1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
//-----------------------------------------------------------------------------
// Copyright (c) 2016, 2022, Oracle and/or its affiliates.
//
// This software is dual-licensed to you under the Universal Permissive License
// (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
// 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
// either license.
//
// If you elect to accept the software under the Apache License, Version 2.0,
// the following applies:
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// DemoInsert.c
// Demos simple insert of numbers and strings.
//-----------------------------------------------------------------------------
#include "SampleLib.h"
#define DELETE_TEXT "delete from DemoTempTable"
#define INSERT_TEXT "insert into DemoTempTable values (:1, :2)"
//-----------------------------------------------------------------------------
// main()
//-----------------------------------------------------------------------------
int main(int argc, char **argv)
{
dpiData intColValue, stringColValue;
uint32_t rowidStrLength;
const char *rowidStr;
uint64_t rowCount;
dpiRowid *rowid;
dpiStmt *stmt;
dpiConn *conn;
// connect to database and create statement
conn = dpiSamples_getConn(0, NULL);
if (dpiConn_prepareStmt(conn, 0, DELETE_TEXT, strlen(DELETE_TEXT), NULL, 0,
&stmt) < 0)
return dpiSamples_showError();
// perform delete
if (dpiStmt_execute(stmt, 0, NULL) < 0)
return dpiSamples_showError();
if (dpiStmt_getRowCount(stmt, &rowCount) < 0)
return dpiSamples_showError();
printf("%" PRIu64 " rows deleted.\n", rowCount);
dpiStmt_release(stmt);
// prepare insert statement for execution
if (dpiConn_prepareStmt(conn, 0, INSERT_TEXT, strlen(INSERT_TEXT), NULL, 0,
&stmt) < 0)
return dpiSamples_showError();
intColValue.isNull = 0;
stringColValue.isNull = 0;
// create first row
intColValue.value.asInt64 = 1;
if (dpiStmt_bindValueByPos(stmt, 1, DPI_NATIVE_TYPE_INT64,
&intColValue) < 0)
return dpiSamples_showError();
stringColValue.value.asBytes.ptr = "DEMO 1";
stringColValue.value.asBytes.length = strlen("DEMO 1");
if (dpiStmt_bindValueByPos(stmt, 2, DPI_NATIVE_TYPE_BYTES,
&stringColValue) < 0)
return dpiSamples_showError();
if (dpiStmt_execute(stmt, 0, NULL) < 0)
return dpiSamples_showError();
if (dpiStmt_getRowCount(stmt, &rowCount) < 0)
return dpiSamples_showError();
if (dpiStmt_getLastRowid(stmt, &rowid) < 0)
return dpiSamples_showError();
if (dpiRowid_getStringValue(rowid, &rowidStr, &rowidStrLength))
return dpiSamples_showError();
printf("%" PRIu64 " row inserted (rowid %.*s).\n", rowCount,
rowidStrLength, rowidStr);
// create second row
intColValue.value.asInt64 = 2;
if (dpiStmt_bindValueByPos(stmt, 1, DPI_NATIVE_TYPE_INT64,
&intColValue) < 0)
return dpiSamples_showError();
stringColValue.value.asBytes.ptr = "DEMO #2";
stringColValue.value.asBytes.length = strlen("DEMO #2");
if (dpiStmt_bindValueByPos(stmt, 2, DPI_NATIVE_TYPE_BYTES,
&stringColValue) < 0)
return dpiSamples_showError();
if (dpiStmt_execute(stmt, 0, NULL) < 0)
return dpiSamples_showError();
if (dpiStmt_getRowCount(stmt, &rowCount) < 0)
return dpiSamples_showError();
if (dpiStmt_getLastRowid(stmt, &rowid) < 0)
return dpiSamples_showError();
if (dpiRowid_getStringValue(rowid, &rowidStr, &rowidStrLength))
return dpiSamples_showError();
printf("%" PRIu64 " row inserted (rowid %.*s).\n", rowCount,
rowidStrLength, rowidStr);
// commit changes
if (dpiConn_commit(conn) < 0)
return dpiSamples_showError();
// clean up
dpiStmt_release(stmt);
dpiConn_release(conn);
printf("Done.\n");
return 0;
}