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-rw-r--r--libpqpp/pq-binarycolumn.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/libpqpp/pq-binarycolumn.h b/libpqpp/pq-binarycolumn.h
index ed6eae7..e2a8044 100644
--- a/libpqpp/pq-binarycolumn.h
+++ b/libpqpp/pq-binarycolumn.h
@@ -6,8 +6,10 @@
namespace DB {
class HandleField;
}
+
namespace PQ {
class SelectBase;
+
class BinaryColumn : public Column {
public:
BinaryColumn(const SelectBase *, unsigned int field);