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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
commit | 3f619478f796eddbba6e39502fe941b285dd97b1 (patch) | |
tree | e2c7b5777f728320e5b5542b6213fd3591ba51e2 /storage/connect/jmgfam.cpp | |
parent | Initial commit. (diff) | |
download | mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip |
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/connect/jmgfam.cpp')
-rw-r--r-- | storage/connect/jmgfam.cpp | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/storage/connect/jmgfam.cpp b/storage/connect/jmgfam.cpp new file mode 100644 index 00000000..670781da --- /dev/null +++ b/storage/connect/jmgfam.cpp @@ -0,0 +1,390 @@ +/************ JMONGO FAM C++ Program Source Code File (.CPP) ***********/ +/* PROGRAM NAME: jmgfam.cpp */ +/* ------------- */ +/* Version 1.2 */ +/* */ +/* COPYRIGHT: */ +/* ---------- */ +/* (C) Copyright to the author Olivier BERTRAND 20017 - 2021 */ +/* */ +/* WHAT THIS PROGRAM DOES: */ +/* ----------------------- */ +/* This program are the Java MongoDB access method classes. */ +/* */ +/***********************************************************************/ + +/***********************************************************************/ +/* Include relevant sections of the System header files. */ +/***********************************************************************/ +#include "my_global.h" +#if defined(_WIN32) +//#include <io.h> +//#include <fcntl.h> +//#include <errno.h> +#if defined(__BORLANDC__) +#define __MFC_COMPAT__ // To define min/max as macro +#endif // __BORLANDC__ +//#include <windows.h> +#else // !_WIN32 +#if defined(UNIX) || defined(UNIV_LINUX) +//#include <errno.h> +#include <unistd.h> +//#if !defined(sun) // Sun has the ftruncate fnc. +//#define USETEMP // Force copy mode for DELETE +//#endif // !sun +#else // !UNIX +//#include <io.h> +#endif // !UNIX +//#include <fcntl.h> +#endif // !_WIN32 + +/***********************************************************************/ +/* Include application header files: */ +/* global.h is header containing all global declarations. */ +/* plgdbsem.h is header containing the DB application declarations. */ +/* filamtxt.h is header containing the file AM classes declarations. */ +/***********************************************************************/ +#include "global.h" +#include "plgdbsem.h" +#include "reldef.h" +#include "filamtxt.h" +#include "tabdos.h" +#if defined(BSON_SUPPORT) +#include "tabbson.h" +#else +#include "tabjson.h" +#endif // BSON_SUPPORT +#include "jmgfam.h" + +#if defined(UNIX) || defined(UNIV_LINUX) +#include "osutil.h" +//#define _fileno fileno +//#define _O_RDONLY O_RDONLY +#endif + +/* --------------------------- Class JMGFAM -------------------------- */ + +/***********************************************************************/ +/* Constructors. */ +/***********************************************************************/ +JMGFAM::JMGFAM(PJDEF tdp) : DOSFAM((PDOSDEF)NULL) +{ + Jcp = NULL; + //Client = NULL; + //Database = NULL; + //Collection = NULL; + //Cursor = NULL; + //Query = NULL; + //Opts = NULL; + Ops.Driver = tdp->Schema; + Ops.Url = tdp->Uri; + Ops.User = NULL; + Ops.Pwd = NULL; + Ops.Scrollable = false; + Ops.Fsize = 0; + Ops.Version = tdp->Version; + To_Fbt = NULL; + Mode = MODE_ANY; + Uristr = tdp->Uri; + Db_name = tdp->Schema; + Coll_name = tdp->Collname; + Options = tdp->Options; + Filter = tdp->Filter; + Wrapname = tdp->Wrapname; + Done = false; + Pipe = tdp->Pipe; + Version = tdp->Version; + Lrecl = tdp->Lrecl + tdp->Ending; + Curpos = 0; +} // end of JMGFAM Json standard constructor + +#if defined(BSON_SUPPORT) +JMGFAM::JMGFAM(PBDEF tdp) : DOSFAM((PDOSDEF)NULL) +{ + Jcp = NULL; + Ops.Driver = tdp->Schema; + Ops.Url = tdp->Uri; + Ops.User = NULL; + Ops.Pwd = NULL; + Ops.Scrollable = false; + Ops.Fsize = 0; + Ops.Version = tdp->Version; + To_Fbt = NULL; + Mode = MODE_ANY; + Uristr = tdp->Uri; + Db_name = tdp->Schema; + Coll_name = tdp->Collname; + Options = tdp->Options; + Filter = tdp->Filter; + Wrapname = tdp->Wrapname; + Done = false; + Pipe = tdp->Pipe; + Version = tdp->Version; + Lrecl = tdp->Lrecl + tdp->Ending; + Curpos = 0; +} // end of JMGFAM Bson standard constructor +#endif // BSON_SUPPORT + +JMGFAM::JMGFAM(PJMGFAM tdfp) : DOSFAM(tdfp) +{ + Jcp = tdfp->Jcp; + //Client = tdfp->Client; + //Database = NULL; + //Collection = tdfp->Collection; + //Cursor = tdfp->Cursor; + //Query = tdfp->Query; + //Opts = tdfp->Opts; + Ops = tdfp->Ops; + To_Fbt = tdfp->To_Fbt; + Mode = tdfp->Mode; + Uristr = tdfp->Uristr; + Db_name = tdfp->Db_name; + Coll_name = tdfp->Coll_name; + Options = tdfp->Options; + Filter = NULL; + Wrapname = tdfp->Wrapname; + Done = tdfp->Done; + Pipe = tdfp->Pipe; + Version = tdfp->Version; + Curpos = tdfp->Curpos; +} // end of JMGFAM copy constructor + +/***********************************************************************/ +/* Reset: reset position values at the beginning of file. */ +/***********************************************************************/ +void JMGFAM::Reset(void) +{ + TXTFAM::Reset(); + Fpos = Tpos = Spos = 0; +} // end of Reset + +/***********************************************************************/ +/* MGO GetFileLength: returns file size in number of bytes. */ +/***********************************************************************/ +int JMGFAM::GetFileLength(PGLOBAL g) +{ + return 0; +} // end of GetFileLength + +/***********************************************************************/ +/* Cardinality: returns table cardinality in number of rows. */ +/* This function can be called with a null argument to test the */ +/* availability of Cardinality implementation (1 yes, 0 no). */ +/***********************************************************************/ +int JMGFAM::Cardinality(PGLOBAL g) +{ + if (!g) + return 1; + + return (!Init(g)) ? Jcp->CollSize(g) : 0; +} // end of Cardinality + +/***********************************************************************/ +/* Note: This function is not really implemented yet. */ +/***********************************************************************/ +int JMGFAM::MaxBlkSize(PGLOBAL, int s) +{ + return s; +} // end of MaxBlkSize + +/***********************************************************************/ +/* Init: initialize MongoDB processing. */ +/***********************************************************************/ +bool JMGFAM::Init(PGLOBAL g) +{ + if (Done) + return false; + + /*********************************************************************/ + /* Open an JDBC connection for this table. */ + /* Note: this may not be the proper way to do. Perhaps it is better */ + /* to test whether a connection is already open for this datasource */ + /* and if so to allocate just a new result set. But this only for */ + /* drivers allowing concurency in getting results ??? */ + /*********************************************************************/ + if (!Jcp) + Jcp = new(g) JMgoConn(g, Coll_name, Wrapname); + else if (Jcp->IsOpen()) + Jcp->Close(); + + if (Jcp->Connect(&Ops)) + return true; + + Done = true; + return false; +} // end of Init + +/***********************************************************************/ +/* OpenTableFile: Open a MongoDB table. */ +/***********************************************************************/ +bool JMGFAM::OpenTableFile(PGLOBAL g) +{ + Mode = Tdbp->GetMode(); + + if (Pipe && Mode != MODE_READ) { + strcpy(g->Message, "Pipeline tables are read only"); + return true; + } // endif Pipe + + if (Init(g)) + return true; + + if (Jcp->GetMethodId(g, Mode)) + return true; + + if (Mode == MODE_DELETE && !Tdbp->GetNext()) { + // Delete all documents + if (!Jcp->MakeCursor(g, Tdbp, "all", Filter, false)) + if (Jcp->DocDelete(g, true) == RC_OK) + return false; + + return true; + } // endif Mode + +//if (Mode == MODE_INSERT) +// Jcp->MakeColumnGroups(g, Tdbp); + + if (Mode != MODE_UPDATE) + return Jcp->MakeCursor(g, Tdbp, Options, Filter, Pipe); + + return false; + } // end of OpenTableFile + +/***********************************************************************/ +/* GetRowID: return the RowID of last read record. */ +/***********************************************************************/ +int JMGFAM::GetRowID(void) +{ + return Rows; +} // end of GetRowID + +/***********************************************************************/ +/* GetPos: return the position of last read record. */ +/***********************************************************************/ +int JMGFAM::GetPos(void) +{ + return Fpos; +} // end of GetPos + +/***********************************************************************/ +/* GetNextPos: return the position of next record. */ +/***********************************************************************/ +int JMGFAM::GetNextPos(void) +{ + return Fpos; // TODO +} // end of GetNextPos + +/***********************************************************************/ +/* SetPos: Replace the table at the specified position. */ +/***********************************************************************/ +bool JMGFAM::SetPos(PGLOBAL g, int pos) +{ + Fpos = pos; + Placed = true; + return false; +} // end of SetPos + +/***********************************************************************/ +/* Record file position in case of UPDATE or DELETE. */ +/***********************************************************************/ +bool JMGFAM::RecordPos(PGLOBAL g) +{ + strcpy(g->Message, "JMGFAM::RecordPos NIY"); + return true; +} // end of RecordPos + +/***********************************************************************/ +/* Initialize Fpos and the current position for indexed DELETE. */ +/***********************************************************************/ +int JMGFAM::InitDelete(PGLOBAL g, int fpos, int spos) +{ + strcpy(g->Message, "JMGFAM::InitDelete NIY"); + return RC_FX; +} // end of InitDelete + +/***********************************************************************/ +/* Skip one record in file. */ +/***********************************************************************/ +int JMGFAM::SkipRecord(PGLOBAL g, bool header) +{ + return RC_OK; // Dummy +} // end of SkipRecord + +/***********************************************************************/ +/* ReadBuffer: Get next document from a collection. */ +/***********************************************************************/ +int JMGFAM::ReadBuffer(PGLOBAL g) +{ + int rc = RC_FX; + + if (!Curpos && Mode == MODE_UPDATE) + if (Jcp->MakeCursor(g, Tdbp, Options, Filter, Pipe)) + return RC_FX; + + if (++CurNum >= Rbuf) { + Rbuf = Jcp->Fetch(); + Curpos++; + CurNum = 0; + } // endif CurNum + + if (Rbuf > 0) { + PSZ str = Jcp->GetDocument(); + + if (str) { + if (trace(1)) + htrc("%s\n", str); + + strncpy(Tdbp->GetLine(), str, Lrecl); + rc = RC_OK; + } else + strcpy(g->Message, "Null document"); + + } else if (!Rbuf) + rc = RC_EF; + + return rc; +} // end of ReadBuffer + +/***********************************************************************/ +/* WriteBuffer: File write routine for JMG access method. */ +/***********************************************************************/ +int JMGFAM::WriteBuffer(PGLOBAL g) +{ + int rc = RC_OK; + + if (Mode == MODE_INSERT) { + rc = Jcp->DocWrite(g, Tdbp->GetLine()); + } else if (Mode == MODE_DELETE) { + rc = Jcp->DocDelete(g, false); + } else if (Mode == MODE_UPDATE) { + rc = Jcp->DocUpdate(g, Tdbp); + } // endif Mode + + return rc; +} // end of WriteBuffer + +/***********************************************************************/ +/* Data Base delete line routine for MGO and BLK access methods. */ +/***********************************************************************/ +int JMGFAM::DeleteRecords(PGLOBAL g, int irc) +{ + return (irc == RC_OK) ? WriteBuffer(g) : RC_OK; +} // end of DeleteRecords + +/***********************************************************************/ +/* Table file close routine for MGO access method. */ +/***********************************************************************/ +void JMGFAM::CloseTableFile(PGLOBAL g, bool) +{ + Jcp->Close(); + Done = false; +} // end of CloseTableFile + +/***********************************************************************/ +/* Rewind routine for MGO access method. */ +/***********************************************************************/ +void JMGFAM::Rewind(void) +{ + Jcp->Rewind(); +} // end of Rewind + |