GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/sql.cc
Date: 2025-06-29 02:35:41
Exec Total Coverage
Lines: 46 87 52.9%
Branches: 12 86 14.0%
Line Branch Exec Source
1 /**
2 * This file is part of the CernVM file system.
3 */
4
5
6 #include "sql.h"
7
8 #include "util/logging.h"
9 #include "util/string.h"
10
11 using namespace std; // NOLINT
12
13 namespace sqlite {
14
15 79857 Sql::Sql(sqlite3 *sqlite_db, const std::string &statement)
16 79857 : database_(NULL)
17 79857 , statement_(NULL)
18 79857 , query_string_(NULL)
19 79857 , last_error_code_(0) {
20 79857 const bool success = Init(sqlite_db, statement);
21
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 79857 assert(success);
22 79857 }
23
24
25 463280 Sql::~Sql() {
26 361140 last_error_code_ = sqlite3_finalize(statement_);
27
28
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 361140 if (!Successful()) {
29 552 LogCvmfs(kLogSql, kLogDebug,
30 "failed to finalize statement - error code: %d", last_error_code_);
31 }
32 361140 LogCvmfs(kLogSql, kLogDebug, "successfully finalized statement");
33 463280 }
34
35
36 /**
37 * Executes the prepared statement.
38 * (this method should be used for modifying statements like DELETE or INSERT)
39 * @return true on success otherwise false
40 */
41 7252825 bool Sql::Execute() {
42 7252825 LazyInit();
43 7252825 last_error_code_ = sqlite3_step(statement_);
44 #ifdef DEBUGMSG
45
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 7252825 if (!Successful()) {
46
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 276 LogCvmfs(kLogSql, kLogDebug, "SQL query failed - SQLite: %d - %s",
47 552 GetLastError(), GetLastErrorMsg().c_str());
48 }
49 #endif
50 7252825 return Successful();
51 }
52
53
54 /**
55 * Execute the prepared statement or fetch its next row.
56 * This method is intended to step through the result set.
57 * If it returns false this does not necessarily mean, that the actual
58 * statement execution failed, but that no row was fetched.
59 * @return true if a new row was fetched otherwise false
60 */
61 309864 bool Sql::FetchRow() {
62 309864 LazyInit();
63 309864 last_error_code_ = sqlite3_step(statement_);
64 309864 return SQLITE_ROW == last_error_code_;
65 }
66
67
68 ✗ std::string Sql::DebugResultTable() {
69 ✗ std::string line;
70 ✗ std::string result;
71 ✗ unsigned int rows = 0;
72
73 // go through all data rows
74 ✗ while (FetchRow()) {
75 // retrieve the table header (once)
76 ✗ const unsigned int cols = sqlite3_column_count(statement_);
77 ✗ if (rows == 0) {
78 ✗ for (unsigned int col = 0; col < cols; ++col) {
79 ✗ const char *name = sqlite3_column_name(statement_, col);
80 ✗ line += name;
81 ✗ if (col + 1 < cols)
82 ✗ line += " | ";
83 }
84 ✗ result += line + "\n";
85 ✗ line.clear();
86 }
87
88 // retrieve the data fields for each row
89 ✗ for (unsigned int col = 0; col < cols; ++col) {
90 ✗ const int type = sqlite3_column_type(statement_, col);
91 ✗ switch (type) {
92 ✗ case SQLITE_INTEGER:
93 ✗ line += StringifyInt(RetrieveInt64(col));
94 ✗ break;
95 ✗ case SQLITE_FLOAT:
96 ✗ line += StringifyDouble(RetrieveDouble(col));
97 ✗ break;
98 ✗ case SQLITE_TEXT:
99 ✗ line += reinterpret_cast<const char *>(RetrieveText(col));
100 ✗ break;
101 ✗ case SQLITE_BLOB:
102 ✗ line += "[BLOB data]";
103 ✗ break;
104 ✗ case SQLITE_NULL:
105 ✗ line += "[NULL]";
106 ✗ break;
107 }
108 ✗ if (col + 1 < cols)
109 ✗ line += " | ";
110 }
111
112 ✗ result += line + "\n";
113 ✗ line.clear();
114 ✗ ++rows;
115 }
116
117 // print the result
118 ✗ result += "Retrieved Rows: " + StringifyInt(rows);
119 ✗ return result;
120 }
121
122
123 /**
124 * Reset a prepared statement to make it reusable.
125 * @return true on success otherwise false
126 */
127 7362760 bool Sql::Reset() {
128 7362760 last_error_code_ = sqlite3_reset(statement_);
129 7362760 return Successful();
130 }
131
132
133 99035 bool Sql::Init(const sqlite3 *database, const std::string &statement) {
134 99035 database_ = const_cast<sqlite3 *>(database);
135 99035 return Init(statement.c_str());
136 }
137
138 119830 bool Sql::Init(const char *statement) {
139
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 119830 assert(NULL == statement_);
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 119830 assert(NULL != database_);
141
142 119830 last_error_code_ = sqlite3_prepare_v2(database_,
143 statement,
144 -1, // parse until null termination
145 &statement_,
146 NULL);
147
148
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 119830 if (!Successful()) {
149 ✗ LogCvmfs(kLogSql, kLogDebug, "failed to prepare statement '%s' (%d: %s)",
150 statement, GetLastError(), sqlite3_errmsg(database_));
151 ✗ return false;
152 }
153
154 119830 LogCvmfs(kLogSql, kLogDebug, "successfully prepared statement '%s'",
155 statement);
156 119830 return true;
157 }
158
159 82679 void Sql::DeferredInit(const sqlite3 *database, const char *statement) {
160
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 82679 assert(NULL == database_);
161 82679 database_ = const_cast<sqlite3 *>(database);
162 82679 query_string_ = statement;
163 82679 }
164
165 276 std::string Sql::GetLastErrorMsg() const {
166
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 276 std::string msg = sqlite3_errmsg(database_);
167 276 return msg;
168 }
169
170 } // namespace sqlite
171