- Add column pattern and table type argument to catalog tables

  modified:   storage/connect/ha_connect.cc
  modified:   storage/connect/jdbconn.cpp
  modified:   storage/connect/jdbconn.h
  modified:   storage/connect/odbccat.h
  modified:   storage/connect/odbconn.cpp
  modified:   storage/connect/tabjdbc.cpp
  modified:   storage/connect/tabjdbc.h
  modified:   storage/connect/tabodbc.cpp
  modified:   storage/connect/tabodbc.h

- Avoid longjump in AllocCatInfo functions
  modified:   storage/connect/jdbconn.cpp
  modified:   storage/connect/jdbconn.h
  modified:   storage/connect/odbconn.cpp

- Change GetColumns error return value from 0 to -1
  modified:   storage/connect/JdbcInterface.class
  modified:   storage/connect/JdbcInterface.java

storage/connect/JdbcInterface.java

@@ -307,7 +307,7 @@ public class JdbcInterface {
     } // end of GetMaxValue
     
     public int GetColumns(String[] parms) {
-      int ncol = 0;
+      int ncol = -1;
       
       try {
   		if (rs != null) rs.close();

storage/connect/ha_connect.cc

@@ -5508,7 +5508,7 @@ static int connect_assisted_discovery(handlerton *, THD* thd,
 
             break;
           case FNC_TABLE:
-            qrp= ODBCTables(g, dsn, shm, tab, mxr, true, sop);
+            qrp= ODBCTables(g, dsn, shm, tab, NULL, mxr, true, sop);
             break;
           case FNC_DSN:
             qrp= ODBCDataSources(g, mxr, true);

storage/connect/jdbconn.cpp

@@ -174,42 +174,20 @@ int TranslateJDBCType(int stp, int prec, int& len, char& v)
 static JCATPARM *AllocCatInfo(PGLOBAL g, JCATINFO fid, char *db,
 	char *tab, PQRYRES qrp)
 {
-//size_t    m, n;
 	JCATPARM *cap;
 
 #if defined(_DEBUG)
 	assert(qrp);
 #endif
 
-	// Save stack and allocation environment and prepare error return
-	if (g->jump_level == MAX_JUMP) {
-		strcpy(g->Message, MSG(TOO_MANY_JUMPS));
-		return NULL;
-	} // endif jump_level
-
-	if (setjmp(g->jumper[++g->jump_level]) != 0) {
-		printf("%s\n", g->Message);
-		cap = NULL;
-		goto fin;
-	} // endif rc
-
-//m = (size_t)qrp->Maxres;
-//n = (size_t)qrp->Nbcol;
-	cap = (JCATPARM *)PlugSubAlloc(g, NULL, sizeof(JCATPARM));
+	if ((cap = (JCATPARM *)PlgDBSubAlloc(g, NULL, sizeof(JCATPARM)))) {
 		memset(cap, 0, sizeof(JCATPARM));
 		cap->Id = fid;
 		cap->Qrp = qrp;
-	cap->DB = (PUCHAR)db;
-	cap->Tab = (PUCHAR)tab;
-//cap->Vlen = (SQLLEN* *)PlugSubAlloc(g, NULL, n * sizeof(SQLLEN *));
+		cap->DB = db;
+		cap->Tab = tab;
+	} // endif cap
 
-//for (i = 0; i < n; i++)
-//	cap->Vlen[i] = (SQLLEN *)PlugSubAlloc(g, NULL, m * sizeof(SQLLEN));
-
-//cap->Status = (UWORD *)PlugSubAlloc(g, NULL, m * sizeof(UWORD));
-
-fin:
-	g->jump_level--;
 	return cap;
 } // end of AllocCatInfo
 
@@ -291,7 +269,8 @@ PQRYRES JDBCColumns(PGLOBAL g, char *db, char *table, char *colpat,
 	if (!(cap = AllocCatInfo(g, CAT_COL, db, table, qrp)))
 		return NULL;
 
-	cap->Pat = (PUCHAR)colpat;
+	// Colpat cannot be null or empty for some drivers
+	cap->Pat = (colpat && *colpat) ? colpat : "%";
 
 	/************************************************************************/
 	/*  Now get the results into blocks.                                    */
@@ -402,7 +381,7 @@ PQRYRES JDBCTables(PGLOBAL g, char *db, char *tabpat, char *tabtyp,
 	if (!(cap = AllocCatInfo(g, CAT_TAB, db, tabpat, qrp)))
 		return NULL;
 
-	cap->Pat = (PUCHAR)tabtyp;
+	cap->Pat = tabtyp;
 
 	if (trace)
 		htrc("Getting table results ncol=%d\n", cap->Qrp->Nbcol);
@@ -1931,9 +1910,9 @@ bool JDBConn::SetParam(JDBCCOL *colp)
 	{
 		PGLOBAL& g = m_G;
 //	void    *buffer;
-		int      i;
+		int      i, ncol;
 		PSZ      fnc = "Unknown";
-		uint     n, ncol;
+		uint     n;
 		short    len, tp;
 		int      crow = 0;
 		PQRYRES  qrp = cap->Qrp;
@@ -1956,8 +1935,6 @@ bool JDBConn::SetParam(JDBCCOL *colp)
 		env->SetObjectArrayElement(parms, 0, env->NewStringUTF(name.ptr(2)));
 		env->SetObjectArrayElement(parms, 1, env->NewStringUTF(name.ptr(1)));
 		env->SetObjectArrayElement(parms, 2, env->NewStringUTF(name.ptr(0)));
-
-		if (cap->Pat)
 		env->SetObjectArrayElement(parms, 3, env->NewStringUTF((const char*)cap->Pat));
 
 		// Now do call the proper JDBC API

storage/connect/jdbconn.h

@@ -46,9 +46,9 @@ enum JCATINFO {
 typedef struct tagJCATPARM {
 	JCATINFO Id;                 // Id to indicate function 
 	PQRYRES  Qrp;                // Result set pointer
-	PUCHAR   DB;                 // Database (Schema)
-	PUCHAR   Tab;                // Table name or pattern
-	PUCHAR   Pat;                // Table type or column pattern
+	char    *DB;                 // Database (Schema)
+	char    *Tab;                // Table name or pattern
+	char    *Pat;                // Table type or column pattern
 } JCATPARM;
 
 typedef jint(JNICALL *CRTJVM) (JavaVM **, void **, void *);

storage/connect/odbccat.h

@@ -21,5 +21,5 @@ PQRYRES ODBCColumns(PGLOBAL g, char *dsn, char *db, char *table,
                     char *colpat, int maxres, bool info, POPARM sop);
 PQRYRES ODBCSrcCols(PGLOBAL g, char *dsn, char *src, POPARM sop); 
 PQRYRES ODBCTables(PGLOBAL g, char *dsn, char *db, char *tabpat,
-                   int maxres, bool info, POPARM sop);
+                   char *tabtyp, int maxres, bool info, POPARM sop);
 PQRYRES ODBCDrivers(PGLOBAL g, int maxres, bool info);

storage/connect/odbconn.cpp

@@ -606,7 +606,7 @@ PQRYRES ODBCDataSources(PGLOBAL g, int maxres, bool info)
 /*  an ODBC database that will be retrieved by GetData commands.          */
 /**************************************************************************/
 PQRYRES ODBCTables(PGLOBAL g, char *dsn, char *db, char *tabpat,
-                   int maxres, bool info, POPARM sop)
+                   char *tabtyp, int maxres, bool info, POPARM sop)
   {
   int      buftyp[] = {TYPE_STRING, TYPE_STRING, TYPE_STRING,
                        TYPE_STRING, TYPE_STRING};
@@ -668,7 +668,7 @@ PQRYRES ODBCTables(PGLOBAL g, char *dsn, char *db, char *tabpat,
   if (!(cap = AllocCatInfo(g, CAT_TAB, db, tabpat, qrp)))
     return NULL;
 
-//cap->Pat = (PUCHAR)tabtyp;
+	cap->Pat = (PUCHAR)tabtyp;
 
   if (trace)
     htrc("Getting table results ncol=%d\n", cap->Qrp->Nbcol);

storage/connect/tabjdbc.cpp

@@ -96,7 +96,7 @@ bool ExactInfo(void);
 /***********************************************************************/
 JDBCDEF::JDBCDEF(void)
 {
-	Driver = Url = Tabname = Tabschema = Username = NULL;
+	Driver = Url = Tabname = Tabschema = Username = Colpat = NULL;
 	Password = Tabcat = Tabtype = Srcdef = Qchar = Qrystr = Sep = NULL;
 	Options = Quoted = Maxerr = Maxres = Memory = 0;
 	Scrollable = Xsrc = false;
@@ -237,7 +237,13 @@ bool JDBCDEF::DefineAM(PGLOBAL g, LPCSTR am, int poff)
 	Tabcat = GetStringCatInfo(g, "Catalog", Tabcat);
 	Tabschema = GetStringCatInfo(g, "Dbname", NULL);
 	Tabschema = GetStringCatInfo(g, "Schema", Tabschema);
+
+	if (Catfunc == FNC_COL)
+		Colpat = GetStringCatInfo(g, "Colpat", NULL);
+
+	if (Catfunc == FNC_TABLE)
 		Tabtype = GetStringCatInfo(g, "Tabtype", NULL);
+
 	Qrystr = GetStringCatInfo(g, "Query_String", "?");
 	Sep = GetStringCatInfo(g, "Separator", NULL);
 	Xsrc = GetBoolCatInfo("Execsrc", FALSE);
@@ -1787,12 +1793,20 @@ PQRYRES TDBJTB::GetResult(PGLOBAL g)
 
 /* --------------------------TDBJDBCL class -------------------------- */
 
+/***********************************************************************/
+/*  TDBJDBCL class constructor.                                        */
+/***********************************************************************/
+TDBJDBCL::TDBJDBCL(PJDBCDEF tdp) : TDBJTB(tdp)
+{
+	Colpat = tdp->Colpat;
+} // end of TDBJDBCL constructor
+
 /***********************************************************************/
 /*  GetResult: Get the list of JDBC table columns.                     */
 /***********************************************************************/
 PQRYRES TDBJDBCL::GetResult(PGLOBAL g)
 {
-	return JDBCColumns(g, Schema, Tab, NULL, Maxres, false, &Ops);
+	return JDBCColumns(g, Schema, Tab, Colpat, Maxres, false, &Ops);
 } // end of GetResult
 
 #if 0

storage/connect/tabjdbc.h

@@ -26,6 +26,7 @@ class DllExport JDBCDEF : public TABDEF { /* Logical table description */
 	friend class TDBXJDC;
 	friend class TDBJDRV;
 	friend class TDBJTB;
+	friend class TDBJDBCL;
 public:
 	// Constructor
 	JDBCDEF(void);
@@ -58,6 +59,7 @@ class DllExport JDBCDEF : public TABDEF { /* Logical table description */
 	PSZ     Password;           /* Password connect info                 */
 	PSZ     Tabcat;             /* External table catalog                */
 	PSZ     Tabtype;            /* External table type                   */
+	PSZ     Colpat;             /* Catalog column pattern                */
 	PSZ     Srcdef;             /* The source table SQL definition       */
 	PSZ     Qchar;              /* Identifier quoting character          */
 	PSZ     Qrystr;             /* The original query                    */
@@ -317,14 +319,15 @@ class TDBJTB : public TDBJDRV {
 class TDBJDBCL : public TDBJTB {
 public:
 	// Constructor
-	TDBJDBCL(PJDBCDEF tdp) : TDBJTB(tdp) {}
+	TDBJDBCL(PJDBCDEF tdp);
 
 protected:
 	// Specific routines
 	virtual PQRYRES GetResult(PGLOBAL g);
 
-	// No additional Members
-}; // end of class TDBJCL
+	// Members
+	char    *Colpat;            // Points to catalog column pattern
+}; // end of class TDBJDBCL
 
 #if 0
 /***********************************************************************/

storage/connect/tabodbc.cpp

 /************* Tabodbc C++ Program Source Code File (.CPP) *************/
 /* PROGRAM NAME: TABODBC                                               */
 /* -------------                                                       */
-/*  Version 3.0                                                        */
+/*  Version 3.1                                                        */
 /*                                                                     */
 /* COPYRIGHT:                                                          */
 /* ----------                                                          */
@@ -96,7 +96,7 @@ bool ExactInfo(void);
 ODBCDEF::ODBCDEF(void)
   {
   Connect = Tabname = Tabschema = Username = Password = NULL;
-  Tabcat = Srcdef = Qchar = Qrystr = Sep = NULL;
+  Tabcat = Colpat = Srcdef = Qchar = Qrystr = Sep = NULL;
   Catver = Options = Cto = Qto = Quoted = Maxerr = Maxres = Memory = 0;
   Scrollable = Xsrc = UseCnc = false;
   }  // end of ODBCDEF constructor
@@ -141,6 +141,12 @@ bool ODBCDEF::DefineAM(PGLOBAL g, LPCSTR am, int poff)
   if ((Scrollable = GetBoolCatInfo("Scrollable", false)) && !Elemt)
     Elemt = 1;     // Cannot merge SQLFetch and SQLExtendedFetch
 
+	if (Catfunc == FNC_COL)
+		Colpat = GetStringCatInfo(g, "Colpat", NULL);
+
+	if (Catfunc == FNC_TABLE)
+		Tabtyp = GetStringCatInfo(g, "Tabtype", NULL);
+
 	UseCnc = GetBoolCatInfo("UseDSN", false);
 
   // Memory was Boolean, it is now integer
@@ -1768,6 +1774,7 @@ TDBOTB::TDBOTB(PODEF tdp) : TDBDRV(tdp)
   Dsn = tdp->GetConnect();
   Schema = tdp->GetTabschema();
   Tab = tdp->GetTabname();
+	Tabtyp = tdp->Tabtyp;
   Ops.User = tdp->Username;
   Ops.Pwd = tdp->Password;
   Ops.Cto = tdp->Cto;
@@ -1780,17 +1787,25 @@ TDBOTB::TDBOTB(PODEF tdp) : TDBDRV(tdp)
 /***********************************************************************/
 PQRYRES TDBOTB::GetResult(PGLOBAL g)
   {
-  return ODBCTables(g, Dsn, Schema, Tab, Maxres, false, &Ops);
+  return ODBCTables(g, Dsn, Schema, Tab, Tabtyp, Maxres, false, &Ops);
 	} // end of GetResult
 
 /* ---------------------------TDBOCL class --------------------------- */
 
+/***********************************************************************/
+/*  TDBOCL class constructor.                                          */
+/***********************************************************************/
+TDBOCL::TDBOCL(PODEF tdp) : TDBOTB(tdp)
+{
+	Colpat = tdp->Colpat;
+} // end of TDBOTB constructor
+
 /***********************************************************************/
 /*  GetResult: Get the list of ODBC table columns.                     */
 /***********************************************************************/
 PQRYRES TDBOCL::GetResult(PGLOBAL g)
   {
-  return ODBCColumns(g, Dsn, Schema, Tab, NULL, Maxres, false, &Ops);
+  return ODBCColumns(g, Dsn, Schema, Tab, Colpat, Maxres, false, &Ops);
 	} // end of GetResult
 
 /* ------------------------ End of Tabodbc --------------------------- */

storage/connect/tabodbc.h

@@ -25,7 +25,8 @@ class DllExport ODBCDEF : public TABDEF { /* Logical table description */
   friend class TDBXDBC;
   friend class TDBDRV;
   friend class TDBOTB;
- public:
+	friend class TDBOCL;
+public:
   // Constructor
   ODBCDEF(void);
 
@@ -54,6 +55,8 @@ class DllExport ODBCDEF : public TABDEF { /* Logical table description */
   PSZ     Username;           /* User connect name                     */
   PSZ     Password;           /* Password connect info                 */
   PSZ     Tabcat;             /* External table catalog                */
+	PSZ     Tabtyp;             /* Catalog table type                    */
+	PSZ     Colpat;             /* Catalog column pattern                */
 	PSZ     Srcdef;             /* The source table SQL definition       */
   PSZ     Qchar;              /* Identifier quoting character          */
   PSZ     Qrystr;             /* The original query                    */
@@ -326,6 +329,7 @@ class TDBOTB : public TDBDRV {
   char    *Dsn;               // Points to connection string
   char    *Schema;            // Points to schema name or NULL
   char    *Tab;               // Points to ODBC table name or pattern
+	char    *Tabtyp;            // Points to ODBC table type
 	ODBCPARM Ops;               // Additional parameters
   }; // end of class TDBOTB
 
@@ -335,13 +339,14 @@ class TDBOTB : public TDBDRV {
 class TDBOCL : public TDBOTB {
  public:
   // Constructor
-   TDBOCL(PODEF tdp) : TDBOTB(tdp) {}
+	 TDBOCL(PODEF tdp);
 
  protected:
 	// Specific routines
 	virtual PQRYRES GetResult(PGLOBAL g);
 
-  // No additional Members
+  // Members
+	char    *Colpat;						// Points to column pattern
   }; // end of class TDBOCL
 
 #endif  // !NODBC