC32_ProcessBuffer( &crc32, (void*) &m_cchMaxSize, sizeof( m_cchMaxSize ) );
CRC32_Final( &crc32 );
m_nChecksum = crc32;
m_bHaveChecksum = true;
}
//-----------------------------------------------------------------------------
// determine if this CColumnInfo is the same as the referenced
//-----------------------------------------------------------------------------
bool CColumnInfo::operator==( const CColumnInfo& refOther ) const
{
if ( m_eType != refOther.m_eType )
return false;
if ( m_cubFixedSize != refOther.m_cubFixedSize )
return false;
if ( m_cchMaxSize != refOther.m_cchMaxSize )
return false;
if ( m_nColFlags != refOther.m_nColFlags )
return false;
if ( 0 != Q_strcmp( m_rgchName, refOther.m_rgchName ) )
return false;
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Validates that column flags are set in valid combinations
//-----------------------------------------------------------------------------
void CColumnInfo::ValidateColFlags() const
{
// Check that column flags follow rules about how columns get expressed in SQL
if ( m_nColFlags & k_nColFlagPrimaryKey )
{
// a primary key must also be unique and indexed
Assert( m_nColFlags & k_nColFlagUnique );
Assert( m_nColFlags & k_nColFlagIndexed );
}
// a column with uniqueness constraint must also be indexed
if ( m_nColFlags & k_nColFlagUnique )
Assert( m_nColFlags & k_nColFlagIndexed );
}
CRecordInfo *CRecordInfo::Alloc()
{
CRecordInfo *pRecordInfo = sm_MemPoolRecordInfo.Alloc();
#ifdef _DEBUG
AUTO_LOCK( sm_mutexMemPoolRecordInfo );
sm_mapPMemPoolRecordInfo.Insert( pRecordInfo );
#endif
return pRecordInfo;
}
void CRecordInfo::DestroyThis()
{
#ifdef _DEBUG
AUTO_LOCK( sm_mutexMemPoolRecordInfo );
sm_mapPMemPoolRecordInfo.Remove( this );
#endif
sm_MemPoolRecordInfo.Free( this );
}
#ifdef DBGFLAG_VALIDATE
void CRecordInfo::ValidateStatics( CValidator &validator, const char *pchName )
{
VALIDATE_SCOPE_STATIC( "CRecordInfo class statics" );
ValidateObj( sm_MemPoolRecordInfo );
#ifdef _DEBUG
AUTO_LOCK( sm_mutexMemPoolRecordInfo );
ValidateObj( sm_mapPMemPoolRecordInfo );
FOR_EACH_MAP_FAST( sm_mapPMemPoolRecordInfo, i )
{
sm_mapPMemPoolRecordInfo[i]->Validate( validator, "sm_mapPMemPoolRecordInfo[i]" );
}
#endif
}
void CRecordInfo::Validate( CValidator &validator, const char *pchName )
{
VALIDATE_SCOPE();
m_VecIndexes.Validate( validator, "m_VecIndexes" );
ValidateObj( m_VecFKData );
FOR_EACH_VEC( m_VecFKData, i )
{
ValidateObj( m_VecFKData[i] );
}
for ( int iIndex = 0; iIndex < m_VecIndexes.Count(); iIndex++ )
{
ValidateObj( m_VecIndexes[iIndex] );
}
ValidateObj( m_vecFTSFields );
ValidateObj( m_VecColumnInfo );
FOR_EACH_VEC( m_VecColumnInfo, nColumn )
{
CColumnInfo &columnInfo = GetColumnInfo( nColumn );
ValidateObj( columnInfo );
}
ValidateObj( m_MapIColumnInfo );
}
void CColumnInfo::Validate( CValidator &validator, const char *pchName )
{
VALIDATE_SCOPE();
}
#endif // DBGFLAG_VALIDATE
} // namespace GCSDK