193 lines
5 KiB
C
193 lines
5 KiB
C
typedef struct _cdesc /* Column Description */
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{
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char *szColName; /* Column Name */
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JET_COLTYP coltyp; /* Column Type */
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JET_GRBIT grbit; /* Flag bits */
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ULONG ulMaxLen; /* Max Length of Column */
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} CDESC;
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typedef struct _idesc /* Index Description */
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{
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char *szIdxName; /* Index Name */
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char *szIdxKeys; /* Key String */
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JET_GRBIT grbit; /* Flag bits */
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} IDESC;
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typedef struct {
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const char *szName;
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CODECONST(CDESC) *pcdesc;
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CODECONST(IDESC) *pidesc;
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BYTE ccolumn;
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BYTE cindex;
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CPG cpg;
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JET_COLUMNID *rgcolumnid;
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PGNO pgnoTableFDP;
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} SYSTABLEDEF;
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// UNDONE: change #defines to enumerated types?
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#define itableSo 0 /* MSysObjects */
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#define itableSc 1 /* MSysColumns */
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#define itableSi 2 /* MSysIndexes */
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#define itableSa 3 /* MSysACEs */
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#define itableSq 4 /* MSysQueries */
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#define itableSr 5 /* MSysRelationShips */
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#define iMSO_Id 0
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#define iMSO_ParentId 1
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#define iMSO_Name 2
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#define iMSO_Type 3
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#define iMSO_DateCreate 4
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#define iMSO_DateUpdate 5
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#define iMSO_Owner 6
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#define iMSO_Flags 7
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#define iMSO_Pages 8
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#define iMSO_Density 9
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#define iMSO_Stats 10
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#define iMSC_ObjectId 0
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#define iMSC_Name 1
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#define iMSC_ColumnId 2
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#define iMSC_Coltyp 3
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#define iMSC_Length 4
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#define iMSC_CodePage 5
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#define iMSC_Flags 6
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#define iMSC_RecordOffset 7
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#define iMSC_Default 8
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#define iMSC_POrder 9
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#define iMSI_ObjectId 0
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#define iMSI_Name 1
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#define iMSI_IndexId 2
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#define iMSI_Density 3
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#define iMSI_LanguageId 4
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#define iMSI_Flags 5
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#define iMSI_KeyFldIDs 6
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#define iMSI_Stats 7
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#define iMSI_VarSegMac 8
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/* max number of columns
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/**/
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#define ilineSxMax 11
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#if 0
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#define CheckTableObject( szTable ) \
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{ \
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ERR err; \
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OBJID objid; \
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JET_OBJTYP objtyp; \
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\
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err = ErrFindObjidFromIdName( ppib, \
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dbid, \
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objidTblContainer, \
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szTable, \
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&objid, \
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&objtyp ); \
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if ( err >= JET_errSuccess ) \
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{ \
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if ( objtyp == JET_objtypQuery ) \
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return ErrERRCheck( JET_errQueryNotSupported ); \
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if ( objtyp == JET_objtypLink ) \
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return ErrERRCheck( JET_errLinkNotSupported ); \
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if ( objtyp == JET_objtypSQLLink ) \
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return ErrERRCheck( JET_errSQLLinkNotSupported ); \
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} \
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else \
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return err; \
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}
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#endif
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/* prototypes
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/**/
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ERR ErrCATCreate( PIB *ppib, DBID dbid );
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ERR ErrCATInsert( PIB *ppib, DBID dbid, INT itable, LINE rgline[], OBJID objid );
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ERR ErrCATBatchInsert(
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PIB *ppib,
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DBID dbid,
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JET_COLUMNCREATE *pcolcreate,
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ULONG cColumns,
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OBJID objidTable,
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BOOL fCompacting );
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ERR ErrCATDelete( PIB *ppib, DBID dbid, INT itable, CHAR *szName, OBJID objid );
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ERR ErrCATReplace(
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PIB *ppib,
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DBID dbid,
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INT itable,
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OBJID objidTable,
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CHAR *szName,
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INT iReplaceField,
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BYTE *rgbReplaceValue,
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INT cbReplaceValue);
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ERR ErrCATRename(
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PIB *ppib,
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DBID dbid,
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CHAR *szNew,
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CHAR *szName,
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OBJID objid,
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INT itable );
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ERR ErrCATTimestamp( PIB *ppib, DBID dbid, OBJID objid );
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ERR ErrCATFindObjidFromIdName(
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PIB *ppib,
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DBID dbid,
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OBJID objidParentId,
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const CHAR *lszName,
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OBJID *pobjid,
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JET_OBJTYP *pobjtyp );
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ERR ErrCATFindNameFromObjid( PIB *ppib, DBID dbid, OBJID objid, VOID *pv, unsigned long cbMax, unsigned long *pcbActual );
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ERR ErrCATGetIndexLangid(
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PIB *ppib,
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DBID dbid,
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PGNO pgnoTable,
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CHAR *szIndexName,
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USHORT *pusLanguageid );
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ERR ErrCATConstructCATFDB( FDB **ppfdbNew, CHAR *szFileName);
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ERR ErrCATTableColumnInfo( PIB *ppib, DBID dbid, OBJID objidTable, TCIB *ptcib, BOOL fSetValue);
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ERR ErrCATConstructFDB( PIB *ppib, DBID dbid, PGNO pgnoTableFDP, FDB **ppfdbNew);
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ULONG UlCATColumnSize( JET_COLTYP coltyp, INT cbMax, BOOL *pfMaxTruncated);
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ERR ErrCATGetTableAllocInfo( PIB *ppib, DBID dbid, PGNO pgnoTable,
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ULONG *pulPages, ULONG *pulDensity );
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ERR ErrCATGetIndexAllocInfo( PIB *ppib, DBID dbid, PGNO pgnoTable,
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CHAR *szIndexName, ULONG *pulDensity );
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JET_COLUMNID ColumnidCATGetColumnid( INT iTable, INT iField );
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PGNO PgnoCATTableFDP( CHAR *szTable );
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ERR ErrCATGetCATIndexInfo(
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PIB *ppib,
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DBID dbid,
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FCB **ppfcb,
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FDB *pfdb,
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PGNO pgnoTableFDP,
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CHAR *szTableName,
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BOOL fCreatingSys );
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ERR ErrCATGetIndexInfo(
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PIB *ppib,
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DBID dbid,
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FCB **ppfcb,
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FDB *pfdb,
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PGNO pgnoTableFDP );
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#define szSysRoot "MSys"
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#define cbSysRoot strlen(szSysRoot)
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INLINE LOCAL BOOL FCATSystemTable( const CHAR *szTableName )
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{
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const CHAR *szRestOfName;
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LONG lResult;
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/* determine if we are openning a system table
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/**/
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UtilStringCompare( szTableName, cbSysRoot, szSysRoot, cbSysRoot, 0, &lResult );
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if ( lResult == 0 )
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{
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szRestOfName = szTableName + cbSysRoot;
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return UtilCmpName( szRestOfName, szSoTable+cbSysRoot ) == 0 ||
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UtilCmpName( szRestOfName, szScTable+cbSysRoot ) == 0 ||
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UtilCmpName( szRestOfName, szSiTable+cbSysRoot ) == 0;
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}
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return fFalse;
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}
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