1 /* Use Connection String "DSN=mycsql;MODE=csql;SERVER=127.0.0.1;PORT=5678;" for Connect Data Source
2 * CREATE TABLE "T1" WITH 10 FIELDS.
3 SQLColumns() Should return all field infomation
13 #define STR_LEN 128 + 1
14 #define REM_LEN 254 + 1
16 //*************************************************************************
17 // ERROR CHECK FUNCTION
18 inline void checkrc(int rc
,int line
)
22 printf("ERROR %d at line %d\n",rc
,line
);
27 //*************************************************************************
28 // FUNCTION FOR INSERTING ROWS IN IT.
30 int FetchTest(SQLHANDLE env
, SQLHANDLE dbc
, SQLHANDLE stmt
)
34 SQLCHAR szSchema
[STR_LEN
];
35 SQLCHAR szCatalog
[STR_LEN
];
36 SQLCHAR szColumnName
[STR_LEN
];
37 SQLCHAR szTableName
[STR_LEN
];
38 SQLCHAR szTypeName
[STR_LEN
];
39 SQLCHAR szRemarks
[REM_LEN
];
40 SQLCHAR szColumnDefault
[STR_LEN
];
41 SQLCHAR szIsNullable
[STR_LEN
];
43 SQLINTEGER ColumnSize
;
44 SQLINTEGER BufferLength
;
45 SQLINTEGER CharOctetLength
;
46 SQLINTEGER OrdinalPosition
;
49 SQLSMALLINT DecimalDigits
;
50 SQLSMALLINT NumPrecRadix
;
52 SQLSMALLINT SQLDataType
;
53 SQLSMALLINT DatetimeSubtypeCode
;
55 ret
= SQLColumns(stmt
, (SQLCHAR
*)"", SQL_NTS
, (SQLCHAR
*)"", SQL_NTS
, (SQLCHAR
*)"T1", SQL_NTS
, NULL
, 0);
56 checkrc(ret
,__LINE__
);
57 short totalFields
= 0 ;
58 ret
= SQLNumResultCols (stmt
, &totalFields
);
59 checkrc(ret
,__LINE__
);
60 printf( "No of columns in resultset = %d\n",totalFields
);
63 SQLBindCol(stmt
, 1, SQL_C_CHAR
, szCatalog
, STR_LEN
,NULL
);
64 SQLBindCol(stmt
, 2, SQL_C_CHAR
, szSchema
, STR_LEN
, NULL
);
65 SQLBindCol(stmt
, 3, SQL_C_CHAR
, szTableName
, STR_LEN
,NULL
);
66 SQLBindCol(stmt
, 4, SQL_C_CHAR
, szColumnName
, STR_LEN
, NULL
);
67 SQLBindCol(stmt
, 5, SQL_C_SSHORT
, &DataType
, 0, NULL
);
68 SQLBindCol(stmt
, 6, SQL_C_CHAR
, szTypeName
, STR_LEN
, NULL
);
69 SQLBindCol(stmt
, 7, SQL_C_SLONG
, &ColumnSize
, 0, NULL
);
70 SQLBindCol(stmt
, 8, SQL_C_SLONG
, &BufferLength
, 0, NULL
);
71 SQLBindCol(stmt
, 9, SQL_C_SSHORT
, &DecimalDigits
, 0, NULL
);
72 SQLBindCol(stmt
, 10, SQL_C_SSHORT
, &NumPrecRadix
, 0, NULL
);
73 SQLBindCol(stmt
, 11, SQL_C_SSHORT
, &Nullable
, 0, NULL
);
74 SQLBindCol(stmt
, 12, SQL_C_CHAR
, szRemarks
, REM_LEN
, NULL
);
75 SQLBindCol(stmt
, 13, SQL_C_CHAR
, szColumnDefault
, STR_LEN
, NULL
);
76 SQLBindCol(stmt
, 14, SQL_C_SSHORT
, &SQLDataType
, 0, NULL
);
77 SQLBindCol(stmt
, 15, SQL_C_SSHORT
, &DatetimeSubtypeCode
, 0,NULL
);
78 SQLBindCol(stmt
, 16, SQL_C_SLONG
, &CharOctetLength
, 0, NULL
);
79 SQLBindCol(stmt
, 17, SQL_C_SLONG
, &OrdinalPosition
, 0, NULL
);
80 SQLBindCol(stmt
, 18, SQL_C_CHAR
, szIsNullable
, STR_LEN
, NULL
);
82 while(SQL_SUCCEEDED(ret
= SQLFetch(stmt
))){
83 printf("szCatalog =%s \t szSchema=%s \t szTableName=%s \t szColumnName= %s \t DataType = %d ColumnSize = %d Nullable =%d szRemarks = %s, OrdinalPosition =%d szIsNullable =%s\n ",szCatalog
,szSchema
,szTableName
,szColumnName
,DataType
,ColumnSize
,Nullable
,szRemarks
,OrdinalPosition
,szIsNullable
);
85 ret
= SQLCloseCursor(stmt
);
86 checkrc(ret
,__LINE__
);
88 ret
= SQLTransact(env
,dbc
,SQL_COMMIT
);
89 checkrc(ret
,__LINE__
);
101 SQLCHAR outstr
[1024];
102 SQLSMALLINT outstrlen
;
104 // Aloocate an environment handle
105 ret
=SQLAllocHandle(SQL_HANDLE_ENV
,SQL_NULL_HANDLE
,&env
);
106 checkrc(ret
,__LINE__
);
108 //we need odbc3 support
109 SQLSetEnvAttr(env
,SQL_ATTR_ODBC_VERSION
,(void*)SQL_OV_ODBC3
,0);
111 //ALLOCATE A Connection handle
112 ret
= SQLAllocHandle(SQL_HANDLE_DBC
,env
,&dbc
);
113 checkrc(ret
,__LINE__
);
115 // connect to the DSN mydsn
116 ret
= SQLConnect (dbc
,
117 (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;"),
119 (SQLSMALLINT
) strlen ("root"),
120 (SQLCHAR
*) "manager",
121 (SQLSMALLINT
) strlen (""));
124 if(SQL_SUCCEEDED(ret
))
126 printf("\nConnected to the Data Source..\n");
133 printf("error in conenction\n");
135 ret
= SQLFreeHandle(SQL_HANDLE_DBC
,dbc
);
136 checkrc(ret
,__LINE__
);
138 ret
= SQLFreeHandle(SQL_HANDLE_ENV
,env
);
139 checkrc(ret
,__LINE__
);
144 //*****************************************************
146 ret
= SQLAllocHandle(SQL_HANDLE_STMT
,dbc
,&stmt
);
147 checkrc(ret
,__LINE__
);
150 "CREATE TABLE T1(F1 INT,F2 SMALLINT,F3 CHAR(30),F4 FLOAT,F5 FLOAT,F6 DATE,F7 TIME,F8 TIMESTAMP,F9 TINYINT,F10 BIGINT,PRIMARY KEY(F2,F7,F1));";
152 ret
= SQLPrepare(stmt
,table
,SQL_NTS
);
153 checkrc(ret
,__LINE__
);
154 ret
= SQLExecute(stmt
);
155 checkrc(ret
,__LINE__
);
156 printf("\nTABLE CREATED\n");
157 //***************************
158 FetchTest(env
,dbc
,stmt
);
159 //**************************************************
160 SQLCHAR drop
[100]="DROP TABLE T1";
161 ret
= SQLPrepare(stmt
,drop
,SQL_NTS
);
162 checkrc(ret
,__LINE__
);
163 ret
= SQLExecute(stmt
);
164 if(ret
!=SQL_SUCCESS
&& ret
!=SQL_SUCCESS_WITH_INFO
)
166 printf("Statement failed\n");
170 printf("Table dropped successfully\n");
172 ret
= SQLFreeHandle(SQL_HANDLE_STMT
,stmt
);
173 checkrc(ret
,__LINE__
);
175 ret
= SQLDisconnect(dbc
);
176 checkrc(ret
,__LINE__
);
178 ret
= SQLFreeHandle(SQL_HANDLE_DBC
,dbc
);
179 checkrc(ret
,__LINE__
);
181 ret
= SQLFreeHandle(SQL_HANDLE_ENV
,env
);
182 checkrc(ret
,__LINE__
);