From 17b26ec23ee0e62063b1372f811e50183a3a638d Mon Sep 17 00:00:00 2001
From: Davte <davide@davte.it>
Date: Wed, 7 Oct 2020 16:19:03 +0200
Subject: [PATCH] MySQL compatibility: specify VARCHAR length

`db.types.string` becomes now `db.types.string(n)`
`db.types.text` is the wrong type to use (text blobs)
---
 davtelepot/administration_tools.py |  4 ++--
 davtelepot/bot.py                  | 26 +++++++++++++++++++++-----
 davtelepot/database.py             |  2 +-
 davtelepot/suggestions.py          |  2 +-
 davtelepot/useful_tools.py         |  2 +-
 5 files changed, 26 insertions(+), 10 deletions(-)

diff --git a/davtelepot/administration_tools.py b/davtelepot/administration_tools.py
index 76fcfe0..8051dbb 100644
--- a/davtelepot/administration_tools.py
+++ b/davtelepot/administration_tools.py
@@ -1824,11 +1824,11 @@ def init(telegram_bot: Bot,
         )
         table.create_column(
             'command',
-            db.types.string
+            db.types.string(100)
         )
         table.create_column(
             'description',
-            db.types.string
+            db.types.string(300)
         )
         table.create_column(
             'hidden',
diff --git a/davtelepot/bot.py b/davtelepot/bot.py
index ce28b21..28ca0bc 100644
--- a/davtelepot/bot.py
+++ b/davtelepot/bot.py
@@ -255,23 +255,39 @@ class Bot(TelegramBot, ObjectWithDatabase, MultiLanguageObject):
             )
             table.create_column(
                 'username',
-                self.db.types.string
+                self.db.types.string(64)
             )
             table.create_column(
                 'first_name',
-                self.db.types.string
+                self.db.types.string(64)
             )
             table.create_column(
                 'last_name',
-                self.db.types.string
+                self.db.types.string(64)
             )
             table.create_column(
                 'language_code',
-                self.db.types.string
+                self.db.types.string(8)
             )
             table.create_column(
                 'selected_language_code',
-                self.db.types.string
+                self.db.types.string(8)
+            )
+        if 'user_profile_photos' not in self.db.tables:
+            table = self.db.create_table(
+                table_name='user_profile_photos'
+            )
+            table.create_column(
+                'user_id',
+                self.db.types.integer
+            )
+            table.create_column(
+                'telegram_file_id',
+                self.db.types.string(128)
+            )
+            table.create_column(
+                'update_datetime',
+                self.db.types.datetime
             )
         return
 
diff --git a/davtelepot/database.py b/davtelepot/database.py
index 0e73dbb..baf264c 100644
--- a/davtelepot/database.py
+++ b/davtelepot/database.py
@@ -26,7 +26,7 @@ class ObjectWithDatabase(object):
         """Instantiate object and open connection with database."""
         if database_url is None:
             database_url = 'database.db'
-        if ':///' not in database_url:
+        if '://' not in database_url:
             # Default database engine is sqlite, which operates on a
             # single-file database having `.db` extension
             if not database_url.endswith('.db'):
diff --git a/davtelepot/suggestions.py b/davtelepot/suggestions.py
index 63f72b8..3972c1c 100644
--- a/davtelepot/suggestions.py
+++ b/davtelepot/suggestions.py
@@ -262,7 +262,7 @@ def init(telegram_bot: davtelepot.bot.Bot, suggestion_messages=None):
         )
         table.create_column(
             'suggestion',
-            types.text
+            types.string(2048)
         )
         table.create_column(
             'created',
diff --git a/davtelepot/useful_tools.py b/davtelepot/useful_tools.py
index 922e0b6..b8ccd3c 100644
--- a/davtelepot/useful_tools.py
+++ b/davtelepot/useful_tools.py
@@ -664,7 +664,7 @@ def init(telegram_bot: Bot, useful_tools_messages=None):
         )
         table.create_column(
             'expression',
-            types.string
+            types.string(8192)
         )
 
     @telegram_bot.command(command='/calc',