From f1d4d76b1b6a9a4d7102c692e21612c67fd81689 Mon Sep 17 00:00:00 2001
From: Ronan Abhamon <ronan.abhamon@belledonne-communications.com>
Date: Mon, 8 Jan 2018 10:09:30 +0100
Subject: [PATCH] feat(AbstractDb): add checkTableExists func

---
 src/db/abstract/abstract-db.cpp | 18 ++++++++++++++++++
 src/db/abstract/abstract-db.h   |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/src/db/abstract/abstract-db.cpp b/src/db/abstract/abstract-db.cpp
index 4dbd70786..34d9f0008 100644
--- a/src/db/abstract/abstract-db.cpp
+++ b/src/db/abstract/abstract-db.cpp
@@ -205,4 +205,22 @@ void AbstractDb::enableForeignKeys (bool status) {
 	#endif // ifdef SOCI_ENABLED
 }
 
+bool AbstractDb::checkTableExists (const string &table) const {
+	#ifdef SOCI_ENABLED
+		L_D();
+		soci::session *session = d->dbSession.getBackendSession<soci::session>();
+		switch (d->backend) {
+			case Mysql:
+				*session << "SHOW TABLES LIKE :table", soci::use(table);
+				return session->got_data() > 0;
+			case Sqlite3:
+				*session << "SELECT name FROM sqlite_master WHERE type='table' AND name=:table", soci::use(table);
+				return session->got_data() > 0;
+		}
+	#endif // ifdef SOCI_ENABLED
+
+	L_ASSERT(false);
+	return false;
+}
+
 LINPHONE_END_NAMESPACE
diff --git a/src/db/abstract/abstract-db.h b/src/db/abstract/abstract-db.h
index 29bf9be15..09a52f39f 100644
--- a/src/db/abstract/abstract-db.h
+++ b/src/db/abstract/abstract-db.h
@@ -63,6 +63,8 @@ protected:
 
 	void enableForeignKeys (bool status);
 
+	bool checkTableExists (const std::string &table) const;
+
 private:
 	L_DECLARE_PRIVATE(AbstractDb);
 	L_DISABLE_COPY(AbstractDb);