diff options
Diffstat (limited to 'storage/connect/filamap.cpp')
| -rw-r--r-- | storage/connect/filamap.cpp | 53 |
1 files changed, 35 insertions, 18 deletions
diff --git a/storage/connect/filamap.cpp b/storage/connect/filamap.cpp index c6b4585a839..94c562a9981 100644 --- a/storage/connect/filamap.cpp +++ b/storage/connect/filamap.cpp @@ -87,7 +87,7 @@ int MAPFAM::GetFileLength(PGLOBAL g) { int len; - len = (To_Fb) ? To_Fb->Length : TXTFAM::GetFileLength(g); + len = (To_Fb && To_Fb->Count) ? To_Fb->Length : TXTFAM::GetFileLength(g); if (trace) htrc("Mapped file length=%d\n", len); @@ -319,11 +319,13 @@ int MAPFAM::SkipRecord(PGLOBAL g, bool header) /***********************************************************************/ int MAPFAM::ReadBuffer(PGLOBAL g) { - int len; + int rc, len; // Are we at the end of the memory - if (Mempos >= Top) - return RC_EF; + if (Mempos >= Top) + if ((rc = GetNext(g)) != RC_OK) + return rc; + if (!Placed) { /*******************************************************************/ @@ -341,8 +343,10 @@ int MAPFAM::ReadBuffer(PGLOBAL g) /*******************************************************************/ switch (Tdbp->TestBlock(g)) { case RC_EF: - return RC_EF; - case RC_NF: + if ((rc = GetNext(g)) != RC_OK) + return rc; + + case RC_NF: // Skip this record if ((rc = SkipRecord(g, false)) != RC_OK) return rc; @@ -498,7 +502,7 @@ int MAPFAM::DeleteRecords(PGLOBAL g, int irc) void MAPFAM::CloseTableFile(PGLOBAL g, bool) { PlugCloseFile(g, To_Fb); - To_Fb = NULL; // To get correct file size in Cardinality +//To_Fb = NULL; // To get correct file size in Cardinality if (trace) htrc("MAP Close: closing %s count=%d\n", @@ -569,7 +573,7 @@ int MBKFAM::GetRowID(void) /***********************************************************************/ int MBKFAM::ReadBuffer(PGLOBAL g) { - int len; + int rc, len; /*********************************************************************/ /* Sequential block reading when Placed is not true. */ @@ -577,8 +581,10 @@ int MBKFAM::ReadBuffer(PGLOBAL g) if (Placed) { Placed = false; } else if (Mempos >= Top) { // Are we at the end of the memory - return RC_EF; - } else if (++CurNum < Nrec) { + if ((rc = GetNext(g)) != RC_OK) + return rc; + + } else if (++CurNum < Nrec) { Fpos = Mempos; } else { /*******************************************************************/ @@ -588,7 +594,8 @@ int MBKFAM::ReadBuffer(PGLOBAL g) next: if (++CurBlk >= Block) - return RC_EF; + if ((rc = GetNext(g)) != RC_OK) + return rc; /*******************************************************************/ /* Before reading a new block, check whether block optimization */ @@ -596,8 +603,11 @@ int MBKFAM::ReadBuffer(PGLOBAL g) /*******************************************************************/ switch (Tdbp->TestBlock(g)) { case RC_EF: - return RC_EF; - case RC_NF: + if ((rc = GetNext(g)) != RC_OK) + return rc; + + break; + case RC_NF: goto next; } // endswitch rc @@ -697,14 +707,18 @@ int MPXFAM::InitDelete(PGLOBAL, int fpos, int) /***********************************************************************/ int MPXFAM::ReadBuffer(PGLOBAL g) { + int rc; + /*********************************************************************/ /* Sequential block reading when Placed is not true. */ /*********************************************************************/ if (Placed) { Placed = false; } else if (Mempos >= Top) { // Are we at the end of the memory - return RC_EF; - } else if (++CurNum < Nrec) { + if ((rc = GetNext(g)) != RC_OK) + return rc; + + } else if (++CurNum < Nrec) { Fpos = Mempos; } else { /*******************************************************************/ @@ -714,7 +728,7 @@ int MPXFAM::ReadBuffer(PGLOBAL g) next: if (++CurBlk >= Block) - return RC_EF; + return GetNext(g); /*******************************************************************/ /* Before reading a new block, check whether block optimization */ @@ -722,8 +736,11 @@ int MPXFAM::ReadBuffer(PGLOBAL g) /*******************************************************************/ switch (Tdbp->TestBlock(g)) { case RC_EF: - return RC_EF; - case RC_NF: + if ((rc = GetNext(g)) != RC_OK) + return rc; + + break; + case RC_NF: goto next; } // endswitch rc |