CLI to export/import any database to/from SQLite (#2496)

* CLI to export/import any database to/from SQLite

Require PHP 5.5+ https://github.com/FreshRSS/FreshRSS/pull/2495

* Travis

* Execution rights

* Fix wrong static fields

* Fix MySQL bad default buffering

https://stackoverflow.com/questions/6895098/pdo-mysql-memory-consumption-with-large-result-set/6935271#6935271
https://php.net/manual/ref.pdo-mysql

* Fix count on progression

* Avoid static DB information

To ease working with two DBs at the same time

* Less static, simplify

Needs some testing

* Small corrections

* Special case for SQLite to SQLite

* Modify special case for SQLite

* Remove special case for SQLite

More uniform logic for the 3 databases.
Fix wrong DROP TABLE for SQLite.

* Drop indexes

* Revert "Drop indexes"

This reverts commit f28d2bae0935745c1c74ea38f2ee083f3fd4bf9d.

* Fix deletion

* Fix classic export

* Update cli/README.md

Co-Authored-By: Marien Fressinaud <dev@marienfressinaud.fr>

* Addressing part of review

* Remove goto :cry:

* Travis

* Comment for SQLite case

* Fix missing fields when inserting

1 files changed, 8 insertions, 0 deletions

diff --git a/app/Models/EntryDAOSQLite.php b/app/Models/EntryDAOSQLite.php
index f8cd14fe6..f53685e35 100644
--- a/app/Models/EntryDAOSQLite.php
+++ b/app/Models/EntryDAOSQLite.php
@@ -2,6 +2,14 @@
 
 class FreshRSS_EntryDAOSQLite extends FreshRSS_EntryDAO {
 
+	public function isCompressed() {
+		return false;
+	}
+
+	public function hasNativeHex() {
+		return false;
+	}
+
 	public function sqlHexDecode($x) {
 		return $x;
 	}