Initial commit of prepstmt, selects, record sets

This is full of holes, but all the basics are covered.

1 files changed, 35 insertions, 0 deletions

diff --git a/lib/input/mysqlStmt.cpp b/lib/input/mysqlStmt.cpp
new file mode 100644
index 0000000..08d1303
--- /dev/null
+++ b/lib/input/mysqlStmt.cpp
@@ -0,0 +1,35 @@
+#include "mysqlStmt.h"
+#include "mysqlBindings.h"
+#include "mysqlRecordSet.h"
+#include <cstring>
+#include <helpers.h>
+#include <stdexcept>
+#include <utility>
+#include <vector>
+
+namespace MyGrate::Input {
+	MySQLPrepStmt::MySQLPrepStmt(const char * const q, MYSQL * c) : stmt {mysql_stmt_init(c), &mysql_stmt_close}
+	{
+		verify<std::runtime_error>(!mysql_stmt_prepare(stmt.get(), q, strlen(q)), q);
+	}
+
+	void
+	MySQLPrepStmt::execute(const std::initializer_list<DbValue> & vs)
+	{
+		Bindings b {vs};
+		verify<std::runtime_error>(!mysql_stmt_bind_param(stmt.get(), b.binds.data()), "Param count mismatch");
+		verify<std::runtime_error>(!mysql_stmt_execute(stmt.get()), "Prepared statement execute");
+	}
+
+	std::size_t
+	MySQLPrepStmt::rows() const
+	{
+		return mysql_stmt_affected_rows(stmt.get());
+	}
+
+	RecordSetPtr
+	MySQLPrepStmt::recordSet()
+	{
+		return std::make_unique<MySQLRecordSet>(std::move(stmt));
+	}
+}