From 274b757c0626abcda3a0414451fc4d1b2bc766f9 Mon Sep 17 00:00:00 2001
From: randomdan <randomdan@localhost>
Date: Mon, 3 Mar 2014 20:57:27 +0000
Subject: Adds native support for time_duration as a variable type
 Pass/retrieve boost::posix_time ptime and time_duration into/out of the db
 tier

---
 libmysqlpp/column.cpp        | 24 +++++++++++++++---------
 libmysqlpp/command.cpp       | 28 +++++++++++++++++-----------
 libmysqlpp/command.h         |  4 ++--
 libmysqlpp/selectcommand.cpp |  4 +++-
 4 files changed, 37 insertions(+), 23 deletions(-)

diff --git a/libmysqlpp/column.cpp b/libmysqlpp/column.cpp
index cd1d811..7ff365a 100644
--- a/libmysqlpp/column.cpp
+++ b/libmysqlpp/column.cpp
@@ -2,6 +2,7 @@
 #include "selectcommand.h"
 #include "error.h"
 #include <string.h>
+#include <boost/date_time/gregorian/gregorian_types.hpp>
 
 MySQL::ColumnBase::ColumnBase(const char * name, unsigned int i) :
 	DB::Column(name, i)
@@ -94,19 +95,24 @@ namespace MySQL {
 			h.null();
 		}
 		else {
-			struct tm tm;
-			memset(&tm, 0, sizeof(tm));
-			tm.tm_year = value.year - 1900;
-			tm.tm_mon = value.month - 1;
-			tm.tm_mday = value.day;
-			tm.tm_hour = value.hour;
-			tm.tm_min = value.minute;
-			tm.tm_sec = value.second;
-			h.timestamp(tm);
+			h.timestamp(boost::posix_time::ptime(
+						boost::gregorian::date(value.year, value.month, value.day),
+						boost::posix_time::time_duration(value.hour, value.minute, value.second) + boost::posix_time::microseconds(value.second_part)));
+		}
+	}
+	template <> void Column<MYSQL_TIME, MYSQL_TYPE_TIME>::apply(DB::HandleField & h) const
+	{
+		if (is_null) {
+			h.null();
+		}
+		else {
+			h.interval(
+						boost::posix_time::time_duration(value.hour, value.minute, value.second) + boost::posix_time::microseconds(value.second_part));
 		}
 	}
 
 	template class Column<int64_t, MYSQL_TYPE_LONGLONG>;
 	template class Column<double, MYSQL_TYPE_DOUBLE>;
 	template class Column<MYSQL_TIME, MYSQL_TYPE_DATETIME>;
+	template class Column<MYSQL_TIME, MYSQL_TYPE_TIME>;
 }
diff --git a/libmysqlpp/command.cpp b/libmysqlpp/command.cpp
index 3551ca7..04628ec 100644
--- a/libmysqlpp/command.cpp
+++ b/libmysqlpp/command.cpp
@@ -115,25 +115,31 @@ MySQL::Command::bindParamS(unsigned int n, const Glib::ustring & s)
 	binds[n].is_unsigned = 0;
 }
 void
-MySQL::Command::bindParamT(unsigned int n, const tm * v)
+MySQL::Command::bindParamT(unsigned int n, const boost::posix_time::ptime & v)
 {
 	binds[n].buffer_type = MYSQL_TYPE_DATETIME;
 	binds[n].buffer = realloc(binds[n].buffer, sizeof(MYSQL_TIME));
 	MYSQL_TIME & ts = *static_cast<MYSQL_TIME*>(binds[n].buffer);
-	ts.year = v->tm_year + 1900;
-	ts.month = v->tm_mon + 1;
-	ts.day = v->tm_mday;
-	ts.hour = v->tm_hour;
-	ts.minute = v->tm_min;
-	ts.second = v->tm_sec;
+	ts.year = v.date().year();
+	ts.month = v.date().month();
+	ts.day = v.date().day();
+	ts.hour = v.time_of_day().hours();
+	ts.minute = v.time_of_day().minutes();
+	ts.second = v.time_of_day().seconds();
+	ts.second_part = v.time_of_day().total_microseconds() % 1000000;
 	ts.neg = 0;
 }
 void
-MySQL::Command::bindParamT(unsigned int n, time_t v)
+MySQL::Command::bindParamT(unsigned int n, const boost::posix_time::time_duration & v)
 {
-	struct tm t;
-	gmtime_r(&v, &t);
-	bindParamT(n, &t);
+	binds[n].buffer_type = MYSQL_TYPE_TIME;
+	binds[n].buffer = realloc(binds[n].buffer, sizeof(MYSQL_TIME));
+	MYSQL_TIME & ts = *static_cast<MYSQL_TIME*>(binds[n].buffer);
+	ts.hour = v.hours();
+	ts.minute = v.minutes();
+	ts.second = v.seconds();
+	ts.second_part = v.total_microseconds() % 1000000;
+	ts.neg = (v.is_negative() ? 1 : 0);
 }
 void
 MySQL::Command::bindNull(unsigned int n)
diff --git a/libmysqlpp/command.h b/libmysqlpp/command.h
index 19a1323..21a2e09 100644
--- a/libmysqlpp/command.h
+++ b/libmysqlpp/command.h
@@ -24,8 +24,8 @@ namespace MySQL {
 			
 			void bindParamS(unsigned int, const Glib::ustring&);
 			
-			void bindParamT(unsigned int, const tm*);
-			void bindParamT(unsigned int, time_t);
+			void bindParamT(unsigned int, const boost::posix_time::time_duration &);
+			void bindParamT(unsigned int, const boost::posix_time::ptime &);
 			
 			void bindNull(unsigned int);
 		protected:
diff --git a/libmysqlpp/selectcommand.cpp b/libmysqlpp/selectcommand.cpp
index e6bf789..b361fb1 100644
--- a/libmysqlpp/selectcommand.cpp
+++ b/libmysqlpp/selectcommand.cpp
@@ -44,6 +44,9 @@ MySQL::SelectCommand::execute()
 				case MYSQL_TYPE_DATETIME:
 					columns.insert(boost::shared_ptr<ColumnBase>(new Column<MYSQL_TIME, MYSQL_TYPE_DATETIME>(fieldDefs[i].name, i, &fields[i])));
 					break;
+				case MYSQL_TYPE_TIME:
+					columns.insert(boost::shared_ptr<ColumnBase>(new Column<MYSQL_TIME, MYSQL_TYPE_TIME>(fieldDefs[i].name, i, &fields[i])));
+					break;
 				case MYSQL_TYPE_STRING:
 				case MYSQL_TYPE_VAR_STRING:
 					columns.insert(boost::shared_ptr<ColumnBase>(new StringColumn(fieldDefs[i].name, i, &fields[i], fieldDefs[i].length)));
@@ -56,7 +59,6 @@ MySQL::SelectCommand::execute()
 				case MYSQL_TYPE_SET:
 				case MYSQL_TYPE_ENUM:
 				case MYSQL_TYPE_GEOMETRY:
-				case MYSQL_TYPE_TIME:
 				default:
 					mysql_free_result(prepare_meta_result);
 					throw Error("Unexpected type");
-- 
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