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-rw-r--r--libmysqlpp/column.cpp112
1 files changed, 112 insertions, 0 deletions
diff --git a/libmysqlpp/column.cpp b/libmysqlpp/column.cpp
new file mode 100644
index 0000000..cd1d811
--- /dev/null
+++ b/libmysqlpp/column.cpp
@@ -0,0 +1,112 @@
+#include "column.h"
+#include "selectcommand.h"
+#include "error.h"
+#include <string.h>
+
+MySQL::ColumnBase::ColumnBase(const char * name, unsigned int i) :
+ DB::Column(name, i)
+{
+}
+
+bool
+MySQL::ColumnBase::isNull() const
+{
+ return is_null;
+}
+
+void
+MySQL::ColumnBase::rebind(DB::Command *, unsigned int) const
+{
+ throw Error("Not supported");
+}
+
+MySQL::StringColumn::StringColumn(const char * name, unsigned int field, MYSQL_BIND * b, unsigned int len) :
+ ColumnBase(name, field),
+ value(new char[len])
+{
+ b->is_null = &is_null;
+ b->buffer_type = MYSQL_TYPE_STRING;
+ b->is_unsigned = 0;
+ b->buffer = value;
+ b->buffer_length = len;
+ b->length = &length;
+}
+MySQL::StringColumn::~StringColumn()
+{
+ delete[] value;
+}
+void
+MySQL::StringColumn::apply(DB::HandleField & h) const
+{
+ if (is_null) {
+ h.null();
+ }
+ else {
+ h.string(value, length);
+ }
+}
+MySQL::NullColumn::NullColumn(const char * name, unsigned int field, MYSQL_BIND * b) :
+ ColumnBase(name, field)
+{
+ b->is_null = &is_null;
+ b->buffer_type = MYSQL_TYPE_NULL;
+ b->buffer = NULL;
+ b->buffer_length = 0;
+}
+void
+MySQL::NullColumn::apply(DB::HandleField & h) const
+{
+ h.null();
+}
+
+namespace MySQL {
+ template <class T, enum_field_types MT> Column<T, MT>::Column(const char * name, unsigned int field, MYSQL_BIND * b) :
+ ColumnBase(name, field)
+ {
+ b->is_null = &is_null;
+ b->buffer_type = MT;
+ b->is_unsigned = 0;
+ b->buffer = &value;
+ b->buffer_length = sizeof(T);
+ }
+
+ template <> void Column<int64_t, MYSQL_TYPE_LONGLONG>::apply(DB::HandleField & h) const
+ {
+ if (is_null) {
+ h.null();
+ }
+ else {
+ h.integer(value);
+ }
+ }
+ template <> void Column<double, MYSQL_TYPE_DOUBLE>::apply(DB::HandleField & h) const
+ {
+ if (is_null) {
+ h.null();
+ }
+ else {
+ h.floatingpoint(value);
+ }
+ }
+ template <> void Column<MYSQL_TIME, MYSQL_TYPE_DATETIME>::apply(DB::HandleField & h) const
+ {
+ if (is_null) {
+ 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);
+ }
+ }
+
+ template class Column<int64_t, MYSQL_TYPE_LONGLONG>;
+ template class Column<double, MYSQL_TYPE_DOUBLE>;
+ template class Column<MYSQL_TIME, MYSQL_TYPE_DATETIME>;
+}