/* 测试odbc支持tinyint类型 test: SQLBindParameter()函数,且绑定的参数值超过范围[0,255]时,会自动截取为上下限的值 */ #include #include #include #include #include #include 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 insertID1 = 125; SQLCHAR insertID2 = 0; SQLCHAR insertID3 = 255; SQLINTEGER insertID4 = -1; SQLINTEGER insertID5 = 256; SQLLEN cdInsertID1 = 0; SQLLEN cdInsertID2 = 0; SQLLEN cdInsertID3 = 0; SQLLEN cdInsertID4 = 0; SQLLEN cdInsertID5 = 0; SQLLEN cbID = 0; SQLINTEGER bID = 0; SQLINTEGER errInfo = 0; SQLSMALLINT errCb = 0; SQLCHAR errStat[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_tinyint_03_SQLBindParamater",SQL_NTS); if (!SQL_SUCCEEDED(rc)) goto exit; rc = SQLExecDirect(hStmt,"create table odbc_tinyint_03_SQLBindParamater(id tinyint)",SQL_NTS); if (!SQL_SUCCEEDED(rc)) goto exit; SQLPrepare(hStmt,"insert into odbc_tinyint_03_SQLBindParamater values(?)",SQL_NTS); SQLBindParameter(hStmt,1,SQL_PARAM_INPUT,SQL_C_UTINYINT,SQL_TINYINT,0,0,&insertID1,sizeof(insertID1),&cdInsertID1); rc = SQLExecute(hStmt); if ((!SQL_SUCCEEDED(rc))) goto exit; SQLBindParameter(hStmt,1,SQL_PARAM_INPUT,SQL_C_UTINYINT,SQL_TINYINT,0,0,&insertID2,sizeof(insertID2),&cdInsertID2); rc = SQLExecute(hStmt); if ((!SQL_SUCCEEDED(rc))) goto exit; SQLBindParameter(hStmt,1,SQL_PARAM_INPUT,SQL_C_UTINYINT,SQL_TINYINT,0,0,&insertID3,sizeof(insertID3),&cdInsertID3); rc = SQLExecute(hStmt); if ((!SQL_SUCCEEDED(rc))) goto exit; /*-1 will be trucated*/ SQLBindParameter(hStmt,1,SQL_PARAM_INPUT,SQL_C_UTINYINT,SQL_TINYINT,0,0,&insertID4,sizeof(insertID4),&cdInsertID4); rc = SQLExecute(hStmt); if ((!SQL_SUCCEEDED(rc))) goto exit; /*256 will be trucated*/ SQLBindParameter(hStmt,1,SQL_PARAM_INPUT,SQL_C_UTINYINT,SQL_TINYINT,0,0,&insertID5,sizeof(insertID5),&cdInsertID5); rc = SQLExecute(hStmt); if ((!SQL_SUCCEEDED(rc))) goto exit; rc = SQLExecDirect(hStmt,"select id from odbc_tinyint_03_SQLBindParamater order by id;",SQL_NTS); if (!SQL_SUCCEEDED(rc)) goto exit; rc = SQLBindCol(hStmt,1,SQL_C_UTINYINT, (SQLPOINTER)&bID,0,&cbID); if (!SQL_SUCCEEDED(rc)) goto exit; rc = SQLFetch(hStmt); while(rc != SQL_NO_DATA) { printf("ID = %d\n",bID); 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); }