1 // create table T1 with two integer field. perform insert,update,select.
3 // AUTHOR : Jitendra Lenka
11 //*************************************************************************
13 inline void checkrc(int rc
,int line
)
17 printf("ERROR %d at line %d\n",rc
,line
);
23 // FETCH ROWS FROM THE TABLE "T1"......select * from T1;
24 int FetchTest(SQLHANDLE env
, SQLHANDLE dbc
, SQLHANDLE stmt
)
32 ret
= SQLPrepare(stmt
,(unsigned char*)"SELECT F2 FROM T1 ",SQL_NTS
);
33 checkrc(ret
,__LINE__
);
35 //ret = SQLBindParameter(stmt,1,SQL_PARAM_INPUT,SQL_C_SMALL,SQL_SMALL,0,0,)
36 ret
= SQLBindCol(stmt
,1,SQL_C_LONG
,&f2
,0,NULL
);
37 checkrc(ret
,__LINE__
);
40 ret
= SQLExecute(stmt
);
41 checkrc(ret
,__LINE__
);
42 while(SQL_SUCCEEDED(ret
= SQLFetch(stmt
)))
50 SQLNumResultCols(stmt,&noc);
51 printf("SQLNumResultCols() returns=%d\n",noc);*/
53 ret
= SQLCloseCursor(stmt
);
54 checkrc(ret
,__LINE__
);
56 ret
= SQLTransact(env
,dbc
,SQL_COMMIT
);
57 checkrc(ret
,__LINE__
);
59 printf("Total row fetched=%d\n",count
);
72 SQLSMALLINT outstrlen
;
74 // Aloocate an environment handle
75 ret
=SQLAllocHandle(SQL_HANDLE_ENV
,SQL_NULL_HANDLE
,&env
);
76 checkrc(ret
,__LINE__
);
78 //we need odbc3 support
79 ret
=SQLSetEnvAttr(env
,SQL_ATTR_ODBC_VERSION
,(void*)SQL_OV_ODBC3
,0);
80 checkrc(ret
,__LINE__
);
81 //ALLOCATE A Connection handle
82 ret
= SQLAllocHandle(SQL_HANDLE_DBC
,env
,&dbc
);
83 checkrc(ret
,__LINE__
);
85 // connect to the DSN mydsn
86 ret
= SQLConnect (dbc
,
87 (SQLCHAR
*) "test", (SQLSMALLINT
) strlen ("test"),
89 (SQLSMALLINT
) strlen ("root"),
90 (SQLCHAR
*) "manager",
91 (SQLSMALLINT
) strlen (""));
93 if(SQL_SUCCEEDED(ret
))
95 printf("\nConnected to the Data Source..\n");
101 printf("error in connection\n");
102 ret
= SQLFreeHandle(SQL_HANDLE_DBC
,dbc
);
103 checkrc(ret
,__LINE__
);
105 ret
= SQLFreeHandle(SQL_HANDLE_ENV
,env
);
106 checkrc(ret
,__LINE__
);
110 ret
= SQLSetConnectAttr(dbc
,SQL_ATTR_AUTOCOMMIT
,(void*)SQL_AUTOCOMMIT_OFF
,SQL_IS_UINTEGER
);
111 checkrc(ret
,__LINE__
);
112 //******************************************************************
114 ret
= SQLAllocHandle(SQL_HANDLE_STMT
,dbc
,&stmt
);
115 checkrc(ret
,__LINE__
);
118 "CREATE TABLE T1(F1 INT,F2 INT);";
119 ret
= SQLPrepare(stmt
,table
,SQL_NTS
);
120 checkrc(ret
,__LINE__
);
121 ret
= SQLExecute(stmt
);
122 checkrc(ret
,__LINE__
);
123 SQLFreeStmt(stmt
, SQL_CLOSE
);
125 printf("\nTABLE CREATED\n");
126 //****************************************************************
127 ret
= SQLPrepare(stmt
,(unsigned char*)"INSERT INTO T1 VALUES(1,1);",SQL_NTS
);
128 checkrc(ret
,__LINE__
);
129 ret
= SQLExecute(stmt
);
130 checkrc(ret
,__LINE__
);
132 SQLFreeStmt(stmt
, SQL_CLOSE
);
133 ret
= SQLEndTran(SQL_HANDLE_DBC
,dbc
,SQL_COMMIT
);
134 if(ret
!=SQL_SUCCESS
&& ret
!=SQL_SUCCESS_WITH_INFO
)
135 printf("error in commit\n");
136 //InsertTest(env,dbc,stmt);
137 //*****************************************************************
140 ret
= SQLPrepare(stmt
,(unsigned char*)"UPDATE T1 SET F2=100;",SQL_NTS
);
141 checkrc(ret
,__LINE__
);
142 ret
= SQLExecute(stmt
);
143 checkrc(ret
,__LINE__
);
144 SQLFreeStmt(stmt
, SQL_CLOSE
);
145 ret
= SQLEndTran(SQL_HANDLE_DBC
,dbc
,SQL_COMMIT
);
146 if(ret
!=SQL_SUCCESS
&& ret
!=SQL_SUCCESS_WITH_INFO
)
147 printf("error in commit\n");
148 checkrc(ret
,__LINE__
);
149 //***********************************************************
151 FetchTest(env
,dbc
,stmt
);
153 //****************************************************************
154 ret
= SQLExecDirect(stmt
,(unsigned char*)"DROP TABLE T1",SQL_NTS
);
155 checkrc(ret
,__LINE__
);
156 SQLFreeStmt(stmt
, SQL_CLOSE
);
157 printf("Table T1 dropped\n");
159 ret
= SQLFreeHandle(SQL_HANDLE_STMT
,stmt
);
160 checkrc(ret
,__LINE__
);
162 ret
= SQLDisconnect(dbc
);
163 checkrc(ret
,__LINE__
);
165 ret
= SQLFreeHandle(SQL_HANDLE_DBC
,dbc
);
166 checkrc(ret
,__LINE__
);
168 ret
= SQLFreeHandle(SQL_HANDLE_ENV
,env
);
169 checkrc(ret
,__LINE__
);