From 63b2ca0dbdae190941d60a55c9cff99d4a75a0e1 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Mon, 31 May 2021 13:18:17 +0100
Subject: Initial commit of prepstmt, selects, record sets

This is full of holes, but all the basics are covered.
---
 lib/output/pq/pqStmt.h | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 lib/output/pq/pqStmt.h

(limited to 'lib/output/pq/pqStmt.h')

diff --git a/lib/output/pq/pqStmt.h b/lib/output/pq/pqStmt.h
new file mode 100644
index 0000000..b806617
--- /dev/null
+++ b/lib/output/pq/pqStmt.h
@@ -0,0 +1,37 @@
+#ifndef MYGRATE_OUTPUT_PQ_PQSTMT_H
+#define MYGRATE_OUTPUT_PQ_PQSTMT_H
+
+#include "dbConn.h"
+#include "dbRecordSet.h"
+#include "dbTypes.h"
+#include <cstddef>
+#include <initializer_list>
+#include <libpq-fe.h>
+#include <memory>
+#include <string>
+
+namespace MyGrate::Output::Pq {
+	class PqConn;
+
+	using ResPtr = std::unique_ptr<PGresult, decltype(&PQclear)>;
+
+	class PqPrepStmt : public DbPrepStmt {
+	public:
+		PqPrepStmt(const char * const q, std::size_t n, PqConn * c);
+
+		void execute(const std::initializer_list<DbValue> & vs) override;
+
+		std::size_t rows() const override;
+
+		RecordSetPtr recordSet() override;
+
+	private:
+		static std::string prepareAsNeeded(const char * const q, std::size_t n, PqConn * c);
+
+		PGconn * conn;
+		std::string name;
+		ResPtr res;
+	};
+}
+
+#endif
-- 
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