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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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140
odbc-test-gauss/odbc_tinyint_07_SQLPrimaryKeys.c Normal file
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/*
测试odbc支持tinyint类型
test: SQLPrimaryKeys()函数,字段类型为tinyint的列作为主键的时候，能查询出来
*/
#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 schema[200] = "PUBLIC";
SQLCHAR table[200] = "ODBC_TINYINT_07";
SQLCHAR colname[200] = {0};
SQLLEN cbcolname = 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
{
printf("connetct 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 ------------> */
/* */
/* The result set consists of 15 columns. We only bind */
/* serveral we modified for tinyint. Note: Need */
/* not bind all columns of result set -- only those required. */
/* */
/*****************************************************************/
rc = SQLExecDirect(hStmt,"drop table IF EXISTS odbc_tinyint_07",SQL_NTS);
if (!SQL_SUCCEEDED(rc))
{
goto exit;
}
rc = SQLExecDirect(hStmt,"create table odbc_tinyint_07(id tinyint PRIMARY KEY) distribute by replication ",SQL_NTS);
if (!SQL_SUCCEEDED(rc))
{
goto exit;
}
rc = SQLExecDirect(hStmt,"insert into odbc_tinyint_07 values(100)",SQL_NTS);
if (!SQL_SUCCEEDED(rc))
{
goto exit;
}
rc = SQLPrimaryKeys(hStmt, NULL, 0, schema, sizeof(schema),table,sizeof(table));
if (!SQL_SUCCEEDED(rc))
{
printf("SQLPrimaryKeys error!\n");
goto exit;
}
rc = SQLBindCol(hStmt,4,SQL_C_CHAR, (SQLPOINTER)colname,sizeof(colname),&cbcolname);
rc = SQLFetch(hStmt);
while(rc != SQL_NO_DATA)
{
printf("The primary key column is ----: %s\n",colname);
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);
}