Merge branch 'connect/10.2' into 10.2

storage/connect/CMakeLists.txt

@@ -38,7 +38,7 @@ user_connect.h valblk.h value.h xindex.h xobject.h xtable.h)
 # Definitions that are shared for all OSes
 #
 add_definitions( -DMARIADB -DFORCE_INIT_OF_VARS -Dconnect_EXPORTS)
-add_definitions( -DHUGE_SUPPORT -DGZ_SUPPORT -DPIVOT_SUPPORT -DUSE_TRY )
+add_definitions( -DHUGE_SUPPORT -DGZ_SUPPORT -DPIVOT_SUPPORT )
 
 
 #
@@ -245,7 +245,7 @@ int main() {
 ENDIF(CONNECT_WITH_ODBC)
 
 #
-# JDBC
+# JDBC and MongoDB Java Driver
 #
 IF(APPLE)
   OPTION(CONNECT_WITH_JDBC "Compile CONNECT storage engine without JDBC support" OFF)
@@ -262,9 +262,13 @@ IF(CONNECT_WITH_JDBC)
     INCLUDE_DIRECTORIES(${JAVA_INCLUDE_PATH2})
     # SET(JDBC_LIBRARY ${JAVA_JVM_LIBRARY}) will be dynamically linked
     SET(CONNECT_SOURCES ${CONNECT_SOURCES}
-    jdbconn.cpp tabjdbc.cpp jdbconn.h tabjdbc.h jdbccat.h
+    javaconn.cpp jdbconn.cpp tabjdbc.cpp
+    jmgoconn.cpp jmgfam.cpp mongo.cpp tabjmg.cpp
+    jdbccat.h javaconn.h jdbconn.h tabjdbc.h
+    jmgoconn.h jmgfam.h mongo.h tabjmg.h
     JdbcInterface.java ApacheInterface.java MariadbInterface.java
     MysqlInterface.java OracleInterface.java PostgresqlInterface.java
+    Mongo2Interface.java Mongo3Interface.java
     JavaWrappers.jar)
     # TODO: Find how to compile and install the java wrapper classes
     # Find required libraries and include directories
@@ -291,6 +295,36 @@ IF(CONNECT_WITH_ZIP)
   add_definitions(-DZIP_SUPPORT -DNOCRYPT)
 ENDIF(CONNECT_WITH_ZIP)
 
+#
+# MONGO C Driver (CMAKE NOT YET WORKING)
+#
+
+#OPTION(CONNECT_WITH_MONGO "Compile CONNECT storage engine with MONGO support" ON)
+
+#IF(CONNECT_WITH_MONGO)
+#  IF(WIN32)
+#    # Adding some typical places to search in
+#    SET(PC_MONGO_INCLUDE_DIRS
+#        C:/mongo-c-driver/include
+#        D:/mongo-c-driver/include)
+#    SET(PC_MONGO_LIBRARY_DIRS
+#        C:/mongo-c-driver/lib
+#        D:/mongo-c-driver/lib)
+#  ENDIF(WIN32)
+#  FIND_PACKAGE(libmongoc)
+#  IF (MONGO_FOUND)
+#    INCLUDE_DIRECTORIES(${MONGO_INCLUDE_DIR})
+#    SET(MONGO_LIBRARY   ${MONGO_LIBRARIES})
+#    SET(CONNECT_SOURCES ${CONNECT_SOURCES} 
+#    cmgoconn.cpp mongofam.cpp tabmgo.cpp
+#    cmgoconn.h mongofam.h tabmgo.h)
+#    IF (NOT JAVA_FOUND AND JNI_FOUND)
+#      SET(CONNECT_SOURCES ${CONNECT_SOURCES} mongo.cpp mongo.h)
+#    ENDIF (NOT JAVA_FOUND AND JNI_FOUND)
+#    add_definitions(-DMONGO_SUPPORT)
+#  ENDIF(MONGO_FOUND)
+#ENDIF(CONNECT_WITH_MONGO)
+
 
 #
 # XMAP
@@ -310,6 +344,8 @@ MYSQL_ADD_PLUGIN(connect ${CONNECT_SOURCES}
   STORAGE_ENGINE
   COMPONENT connect-engine
   RECOMPILE_FOR_EMBEDDED
+#  LINK_LIBRARIES ${ZLIB_LIBRARY} ${XML_LIBRARY} ${ICONV_LIBRARY} $(MONGO_LIBRARY)
   LINK_LIBRARIES ${ZLIB_LIBRARY} ${XML_LIBRARY} ${ICONV_LIBRARY}
                  ${ODBC_LIBRARY} ${JDBC_LIBRARY} ${IPHLPAPI_LIBRARY})
 
+

storage/connect/Mongo2Interface.java

+package wrappers;
+
+import java.util.Date;
+import java.util.List;
+import java.util.Set;
+
+import com.mongodb.AggregationOptions;
+import com.mongodb.BasicDBList;
+import com.mongodb.BasicDBObject;
+import com.mongodb.Cursor;
+import com.mongodb.DB;
+import com.mongodb.DBCollection;
+import com.mongodb.DBObject;
+import com.mongodb.MongoClient;
+import com.mongodb.MongoClientURI;
+import com.mongodb.MongoException;
+import com.mongodb.WriteConcernException;
+import com.mongodb.WriteResult;
+import com.mongodb.util.JSON;
+
+public class Mongo2Interface {
+	boolean DEBUG = false;
+	String Errmsg = "No error";
+	Set<String> Colnames = null;
+	Cursor cursor = null;
+	MongoClient client = null;
+	DB db = null;
+	DBCollection coll = null;
+	BasicDBObject doc = null;
+	BasicDBObject dbq = null;
+	BasicDBObject dbf = null;
+	List<DBObject> pip = null;
+	AggregationOptions aop = null;
+
+	// === Constructors/finalize =========================================
+	public Mongo2Interface() {
+		this(false);
+	} // end of default constructor
+
+	public Mongo2Interface(boolean b) {
+		DEBUG = b;
+	} // end of constructor
+
+	protected void SetErrmsg(String str) {
+		if (DEBUG)
+			System.out.println(str);
+
+		Errmsg = str;
+	} // end of SetErrmsg
+
+	protected void SetErrmsg(Exception e) {
+		if (DEBUG)
+			System.out.println(e.getMessage());
+
+		Errmsg = e.toString();
+	} // end of SetErrmsg
+
+	public String GetErrmsg() {
+		String err = Errmsg;
+
+		Errmsg = "No error";
+		return err;
+	} // end of GetErrmsg
+
+	public int MongoConnect(String[] parms) {
+		int rc = 0;
+
+		if (DEBUG)
+			System.out.println("Mongo2: URI=" + parms[0] + " DB=" + parms[1]);
+
+		try {
+			MongoClientURI uri = new MongoClientURI(parms[0]);
+
+			client = new MongoClient(uri);
+
+			if (DEBUG)
+				System.out.println("Connection " + client.toString() + " established");
+
+			// Now connect to your databases
+			db = client.getDB(parms[1]);
+
+			if (parms[2] != null && !parms[2].isEmpty()) {
+				if (DEBUG)
+					System.out.println("user=" + parms[2] + " pwd=" + parms[3]);
+
+				@SuppressWarnings("deprecation")
+				boolean auth = db.authenticate(parms[2], parms[3].toCharArray());
+
+				if (DEBUG)
+					System.out.println("Authentication: " + auth);
+
+			} // endif user
+
+		} catch (MongoException me) {
+			SetErrmsg(me);
+			rc = -1;
+		} catch (Exception e) {
+			SetErrmsg(e);
+			rc = -3;
+		} // end try/catch
+
+		return rc;
+	} // end of MongoConnect
+
+	public int MongoDisconnect() {
+		int rc = 0;
+
+		try {
+			if (cursor != null) {
+				if (DEBUG)
+					System.out.println("Closing cursor");
+
+				cursor.close();
+				cursor = null;
+			} // endif client
+
+			if (client != null) {
+				if (DEBUG)
+					System.out.println("Closing connection");
+
+				client.close();
+				client = null;
+			} // endif client
+
+		} catch (MongoException se) {
+			SetErrmsg(se);
+			rc += 8;
+		} // end try/catch
+
+		return rc;
+	} // end of MongoDisconnect
+
+	public boolean GetCollection(String name) {
+		if (DEBUG)
+			System.out.println("GetCollection: name=" + name);
+
+		try {
+			coll = db.getCollection(name);
+		} catch (Exception e) {
+			SetErrmsg(e);
+			return true;
+		} // end try/catch
+
+		return false;
+	} // end of GetCollection
+
+	public long GetCollSize() {
+		return (coll != null) ? coll.count() : 0;
+	} // end of GetCollSize
+
+	public boolean FindColl(String query, String fields) {
+		if (DEBUG)
+			System.out.println("FindColl: query=" + query + " fields=" + fields);
+
+		try {
+			if (query != null || fields != null) {
+				dbq = (BasicDBObject) JSON.parse((query != null) ? query : "{}");
+
+				if (fields != null) {
+					dbf = (BasicDBObject) JSON.parse(fields);
+					cursor = coll.find(dbq, dbf);
+				} else
+					cursor = coll.find(dbq);
+
+			} else
+				cursor = coll.find();
+
+		} catch (Exception e) {
+			SetErrmsg(e);
+			return true;
+		} // end try/catch
+
+		return false;
+	} // end of FindColl
+
+	@SuppressWarnings("unchecked")
+	public boolean AggregateColl(String pipeline) {
+		if (DEBUG)
+			System.out.println("AggregateColl: pipeline=" + pipeline);
+
+		try {
+			DBObject pipe = (DBObject) JSON.parse(pipeline);
+
+			pip = (List<DBObject>) pipe.get("pipeline");
+			aop = AggregationOptions.builder().batchSize(0).allowDiskUse(true)
+					.outputMode(AggregationOptions.OutputMode.CURSOR).build();
+			cursor = coll.aggregate(pip, aop);
+		} catch (MongoException me) {
+			SetErrmsg(me);
+			return true;
+		} // end try/catch
+
+		return false;
+	} // end of AggregateColl
+
+	public boolean Rewind() {
+		if (cursor != null)
+			cursor.close();
+
+		if (pip == null) {
+			if (dbf != null)
+				cursor = coll.find(dbq, dbf);
+			else if (dbq != null)
+				cursor = coll.find(dbq);
+			else
+				cursor = coll.find();
+
+		} else
+			cursor = coll.aggregate(pip, aop);
+
+		return (cursor == null);
+	} // end of Rewind
+
+	public int ReadNext() {
+		try {
+			if (cursor.hasNext()) {
+				doc = (BasicDBObject) cursor.next();
+
+				if (DEBUG)
+					System.out.println("Class doc = " + doc.getClass());
+
+				Colnames = doc.keySet();
+				return 1;
+			} else
+				return 0;
+
+		} catch (MongoException me) {
+			SetErrmsg(me);
+			return -1;
+		} // end try/catch
+
+	} // end of ReadNext
+
+	public boolean Fetch(int row) {
+		if (cursor.hasNext()) {
+			doc = (BasicDBObject) cursor.next();
+			Colnames = doc.keySet();
+			return true;
+		} else
+			return false;
+
+	} // end of Fetch
+
+	public String GetDoc() {
+		return (doc != null) ? doc.toString() : null;
+	} // end of GetDoc
+
+	public Set<String> GetColumns() {
+		if (doc != null)
+			return doc.keySet();
+		else
+			return null;
+
+	} // end of GetColumns
+
+	public String ColumnDesc(int n, int[] val) {
+		// if (rsmd == null) {
+		// System.out.println("No result metadata");
+		// return null;
+		// } else try {
+		// val[0] = rsmd.getColumnType(n);
+		// val[1] = rsmd.getPrecision(n);
+		// val[2] = rsmd.getScale(n);
+		// val[3] = rsmd.isNullable(n);
+		// return rsmd.getColumnLabel(n);
+		// } catch (SQLException se) {
+		// SetErrmsg(se);
+		// } //end try/catch
+
+		return null;
+	} // end of ColumnDesc
+
+	protected Object GetFieldObject(String path) {
+		Object o = null;
+		BasicDBObject dob = null;
+		BasicDBList lst = null;
+		String[] names = null;
+
+		if (path == null || path.equals("*"))
+			return doc;
+		else if (doc instanceof BasicDBObject)
+			dob = doc;
+		// else if (o instanceof BasicDBList)
+		// lst = (BasicDBList) doc;
+		else
+			return doc;
+
+		try {
+			names = path.split("\\.");
+
+			for (String name : names) {
+				if (lst != null) {
+					o = lst.get(Integer.parseInt(name));
+				} else
+					o = dob.get(name);
+
+				if (o == null)
+					break;
+
+				if (DEBUG)
+					System.out.println("Class o = " + o.getClass());
+
+				if (o instanceof BasicDBObject) {
+					dob = (BasicDBObject) o;
+					lst = null;
+				} else if (o instanceof BasicDBList) {
+					lst = (BasicDBList) o;
+				} else
+					break;
+
+			} // endfor name
+
+		} catch (IndexOutOfBoundsException x) {
+			o = null;
+		} catch (MongoException se) {
+			SetErrmsg(se);
+			o = null;
+		} // end try/catch
+
+		return o;
+	} // end of GetFieldObject
+
+	public String GetField(String path) {
+		Object o = GetFieldObject(path);
+
+		if (o != null) {
+			if (o instanceof Date) {
+				Integer TS = (int) (((Date) o).getTime() / 1000);
+				return TS.toString();
+			} // endif Date
+
+			return o.toString();
+		} else
+			return null;
+
+	} // end of GetField
+
+	public Object MakeDocument() {
+		return new BasicDBObject();
+	} // end of MakeDocument
+
+	public boolean DocAdd(Object bdc, String key, Object val) {
+		try {
+			((BasicDBObject) bdc).append(key, val);
+		} catch (MongoException me) {
+			SetErrmsg(me);
+			return true;
+		} // end try/catch
+
+		return false;
+	} // end of DocAdd
+
+	public Object MakeArray() {
+		return new BasicDBList();
+	} // end of MakeArray
+
+	public boolean ArrayAdd(Object bar, int n, Object val) {
+		try {
+			((BasicDBList) bar).put(n, val);
+		} catch (MongoException me) {
+			SetErrmsg(me);
+			return true;
+		} catch (Exception ex) {
+			SetErrmsg(ex);
+			return true;
+		} // end try/catch
+
+		return false;
+	} // end of ArrayAdd
+
+	public boolean CollInsert(Object dob) {
+		try {
+			coll.insert((BasicDBObject) dob);
+		} catch (MongoException me) {
+			SetErrmsg(me);
+			return true;
+		} catch (Exception ex) {
+			SetErrmsg(ex);
+			return true;
+		} // end try/catch
+
+		return false;
+	} // end of CollInsert
+
+	public long CollUpdate(Object upd) {
+		long n = -1;
+
+		if (DEBUG)
+			System.out.println("upd: " + upd.toString());
+
+		try {
+			DBObject qry = new BasicDBObject("_id", doc.get("_id"));
+
+			WriteResult res = coll.update(qry, (DBObject) upd);
+
+			if (DEBUG)
+				System.out.println("CollUpdate: " + res.toString());
+
+			n = res.getN();
+		} catch (MongoException me) {
+			SetErrmsg(me);
+		} catch (Exception ex) {
+			SetErrmsg(ex);
+		} // end try/catch
+
+		return n;
+	} // end of CollUpdate
+
+	public long CollDelete(boolean all) {
+		long n = -1;
+
+		try {
+			WriteResult res;
+			BasicDBObject qry = new BasicDBObject();
+
+			if (!all)
+				qry.append("_id", doc.get("_id"));
+
+			res = coll.remove(qry);
+
+			if (DEBUG)
+				System.out.println("CollDelete: " + res.toString());
+
+			n = res.getN();
+		} catch (WriteConcernException wx) {
+			SetErrmsg(wx);
+		} catch (MongoException me) {
+			SetErrmsg(me);
+		} catch (UnsupportedOperationException ux) {
+			SetErrmsg(ux);
+			n = 0;
+		} // end try/catch
+
+		return n;
+	} // end of CollDelete
+
+} // end of class MongoInterface

storage/connect/array.cpp

@@ -520,7 +520,7 @@ bool ARRAY::FilTest(PGLOBAL g, PVAL valp, OPVAL opc, int opm)
 
   } else if (opc != OP_EXIST) {
 		sprintf(g->Message, MSG(MISSING_ARG), opc);
-		throw	TYPE_ARRAY;
+		throw	(int)TYPE_ARRAY;
   } else    // OP_EXIST
     return Nval > 0;
 
@@ -683,14 +683,14 @@ void ARRAY::SetPrecision(PGLOBAL g, int p)
   {
   if (Vblp == NULL) {
     strcpy(g->Message, MSG(PREC_VBLP_NULL));
-		throw TYPE_ARRAY;
+		throw (int)TYPE_ARRAY;
     } // endif Vblp
 
   bool was = Vblp->IsCi();
 
   if (was && !p) {
     strcpy(g->Message, MSG(BAD_SET_CASE));
-		throw TYPE_ARRAY;
+		throw (int)TYPE_ARRAY;
 	} // endif Vblp
 
   if (was || !p)
@@ -701,7 +701,7 @@ void ARRAY::SetPrecision(PGLOBAL g, int p)
   if (!was && Type == TYPE_STRING)
     // Must be resorted to eliminate duplicate strings
     if (Sort(g))
-			throw TYPE_ARRAY;
+			throw (int)TYPE_ARRAY;
 
   } // end of SetPrecision
 
@@ -975,7 +975,7 @@ int ARRAY::BlockTest(PGLOBAL, int opc, int opm,
 PSZ ARRAY::MakeArrayList(PGLOBAL g)
   {
   char   *p, *tp;
-  int    i;
+  int     i;
   size_t  z, len = 2;
 
   if (Type == TYPE_LIST)
@@ -1035,7 +1035,7 @@ void ARRAY::Printf(PGLOBAL g, FILE *f, uint n)
   } else
     fprintf(f, "%sVALLST: numval=%d\n", m, Nval);
 
-  } // end of Print
+  } // end of Printf
 
 /***********************************************************************/
 /*  Make string output of ARRAY  contents.                             */
@@ -1047,7 +1047,7 @@ void ARRAY::Prints(PGLOBAL, char *ps, uint z)
 
   sprintf(ps, "ARRAY: type=%d\n", Type);
   // More to be implemented later
-  } // end of Print
+  } // end of Prints
 
 /* -------------------------- Class MULAR ---------------------------- */
 

storage/connect/blkfil.cpp

@@ -65,7 +65,7 @@ void BLOCKFILTER::Printf(PGLOBAL, FILE *f, uint n)
 
   fprintf(f, "%sBLOCKFILTER: at %p opc=%d opm=%d result=%d\n",
           m, this, Opc, Opm, Result);
-  } // end of Print
+  } // end of Printf
 
 /***********************************************************************/
 /*  Make string output of BLOCKFILTER contents.                        */
@@ -73,7 +73,7 @@ void BLOCKFILTER::Printf(PGLOBAL, FILE *f, uint n)
 void BLOCKFILTER::Prints(PGLOBAL, char *ps, uint z)
   {
   strncat(ps, "BlockFilter(s)", z);
-  } // end of Print
+  } // end of Prints
 
 
 /* ---------------------- Class BLKFILLOG ---------------------------- */
@@ -412,7 +412,7 @@ void BLKFILMR2::MakeValueBitmap(void)
   Void = !Bmp[N];          // There are no good values in the file
 
   for (i = 0; i < N; i++) {
-    Bxp[i] = ~0U;
+    Bxp[i] = ~0;
 
     if (noteq)
       Bmp[i] = Bxp[i];
@@ -708,7 +708,7 @@ void BLKFILIN2::MakeValueBitmap(void)
   Void = !Bmp[N];          // There are no good values in the file
 
   for (i = 0; i < N; i++) {
-    Bxp[i] = ~0U;
+    Bxp[i] = ~0;
 
     if (noteq) {
       Bmp[i] = Bxp[i];
@@ -828,7 +828,7 @@ BLKFILIN2::BLKFILIN2(PGLOBAL g, PTDBDOS tdbp, int op, int opm, PXOB *xp)
         Bxp[i] |= btp;
 
       for (N = i--; i >= 0; i--)
-        Bxp[i] = ~0U;
+        Bxp[i] = ~0;
 
       break;
       } // endif Bmp
@@ -1006,9 +1006,9 @@ void BLOCKINDEX::Printf(PGLOBAL g, FILE *f, UINT n)
     m, this, Next, (Colp) ? Colp->GetName() : "Rowid", Kxp, Result);
 
   if (Next)
-    Next->Print(g, f, n);
+    Next->Printf(g, f, n);
 
-  } // end of Print
+  } // end of Printf
 
 /***********************************************************************/
 /*  Make string output of BLOCKINDEX contents.                         */
@@ -1016,7 +1016,7 @@ void BLOCKINDEX::Printf(PGLOBAL g, FILE *f, UINT n)
 void BLOCKINDEX::Prints(PGLOBAL g, char *ps, UINT z)
   {
   strncat(ps, "BlockIndex(es)", z);
-  } // end of Print
+  } // end of Prints
 
 /* ------------------------------------------------------------------- */
 

storage/connect/cmgoconn.h

+/***********************************************************************/
+/*  CMgoConn.h : header file for the MongoDB connection classes.       */
+/***********************************************************************/
+
+/***********************************************************************/
+/*  Include MongoDB library header files.                       	  	 */
+/***********************************************************************/
+#include <bson.h>
+#include <bcon.h>
+#include <mongoc.h>
+
+// C connection to a MongoDB data source
+class TDBMGO;
+class MGOCOL;
+
+/***********************************************************************/
+/*  Include MongoDB library header files.                       	  	 */
+/***********************************************************************/
+typedef class INCOL  *PINCOL;
+typedef class MGODEF *PMGODEF;
+typedef class TDBMGO *PTDBMGO;
+typedef class MGOCOL *PMGOCOL;
+
+typedef struct mongo_parms {
+	PTDB Tdbp;
+	PCSZ Uristr;               // Driver URI
+	PCSZ Db_name;
+	PCSZ Coll_name;
+	PCSZ Options;
+	PCSZ Filter;
+	bool Pipe;
+//PCSZ User;                 // User connect info
+//PCSZ Pwd;                  // Password connect info
+//int  Fsize;								 // Fetch size
+//bool Scrollable;					 // Scrollable cursor
+} CMGOPARM, *PCPARM;
+
+typedef struct KEYCOL {
+	KEYCOL *Next;
+	PINCOL  Incolp;
+	PCOL    Colp;
+	char   *Key;
+} *PKC;
+
+/***********************************************************************/
+/*  Used when inserting values in a MongoDB collection.                */
+/***********************************************************************/
+class INCOL : public BLOCK {
+public:
+	// Constructor
+	INCOL(bool ar) { Klist = NULL; Array = ar; }
+
+	// Methods
+	void AddCol(PGLOBAL g, PCOL colp, char *jp);
+
+	//Members
+	bson_t Child;
+	PKC    Klist;
+	bool   Array;
+}; // end of INCOL;
+
+/***********************************************************************/
+/*  CMgoConn class.                                                   */
+/***********************************************************************/
+class CMgoConn : public BLOCK {
+	friend class TDBMGO;
+	friend class MGODISC;
+public:
+	// Constructor
+	CMgoConn(PGLOBAL g, PCPARM pcg);
+
+	//static void *mgo_alloc(size_t n);
+	//static void *mgo_calloc(size_t n, size_t sz);
+	//static void *mgo_realloc(void *m, size_t n);
+	//static void  mgo_free(void *) {}
+
+	// Implementation
+	bool IsConnected(void) { return m_Connected; }
+	bool Connect(PGLOBAL g);
+	int  CollSize(PGLOBAL g);
+	bool MakeCursor(PGLOBAL g);
+	int  ReadNext(PGLOBAL g);
+	PSZ  GetDocument(PGLOBAL g);
+	void ShowDocument(bson_iter_t *iter, const bson_t *doc, const char *k);
+	void MakeColumnGroups(PGLOBAL g);
+	bool DocWrite(PGLOBAL g, PINCOL icp);
+	int  Write(PGLOBAL g);
+	bool DocDelete(PGLOBAL g);
+	void Rewind(void);
+	void Close(void);
+	PSZ  Mini(PGLOBAL g, PCOL colp, const bson_t *bson, bool b);
+	void GetColumnValue(PGLOBAL g, PCOL colp);
+	bool AddValue(PGLOBAL g, PCOL colp, bson_t *doc, char *key, bool upd);
+
+protected:
+	// Members
+	PCPARM								Pcg;
+	mongoc_uri_t         *Uri;
+	mongoc_client_pool_t *Pool;				// Thread safe client pool
+	mongoc_client_t      *Client;		  // The MongoDB client
+	mongoc_database_t    *Database;	  // The MongoDB database
+	mongoc_collection_t  *Collection; // The MongoDB collection
+	mongoc_cursor_t      *Cursor;
+	const bson_t         *Document;
+	bson_t               *Query;			// MongoDB cursor filter
+	bson_t               *Opts;			  // MongoDB cursor options
+	bson_error_t          Error;
+	bson_iter_t           Iter;				// Used to retrieve column value
+	bson_iter_t           Desc;				// Descendant iter
+	PINCOL                Fpc;				// To insert INCOL classes
+	bool                  m_Connected;
+}; // end of class CMgoConn

storage/connect/colblk.cpp

@@ -197,7 +197,7 @@ int COLBLK::GetLengthEx(void)
 void COLBLK::ReadColumn(PGLOBAL g)
 {
   sprintf(g->Message, MSG(UNDEFINED_AM), "ReadColumn");
-	throw TYPE_COLBLK;
+	throw (int)TYPE_COLBLK;
 } // end of ReadColumn
 
 /***********************************************************************/
@@ -208,7 +208,7 @@ void COLBLK::ReadColumn(PGLOBAL g)
 void COLBLK::WriteColumn(PGLOBAL g)
 {
   sprintf(g->Message, MSG(UNDEFINED_AM), "WriteColumn");
-	throw TYPE_COLBLK;
+	throw (int)TYPE_COLBLK;
 } // end of WriteColumn
 
 /***********************************************************************/
@@ -232,7 +232,7 @@ void COLBLK::Printf(PGLOBAL, FILE *f, uint n)
   fprintf(f,
     " coluse=%04X status=%04X buftyp=%d value=%p name=%s\n",
           ColUse, Status, Buf_Type, Value, Name);
-  } // end of Print
+  } // end of Printf
 
 /***********************************************************************/
 /*  Make string output of a column descriptor block.                   */
@@ -240,7 +240,7 @@ void COLBLK::Printf(PGLOBAL, FILE *f, uint n)
 void COLBLK::Prints(PGLOBAL, char *ps, uint)
   {
   sprintf(ps, "R%d.%s", To_Tdb->GetTdb_No(), Name);
-  } // end of Print
+  } // end of Prints
 
 
 /***********************************************************************/
@@ -262,7 +262,7 @@ SPCBLK::SPCBLK(PCOLUMN cp)
 void SPCBLK::WriteColumn(PGLOBAL g)
 {
   sprintf(g->Message, MSG(SPCOL_READONLY), Name);
-	throw TYPE_COLBLK;
+	throw (int)TYPE_COLBLK;
 } // end of WriteColumn
 
 /***********************************************************************/
@@ -412,4 +412,3 @@ void SIDBLK::ReadColumn(PGLOBAL)
 //  } // endif Sname
 
   } // end of ReadColumn
-

storage/connect/colblk.h

@@ -38,7 +38,8 @@ class DllExport COLBLK : public XOBJECT {
   virtual PTDB    GetTo_Tdb(void) {return To_Tdb;}
   virtual int     GetClustered(void) {return 0;}
   virtual int     IsClustered(void) {return FALSE;}
-          PCOL    GetNext(void) {return Next;}
+	virtual PSZ     GetJpath(PGLOBAL g, bool proj) {return NULL;}
+					PCOL    GetNext(void) {return Next;}
           PSZ     GetName(void) {return Name;}
           int     GetIndex(void) {return Index;}
           ushort  GetColUse(void) {return ColUse;}

storage/connect/connect.cc

-/* Copyright (C) Olivier Bertrand 2004 - 2017
+/* Copyright (C) MariaDB Corporation Ab
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -185,10 +185,10 @@ bool CntInfo(PGLOBAL g, PTDB tp, PXF info)
 /***********************************************************************/
 PTDB CntGetTDB(PGLOBAL g, LPCSTR name, MODE mode, PHC h)
 {
-	PTDB    tdbp;
+	PTDB    tdbp = NULL;
 	PTABLE  tabp;
 	PDBUSER dup = PlgGetUser(g);
-	volatile PCATLG  cat = (dup) ? dup->Catalog : NULL;     // Safe over longjmp
+	volatile PCATLG  cat = (dup) ? dup->Catalog : NULL;  // Safe over throw
 
 	if (trace)
 		printf("CntGetTDB: name=%s mode=%d cat=%p\n", name, mode, cat);

storage/connect/connect.h

-/* Copyright (C) Olivier Bertrand 2004 - 2011
+/* Copyright (C) MariaDB Corporation Ab
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -15,6 +15,7 @@
 
 /**************** Cnt H Declares Source Code File (.H) *****************/
 /*  Name: CONNECT.H    Version 2.4                                     */
+/*  Author Olivier BERTRAND  bertrandop@gmail.com                      */
 /*  This file contains the some based classes declares.                */
 /***********************************************************************/
 #include "filamtxt.h"

storage/connect/engmsg.h

+/* Copyright (C) MariaDB Corporation Ab */
 #define MSG_ACCESS_VIOLATN  "Access violation"
 #define MSG_ADD_BAD_TYPE    "Array add value type mismatch (%s -> %s)"
 #define MSG_ALLOC_ERROR     "Error allocating %s"

storage/connect/filamdbf.cpp

@@ -696,7 +696,7 @@ bool DBFFAM::AllocateBuffer(PGLOBAL g)
     } // endif Headlen
 
   /**************************************************************************/
-  /*  Position the file at the beginning of the data.                        */
+  /*  Position the file at the begining of the data.                        */
   /**************************************************************************/
   if (Tdbp->GetMode() == MODE_INSERT)
     rc = fseek(Stream, 0, SEEK_END);
@@ -1036,7 +1036,7 @@ bool DBMFAM::AllocateBuffer(PGLOBAL g)
     } // endif Headlen
 
   /**************************************************************************/
-  /*  Position the file at the beginning of the data.                        */
+  /*  Position the file at the begining of the data.                        */
   /**************************************************************************/
   Fpos = Mempos = Memory + Headlen;
   Top--;                               // Because of EOF marker

storage/connect/filamvct.cpp

@@ -5,7 +5,7 @@
 /*                                                                     */
 /* COPYRIGHT:                                                          */
 /* ----------                                                          */
-/*  (C) Copyright to the author Olivier BERTRAND          2005-2015    */
+/*  (C) Copyright to the author Olivier BERTRAND          2005-2017    */
 /*                                                                     */
 /* WHAT THIS PROGRAM DOES:                                             */
 /* -----------------------                                             */

storage/connect/filamzip.cpp

@@ -455,7 +455,7 @@ bool UNZIPUTL::WildMatch(PCSZ pat, PCSZ str) {
 			if (!*++pat) return TRUE;
 			goto loopStart;
 		default:
-			if (mapCaseTable[(uchar)*s] != mapCaseTable[(uchar)*p])
+			if (mapCaseTable[(uint)*s] != mapCaseTable[(uint)*p])
 				goto starCheck;
 			break;
 		} /* endswitch */

storage/connect/filter.cpp

@@ -33,11 +33,11 @@
 #include "tabcol.h"
 #include "xtable.h"
 #include "array.h"
-//#include "subquery.h"
 #include "filter.h"
-//#include "token.h"
-//#include "select.h"
 #include "xindex.h"
+#if defined(MONGO_SUPPORT) || defined(JDBC_SUPPORT)
+#include "tabext.h"
+#endif   // MONGO_SUPPORT  || JDBC_SUPPORT
 
 /***********************************************************************/
 /*  Utility routines.                                                  */
@@ -87,7 +87,7 @@ BYTE OpBmp(PGLOBAL g, OPVAL opc)
     case OP_EXIST: bt = 0x00; break;
     default:
       sprintf(g->Message, MSG(BAD_FILTER_OP), opc);
-			throw TYPE_ARRAY;
+			throw (int)TYPE_ARRAY;
 	} // endswitch opc
 
   return bt;
@@ -1406,6 +1406,86 @@ PFIL FILTER::Copy(PTABS t)
   } // end of Copy
 #endif // 0
 
+#if defined(MONGO_SUPPORT) || defined(JDBC_SUPPORT)
+/***********************************************************************/
+/*  Make selector json representation for Mongo tables.                */
+/***********************************************************************/
+bool FILTER::MakeSelector(PGLOBAL g, PSTRG s)
+{
+	s->Append('{');
+
+	if (Opc == OP_AND || Opc == OP_OR) {
+		if (GetArgType(0) != TYPE_FILTER || GetArgType(1) != TYPE_FILTER)
+			return true;
+
+		s->Append("\"$");
+		s->Append(Opc == OP_AND ? "and" : "or");
+		s->Append("\":[");
+
+		if (((PFIL)Arg(0))->MakeSelector(g, s))
+			return true;
+
+		s->Append(',');
+
+		if (((PFIL)Arg(1))->MakeSelector(g, s))
+			return true;
+
+		s->Append(']');
+	} else {
+		if (GetArgType(0) != TYPE_COLBLK)
+			return true;
+
+		s->Append('"');
+		s->Append(((PCOL)Arg(0))->GetJpath(g, false));
+		s->Append("\":{\"$");
+
+		switch (Opc) {
+			case OP_EQ:
+				s->Append("eq");
+				break;
+			case OP_NE:
+				s->Append("ne");
+				break;
+			case OP_GT:
+				s->Append("gt");
+				break;
+			case OP_GE:
+				s->Append("gte");
+				break;
+			case OP_LT:
+				s->Append("lt");
+				break;
+			case OP_LE:
+				s->Append("lte");
+				break;
+			case OP_NULL:
+			case OP_LIKE:
+			case OP_EXIST:
+			default:
+				return true;
+		} // endswitch Opc
+
+		s->Append("\":");
+
+		if (GetArgType(1) == TYPE_COLBLK) {
+			s->Append("\"$");
+			s->Append(((PEXTCOL)Arg(1))->GetJpath(g, false));
+			s->Append('"');
+		} else {
+			char buf[501];
+
+			Arg(1)->Prints(g, buf, 500);
+			s->Append(buf);
+		} // endif Type
+
+		s->Append('}');
+	} // endif Opc
+
+	s->Append('}');
+	return false;
+} // end of MakeSelector
+#endif   // MONGO_SUPPORT  || JDBC_SUPPORT
+
 /*********************************************************************/
 /*  Make file output of FILTER contents.                             */
 /*********************************************************************/
@@ -1437,7 +1517,7 @@ void FILTER::Printf(PGLOBAL g, FILE *f, uint n)
 
     } // endfor fp
 
-  } // end of Print
+  } // end of Printf
 
 /***********************************************************************/
 /*  Make string output of TABLE contents (z should be checked).        */
@@ -1579,7 +1659,7 @@ void FILTER::Prints(PGLOBAL g, char *ps, uint z)
     bcp = bxp;
     } while (bcp); // enddo
 
-  } // end of Print
+  } // end of Prints
 
 
 /* -------------------- Derived Classes Functions -------------------- */
@@ -1697,8 +1777,6 @@ PFIL PrepareFilter(PGLOBAL g, PFIL fp, bool having)
 
   if (trace)
     htrc("PrepareFilter: fp=%p having=%d\n", fp, having);
-//if (fp)
-//  fp->Print(g, debug, 0);
 
   while (fp) {
     if (fp->Opc == OP_SEP)
@@ -1712,7 +1790,7 @@ PFIL PrepareFilter(PGLOBAL g, PFIL fp, bool having)
         break;  // Remove eventual ending separator(s)
 
 //  if (fp->Convert(g, having))
-//			throw TYPE_ARRAY;
+//		(int)throw TYPE_ARRAY;
 
     filp = fp;
     fp = fp->Next;
@@ -1745,7 +1823,7 @@ DllExport bool ApplyFilter(PGLOBAL g, PFIL filp)
 //  return TRUE;
 
   if (filp->Eval(g))
-		throw TYPE_FILTER;
+		throw (int)TYPE_FILTER;
 
   if (trace > 1)
     htrc("PlugFilter filp=%p result=%d\n",

storage/connect/filter.h

 /*************** Filter H Declares Source Code File (.H) ***************/
-/*  Name: FILTER.H    Version 1.2                                      */
+/*  Name: FILTER.H    Version 1.3                                      */
 /*                                                                     */
-/*  (C) Copyright to the author Olivier BERTRAND          2010-2015    */
+/*  (C) Copyright to the author Olivier BERTRAND          2010-2017    */
 /*                                                                     */
 /*  This file contains the FILTER and derived classes declares.        */
 /***********************************************************************/
@@ -61,6 +61,9 @@ class DllExport FILTER : public XOBJECT { /* Filter description block  */
 //virtual PXOB   CheckSubQuery(PGLOBAL, PSQL);
 //virtual bool   CheckLocal(PTDB);
 //virtual int    CheckSpcCol(PTDB tdbp, int n);
+#if defined(MONGO_SUPPORT) || defined(JDBC_SUPPORT)
+					bool   MakeSelector(PGLOBAL g, PSTRG s);
+#endif   // MONGO_SUPPORT  || JDBC_SUPPORT
 	virtual void   Printf(PGLOBAL g, FILE *f, uint n);
   virtual void   Prints(PGLOBAL g, char *ps, uint z);
 //        PFIL   Linearize(bool nosep);

storage/connect/global.h

 /***********************************************************************/
 /*  GLOBAL.H: Declaration file used by all CONNECT implementations.    */
-/*  (C) Copyright Olivier Bertrand                       1993-2017     */
+/*  (C) Copyright MariaDB Corporation Ab                 							 */
+/*  Author Olivier Bertrand                              1993-2017     */
 /***********************************************************************/
 
 /***********************************************************************/
@@ -90,6 +91,7 @@
 #define  TYPE_BIGINT       5
 #define  TYPE_LIST         6
 #define  TYPE_INT          7
+#define  TYPE_DATE         8
 #define  TYPE_DECIM        9
 #define  TYPE_BIN         10
 #define  TYPE_PCHAR       11

storage/connect/ha_connect.h

-/* Copyright (C) Olivier Bertrand 2004 - 2015
+/* Copyright (C) MariaDB Corporation Ab
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -14,6 +14,7 @@
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
 
 /** @file ha_connect.h
+	Author Olivier Bertrand
 
     @brief
   The ha_connect engine is a prototype storage engine to access external data.

storage/connect/inihandl.c

@@ -193,7 +193,7 @@ static void PROFILE_Save( FILE *file, PROFILESECTION *section )
     }
 
     for (key = section->key; key; key = key->next)
-      if (key->name[0]) {
+      if (key->name && key->name[0]) {
         fprintf(file, "%s", SVP(key->name));
 
         if (key->value)

storage/connect/javaconn.h

+/***********************************************************************/
+/*  JavaConn.h : header file for the Java connection classes.          */
+/***********************************************************************/
+
+/***********************************************************************/
+/*  Included C-definition files required by the interface.             */
+/***********************************************************************/
+#include "block.h"
+#include "jdbccat.h"
+
+/***********************************************************************/
+/*  Java native interface.                                             */
+/***********************************************************************/
+#include <jni.h>
+
+/***********************************************************************/
+/*  Constants and defines.                                             */
+/***********************************************************************/
+//  Miscellaneous sizing info
+#define MAX_NUM_OF_MSG   10     // Max number of error messages
+//efine MAX_CURRENCY     30     // Max size of Currency($) string
+#define MAX_TNAME_LEN    32     // Max size of table names
+//efine MAX_FNAME_LEN    256    // Max size of field names
+//efine MAX_STRING_INFO  256    // Max size of string from SQLGetInfo
+//efine MAX_DNAME_LEN    256    // Max size of Recordset names
+//efine MAX_CONNECT_LEN  512    // Max size of Connect string
+//efine MAX_CURSOR_NAME  18     // Max size of a cursor name
+#define DEFAULT_FIELD_TYPE 0    // TYPE_NULL
+
+#if !defined(__WIN__)
+typedef unsigned char *PUCHAR;
+#endif   // !__WIN__
+
+enum JCATINFO {
+	CAT_TAB = 1,      // JDBC Tables
+	CAT_COL = 2,      // JDBC Columns
+	CAT_KEY = 3,      // JDBC PrimaryKeys
+//CAT_STAT = 4,     // SQLStatistics
+//CAT_SPC = 5       // SQLSpecialColumns
+};
+
+/***********************************************************************/
+/*  This structure is used to control the catalog functions.           */
+/***********************************************************************/
+typedef struct tagJCATPARM {
+	JCATINFO Id;                 // Id to indicate function 
+	PQRYRES  Qrp;                // Result set pointer
+	PCSZ     DB;                 // Database (Schema)
+	PCSZ     Tab;                // Table name or pattern
+	PCSZ     Pat;                // Table type or column pattern
+} JCATPARM;
+
+typedef jint(JNICALL *CRTJVM) (JavaVM **, void **, void *);
+typedef jint(JNICALL *GETJVM) (JavaVM **, jsize, jsize *);
+#if defined(_DEBUG)
+typedef jint(JNICALL *GETDEF) (void *);
+#endif   // _DEBUG
+
+class JAVAConn;
+
+/***********************************************************************/
+/*  JAVAConn class.                                                    */
+/***********************************************************************/
+class JAVAConn : public BLOCK {
+	friend class TDBJMG;
+private:
+	JAVAConn();                      // Standard (unused) constructor
+
+public:
+	// Constructor
+	JAVAConn(PGLOBAL g, PCSZ wrapper);
+
+	// Set static variables
+	static void SetJVM(void) {
+		LibJvm = NULL;
+		CreateJavaVM = NULL;
+		GetCreatedJavaVMs = NULL;
+#if defined(_DEBUG)
+		GetDefaultJavaVMInitArgs = NULL;
+#endif   // _DEBUG
+	}	// end of SetJVM
+
+	static void ResetJVM(void);
+	static bool GetJVM(PGLOBAL g);
+
+	// Implementation
+public:
+	//virtual ~JAVAConn();
+	bool IsOpen(void) { return m_Opened; }
+	bool IsConnected(void) { return m_Connected; }
+
+	// Java operations
+protected:
+	bool gmID(PGLOBAL g, jmethodID& mid, const char *name, const char *sig);
+	bool Check(jint rc = 0);
+
+public:
+	virtual void AddJars(PSTRG jpop, char sep) = 0;
+	virtual bool Connect(PJPARM sop) = 0;
+	virtual bool Open(PGLOBAL g);
+	virtual bool MakeCursor(PGLOBAL g, PTDB tdbp, PCSZ options, 
+		                                            PCSZ filter, bool pipe) = 0;
+	virtual void Close(void);
+
+protected:
+	// Members
+#if defined(__WIN__)
+	static HANDLE LibJvm;              // Handle to the jvm DLL
+#else   // !__WIN__
+	static void  *LibJvm;              // Handle for the jvm shared library
+#endif  // !__WIN__
+	static CRTJVM CreateJavaVM;
+	static GETJVM GetCreatedJavaVMs;
+#if defined(_DEBUG)
+	static GETDEF GetDefaultJavaVMInitArgs;
+#endif   // _DEBUG
+	PGLOBAL   m_G;
+	JavaVM   *jvm;                      // Pointer to the JVM (Java Virtual Machine)
+	JNIEnv   *env;                      // Pointer to native interface
+	jclass    jdi;											// Pointer to the java wrapper class
+	jobject   job;											// The java wrapper class object
+	jmethodID errid;										// The GetErrmsg method ID
+	bool      m_Opened;
+	bool      m_Connected;
+	PCSZ      DiscFunc;
+	PCSZ      Msg;
+	PCSZ      m_Wrap;
+	int       m_Rows;
+}; // end of JAVAConn class definition

storage/connect/jdbccat.h

+#ifndef __JDBCCAT_H
+#define __JDBCCAT_H
+
 // Timeout and net wait defaults
 #define DEFAULT_LOGIN_TIMEOUT -1                  // means do not set
 #define DEFAULT_QUERY_TIMEOUT -1                  // means do not set
@@ -8,9 +11,9 @@ typedef struct jdbc_parms {
 	PCSZ  Url;                  // Driver URL
 	PCSZ  User;                 // User connect info
 	PCSZ  Pwd;                  // Password connect info
-//char *Properties;						// Connection property list
 //int   Cto;                  // Connect timeout
 //int   Qto;                  // Query timeout
+	int   Version;							// Driver version
 	int   Fsize;								// Fetch size
 	bool  Scrollable;						// Scrollable cursor
 } JDBCPARM, *PJPARM;
@@ -28,3 +31,5 @@ PQRYRES JDBCSrcCols(PGLOBAL g, PCSZ src, PJPARM sop);
 PQRYRES JDBCTables(PGLOBAL g, PCSZ db, PCSZ tabpat,
 	PCSZ tabtyp, int maxres, bool info, PJPARM sop);
 PQRYRES JDBCDrivers(PGLOBAL g, int maxres, bool info);
+
+#endif // __JDBCCAT_H

storage/connect/jdbconn.h

 /***********************************************************************/
 /*  JDBConn.h : header file for the JDBC connection classes.           */
 /***********************************************************************/
-//nclude <windows.h>                           /* Windows include file */
-//nclude <windowsx.h>                          /* Message crackers     */
-
-/***********************************************************************/
-/*  Included C-definition files required by the interface.             */
-/***********************************************************************/
-#include "block.h"
-
-/***********************************************************************/
-/*  JDBC interface.                                                    */
-/***********************************************************************/
-#include <jni.h>
-
-/***********************************************************************/
-/*  Constants and defines.                                             */
-/***********************************************************************/
-//  Miscellaneous sizing info
-#define MAX_NUM_OF_MSG   10     // Max number of error messages
-//efine MAX_CURRENCY     30     // Max size of Currency($) string
-#define MAX_TNAME_LEN    32     // Max size of table names
-//efine MAX_FNAME_LEN    256    // Max size of field names
-//efine MAX_STRING_INFO  256    // Max size of string from SQLGetInfo
-//efine MAX_DNAME_LEN    256    // Max size of Recordset names
-//efine MAX_CONNECT_LEN  512    // Max size of Connect string
-//efine MAX_CURSOR_NAME  18     // Max size of a cursor name
-#define DEFAULT_FIELD_TYPE 0    // TYPE_NULL
-
-#if !defined(__WIN__)
-typedef unsigned char *PUCHAR;
-#endif   // !__WIN__
-
-enum JCATINFO {
-	CAT_TAB   =     1,      // JDBC Tables
-	CAT_COL   =     2,      // JDBC Columns
-	CAT_KEY   =     3,      // JDBC PrimaryKeys
-//CAT_STAT  =     4,      // SQLStatistics
-//CAT_SPC   =     5       // SQLSpecialColumns
-};
-
-/***********************************************************************/
-/*  This structure is used to control the catalog functions.           */
-/***********************************************************************/
-typedef struct tagJCATPARM {
-	JCATINFO Id;                 // Id to indicate function 
-	PQRYRES  Qrp;                // Result set pointer
-	PCSZ     DB;                 // Database (Schema)
-	PCSZ     Tab;                // Table name or pattern
-	PCSZ     Pat;                // Table type or column pattern
-} JCATPARM;
-
-typedef jint(JNICALL *CRTJVM) (JavaVM **, void **, void *);
-typedef jint(JNICALL *GETJVM) (JavaVM **, jsize, jsize *);
-#if defined(_DEBUG)
-typedef jint(JNICALL *GETDEF) (void *);
-#endif   // _DEBUG
+#include "javaconn.h"
 
 // JDBC connection to a data source
 class TDBJDBC;
@@ -66,7 +12,7 @@ class TDBXJDC;
 /***********************************************************************/
 /*  JDBConn class.                                                     */
 /***********************************************************************/
-class JDBConn : public BLOCK {
+class JDBConn : public JAVAConn {
 	friend class TDBJDBC;
 	friend class TDBXJDC;
 //friend PQRYRES GetColumnInfo(PGLOBAL, char*&, char *, int, PVBLK&);
@@ -74,118 +20,80 @@ class JDBConn : public BLOCK {
 	JDBConn();                      // Standard (unused) constructor
 
 public:
-	JDBConn(PGLOBAL g, TDBJDBC *tdbp);
+	// Constructor
+	JDBConn(PGLOBAL g, PCSZ wrapper);
 
-	int  Open(PJPARM sop);
-	int  Rewind(PCSZ sql);
-	void Close(void);
-	PQRYRES AllocateResult(PGLOBAL g);
+	virtual void AddJars(PSTRG jpop, char sep);
+	PQRYRES AllocateResult(PGLOBAL g, PTDB tdbp);
 
 	// Attributes
 public:
-	char *GetQuoteChar(void) { return m_IDQuoteChar; }
-	// Database successfully opened?
-	bool  IsOpen(void) { return m_Opened; }
-//PSZ   GetStringInfo(ushort infotype);
-	int   GetMaxValue(int infotype);
-//PSZ   GetConnect(void) { return m_Connect; }
+	char   *GetQuoteChar(void) { return m_IDQuoteChar; }
+	virtual int  GetMaxValue(int infotype);
 
 public:
 	// Operations
-	//void SetLoginTimeout(DWORD sec) {m_LoginTimeout = sec;}
-	//void SetQueryTimeout(DWORD sec) {m_QueryTimeout = sec;}
-	//void SetUserName(PSZ user) {m_User = user;}
-	//void SetUserPwd(PSZ pwd) {m_Pwd = pwd;}
-	int     GetResultSize(PCSZ sql, JDBCCOL *colp);
-	int     ExecuteQuery(PCSZ sql);
-	int     ExecuteUpdate(PCSZ sql);
-	int     Fetch(int pos = 0);
+	virtual bool Connect(PJPARM sop);
+	virtual bool MakeCursor(PGLOBAL g, PTDB tdbp, PCSZ options,
+		PCSZ filter, bool pipe) {return true;}
+	virtual int  GetResultSize(PCSZ sql, PCOL colp);
+	virtual int  ExecuteCommand(PCSZ sql);
+	virtual int  ExecuteQuery(PCSZ sql);
+	virtual int  ExecuteUpdate(PCSZ sql);
+	virtual int  Fetch(int pos = 0);
+	virtual void SetColumnValue(int rank, PSZ name, PVAL val);
+
+	// Jdbc operations
 	bool    PrepareSQL(PCSZ sql);
-	int     ExecuteSQL(void);
+	int     ExecuteSQL(void);					 // Prepared statement
 	bool    SetParam(JDBCCOL *colp);
-	int     ExecSQLcommand(PCSZ sql);
-	void    SetColumnValue(int rank, PSZ name, PVAL val);
 	int     GetCatInfo(JCATPARM *cap);
-	//bool  GetDataSources(PQRYRES qrp);
 	bool    GetDrivers(PQRYRES qrp);
 	PQRYRES GetMetaData(PGLOBAL g, PCSZ src);
-
-public:
-	// Set static variables
-	static void SetJVM(void) {
-		LibJvm = NULL; 
-	  CreateJavaVM = NULL; 
-	  GetCreatedJavaVMs = NULL;
-#if defined(_DEBUG)
-		GetDefaultJavaVMInitArgs = NULL;
-#endif   // _DEBUG
-	}	// end of SetJVM
-
-	static void ResetJVM(void);
-	static bool GetJVM(PGLOBAL g);
+	int     Rewind(PCSZ sql);
 
 	// Implementation
 public:
 	//virtual ~JDBConn();
 
-	// JDBC operations
-protected:
-	bool gmID(PGLOBAL g, jmethodID& mid, const char *name, const char *sig);
-	bool Check(jint rc = 0);
-//void ThrowDJX(int rc, PSZ msg/*, HSTMT hstmt = SQL_NULL_HSTMT*/);
-//void ThrowDJX(PSZ msg);
-//void Free(void);
-
 protected:
 	// Members
-#if defined(__WIN__)
-	static HANDLE LibJvm;              // Handle to the jvm DLL
-#else   // !__WIN__
-	static void  *LibJvm;              // Handle for the jvm shared library
-#endif  // !__WIN__
-	static CRTJVM CreateJavaVM;
-	static GETJVM GetCreatedJavaVMs;
-#if defined(_DEBUG)
-	static GETDEF GetDefaultJavaVMInitArgs;
-#endif   // _DEBUG
-	PGLOBAL   m_G;
-	TDBJDBC  *m_Tdb;
-	JavaVM   *jvm;                      // Pointer to the JVM (Java Virtual Machine)
-	JNIEnv   *env;                      // Pointer to native interface
-	jclass    jdi;											// Pointer to the java wrapper class
-	jobject   job;											// The java wrapper class object
-	jmethodID xqid;											// The ExecuteQuery method ID
-	jmethodID xuid;											// The ExecuteUpdate method ID
-	jmethodID xid;											// The Execute method ID
-	jmethodID grs;											// The GetResult method ID
-	jmethodID readid;										// The ReadNext method ID
-	jmethodID fetchid;									// The Fetch method ID
-	jmethodID typid;										// The ColumnType method ID
-	jmethodID prepid;										// The CreatePrepStmt method ID
-	jmethodID xpid;										  // The ExecutePrep method ID
-	jmethodID pcid;										  // The ClosePrepStmt method ID
-	jmethodID errid;										// The GetErrmsg method ID
-	jmethodID objfldid;									// The ObjectField method ID
-	jmethodID chrfldid;									// The StringField method ID
-	jmethodID intfldid;									// The IntField method ID
-	jmethodID dblfldid;									// The DoubleField method ID
-	jmethodID fltfldid;									// The FloatField method ID
-	jmethodID datfldid;									// The DateField method ID
-	jmethodID timfldid;									// The TimeField method ID
-	jmethodID tspfldid;									// The TimestampField method ID
-	jmethodID bigfldid;									// The BigintField method ID
-	PCSZ      Msg;
-	char     *m_Wrap;
+#if 0
+	JavaVM   *jvm;              // Pointer to the JVM (Java Virtual Machine)
+	JNIEnv   *env;              // Pointer to native interface
+	jclass    jdi;							// Pointer to the java wrapper class
+	jobject   job;							// The java wrapper class object
+	jmethodID errid;						// The GetErrmsg method ID
+#endif // 0
+	jmethodID xqid;							// The ExecuteQuery method ID
+	jmethodID xuid;							// The ExecuteUpdate method ID
+	jmethodID xid;							// The Execute method ID
+	jmethodID grs;							// The GetResult method ID
+	jmethodID readid;						// The ReadNext method ID
+	jmethodID fetchid;					// The Fetch method ID
+	jmethodID typid;						// The ColumnType method ID
+	jmethodID prepid;						// The CreatePrepStmt method ID
+	jmethodID xpid;							// The ExecutePrep method ID
+	jmethodID pcid;							// The ClosePrepStmt method ID
+	jmethodID objfldid;					// The ObjectField method ID
+	jmethodID chrfldid;					// The StringField method ID
+	jmethodID intfldid;					// The IntField method ID
+	jmethodID dblfldid;					// The DoubleField method ID
+	jmethodID fltfldid;					// The FloatField method ID
+	jmethodID datfldid;					// The DateField method ID
+	jmethodID timfldid;					// The TimeField method ID
+	jmethodID tspfldid;					// The TimestampField method ID
+	jmethodID bigfldid;					// The BigintField method ID
+//	PCSZ      Msg;
+//	PCSZ      m_Wrap;
 	char      m_IDQuoteChar[2];
 	PCSZ      m_Pwd;
   int       m_Ncol;
 	int       m_Aff;
-	int       m_Rows;
 	int       m_Fetch;
 	int       m_RowsetSize;
 	jboolean  m_Updatable;
 	jboolean  m_Transact;
 	jboolean  m_Scrollable;
-	bool      m_Opened;
 	bool      m_Full;
 }; // end of JDBConn class definition

storage/connect/jmgfam.h

+/************** MongoFam H Declares Source Code File (.H) **************/
+/*  Name: jmgfam.h    Version 1.0                                      */
+/*                                                                     */
+/*  (C) Copyright to the author Olivier BERTRAND          2017         */
+/*                                                                     */
+/*  This file contains the JAVA MongoDB access method classes declares */
+/***********************************************************************/
+#pragma once
+
+/***********************************************************************/
+/*  Include MongoDB library header files.                       	  	 */
+/***********************************************************************/
+#include "block.h"
+//#include "mongo.h"
+#include "jmgoconn.h"
+
+typedef class JMGFAM *PJMGFAM;
+typedef class MGODEF *PMGODEF;
+
+/***********************************************************************/
+/*  This is the Java MongoDB Access Method class declaration.          */
+/***********************************************************************/
+class DllExport JMGFAM : public DOSFAM {
+	friend void mongo_init(bool);
+public:
+	// Constructor
+	JMGFAM(PJDEF tdp);
+	JMGFAM(PJMGFAM txfp);
+
+	// Implementation
+	virtual AMT   GetAmType(void) { return TYPE_AM_MGO; }
+	virtual bool  GetUseTemp(void) { return false; }
+	virtual int   GetPos(void);
+	virtual int   GetNextPos(void);
+	virtual PTXF  Duplicate(PGLOBAL g) { return (PTXF)new(g) JMGFAM(this); }
+	void  SetLrecl(int lrecl) { Lrecl = lrecl; }
+
+	// Methods
+	virtual void  Reset(void);
+	virtual int   GetFileLength(PGLOBAL g);
+	virtual int   Cardinality(PGLOBAL g);
+	virtual int   MaxBlkSize(PGLOBAL g, int s);
+	virtual bool  AllocateBuffer(PGLOBAL g) { return false; }
+	virtual int   GetRowID(void);
+	virtual bool  RecordPos(PGLOBAL g);
+	virtual bool  SetPos(PGLOBAL g, int recpos);
+	virtual int   SkipRecord(PGLOBAL g, bool header);
+	virtual bool  OpenTableFile(PGLOBAL g);
+	virtual int   ReadBuffer(PGLOBAL g);
+	virtual int   WriteBuffer(PGLOBAL g);
+	virtual int   DeleteRecords(PGLOBAL g, int irc);
+	virtual void  CloseTableFile(PGLOBAL g, bool abort);
+	virtual void  Rewind(void);
+
+protected:
+	virtual bool  OpenTempFile(PGLOBAL g) { return false; }
+	virtual bool  MoveIntermediateLines(PGLOBAL g, bool *b) { return false; }
+	virtual int   RenameTempFile(PGLOBAL g) { return RC_OK; }
+	virtual int   InitDelete(PGLOBAL g, int fpos, int spos);
+	bool  Init(PGLOBAL g);
+//bool  MakeCursor(PGLOBAL g);
+
+	// Members
+	JMgoConn  *Jcp;              // Points to a Mongo connection class
+	JDBCPARM   Ops;              // Additional parameters
+	PFBLOCK    To_Fbt;           // Pointer to temp file block
+	MODE       Mode;
+	PCSZ       Uristr;
+	PCSZ       Db_name;
+	PCSZ       Coll_name;
+	PCSZ       Options;
+	PCSZ       Filter;
+	PSZ        Wrapname;
+	bool       Done;			       // Init done
+	bool       Pipe;
+	int        Version;
+	int        Curpos;           // Cursor position of last fetch
+}; // end of class JMGFAM
+

storage/connect/jmgoconn.h

+/***********************************************************************/
+/*  JMgoConn.h : header file for the MongoDB connection classes.       */
+/***********************************************************************/
+
+/***********************************************************************/
+/*  Java interface.                                                    */
+/***********************************************************************/
+#include "javaconn.h"
+
+// Java connection to a MongoDB data source
+class TDBJMG;
+class JMGCOL;
+
+/***********************************************************************/
+/*  Include MongoDB library header files.                       	  	 */
+/***********************************************************************/
+typedef class JNCOL  *PJNCOL;
+typedef class MGODEF *PMGODEF;
+typedef class TDBJMG *PTDBJMG;
+typedef class JMGCOL *PJMGCOL;
+
+#if 0
+/***********************************************************************/
+/*  Class used to get the columns of a mongo collection.               */
+/***********************************************************************/
+class MGODISC : public BLOCK {
+public:
+	// Constructor
+	MGODISC(PGLOBAL g, int *lg);
+
+	// Functions
+	int  GetColumns(PGLOBAL g, char *db, PTOS topt);
+	bool FindInDoc(PGLOBAL g, bson_iter_t *iter, const bson_t *doc,
+		char *pcn, char *pfmt, int i, int k, bool b);
+
+	// Members
+	BCOL    bcol;
+	PBCOL   bcp, fbcp, pbcp;
+	PMGODEF tdp;
+	TDBJMG *tmgp;
+	int    *length;
+	int     n, k, lvl;
+	bool    all;
+}; // end of MGODISC
+#endif // 0
+
+typedef struct JKCOL {
+	JKCOL *Next;
+	PJNCOL Jncolp;
+	PCOL   Colp;
+	char  *Key;
+	int    N;
+} *PJKC;
+
+/***********************************************************************/
+/*  Used when inserting values in a MongoDB collection.                */
+/***********************************************************************/
+class JNCOL : public BLOCK {
+public:
+	// Constructor
+	JNCOL(bool ar) { Klist = NULL; Array = ar; }
+
+	// Methods
+	void AddCol(PGLOBAL g, PCOL colp, PSZ jp);
+
+	//Members
+	PJKC   Klist;
+	bool   Array;
+}; // end of JNCOL;
+
+/***********************************************************************/
+/*  JMgoConn class.                                                   */
+/***********************************************************************/
+class JMgoConn : public JAVAConn {
+	friend class TDBJMG;
+	//friend class TDBXJDC;
+	//friend PQRYRES GetColumnInfo(PGLOBAL, char*&, char *, int, PVBLK&);
+private:
+	JMgoConn();                      // Standard (unused) constructor
+
+public:
+	// Constructor
+	JMgoConn(PGLOBAL g, PCSZ collname, PCSZ wrapper);
+
+	// Implementation
+public:
+	virtual void AddJars(PSTRG jpop, char sep);
+	virtual bool Connect(PJPARM sop);
+	virtual bool MakeCursor(PGLOBAL g, PTDB tdbp, PCSZ options, PCSZ filter, bool pipe);
+//	PQRYRES AllocateResult(PGLOBAL g, TDBEXT *tdbp, int n);
+
+	// Attributes
+public:
+//	virtual int   GetMaxValue(int infotype);
+
+public:
+	// Operations
+	virtual int  Fetch(int pos = 0);
+	virtual PSZ  GetColumnValue(PSZ name);
+
+	int     CollSize(PGLOBAL g);
+	bool    FindCollection(PCSZ query, PCSZ proj);
+	bool    AggregateCollection(PCSZ pipeline);
+	void    MakeColumnGroups(PGLOBAL g, PTDB tdbp);
+	bool    GetMethodId(PGLOBAL g, MODE mode);
+	jobject MakeObject(PGLOBAL g, PCOL colp, bool& error);
+	jobject MakeDoc(PGLOBAL g, PJNCOL jcp);
+	int     DocWrite(PGLOBAL g);
+	int     DocUpdate(PGLOBAL g, PTDB tdbp);
+	int     DocDelete(PGLOBAL g, bool all);
+	bool    Rewind(void);
+	PSZ     GetDocument(void);
+
+protected:
+	// Members
+	PCSZ      CollName;									// The collation name
+	jmethodID gcollid;								// The GetCollection method ID
+	jmethodID countid;								  // The GetCollSize method ID
+	jmethodID fcollid;									// The FindColl method ID
+	jmethodID acollid;									// The AggregateColl method ID
+	jmethodID readid;										// The ReadNext method ID
+	jmethodID fetchid;									// The Fetch method ID
+	jmethodID rewindid;									// The Rewind method ID
+	jmethodID getdocid;									// The GetDoc method ID
+	jmethodID objfldid;									// The ObjectField method ID
+	jmethodID mkdocid;									// The MakeDocument method ID
+	jmethodID docaddid;									// The DocAdd method ID
+	jmethodID mkarid;										// The MakeArray method ID
+	jmethodID araddid;									// The ArrayAdd method ID
+	jmethodID insertid;									// The CollInsert method ID
+	jmethodID updateid;									// The CollUpdate method ID
+	jmethodID deleteid;									// The CollDelete method ID
+	PJNCOL    Fpc;				              // To JNCOL classes
+	int       m_Fetch;
+	int       m_Version;								// Java driver version (2 or 3)
+}; // end of JMgoConn class definition

storage/connect/msgid.h

+/* Copyright (C) MariaDB Corporation Ab */
 #define MSG_ACCESS_VIOLATN     200
 #define MSG_ADD_BAD_TYPE       201
 #define MSG_ALLOC_ERROR        202

storage/connect/os.h

+/* Copyright (C) MariaDB Corporation Ab */
 #ifndef _OS_H_INCLUDED
 #define _OS_H_INCLUDED