1 /*
2 Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License, version 2.0,
6 as published by the Free Software Foundation.
7
8 This program is also distributed with certain software (including
9 but not limited to OpenSSL) that is licensed under separate terms,
10 as designated in a particular file or component or in included license
11 documentation. The authors of MySQL hereby grant you an additional
12 permission to link the program and your derivative works with the
13 separately licensed software that they have included with MySQL.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License, version 2.0, for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 */
24
25
26 #include <NdbApi.hpp>
27
28 #include "adapter_global.h"
29 #include "js_wrapper_macros.h"
30 #include "Record.h"
31 #include "NdbWrappers.h"
32 #include "BatchImpl.h"
33
34
BatchImpl(TransactionImpl * ctx,int _sz)35 BatchImpl::BatchImpl(TransactionImpl * ctx, int _sz) :
36 keyOperations(new KeyOperation[_sz]),
37 ops(new const NdbOperation *[_sz]),
38 errors(new NdbError[_sz]),
39 size(_sz),
40 doesReadBlobs(false),
41 transactionImpl(ctx),
42 transactionNdbError(0)
43 {};
44
45
~BatchImpl()46 BatchImpl::~BatchImpl() {
47 DEBUG_PRINT("BatchImpl destructor [size %d]", size);
48 delete[] keyOperations;
49 delete[] ops;
50 delete[] errors;
51 delete transactionNdbError;
52 }
53
setOperationNdbError(int i,const NdbError & err)54 void BatchImpl::setOperationNdbError(int i, const NdbError & err) {
55 if(err.code > 0) {
56 errors[i].status = err.status;
57 errors[i].classification = err.classification;
58 errors[i].code = err.code;
59 errors[i].mysql_code = err.mysql_code;
60 errors[i].message = err.message;
61 }
62 }
63
prepare(NdbTransaction * ndbtx)64 void BatchImpl::prepare(NdbTransaction *ndbtx) {
65 for(int i = 0 ; i < size ; i++) {
66 ops[i] = 0;
67 if(keyOperations[i].opcode > 0) {
68 const NdbOperation *op = keyOperations[i].prepare(ndbtx);
69 if(op) {
70 ops[i] = op;
71 } else {
72 setOperationNdbError(i, ndbtx->getNdbError());
73 }
74 DEBUG_PRINT("prepare %s [%s]", keyOperations[i].getOperationName(),
75 op ? "ok" : errors[i].message);
76 if(keyOperations[i].isBlobReadOperation()) doesReadBlobs = true;
77 }
78 }
79 }
80
tryImmediateStartTransaction()81 bool BatchImpl::tryImmediateStartTransaction() {
82 if(doesReadBlobs) {
83 return false;
84 }
85 return transactionImpl->tryImmediateStartTransaction(& keyOperations[0]);
86 }
87
saveNdbErrors()88 void BatchImpl::saveNdbErrors() {
89 transactionNdbError = new NdbError(transactionImpl->getNdbError());
90 for(int i = 0 ; i < size ; i++)
91 if(ops[i])
92 setOperationNdbError(i, ops[i]->getNdbError());
93 }
94
getError(int n)95 const NdbError * BatchImpl::getError(int n) {
96 if(n < size) { // If operation is not open, use saved error
97 return ops[n] ? & ops[n]->getNdbError() : & errors[n];
98 }
99 return 0; // This becomes JavaScript "true"
100 }
101
getNdbError()102 const NdbError & BatchImpl::getNdbError() {
103 return transactionNdbError ?
104 * transactionNdbError : transactionImpl->getNdbError();
105 }
106
transactionIsClosed()107 void BatchImpl::transactionIsClosed() {
108 for(int i = 0 ; i < size ; i++)
109 ops[i] = 0;
110 }
111