simple distinct added

2021-08-01 14:31:19 +02:00
parent 4a344d0e77
commit 50a7993a2e
9 changed files with 41 additions and 12 deletions
--- a/row.cpp
+++ b/row.cpp
@@ -97,6 +97,14 @@ namespace usql {
    	}
    }

+    int Row::compare(const Row & other) const {
+	    for (int ci = 0; ci < m_columns.size(); ci++) {
+		    int cmp = m_columns[ci]->compare(other.ith_column(ci));
+		    if (cmp != 0) return cmp;
+	    }
+	    return 0;
+    }
+
    void Row::print(const std::vector<int> & col_char_sizes) {
 	    std::string out{"| "};