增加查询返回单值api

mensong · Nov 8, 2023 · 3a67568 · 3a67568
1 parent efbf91b
commit 3a67568
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Showing 2 changed files with 10 additions and 7 deletions.
diff --git a/ConsoleApplicationTest/ConsoleApplicationTest.cpp b/ConsoleApplicationTest/ConsoleApplicationTest.cpp
@@ -7,7 +7,7 @@
 int main()
 {
     Database* db = SQLit3::Ins().CreateDatabase();
-	bool b = db->Open("F:\\1.db", "12345678", Database::SQLIT3_OPEN_DEFAULT);
+	bool b = db->Open("F:\\1.db", "", Database::SQLIT3_OPEN_DEFAULT);
     if (!b)
     {
         std::cout << "打开数据库失败"<< db->GetLastErrorCode()
@@ -17,6 +17,9 @@ int main()
 	b = db->Execute("select 1");
 	//b = db->ResetPassword("12345678");
 
+	__int64 maxId = 0;
+	b = db->QueryInt64("SELECT MAX(id) FROM Url2FileCache", &maxId);
+
     b = db->Execute("CREATE TABLE IF NOT EXISTS \"t1\" (\"a\" TEXT,\"b\" integer,\"c\" real);");
     b = db->Execute("INSERT INTO \"main\".\"t1\" (\"a\", \"b\", \"c\") VALUES ('abc', 1, 2.0);");
     __int64 changedRow = db->GetChangeRowCount();

diff --git a/SQLit3/SQLit3.cpp b/SQLit3/SQLit3.cpp
@@ -296,7 +296,7 @@ class DatabaseImp
 			return false;
 
 		SqlStatement::ReadStatus status = stmt->Next();
-		if (status != SqlStatement::SQLIT3_READ_DONE || 
+		if (status != SqlStatement::SQLIT3_READ_DONE && 
 			status != SqlStatement::SQLIT3_READ_HAS_ROW)
 		{
 			StatementFinalize(stmt);
@@ -321,7 +321,7 @@ class DatabaseImp
 			return false;
 
 		SqlStatement::ReadStatus status = stmt->Next();
-		if (status != SqlStatement::SQLIT3_READ_DONE ||
+		if (status != SqlStatement::SQLIT3_READ_DONE &&
 			status != SqlStatement::SQLIT3_READ_HAS_ROW)
 		{
 			StatementFinalize(stmt);
@@ -346,7 +346,7 @@ class DatabaseImp
 			return false;
 
 		SqlStatement::ReadStatus status = stmt->Next();
-		if (status != SqlStatement::SQLIT3_READ_DONE ||
+		if (status != SqlStatement::SQLIT3_READ_DONE &&
 			status != SqlStatement::SQLIT3_READ_HAS_ROW)
 		{
 			StatementFinalize(stmt);
@@ -371,7 +371,7 @@ class DatabaseImp
 			return false;
 
 		SqlStatement::ReadStatus status = stmt->Next();
-		if (status != SqlStatement::SQLIT3_READ_DONE ||
+		if (status != SqlStatement::SQLIT3_READ_DONE &&
 			status != SqlStatement::SQLIT3_READ_HAS_ROW)
 		{
 			StatementFinalize(stmt);
@@ -405,7 +405,7 @@ class DatabaseImp
 			return false;
 
 		SqlStatement::ReadStatus status = stmt->Next();
-		if (status != SqlStatement::SQLIT3_READ_DONE ||
+		if (status != SqlStatement::SQLIT3_READ_DONE &&
 			status != SqlStatement::SQLIT3_READ_HAS_ROW)
 		{
 			StatementFinalize(stmt);
@@ -439,7 +439,7 @@ class DatabaseImp
 			return false;
 
 		SqlStatement::ReadStatus status = stmt->Next();
-		if (status != SqlStatement::SQLIT3_READ_DONE ||
+		if (status != SqlStatement::SQLIT3_READ_DONE &&
 			status != SqlStatement::SQLIT3_READ_HAS_ROW)
 		{
 			StatementFinalize(stmt);