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first commit for openGauss connect odbc code

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lishifu
2020-06-24 16:11:37 +08:00
parent 2a3a17f54e
commit 59eb2808c4
458 changed files with 141117 additions and 75 deletions
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131
odbc-test-gauss/odbc_tinyint_05_SQLGetData.c Normal file
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/*
����odbc֧��tinyint����
test: SQLGetData()����,����ȡ��tinyint���͵�����
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sql.h>
#include <sqlext.h>
#include <sqltypes.h>
int main( )
{
SQLHENV hEnv = SQL_NULL_HENV;
SQLHDBC hDbc = SQL_NULL_HDBC;
SQLHSTMT hStmt = SQL_NULL_HSTMT;
SQLRETURN rc = SQL_SUCCESS;
SQLINTEGER RETCODE = 0;
SQLCHAR sID = 0;
SQLLEN cbID = 0;
(void) printf ("**** Entering CLIP06.\n\n");
/*****************************************************************/
/* Allocate environment handle */
/*****************************************************************/
RETCODE = SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &hEnv);
if (!SQL_SUCCEEDED(RETCODE))
goto dberror;
SQLSetEnvAttr(hEnv, SQL_ATTR_ODBC_VERSION, (void*)SQL_OV_ODBC3, 0);
/*****************************************************************/
/* Allocate connection handle to DSN */
/*****************************************************************/
RETCODE = SQLAllocHandle(SQL_HANDLE_DBC, hEnv, &hDbc);
if( !SQL_SUCCEEDED(RETCODE) ) // Could not get a Connect Handle
goto dberror;
/*****************************************************************/
/* CONNECT TO data source (STLEC1) */
/*****************************************************************/
RETCODE = SQLConnect(hDbc, // Connect handle
(SQLCHAR *)"gaussdb", // DSN
SQL_NTS, // DSN is nul-terminated
NULL, // Null UID
0 ,
NULL, // Null Auth string
0);
if( !SQL_SUCCEEDED(RETCODE)) // Connect failed
goto dberror;
/*****************************************************************/
/* Allocate statement handle */
/*****************************************************************/
rc = SQLAllocHandle(SQL_HANDLE_STMT, hDbc, &hStmt);
if (!SQL_SUCCEEDED(rc))
goto exit;
/*****************************************************************/
/* Retrieve native SQL types from DSN */
/*****************************************************************/
rc = SQLExecDirect(hStmt,"drop table IF EXISTS odbc_tinyint_05_SQLGetData",SQL_NTS);
if (!SQL_SUCCEEDED(rc))
goto exit;
rc = SQLExecDirect(hStmt,"create table odbc_tinyint_05_SQLGetData(id tinyint,name varchar(20))",SQL_NTS);
if (!SQL_SUCCEEDED(rc))
goto exit;
/* tinyint [0,255] */
rc = SQLExecDirect(hStmt,"insert into odbc_tinyint_05_SQLGetData values(1,'Joe')",SQL_NTS);
if (!SQL_SUCCEEDED(rc))
goto exit;
rc = SQLExecDirect(hStmt,"insert into odbc_tinyint_05_SQLGetData values(0,'Mike')",SQL_NTS);
if (!SQL_SUCCEEDED(rc))
goto exit;
rc = SQLExecDirect(hStmt,"insert into odbc_tinyint_05_SQLGetData values(255,'Mary')",SQL_NTS);
if (!SQL_SUCCEEDED(rc))
goto exit;
rc = SQLExecDirect(hStmt,"select id,name from odbc_tinyint_05_SQLGetData order by 1",SQL_NTS);
if (!SQL_SUCCEEDED(rc))
goto exit;
rc = SQLFetch(hStmt);
while(rc != SQL_NO_DATA)
{
/* test SQLGetData */
SQLGetData(hStmt,1,SQL_C_UTINYINT,(SQLPOINTER)&sID,0,&cbID);
printf("ID = %d\n\n",sID);
rc = SQLFetch(hStmt);
};
if (!SQL_SUCCEEDED(rc) && rc != SQL_NO_DATA)
goto exit;
/*****************************************************************/
/* Free statement handle */
/*****************************************************************/
rc = SQLFreeHandle(SQL_HANDLE_STMT, hStmt);
if (!SQL_SUCCEEDED(RETCODE)) // An advertised API failed
goto dberror;
/*****************************************************************/
/* DISCONNECT from data source */
/*****************************************************************/
RETCODE = SQLDisconnect(hDbc);
if (!SQL_SUCCEEDED(RETCODE))
goto dberror;
/*****************************************************************/
/* Deallocate connection handle */
/*****************************************************************/
RETCODE = SQLFreeHandle(SQL_HANDLE_DBC, hDbc);
if (!SQL_SUCCEEDED(RETCODE))
goto dberror;
/*****************************************************************/
/* Free environment handle */
/*****************************************************************/
RETCODE = SQLFreeHandle(SQL_HANDLE_ENV, hEnv);
if (!SQL_SUCCEEDED(RETCODE))
goto exit;
return 0;
dberror:
RETCODE=12;
exit:
(void) printf ("**** Exiting CLIP06.\n\n");
return(RETCODE);
}