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first commit for openGauss connect odbc code

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This commit is contained in:
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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148
odbc-test-gauss/odbc_smalldatetime_03_SQLBindParameter.c Normal file
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/*
����odbc֧��smalldatetime����
test: SQLBindParameter()���� ��ѯ�����Ľ��������ݿ��еĽ�����һ�£�
*/
#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;
TIMESTAMP_STRUCT *sTime = NULL;
TIMESTAMP_STRUCT result;
sTime = (TIMESTAMP_STRUCT *)malloc(sizeof(TIMESTAMP_STRUCT));
if (NULL == sTime)
goto exit;
sTime->year = 2012;
sTime->month = 12;
sTime->day = 12;
sTime->hour = 9;
sTime->minute = 10;
sTime->second = 31;
SQLLEN cbID = 0;
SQLINTEGER bID = 0;
SQLINTEGER errInfo = 0;
SQLSMALLINT errCb = 0;
SQLCHAR time[200];
SQLCHAR errMsg[200];
(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 SQL data types from DSN */
/*****************************************************************/
rc = SQLExecDirect(hStmt,"drop table IF EXISTS odbc_smalldatetime_03_SQLBindParamater",SQL_NTS);
if (!SQL_SUCCEEDED(rc))
goto exit;
rc = SQLExecDirect(hStmt,"create table odbc_smalldatetime_03_SQLBindParamater(tm smalldatetime)",SQL_NTS);
if (!SQL_SUCCEEDED(rc))
goto exit;
SQLPrepare(hStmt,"insert into odbc_smalldatetime_03_SQLBindParamater values(?)",SQL_NTS);
SQLBindParameter(hStmt,1,SQL_PARAM_INPUT,SQL_C_TYPE_TIMESTAMP,SQL_TYPE_TIMESTAMP,100,0,sTime,sizeof(TIMESTAMP_STRUCT),&cbID);
rc = SQLExecute(hStmt);
if ((!SQL_SUCCEEDED(rc)))
goto exit;
rc = SQLExecDirect(hStmt,"select tm from odbc_smalldatetime_03_SQLBindParamater",SQL_NTS);
if (!SQL_SUCCEEDED(rc))
goto exit;
rc = SQLBindCol(hStmt,1,SQL_C_TYPE_TIMESTAMP, (SQLPOINTER)&result,sizeof(result),&cbID);
if (!SQL_SUCCEEDED(rc))
goto exit;
rc = SQLFetch(hStmt);
while(rc != SQL_NO_DATA)
{
sprintf(time, "%.4d-%.2d-%.2d %.2d:%.2d:%.2d", result.year, result.month, result.day,result.hour,result.minute,result.second);
printf("TIME = %s\n\n",time);
rc = SQLFetch(hStmt);
};
if (!SQL_SUCCEEDED(rc) && rc != SQL_NO_DATA)
goto exit;
/*****************************************************************/
/* Free statement handle */
/*****************************************************************/
RETCODE = 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);
}