From 15c1e5566f7ad8448985ca6e52805ceb4ec389a8 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Mon, 24 May 2021 01:01:30 +0100
Subject: Basic support for queries with bound parameters

Bit of a reshuffle to make the types not DB specific, add some basic tests over query
execution, no selects yet and no validation anything is actually right.
---
 lib/mysql_types.h | 40 ++++++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

(limited to 'lib/mysql_types.h')

diff --git a/lib/mysql_types.h b/lib/mysql_types.h
index af45b4f..4f5355c 100644
--- a/lib/mysql_types.h
+++ b/lib/mysql_types.h
@@ -2,34 +2,19 @@
 #define MYGRATE_MYSQL_TYPES_H
 
 #include "bitset.h"
+#include "dbTypes.h"
 #include <cstddef>
 #include <cstdint>
 #include <ctime>
 #include <mysql.h>
-#include <span>
 #include <string_view>
-#include <variant>
-
-struct timespec;
 
 namespace MyGrate {
 	class RawDataReader;
 	namespace MySQL {
-		struct Date {
-			uint16_t year;
-			uint8_t month;
-			uint8_t day;
-		};
-		struct Time {
-			uint8_t hour;
-			uint8_t minute;
-			uint8_t second;
-		};
-		struct DateTime : public Date, public Time {
-		};
-		using Blob = std::span<const std::byte>;
 
 		template<enum_field_types, bool /*unsigned*/ = false> struct Type;
+		template<typename T> struct CType;
 
 #define DEFINE_BASE_TYPE(ET, CT, MDS, SIGN) \
 	template<> struct Type<ET, SIGN> { \
@@ -37,6 +22,11 @@ namespace MyGrate {
 		constexpr static size_t md_bytes {MDS}; \
 		static C read(RawDataReader & md, RawDataReader & data); \
 	}
+#define DEFINE_CTYPE(ET, CT) \
+	template<> struct CType<CT> { \
+		using C = CT; \
+		static constexpr enum_field_types type {ET}; \
+	}
 #define DEFINE_TYPE(ET, CT, MDS) DEFINE_BASE_TYPE(ET, CT, MDS, false)
 #define DEFINE_ITYPE(ET, BCT, MDS) \
 	DEFINE_BASE_TYPE(ET, BCT, MDS, false); \
@@ -74,12 +64,22 @@ namespace MyGrate {
 		DEFINE_TYPE(MYSQL_TYPE_JSON, std::string_view, 2);
 		DEFINE_TYPE(MYSQL_TYPE_GEOMETRY, Blob, 1);
 
+		DEFINE_CTYPE(MYSQL_TYPE_DOUBLE, double);
+		DEFINE_CTYPE(MYSQL_TYPE_FLOAT, float);
+		DEFINE_CTYPE(MYSQL_TYPE_SHORT, int16_t);
+		DEFINE_CTYPE(MYSQL_TYPE_LONG, int32_t);
+		DEFINE_CTYPE(MYSQL_TYPE_LONGLONG, int64_t);
+		DEFINE_CTYPE(MYSQL_TYPE_TINY, int8_t);
+		DEFINE_CTYPE(MYSQL_TYPE_SHORT, uint16_t);
+		DEFINE_CTYPE(MYSQL_TYPE_LONG, uint32_t);
+		DEFINE_CTYPE(MYSQL_TYPE_LONGLONG, uint64_t);
+		DEFINE_CTYPE(MYSQL_TYPE_TINY, uint8_t);
+		DEFINE_CTYPE(MYSQL_TYPE_STRING, std::string_view);
+		DEFINE_CTYPE(MYSQL_TYPE_BLOB, Blob);
+
 #undef DEFINE_ITYPE
 #undef DEFINE_USTYPE
 #undef DEFINE_TYPE
-
-		using FieldValue = std::variant<std::nullptr_t, double, float, int8_t, uint8_t, int16_t, uint16_t, int32_t,
-				uint32_t, int64_t, uint64_t, timespec, Date, Time, DateTime, std::string_view, BitSet, Blob>;
 	}
 }
 
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