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-rw-r--r--src/database/table.cpp25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/database/table.cpp b/src/database/table.cpp
new file mode 100644
index 0000000..5929f33
--- /dev/null
+++ b/src/database/table.cpp
@@ -0,0 +1,25 @@
+#include <database/table.hpp>
+
+std::set<std::string> get_all_columns_from_table(sqlite3* db, const std::string& table_name)
+{
+ std::set<std::string> result;
+ char* errmsg;
+ std::string query{"PRAGMA table_info("s + table_name + ")"};
+ log_debug(query);
+ int res = sqlite3_exec(db, query.data(), [](void* param, int columns_nb, char** columns, char**) -> int {
+ constexpr int name_column = 1;
+ std::set<std::string>* result = static_cast<std::set<std::string>*>(param);
+ log_debug("Table has column ", columns[name_column]);
+ if (name_column < columns_nb)
+ result->insert(columns[name_column]);
+ return 0;
+ }, &result, &errmsg);
+
+ if (res != SQLITE_OK)
+ {
+ log_error("Error executing ", query, ": ", errmsg);
+ sqlite3_free(errmsg);
+ }
+
+ return result;
+}