Commit 2f2797e5 authored by Olivier Bertrand's avatar Olivier Bertrand

- JDBC tables can be connected via foreign server wrapper

  Redesign the handling of errors and exceptions
  modified:   storage/connect/ha_connect.cc
  modified:   storage/connect/jdbconn.cpp
  modified:   storage/connect/jdbconn.h
  modified:   storage/connect/tabjdbc.cpp
  modified:   storage/connect/tabjdbc.h
parent 7972a45b
......@@ -119,6 +119,7 @@
#undef OFFSET
#define NOPARSE
#define NJDBC
#if defined(UNIX)
#include "osutil.h"
#endif // UNIX
......@@ -128,7 +129,7 @@
#include "odbccat.h"
#endif // ODBC_SUPPORT
#if defined(JDBC_SUPPORT)
#include "jdbccat.h"
#include "tabjdbc.h"
#include "jdbconn.h"
#endif // JDBC_SUPPORT
#include "xtable.h"
......@@ -5224,7 +5225,7 @@ static int connect_assisted_discovery(handlerton *, THD* thd,
#endif
#if defined(JDBC_SUPPORT)
driver= GetListOption(g, "Driver", topt->oplist, NULL);
url= GetListOption(g, "URL", topt->oplist, NULL);
// url= GetListOption(g, "URL", topt->oplist, NULL);
tabtyp = GetListOption(g, "Tabtype", topt->oplist, NULL);
#endif // JDBC_SUPPORT
mxe= atoi(GetListOption(g,"maxerr", topt->oplist, "0"));
......@@ -5325,18 +5326,31 @@ static int connect_assisted_discovery(handlerton *, THD* thd,
case TAB_JDBC:
if (fnc & FNC_DRIVER) {
ok= true;
} else if (!url && !(url= strz(g, create_info->connect_string))) {
} else if (!(url= strz(g, create_info->connect_string))) {
strcpy(g->Message, "Missing URL");
} else {
// Store ODBC additional parameters
// Store JDBC additional parameters
int rc;
PJDBCDEF jdef= new(g) JDBCDEF();
jdef->SetName(create_info->alias);
sjp= (PJPARM)PlugSubAlloc(g, NULL, sizeof(JDBCPARM));
sjp->Driver= driver;
sjp->Url= url;
sjp->User= (char*)user;
sjp->Pwd= (char*)pwd;
sjp->Fsize= 0;
sjp->Scrollable= false;
ok= true;
if ((rc = jdef->ParseURL(g, url, false)) == RC_OK) {
sjp->Url= url;
sjp->User= (char*)user;
sjp->Pwd= (char*)pwd;
ok= true;
} else if (rc == RC_NF) {
if (jdef->GetTabname())
tab= jdef->GetTabname();
ok= jdef->SetParms(sjp);
} // endif rc
} // endif's
supfnc |= (FNC_DRIVER | FNC_TABLE);
......@@ -5775,12 +5789,10 @@ static int connect_assisted_discovery(handlerton *, THD* thd,
switch (typ) {
case TYPE_DOUBLE:
case TYPE_DECIM:
// Some data sources do not count dec in length (prec)
prec += (dec + 2); // To be safe
break;
case TYPE_DECIM:
prec= len;
break;
default:
dec= 0;
} // endswitch typ
......
This diff is collapsed.
......@@ -120,7 +120,8 @@ class JDBConn : public BLOCK {
// JDBC operations
protected:
char *Check(void);
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);
......@@ -150,9 +151,11 @@ class JDBConn : public BLOCK {
jmethodID prepid; // The CreatePrepStmt method ID
jmethodID xpid; // The ExecutePrep method ID
jmethodID pcid; // The ClosePrepStmt method ID
jmethodID errid; // The GetErrmsg method ID
//DWORD m_LoginTimeout;
//DWORD m_QueryTimeout;
//DWORD m_UpdateOptions;
char *Msg;
char m_IDQuoteChar[2];
PSZ m_Driver;
PSZ m_Url;
......
/************* TabJDBC C++ Program Source Code File (.CPP) *************/
/* PROGRAM NAME: TABJDBC */
/* ------------- */
/* Version 1.0 */
/* Version 1.1 */
/* */
/* COPYRIGHT: */
/* ---------- */
......@@ -34,8 +34,10 @@
/***********************************************************************/
/* Include relevant MariaDB header file. */
/***********************************************************************/
#define MYSQL_SERVER 1
#include "my_global.h"
#include "sql_class.h"
#include "sql_servers.h"
#if defined(__WIN__)
#include <io.h>
#include <fcntl.h>
......@@ -67,7 +69,6 @@
#include "plgdbsem.h"
#include "mycat.h"
#include "xtable.h"
#include "jdbccat.h"
#include "tabjdbc.h"
#include "tabmul.h"
#include "reldef.h"
......@@ -101,11 +102,107 @@ JDBCDEF::JDBCDEF(void)
Scrollable = Xsrc = false;
} // end of JDBCDEF constructor
/***********************************************************************/
/* Called on table construction. */
/***********************************************************************/
bool JDBCDEF::SetParms(PJPARM sjp)
{
sjp->Url= Url;
sjp->User= Username;
sjp->Pwd= Password;
return true;
} // end of SetParms
/***********************************************************************/
/* Parse connection string */
/* */
/* SYNOPSIS */
/* ParseURL() */
/* Url The connection string to parse */
/* */
/* DESCRIPTION */
/* This is used to set the Url in case a wrapper server as been */
/* specified. This is rather experimental yet. */
/* */
/* RETURN VALUE */
/* RC_OK Url was a true URL */
/* RC_NF Url was a server name/table */
/* RC_FX Error */
/* */
/***********************************************************************/
int JDBCDEF::ParseURL(PGLOBAL g, char *url, bool b)
{
if (strncmp(url, "jdbc:", 5)) {
// No "jdbc:" in connection string. Must be a straight
// "server" or "server/table"
// ok, so we do a little parsing, but not completely!
if ((Tabname= strchr(url, '/'))) {
// If there is a single '/' in the connection string,
// this means the user is specifying a table name
*Tabname++= '\0';
// there better not be any more '/'s !
if (strchr(Tabname, '/'))
return RC_FX;
} else if (b) {
// Otherwise, straight server name,
Tabname = GetStringCatInfo(g, "Name", NULL);
Tabname = GetStringCatInfo(g, "Tabname", Tabname);
} // endelse
if (trace)
htrc("server: %s Tabname: %s", url, Tabname);
// Now make the required URL
FOREIGN_SERVER *server, server_buffer;
// get_server_by_name() clones the server if exists
if (!(server= get_server_by_name(current_thd->mem_root, url, &server_buffer))) {
sprintf(g->Message, "Server %s does not exist!", url);
return RC_FX;
} // endif server
if (strncmp(server->host, "jdbc:", 5)) {
// Now make the required URL
Url = (PSZ)PlugSubAlloc(g, NULL, 0);
strcat(strcpy(Url, "jdbc:"), server->scheme);
strcat(strcat(Url, "://"), server->host);
if (server->port) {
char buf[16];
sprintf(buf, "%d", server->port);
strcat(strcat(Url, ":"), buf);
} // endif port
if (server->db)
strcat(strcat(Url, "/"), server->db);
PlugSubAlloc(g, NULL, strlen(Url) + 1);
} else // host is a URL
Url = PlugDup(g, server->host);
if (server->username)
Username = PlugDup(g, server->username);
if (server->password)
Password = PlugDup(g, server->password);
return RC_NF;
} // endif
// Url was a JDBC URL, nothing to do
return RC_OK;
} // end of ParseURL
/***********************************************************************/
/* DefineAM: define specific AM block values from JDBC file. */
/***********************************************************************/
bool JDBCDEF::DefineAM(PGLOBAL g, LPCSTR am, int poff)
{
int rc = RC_OK;
Driver = GetStringCatInfo(g, "Driver", NULL);
Desc = Url = GetStringCatInfo(g, "Connect", NULL);
......@@ -120,28 +217,33 @@ bool JDBCDEF::DefineAM(PGLOBAL g, LPCSTR am, int poff)
} // endif Connect
Tabname = GetStringCatInfo(g, "Name",
(Catfunc & (FNC_TABLE | FNC_COL)) ? NULL : Name);
Tabname = GetStringCatInfo(g, "Tabname", Tabname);
Tabschema = GetStringCatInfo(g, "Dbname", NULL);
Tabschema = GetStringCatInfo(g, "Schema", Tabschema);
Tabcat = GetStringCatInfo(g, "Qualifier", NULL);
Tabcat = GetStringCatInfo(g, "Catalog", Tabcat);
Tabtype = GetStringCatInfo(g, "Tabtype", NULL);
Username = GetStringCatInfo(g, "User", NULL);
Password = GetStringCatInfo(g, "Password", NULL);
if (Url)
rc = ParseURL(g, Url);
if (rc == RC_FX) // Error
return true;
else if (rc == RC_OK) { // Url was not a server name
Tabname = GetStringCatInfo(g, "Name",
(Catfunc & (FNC_TABLE | FNC_COL)) ? NULL : Name);
Tabname = GetStringCatInfo(g, "Tabname", Tabname);
Username = GetStringCatInfo(g, "User", NULL);
Password = GetStringCatInfo(g, "Password", NULL);
} // endif rc
if ((Srcdef = GetStringCatInfo(g, "Srcdef", NULL)))
Read_Only = true;
Tabcat = GetStringCatInfo(g, "Qualifier", NULL);
Tabcat = GetStringCatInfo(g, "Catalog", Tabcat);
Tabschema = GetStringCatInfo(g, "Dbname", NULL);
Tabschema = GetStringCatInfo(g, "Schema", Tabschema);
Tabtype = GetStringCatInfo(g, "Tabtype", NULL);
Qrystr = GetStringCatInfo(g, "Query_String", "?");
Sep = GetStringCatInfo(g, "Separator", NULL);
Xsrc = GetBoolCatInfo("Execsrc", FALSE);
Maxerr = GetIntCatInfo("Maxerr", 0);
Maxres = GetIntCatInfo("Maxres", 0);
Quoted = GetIntCatInfo("Quoted", 0);
//Options = JDBConn::noJDBCDialog;
//Options = JDBConn::noJDBCDialog | JDBConn::useCursorLib;
//Cto= GetIntCatInfo("ConnectTimeout", DEFAULT_LOGIN_TIMEOUT);
//Qto= GetIntCatInfo("QueryTimeout", DEFAULT_QUERY_TIMEOUT);
Scrollable = GetBoolCatInfo("Scrollable", false);
......@@ -274,6 +376,7 @@ TDBJDBC::TDBJDBC(PJDBCDEF tdp) : TDBASE(tdp)
Ncol = 0;
Nparm = 0;
Placed = false;
Prepared = false;
Werr = false;
Rerr = false;
Ops.Fsize = Ops.CheckSize(Rows);
......
......@@ -7,6 +7,7 @@
/***********************************************************************/
#include "colblk.h"
#include "resource.h"
#include "jdbccat.h"
typedef class JDBCDEF *PJDBCDEF;
typedef class TDBJDBC *PTDBJDBC;
......@@ -44,6 +45,8 @@ class DllExport JDBCDEF : public TABDEF { /* Logical table description */
virtual int Indexable(void) { return 2; }
virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff);
virtual PTDB GetTable(PGLOBAL g, MODE m);
int ParseURL(PGLOBAL g, char *url, bool b = true);
bool SetParms(PJPARM sjp);
protected:
// Members
......
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