1 //Use Connection String "DSN=mycsql;MODE=csql;SERVER=127.0.0.1;PORT=5678;" for Connect Data Source
2 //create table t1 with two fields.
3 // prepare with nonexisting field.
4 // SQLNumResultCols() should return zero.
6 // AUTHOR : Jitendra Lenka
14 //*************************************************************************
16 inline void checkrc(int rc
,int line
)
20 printf("ERROR %d at line %d\n",rc
,line
);
25 //*************************************************************************
26 int InsertTest(SQLHANDLE env
,SQLHANDLE dbc
,SQLHANDLE stmt
)
30 int f1
=90; // f1 field
34 ret
= SQLPrepare(stmt
,(unsigned char*)"INSERT INTO T1 VALUES(?,?)",SQL_NTS
);
35 checkrc(ret
,__LINE__
);
39 ret
= SQLBindParameter(stmt
,1,SQL_PARAM_INPUT
,SQL_C_SLONG
,SQL_INTEGER
,0,0,&f1
,0,NULL
);
40 checkrc(ret
,__LINE__
);
42 ret
= SQLBindParameter(stmt
,2,SQL_PARAM_INPUT
,SQL_C_SLONG
,SQL_INTEGER
,0,0,&f2
,0,NULL
);
43 checkrc(ret
,__LINE__
);
53 ret
= SQLExecute(stmt
);
54 checkrc(ret
,__LINE__
);
56 ret
= SQLTransact(env
,dbc
,SQL_COMMIT
);
57 checkrc(ret
,__LINE__
);
60 printf("Total row inserted=%d\n",count
);
63 //***********************************************************************
64 // FETCH ROWS FROM THE TABLE "T1"......select * from T1;
65 int FetchTest(SQLHANDLE env
, SQLHANDLE dbc
, SQLHANDLE stmt
)
69 int f1
=10; // f1 field
74 ret
= SQLPrepare(stmt
,(unsigned char*)"SELECT F3,F2 FROM T1 ",SQL_NTS
);
76 if(rettype
!=0)return 1;
78 //ret = SQLBindParameter(stmt,1,SQL_PARAM_INPUT,SQL_C_SMALL,SQL_SMALL,0,0,)
79 ret
= SQLBindCol(stmt
,1,SQL_C_SLONG
,&f1
,0,NULL
);
83 ret
= SQLBindCol(stmt
,2,SQL_C_SLONG
,&f2
,0,NULL
);
90 ret
= SQLExecute(stmt
);
93 ret
= SQLNumResultCols(stmt
,&noc
);
98 printf("SQLNumResultCol() returns = %d\n",noc
);
102 while(SQL_SUCCEEDED(ret
= SQLFetch(stmt
)))
109 ret =SQLNumResultCols(stmt,&noc);
111 printf("SQLNumResultCols() returns=%d\n",noc);*/
113 ret
= SQLCloseCursor(stmt
);
114 checkrc(ret
,__LINE__
);
116 ret
= SQLTransact(env
,dbc
,SQL_COMMIT
);
117 checkrc(ret
,__LINE__
);
119 printf("Total row fetched=%d\n",count
);
130 SQLCHAR outstr
[1024];
131 SQLSMALLINT outstrlen
;
133 // Aloocate an environment handle
134 ret
=SQLAllocHandle(SQL_HANDLE_ENV
,SQL_NULL_HANDLE
,&env
);
135 checkrc(ret
,__LINE__
);
137 //we need odbc3 support
138 SQLSetEnvAttr(env
,SQL_ATTR_ODBC_VERSION
,(void*)SQL_OV_ODBC3
,0);
140 //ALLOCATE A Connection handle
141 ret
= SQLAllocHandle(SQL_HANDLE_DBC
,env
,&dbc
);
142 checkrc(ret
,__LINE__
);
144 // connect to the DSN mydsn
145 ret
= SQLConnect (dbc
,
146 (SQLCHAR
*) "DSN=mycsql;MODE=csql;SERVER=127.0.0.1;PORT=5678;", (SQLSMALLINT
) strlen ("DSN=mycsql;MODE=csql;SERVER=127.0.0.1;PORT=5678;"),
148 (SQLSMALLINT
) strlen ("root"),
149 (SQLCHAR
*) "manager",
150 (SQLSMALLINT
) strlen (""));
152 if(SQL_SUCCEEDED(ret
))
154 printf("\nConnected to the Data Source..\n");
160 printf("error in connection\n");
163 ret
= SQLFreeHandle(SQL_HANDLE_DBC
,dbc
);
164 checkrc(ret
,__LINE__
);
166 ret
= SQLFreeHandle(SQL_HANDLE_ENV
,env
);
167 checkrc(ret
,__LINE__
);
172 //******************************************************************
174 ret
= SQLAllocHandle(SQL_HANDLE_STMT
,dbc
,&stmt
);
175 checkrc(ret
,__LINE__
);
178 "CREATE TABLE T1(F1 INT,F2 INT)";
179 ret
= SQLPrepare(stmt
,table
,SQL_NTS
);
180 checkrc(ret
,__LINE__
);
181 ret
= SQLExecute(stmt
);
182 printf("\nTABLE CREATED\n");
183 //****************************************************************
185 InsertTest(env
,dbc
,stmt
);
186 //*****************************************************************
188 ret1
=FetchTest(env
,dbc
,stmt
);
190 //****************************************************************
191 ret
= SQLExecDirect(stmt
,(unsigned char*)"DROP TABLE T1",SQL_NTS
);
192 checkrc(ret
,__LINE__
);
193 printf("Table 'T1' dropped\n");
194 ret
= SQLFreeHandle(SQL_HANDLE_STMT
,stmt
);
195 checkrc(ret
,__LINE__
);
197 ret
= SQLDisconnect(dbc
);
198 checkrc(ret
,__LINE__
);
200 ret
= SQLFreeHandle(SQL_HANDLE_DBC
,dbc
);
201 checkrc(ret
,__LINE__
);
203 ret
= SQLFreeHandle(SQL_HANDLE_ENV
,env
);
204 checkrc(ret
,__LINE__
);
206 if(ret1
== 0)return 1;