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/src/Statement.cpp

/**
 * @file    Statement.cpp
 * @ingroup SQLiteCpp
 * @brief   A prepared SQLite Statement is a compiled SQL query ready to be executed, pointing to a row of result.
 *
 * Copyright (c) 2012-2025 Sebastien Rombauts (sebastien.rombauts@gmail.com)
 *
 * Distributed under the MIT License (MIT) (See accompanying file LICENSE.txt
 * or copy at http://opensource.org/licenses/MIT)
 */
#include <SQLiteCpp/Statement.h>

#include <SQLiteCpp/Database.h>
#include <SQLiteCpp/Column.h>
#include <SQLiteCpp/Assertion.h>
#include <SQLiteCpp/Exception.h>

#include <sqlite3.h>

// check for if SQLite3 version >= 3.14.0
#if SQLITE_VERSION_NUMBER < 3014000
    #warning "SQLite3 version is less than 3.14.0, so expanded SQL is not available"
    #warning "To use expanded SQL, please upgrade to SQLite3 version 3.14.0 or later"
    #warning "If you want to disable this warning, define SQLITECPP_DISABLE_SQLITE3_EXPANDED_SQL"
    #warning "or use the specific project option in your build system"
    #warning "disabling expanded SQL support"
    #define SQLITECPP_DISABLE_SQLITE3_EXPANDED_SQL
#endif


namespace SQLite
{

Statement::Statement(const Database& aDatabase, const char* apQuery) :
    mQuery(apQuery),
    mpSQLite(aDatabase.getHandle()),
    mpPreparedStatement(prepareStatement()) // prepare the SQL query (needs Database friendship)
{
    mColumnCount = sqlite3_column_count(mpPreparedStatement.get());
}

Statement::Statement(Statement&& aStatement) noexcept :
    mQuery(std::move(aStatement.mQuery)),
    mpSQLite(aStatement.mpSQLite),
    mpPreparedStatement(std::move(aStatement.mpPreparedStatement)),
    mColumnCount(aStatement.mColumnCount),
    mbHasRow(aStatement.mbHasRow),
    mbDone(aStatement.mbDone),
    mColumnNames(std::move(aStatement.mColumnNames))
{
    aStatement.mpSQLite = nullptr;
    aStatement.mColumnCount = 0;
    aStatement.mbHasRow = false;
    aStatement.mbDone = false;
}

// Reset the statement to make it ready for a new execution (see also #clearBindings() below)
void Statement::reset()
{
    const int ret = tryReset();
    check(ret);
}

int Statement::tryReset() noexcept
{
    mbHasRow = false;
    mbDone = false;
    return sqlite3_reset(mpPreparedStatement.get());
}

// Clears away all the bindings of a prepared statement (can be associated with #reset() above).
void Statement::clearBindings()
{
    const int ret = sqlite3_clear_bindings(getPreparedStatement());
    check(ret);
}

int Statement::getIndex(const char * const apName) const
{
    return sqlite3_bind_parameter_index(getPreparedStatement(), apName);
}

// Bind an 32bits int value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
void Statement::bind(const int aIndex, const int32_t aValue)
{
    const int ret = sqlite3_bind_int(getPreparedStatement(), aIndex, aValue);
    check(ret);
}

// Bind a 32bits unsigned int value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
void Statement::bind(const int aIndex, const uint32_t aValue)
{
    const int ret = sqlite3_bind_int64(getPreparedStatement(), aIndex, aValue);
    check(ret);
}

// Bind a 64bits int value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
void Statement::bind(const int aIndex, const int64_t aValue)
{
    const int ret = sqlite3_bind_int64(getPreparedStatement(), aIndex, aValue);
    check(ret);
}

// Bind a double (64bits float) value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
void Statement::bind(const int aIndex, const double aValue)
{
    const int ret = sqlite3_bind_double(getPreparedStatement(), aIndex, aValue);
    check(ret);
}

// Bind a string value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
void Statement::bind(const int aIndex, const std::string& aValue)
{
    const int ret = sqlite3_bind_text(getPreparedStatement(), aIndex, aValue.c_str(),
                                      static_cast<int>(aValue.size()), SQLITE_TRANSIENT);
    check(ret);
}

// Bind a text value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
void Statement::bind(const int aIndex, const char* apValue)
{
    const int ret = sqlite3_bind_text(getPreparedStatement(), aIndex, apValue, -1, SQLITE_TRANSIENT);
    check(ret);
}

// Bind a binary blob value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
void Statement::bind(const int aIndex, const void* apValue, const int aSize)
{
    const int ret = sqlite3_bind_blob(getPreparedStatement(), aIndex, apValue, aSize, SQLITE_TRANSIENT);
    check(ret);
}

// Bind a string value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
void Statement::bindNoCopy(const int aIndex, const std::string& aValue)
{
    const int ret = sqlite3_bind_text(getPreparedStatement(), aIndex, aValue.c_str(),
                                      static_cast<int>(aValue.size()), SQLITE_STATIC);
    check(ret);
}

// Bind a text value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
void Statement::bindNoCopy(const int aIndex, const char* apValue)
{
    const int ret = sqlite3_bind_text(getPreparedStatement(), aIndex, apValue, -1, SQLITE_STATIC);
    check(ret);
}

// Bind a binary blob value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
void Statement::bindNoCopy(const int aIndex, const void* apValue, const int aSize)
{
    const int ret = sqlite3_bind_blob(getPreparedStatement(), aIndex, apValue, aSize, SQLITE_STATIC);
    check(ret);
}

// Bind a NULL value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
void Statement::bind(const int aIndex)
{
    const int ret = sqlite3_bind_null(getPreparedStatement(), aIndex);
    check(ret);
}


// Execute a step of the query to fetch one row of results
bool Statement::executeStep()
{
    const int ret = tryExecuteStep();
    if ((SQLITE_ROW != ret) && (SQLITE_DONE != ret)) // on row or no (more) row ready, else it's a problem
    {
        if (ret == sqlite3_errcode(mpSQLite))
        {
            throw SQLite::Exception(mpSQLite, ret);
        }
        else
        {
            throw SQLite::Exception("Statement needs to be reseted", ret);
        }
    }

    return mbHasRow; // true only if one row is accessible by getColumn(N)
}

// Execute a one-step query with no expected result, and return the number of changes.
int Statement::exec()
{
    const int ret = tryExecuteStep();
    if (SQLITE_DONE != ret) // the statement has finished executing successfully
    {
        if (SQLITE_ROW == ret)
        {
            throw SQLite::Exception("exec() does not expect results. Use executeStep.");
        }
        else if (ret == sqlite3_errcode(mpSQLite))
        {
            throw SQLite::Exception(mpSQLite, ret);
        }
        else
        {
            throw SQLite::Exception("Statement needs to be reseted", ret);
        }
    }

    // Return the number of rows modified by those SQL statements (INSERT, UPDATE or DELETE)
    return sqlite3_changes(mpSQLite);
}

int Statement::tryExecuteStep() noexcept
{
    if (mbDone)
    {
        return SQLITE_MISUSE; // Statement needs to be reseted !
    }

    const int ret = sqlite3_step(mpPreparedStatement.get());
    if (SQLITE_ROW == ret) // one row is ready : call getColumn(N) to access it
    {
        mbHasRow = true;
    }
    else
    {
        mbHasRow = false;
        mbDone = SQLITE_DONE == ret; // check if the query has finished executing
    }
    return ret;
}


// Return a copy of the column data specified by its index starting at 0
// (use the Column copy-constructor)
Column Statement::getColumn(const int aIndex) const
{
    checkRow();
    checkIndex(aIndex);

    // Share the Statement Object handle with the new Column created
    return Column(mpPreparedStatement, aIndex);
}

// Return a copy of the column data specified by its column name starting at 0
// (use the Column copy-constructor)
Column Statement::getColumn(const char* apName) const
{
    checkRow();
    const int index = getColumnIndex(apName);

    // Share the Statement Object handle with the new Column created
    return Column(mpPreparedStatement, index);
}

// Test if the column is NULL
bool Statement::isColumnNull(const int aIndex) const
{
    checkRow();
    checkIndex(aIndex);
    return (SQLITE_NULL == sqlite3_column_type(getPreparedStatement(), aIndex));
}

bool Statement::isColumnNull(const char* apName) const
{
    checkRow();
    const int index = getColumnIndex(apName);
    return (SQLITE_NULL == sqlite3_column_type(getPreparedStatement(), index));
}

// Return the named assigned to the specified result column (potentially aliased)
const char* Statement::getColumnName(const int aIndex) const
{
    checkIndex(aIndex);
    return sqlite3_column_name(getPreparedStatement(), aIndex);
}

#ifdef SQLITE_ENABLE_COLUMN_METADATA
// Return the named assigned to the specified result column (potentially aliased)
const char* Statement::getColumnOriginName(const int aIndex) const
{
    checkIndex(aIndex);
    return sqlite3_column_origin_name(getPreparedStatement(), aIndex);
}
#endif

// Return the index of the specified (potentially aliased) column name
int Statement::getColumnIndex(const char* apName) const
{
    // Build the map of column index by name on first call
    if (mColumnNames.empty())
    {
        for (int i = 0; i < mColumnCount; ++i)
        {
            const char* pName = sqlite3_column_name(getPreparedStatement(), i);
            mColumnNames[pName] = i;
        }
    }

    const auto iIndex = mColumnNames.find(apName);
    if (iIndex == mColumnNames.end())
    {
        throw SQLite::Exception("Unknown column name.");
    }

    return iIndex->second;
}

const char* Statement::getColumnDeclaredType(const int aIndex) const
{
    checkIndex(aIndex);
    const char * result = sqlite3_column_decltype(getPreparedStatement(), aIndex);
    if (!result)
    {
        throw SQLite::Exception("Could not determine declared column type.");
    }
    else
    {
        return result;
    }
}

// Get number of rows modified by last INSERT, UPDATE or DELETE statement (not DROP table).
int Statement::getChanges() const noexcept
{
    return sqlite3_changes(mpSQLite);
}

int Statement::getBindParameterCount() const noexcept
{
    return sqlite3_bind_parameter_count(mpPreparedStatement.get());
}

// Return the numeric result code for the most recent failed API call (if any).
int Statement::getErrorCode() const noexcept
{
    return sqlite3_errcode(mpSQLite);
}

// Return the extended numeric result code for the most recent failed API call (if any).
int Statement::getExtendedErrorCode() const noexcept
{
    return sqlite3_extended_errcode(mpSQLite);
}

// Return UTF-8 encoded English language explanation of the most recent failed API call (if any).
const char* Statement::getErrorMsg() const noexcept
{
    return sqlite3_errmsg(mpSQLite);
}


// Return a UTF-8 string containing the SQL text of prepared statement with bound parameters expanded.
std::string Statement::getExpandedSQL() const {
    #ifdef SQLITECPP_DISABLE_SQLITE3_EXPANDED_SQL
    throw SQLite::Exception("this version of SQLiteCpp does not support expanded SQL");
    #else
    char* expanded = sqlite3_expanded_sql(getPreparedStatement());
    std::string expandedString(expanded);
    sqlite3_free(expanded);
    return expandedString;
    #endif
}


// Prepare SQLite statement object and return shared pointer to this object
Statement::TStatementPtr Statement::prepareStatement()
{
    sqlite3_stmt* statement;
    const int ret = sqlite3_prepare_v2(mpSQLite, mQuery.c_str(), static_cast<int>(mQuery.size()), &statement, nullptr);
    if (SQLITE_OK != ret)
    {
        throw SQLite::Exception(mpSQLite, ret);
    }
    return Statement::TStatementPtr(statement, [](sqlite3_stmt* stmt)
        {
            sqlite3_finalize(stmt);
        });
}

// Return prepered statement object or throw
sqlite3_stmt* Statement::getPreparedStatement() const
{
    sqlite3_stmt* ret = mpPreparedStatement.get();
    if (ret)
    {
        return ret;
    }
    throw SQLite::Exception("Statement was not prepared.");
}

}  // namespace SQLite

1	/**
2	* @file Statement.cpp
3	* @ingroup SQLiteCpp
4	* @brief A prepared SQLite Statement is a compiled SQL query ready to be executed, pointing to a row of result.
5	*
6	* Copyright (c) 2012-2025 Sebastien Rombauts (sebastien.rombauts@gmail.com)
7	*
8	* Distributed under the MIT License (MIT) (See accompanying file LICENSE.txt
9	* or copy at http://opensource.org/licenses/MIT)
10	*/
11	#include <SQLiteCpp/Statement.h>
12
13	#include <SQLiteCpp/Database.h>
14	#include <SQLiteCpp/Column.h>
15	#include <SQLiteCpp/Assertion.h>
16	#include <SQLiteCpp/Exception.h>
17
18	#include <sqlite3.h>
19
20	// check for if SQLite3 version >= 3.14.0
21	#if SQLITE_VERSION_NUMBER < 3014000
22	#warning "SQLite3 version is less than 3.14.0, so expanded SQL is not available"
23	#warning "To use expanded SQL, please upgrade to SQLite3 version 3.14.0 or later"
24	#warning "If you want to disable this warning, define SQLITECPP_DISABLE_SQLITE3_EXPANDED_SQL"
25	#warning "or use the specific project option in your build system"
26	#warning "disabling expanded SQL support"
27	#define SQLITECPP_DISABLE_SQLITE3_EXPANDED_SQL
28	#endif
29
30
31	namespace SQLite
32	{
33
34	Statement::Statement(const Database& aDatabase, const char* apQuery) :	102✔
35	mQuery(apQuery),
36	mpSQLite(aDatabase.getHandle()),	102✔
37	mpPreparedStatement(prepareStatement()) // prepare the SQL query (needs Database friendship)	204✔
38	{
39	mColumnCount = sqlite3_column_count(mpPreparedStatement.get());	101✔
40	}	101✔
41
42	Statement::Statement(Statement&& aStatement) noexcept :	2✔
43	mQuery(std::move(aStatement.mQuery)),	2✔
44	mpSQLite(aStatement.mpSQLite),	2✔
45	mpPreparedStatement(std::move(aStatement.mpPreparedStatement)),	2✔
46	mColumnCount(aStatement.mColumnCount),	2✔
47	mbHasRow(aStatement.mbHasRow),	2✔
48	mbDone(aStatement.mbDone),	2✔
49	mColumnNames(std::move(aStatement.mColumnNames))	14✔
50	{
51	aStatement.mpSQLite = nullptr;	2✔
52	aStatement.mColumnCount = 0;	2✔
53	aStatement.mbHasRow = false;	2✔
54	aStatement.mbDone = false;	2✔
55	}	2✔
56
57	// Reset the statement to make it ready for a new execution (see also #clearBindings() below)
58	void Statement::reset()	35✔
59	{
60	const int ret = tryReset();	35✔
61	check(ret);	35✔
62	}	34✔
63
64	int Statement::tryReset() noexcept	36✔
65	{
66	mbHasRow = false;	36✔
67	mbDone = false;	36✔
68	return sqlite3_reset(mpPreparedStatement.get());	36✔
69	}
70
71	// Clears away all the bindings of a prepared statement (can be associated with #reset() above).
72	void Statement::clearBindings()	4✔
73	{
74	const int ret = sqlite3_clear_bindings(getPreparedStatement());	4✔
75	check(ret);	4✔
76	}	4✔
77
78	int Statement::getIndex(const char * const apName) const	33✔
79	{
80	return sqlite3_bind_parameter_index(getPreparedStatement(), apName);	33✔
81	}
82
83	// Bind an 32bits int value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
84	void Statement::bind(const int aIndex, const int32_t aValue)	25✔
85	{
86	const int ret = sqlite3_bind_int(getPreparedStatement(), aIndex, aValue);	25✔
87	check(ret);	25✔
88	}	19✔
89
90	// Bind a 32bits unsigned int value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
91	void Statement::bind(const int aIndex, const uint32_t aValue)	3✔
92	{
93	const int ret = sqlite3_bind_int64(getPreparedStatement(), aIndex, aValue);	3✔
94	check(ret);	3✔
95	}	3✔
96
97	// Bind a 64bits int value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
98	void Statement::bind(const int aIndex, const int64_t aValue)	8✔
99	{
100	const int ret = sqlite3_bind_int64(getPreparedStatement(), aIndex, aValue);	8✔
101	check(ret);	8✔
102	}	8✔
103
104	// Bind a double (64bits float) value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
105	void Statement::bind(const int aIndex, const double aValue)	6✔
106	{
107	const int ret = sqlite3_bind_double(getPreparedStatement(), aIndex, aValue);	6✔
108	check(ret);	6✔
109	}	6✔
110
111	// Bind a string value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
112	void Statement::bind(const int aIndex, const std::string& aValue)	8✔
113	{
114	const int ret = sqlite3_bind_text(getPreparedStatement(), aIndex, aValue.c_str(),	8✔
115	static_cast<int>(aValue.size()), SQLITE_TRANSIENT);	16✔
116	check(ret);	8✔
117	}	8✔
118
119	// Bind a text value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
120	void Statement::bind(const int aIndex, const char* apValue)	41✔
121	{
122	const int ret = sqlite3_bind_text(getPreparedStatement(), aIndex, apValue, -1, SQLITE_TRANSIENT);	41✔
123	check(ret);	41✔
124	}	40✔
125
126	// Bind a binary blob value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
127	void Statement::bind(const int aIndex, const void* apValue, const int aSize)	6✔
128	{
129	const int ret = sqlite3_bind_blob(getPreparedStatement(), aIndex, apValue, aSize, SQLITE_TRANSIENT);	6✔
130	check(ret);	6✔
131	}	6✔
132
133	// Bind a string value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
134	void Statement::bindNoCopy(const int aIndex, const std::string& aValue)	3✔
135	{
136	const int ret = sqlite3_bind_text(getPreparedStatement(), aIndex, aValue.c_str(),	3✔
137	static_cast<int>(aValue.size()), SQLITE_STATIC);	6✔
138	check(ret);	3✔
139	}	3✔
140
141	// Bind a text value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
142	void Statement::bindNoCopy(const int aIndex, const char* apValue)	3✔
143	{
144	const int ret = sqlite3_bind_text(getPreparedStatement(), aIndex, apValue, -1, SQLITE_STATIC);	3✔
145	check(ret);	3✔
146	}	3✔
147
148	// Bind a binary blob value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
149	void Statement::bindNoCopy(const int aIndex, const void* apValue, const int aSize)	3✔
150	{
151	const int ret = sqlite3_bind_blob(getPreparedStatement(), aIndex, apValue, aSize, SQLITE_STATIC);	3✔
152	check(ret);	3✔
153	}	3✔
154
155	// Bind a NULL value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
156	void Statement::bind(const int aIndex)	4✔
157	{
158	const int ret = sqlite3_bind_null(getPreparedStatement(), aIndex);	4✔
159	check(ret);	4✔
160	}	3✔
161
162
163	// Execute a step of the query to fetch one row of results
164	bool Statement::executeStep()	156✔
165	{
166	const int ret = tryExecuteStep();	156✔
167	if ((SQLITE_ROW != ret) && (SQLITE_DONE != ret)) // on row or no (more) row ready, else it's a problem	156✔
168	{
169	if (ret == sqlite3_errcode(mpSQLite))	2✔
170	{
171	throw SQLite::Exception(mpSQLite, ret);	1✔
172	}
173	else
174	{
175	throw SQLite::Exception("Statement needs to be reseted", ret);	1✔
176	}
177	}
178
179	return mbHasRow; // true only if one row is accessible by getColumn(N)	154✔
180	}
181
182	// Execute a one-step query with no expected result, and return the number of changes.
183	int Statement::exec()	34✔
184	{
185	const int ret = tryExecuteStep();	34✔
186	if (SQLITE_DONE != ret) // the statement has finished executing successfully	34✔
187	{
188	if (SQLITE_ROW == ret)	5✔
189	{
190	throw SQLite::Exception("exec() does not expect results. Use executeStep.");	1✔
191	}
192	else if (ret == sqlite3_errcode(mpSQLite))	4✔
193	{
194	throw SQLite::Exception(mpSQLite, ret);	1✔
195	}
196	else
197	{
198	throw SQLite::Exception("Statement needs to be reseted", ret);	3✔
199	}
200	}
201
202	// Return the number of rows modified by those SQL statements (INSERT, UPDATE or DELETE)
203	return sqlite3_changes(mpSQLite);	29✔
204	}
205
206	int Statement::tryExecuteStep() noexcept	193✔
207	{
208	if (mbDone)	193✔
209	{
210	return SQLITE_MISUSE; // Statement needs to be reseted !	4✔
211	}
212
213	const int ret = sqlite3_step(mpPreparedStatement.get());	189✔
214	if (SQLITE_ROW == ret) // one row is ready : call getColumn(N) to access it	189✔
215	{
216	mbHasRow = true;	133✔
217	}
218	else
219	{
220	mbHasRow = false;	56✔
221	mbDone = SQLITE_DONE == ret; // check if the query has finished executing	56✔
222	}
223	return ret;	189✔
224	}
225
226
227	// Return a copy of the column data specified by its index starting at 0
228	// (use the Column copy-constructor)
229	Column Statement::getColumn(const int aIndex) const	405✔
230	{
231	checkRow();	405✔
232	checkIndex(aIndex);	397✔
233
234	// Share the Statement Object handle with the new Column created
235	return Column(mpPreparedStatement, aIndex);	397✔
236	}
237
238	// Return a copy of the column data specified by its column name starting at 0
239	// (use the Column copy-constructor)
240	Column Statement::getColumn(const char* apName) const	17✔
241	{
242	checkRow();	17✔
243	const int index = getColumnIndex(apName);	17✔
244
245	// Share the Statement Object handle with the new Column created
246	return Column(mpPreparedStatement, index);	15✔
247	}
248
249	// Test if the column is NULL
250	bool Statement::isColumnNull(const int aIndex) const	36✔
251	{
252	checkRow();	36✔
253	checkIndex(aIndex);	31✔
254	return (SQLITE_NULL == sqlite3_column_type(getPreparedStatement(), aIndex));	19✔
255	}
256
257	bool Statement::isColumnNull(const char* apName) const	15✔
258	{
259	checkRow();	15✔
260	const int index = getColumnIndex(apName);	15✔
261	return (SQLITE_NULL == sqlite3_column_type(getPreparedStatement(), index));	11✔
262	}
263
264	// Return the named assigned to the specified result column (potentially aliased)
265	const char* Statement::getColumnName(const int aIndex) const	5✔
266	{
267	checkIndex(aIndex);	5✔
268	return sqlite3_column_name(getPreparedStatement(), aIndex);	5✔
269	}
270
271	#ifdef SQLITE_ENABLE_COLUMN_METADATA
272	// Return the named assigned to the specified result column (potentially aliased)
273	const char* Statement::getColumnOriginName(const int aIndex) const	5✔
274	{
275	checkIndex(aIndex);	5✔
276	return sqlite3_column_origin_name(getPreparedStatement(), aIndex);	5✔
277	}
278	#endif
279
280	// Return the index of the specified (potentially aliased) column name
281	int Statement::getColumnIndex(const char* apName) const	34✔
282	{
283	// Build the map of column index by name on first call
284	if (mColumnNames.empty())	34✔
285	{
286	for (int i = 0; i < mColumnCount; ++i)	17✔
287	{
288	const char* pName = sqlite3_column_name(getPreparedStatement(), i);	12✔
289	mColumnNames[pName] = i;	12✔
290	}
291	}
292
293	const auto iIndex = mColumnNames.find(apName);	34✔
294	if (iIndex == mColumnNames.end())	34✔
295	{
296	throw SQLite::Exception("Unknown column name.");	7✔
297	}
298
299	return iIndex->second;	27✔
300	}
301
302	const char* Statement::getColumnDeclaredType(const int aIndex) const	6✔
303	{
304	checkIndex(aIndex);	6✔
305	const char * result = sqlite3_column_decltype(getPreparedStatement(), aIndex);	5✔
306	if (!result)	5✔
307	{
308	throw SQLite::Exception("Could not determine declared column type.");	2✔
309	}
310	else
311	{
312	return result;	3✔
313	}
314	}
315
316	// Get number of rows modified by last INSERT, UPDATE or DELETE statement (not DROP table).
317	int Statement::getChanges() const noexcept	×
318	{
319	return sqlite3_changes(mpSQLite);	×
320	}
321
322	int Statement::getBindParameterCount() const noexcept	3✔
323	{
324	return sqlite3_bind_parameter_count(mpPreparedStatement.get());	3✔
325	}
326
327	// Return the numeric result code for the most recent failed API call (if any).
328	int Statement::getErrorCode() const noexcept	2✔
329	{
330	return sqlite3_errcode(mpSQLite);	2✔
331	}
332
333	// Return the extended numeric result code for the most recent failed API call (if any).
334	int Statement::getExtendedErrorCode() const noexcept	2✔
335	{
336	return sqlite3_extended_errcode(mpSQLite);	2✔
337	}
338
339	// Return UTF-8 encoded English language explanation of the most recent failed API call (if any).
340	const char* Statement::getErrorMsg() const noexcept	1✔
341	{
342	return sqlite3_errmsg(mpSQLite);	1✔
343	}
344
345
346	// Return a UTF-8 string containing the SQL text of prepared statement with bound parameters expanded.
347	std::string Statement::getExpandedSQL() const {	1✔
348	#ifdef SQLITECPP_DISABLE_SQLITE3_EXPANDED_SQL
349	throw SQLite::Exception("this version of SQLiteCpp does not support expanded SQL");
350	#else
351	char* expanded = sqlite3_expanded_sql(getPreparedStatement());	1✔
352	std::string expandedString(expanded);	1✔
353	sqlite3_free(expanded);	1✔
354	return expandedString;	1✔
355	#endif
356	}
357
358
359	// Prepare SQLite statement object and return shared pointer to this object
360	Statement::TStatementPtr Statement::prepareStatement()	102✔
361	{
362	sqlite3_stmt* statement;
363	const int ret = sqlite3_prepare_v2(mpSQLite, mQuery.c_str(), static_cast<int>(mQuery.size()), &statement, nullptr);	102✔
364	if (SQLITE_OK != ret)	102✔
365	{
366	throw SQLite::Exception(mpSQLite, ret);	1✔
367	}
368	return Statement::TStatementPtr(statement, [](sqlite3_stmt* stmt)	101✔
369	{
370	sqlite3_finalize(stmt);	101✔
371	});	202✔
372	}
373
374	// Return prepered statement object or throw
375	sqlite3_stmt* Statement::getPreparedStatement() const	205✔
376	{
377	sqlite3_stmt* ret = mpPreparedStatement.get();	205✔
378	if (ret)	205✔
379	{
380	return ret;	410✔
381	}
382	throw SQLite::Exception("Statement was not prepared.");	×
383	}
384
385	} // namespace SQLite

SRombauts / SQLiteCpp / #613698365

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