diff --git a/src/Core/DB/SchemaDefDriver.php b/src/Core/DB/SchemaDefDriver.php
index b4575efe16..b26ba1d188 100644
--- a/src/Core/DB/SchemaDefDriver.php
+++ b/src/Core/DB/SchemaDefDriver.php
@@ -37,19 +37,20 @@ use Functional as F;
 class SchemaDefDriver extends StaticPHPDriver
 {
     /**
-     * PEAR DB type => Doctrine type
+     * V2 DB type => Doctrine type
      */
     private const types = [
-        'varchar'  => 'string',
-        'char'     => 'string', // char is a fixed witdh varchar
-        'int'      => 'integer',
-        'serial'   => 'integer',
-        'tinyint'  => 'smallint', // no portable tinyint
-        'bigint'   => 'bigint',
-        'bool'     => 'boolean',
-        'numeric'  => 'decimal',
-        'text'     => 'text',
-        'datetime' => 'datetime',
+        'varchar'   => 'string',
+        'char'      => 'string', // char is a fixed witdh varchar
+        'int'       => 'integer',
+        'serial'    => 'integer',
+        'tinyint'   => 'smallint', // no portable tinyint
+        'bigint'    => 'bigint',
+        'bool'      => 'boolean',
+        'numeric'   => 'decimal',
+        'text'      => 'text',
+        'datetime'  => 'datetime',
+        'timestamp' => 'datetime',
         // Unused in V2, but might start being used
         'date'        => 'date',
         'time'        => 'time',
@@ -98,8 +99,7 @@ class SchemaDefDriver extends StaticPHPDriver
                 }
             }
 
-            $default = (($opts['default'] ?? null) === '0000-00-00 00:00:00' && $_ENV['DBMS'] === 'postgres')
-                        ? '-infinity' : $opts['default'] ?? null;
+            $default = $opts['default'] ?? null;
 
             $field = [
                 // boolean, optional
diff --git a/src/Entity/ActivityLocation.php b/src/Entity/ActivityLocation.php
index 01c2ee4655..ef71454e8d 100644
--- a/src/Entity/ActivityLocation.php
+++ b/src/Entity/ActivityLocation.php
@@ -124,7 +124,7 @@ class ActivityLocation
                 'lon'              => ['type' => 'numeric', 'precision' => 10, 'scale' => 7, 'description' => 'longitude'],
                 'location_id'      => ['type' => 'int', 'description' => 'location id if possible'],
                 'location_service' => ['type' => 'int', 'size' => 'tiny', 'description' => 'service used to retrieve location information'],
-                'modified'         => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'modified'         => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['activity_id'],
             'foreign keys' => [
diff --git a/src/Entity/ActivitySource.php b/src/Entity/ActivitySource.php
index 965c33ef22..a47122e3e3 100644
--- a/src/Entity/ActivitySource.php
+++ b/src/Entity/ActivitySource.php
@@ -122,8 +122,8 @@ class ActivitySource
                 'code'     => ['type' => 'varchar', 'length' => 32, 'not null' => true, 'description' => 'code identifier'],
                 'name'     => ['type' => 'varchar', 'length' => 191, 'not null' => true, 'description' => 'name of the source'],
                 'url'      => ['type' => 'varchar', 'length' => 191, 'not null' => true, 'description' => 'url to link to'],
-                'created'  => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified' => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'created'  => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified' => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key' => ['code'],
         ];
diff --git a/src/Entity/ActivityTag.php b/src/Entity/ActivityTag.php
index 44bd6c0397..75312421a1 100644
--- a/src/Entity/ActivityTag.php
+++ b/src/Entity/ActivityTag.php
@@ -86,7 +86,7 @@ class ActivityTag
             'fields'      => [
                 'tag'         => ['type' => 'varchar', 'length' => 64, 'not null' => true, 'description' => 'hash tag associated with this activity'],
                 'activity_id' => ['type' => 'int', 'not null' => true, 'description' => 'activity tagged'],
-                'created'     => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
+                'created'     => ['type' => 'datetime', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
             ],
             'primary key'  => ['tag', 'activity_id'],
             'foreign keys' => [
diff --git a/src/Entity/Avatar.php b/src/Entity/Avatar.php
index 3467b1ee8f..c26db67d1d 100644
--- a/src/Entity/Avatar.php
+++ b/src/Entity/Avatar.php
@@ -148,8 +148,8 @@ class Avatar
                 'width'       => ['type' => 'int', 'not null' => true,  'description' => 'image width'],
                 'height'      => ['type' => 'int', 'not null' => true,  'description' => 'image height'],
                 'mediatype'   => ['type' => 'varchar', 'length' => 32,  'not null' => true, 'description' => 'file type'],
-                'created'     => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified'    => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'created'     => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'    => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['profile_id', 'width', 'height'],
             'foreign keys' => [
diff --git a/src/Entity/ConfirmAddress.php b/src/Entity/ConfirmAddress.php
index e956efdf2d..7aa42b3c5a 100644
--- a/src/Entity/ConfirmAddress.php
+++ b/src/Entity/ConfirmAddress.php
@@ -149,8 +149,8 @@ class ConfirmAddress
                 'address_extra' => ['type' => 'varchar',  'length' => 191, 'description' => 'carrier ID, for SMS'],
                 'address_type'  => ['type' => 'varchar',  'length' => 8, 'not null' => true, 'description' => 'address type ("email", "xmpp", "sms")'],
                 'claimed'       => ['type' => 'datetime', 'description' => 'date this was claimed for queueing'],
-                'sent'          => ['type' => 'datetime', 'description' => 'date this was sent for queueing'],
-                'modified'      => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'sent'          => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this was sent for queueing'],
+                'modified'      => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['code'],
             'foreign keys' => [
diff --git a/src/Entity/Conversation.php b/src/Entity/Conversation.php
index f5586a47b9..2bc2c5d781 100644
--- a/src/Entity/Conversation.php
+++ b/src/Entity/Conversation.php
@@ -108,8 +108,8 @@ class Conversation
                 'id'       => ['type' => 'serial',   'not null' => true, 'description' => 'Unique identifier, (again) unrelated to notice id since 2016-01-06'],
                 'uri'      => ['type' => 'varchar',  'not null' => true, 'length' => 191, 'description' => 'URI of the conversation'],
                 'url'      => ['type' => 'varchar',  'length' => 191,  'description' => 'Resolvable URL, preferably remote (local can be generated on the fly)'],
-                'created'  => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified' => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'created'  => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified' => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key' => ['id'],
             'unique keys' => [
diff --git a/src/Entity/File.php b/src/Entity/File.php
index 10067cad89..32a86a7344 100644
--- a/src/Entity/File.php
+++ b/src/Entity/File.php
@@ -215,7 +215,7 @@ class File
                 'is_local'         => ['type' => 'bool',     'description' => 'whether the file is stored locally'],
                 'width'            => ['type' => 'int',      'description' => 'width in pixels, if it can be described as such and data is available'],
                 'height'           => ['type' => 'int',      'description' => 'height in pixels, if it can be described as such and data is available'],
-                'modified'         => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'modified'         => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key' => ['id'],
             'unique keys' => [
diff --git a/src/Entity/FileThumbnail.php b/src/Entity/FileThumbnail.php
index 2f84723541..3dec606c2a 100644
--- a/src/Entity/FileThumbnail.php
+++ b/src/Entity/FileThumbnail.php
@@ -134,7 +134,7 @@ class FileThumbnail
                 'file_id'  => ['type' => 'int', 'not null' => true, 'description' => 'thumbnail for what file'],
                 'width'    => ['type' => 'int', 'not null' => true, 'description' => 'width of thumbnail'],
                 'height'   => ['type' => 'int', 'not null' => true, 'description' => 'height of thumbnail'],
-                'modified' => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'modified' => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['file_id', 'width', 'height'],
             'foreign keys' => [
diff --git a/src/Entity/FileToActivity.php b/src/Entity/FileToActivity.php
index 187f1ec6d8..cf1ec5166c 100644
--- a/src/Entity/FileToActivity.php
+++ b/src/Entity/FileToActivity.php
@@ -85,7 +85,7 @@ class FileToActivity
             'fields' => [
                 'file_id'     => ['type' => 'int', 'not null' => true,       'description' => 'id of file'],
                 'activity_id' => ['type' => 'int', 'not null' => true,       'description' => 'id of the activity it belongs to'],
-                'modified'    => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'modified'    => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['file_id', 'activity_id'],
             'foreign keys' => [
diff --git a/src/Entity/FollowQueue.php b/src/Entity/FollowQueue.php
index 1106b69520..647f63d24d 100644
--- a/src/Entity/FollowQueue.php
+++ b/src/Entity/FollowQueue.php
@@ -86,7 +86,7 @@ class FollowQueue
             'fields'      => [
                 'follower' => ['type' => 'int', 'not null' => true, 'description' => 'remote or local profile making the request'],
                 'followed' => ['type' => 'int', 'not null' => true, 'description' => 'remote or local profile being followed to'],
-                'created'  => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
+                'created'  => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
             ],
             'primary key' => ['follower', 'followed'],
             'indexes'     => [
diff --git a/src/Entity/Group.php b/src/Entity/Group.php
index dc46fc69d6..a7edb48f70 100644
--- a/src/Entity/Group.php
+++ b/src/Entity/Group.php
@@ -263,12 +263,12 @@ class Group
                 'homepage_logo' => ['type' => 'varchar',  'length' => 191, 'description' => 'homepage (profile) size logo'],
                 'stream_logo'   => ['type' => 'varchar',  'length' => 191, 'description' => 'stream-sized logo'],
                 'mini_logo'     => ['type' => 'varchar',  'length' => 191, 'description' => 'mini logo'],
-                'created'       => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified'      => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
                 'uri'           => ['type' => 'varchar',  'length' => 191, 'description' => 'universal identifier'],
                 'mainpage'      => ['type' => 'varchar',  'length' => 191, 'description' => 'page for group info to link to'],
                 'join_policy'   => ['type' => 'int', 'size' => 'tiny', 'description' => '0=open; 1=requires admin approval'],
                 'force_scope'   => ['type' => 'int', 'size' => 'tiny', 'description' => '0=never,1=sometimes,-1=always'],
+                'created'       => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'      => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key' => ['id'],
             'unique keys' => [
diff --git a/src/Entity/GroupAlias.php b/src/Entity/GroupAlias.php
index 03ff1209da..7569982ab6 100644
--- a/src/Entity/GroupAlias.php
+++ b/src/Entity/GroupAlias.php
@@ -85,7 +85,7 @@ class GroupAlias
             'fields' => [
                 'alias'    => ['type' => 'varchar', 'length' => 64, 'not null' => true, 'description' => 'additional nickname for the group'],
                 'group_id' => ['type' => 'int', 'not null' => true, 'description' => 'group id which this is an alias of'],
-                'modified' => ['type' => 'timestamp', 'not null' => true, 'description' => 'date alias was created'],
+                'modified' => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['alias'],
             'foreign keys' => [
diff --git a/src/Entity/GroupBlock.php b/src/Entity/GroupBlock.php
index a6f302090d..cdc2eb4d1c 100644
--- a/src/Entity/GroupBlock.php
+++ b/src/Entity/GroupBlock.php
@@ -98,7 +98,7 @@ class GroupBlock
                 'group_id'        => ['type' => 'int', 'not null' => true, 'description' => 'group profile is blocked from'],
                 'blocked_profile' => ['type' => 'int', 'not null' => true, 'description' => 'profile that is blocked'],
                 'blocker_user'    => ['type' => 'int', 'not null' => true, 'description' => 'user making the block'],
-                'modified'        => ['type' => 'timestamp', 'not null' => true, 'description' => 'date of blocking'],
+                'modified'        => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['group_id', 'blocked_profile'],
             'foreign keys' => [
diff --git a/src/Entity/GroupInbox.php b/src/Entity/GroupInbox.php
index 537106919c..39f00f0e7b 100644
--- a/src/Entity/GroupInbox.php
+++ b/src/Entity/GroupInbox.php
@@ -86,7 +86,7 @@ class GroupInbox
             'fields'      => [
                 'group_id'    => ['type' => 'int', 'not null' => true, 'description' => 'group receiving the message'],
                 'activity_id' => ['type' => 'int', 'not null' => true, 'description' => 'activity received'],
-                'created'     => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date the activity was created'],
+                'created'     => ['type' => 'datetime', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
             ],
             'primary key'  => ['group_id', 'activity_id'],
             'foreign keys' => [
diff --git a/src/Entity/GroupJoinQueue.php b/src/Entity/GroupJoinQueue.php
index c2882a8743..0dcec8a5a2 100644
--- a/src/Entity/GroupJoinQueue.php
+++ b/src/Entity/GroupJoinQueue.php
@@ -86,7 +86,7 @@ class GroupJoinQueue
             'fields'      => [
                 'profile_id' => ['type' => 'int', 'not null' => true, 'description' => 'remote or local profile making the request'],
                 'group_id'   => ['type' => 'int', 'not null' => true, 'description' => 'remote or local group to join, if any'],
-                'created'    => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
+                'created'    => ['type' => 'datetime', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
             ],
             'primary key' => ['profile_id', 'group_id'],
             'indexes'     => [
diff --git a/src/Entity/GroupMember.php b/src/Entity/GroupMember.php
index 5297f04185..acdf63271f 100644
--- a/src/Entity/GroupMember.php
+++ b/src/Entity/GroupMember.php
@@ -123,8 +123,8 @@ class GroupMember
                 'profile_id' => ['type' => 'int', 'not null' => true,  'description' => 'foreign key to profile table'],
                 'is_admin'   => ['type' => 'bool', 'default' => false, 'description' => 'is this user an admin?'],
                 'uri'        => ['type' => 'varchar', 'length' => 191, 'description' => 'universal identifier'],
-                'created'    => ['type' => 'datetime', 'not null' => true,  'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified'   => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'created'    => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'   => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key' => ['group_id', 'profile_id'],
             'unique keys' => [
diff --git a/src/Entity/Invitation.php b/src/Entity/Invitation.php
index 18356aea10..a50986c63d 100644
--- a/src/Entity/Invitation.php
+++ b/src/Entity/Invitation.php
@@ -123,8 +123,8 @@ class Invitation
                 'user_id'            => ['type' => 'int', 'not null' => true, 'description' => 'who sent the invitation'],
                 'address'            => ['type' => 'varchar', 'length' => 191, 'not null' => true, 'description' => 'invitation sent to'],
                 'address_type'       => ['type' => 'varchar', 'length' => 8, 'not null' => true, 'description' => 'address type ("email", "xmpp", "sms")'],
-                'created'            => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
                 'registered_user_id' => ['type' => 'int', 'not null' => false, 'description' => 'if the invitation is converted, who the new user is'],
+                'created'            => ['type' => 'datetime', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
             ],
             'primary key'  => ['code'],
             'foreign keys' => [
diff --git a/src/Entity/LocationService.php b/src/Entity/LocationService.php
index 2eff49273a..4cabe5601d 100644
--- a/src/Entity/LocationService.php
+++ b/src/Entity/LocationService.php
@@ -97,8 +97,8 @@ class LocationService
             'fields' => [
                 'id'          => ['type' => 'int', 'size' => 'tiny', 'not null' => true, 'description' => 'identifier for the location service'],
                 'description' => ['type' => 'varchar', 'length' => 191, 'description' => 'description of the service'],
-                'created'     => ['type' => 'datetime', 'not null' => true,  'default' => '0000-00-00 00:00:00', 'description' => 'date the record was created'],
-                'modified'    => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'created'     => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'    => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key' => ['id'],
         ];
diff --git a/src/Entity/Notification.php b/src/Entity/Notification.php
index 21106de54e..2957b03567 100644
--- a/src/Entity/Notification.php
+++ b/src/Entity/Notification.php
@@ -111,8 +111,8 @@ class Notification
                 'notice_id'  => ['type' => 'int', 'not null' => true,  'description' => 'notice_id to give attention'],
                 'profile_id' => ['type' => 'int', 'not null' => true,  'description' => 'profile_id for feed receiver'],
                 'reason'     => ['type' => 'varchar', 'length' => 191, 'description' => 'Optional reason why this was brought to the attention of profile_id'],
-                'created'    => ['type' => 'datetime', 'not null' => true,  'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified'   => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'created'    => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'   => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['notice_id', 'profile_id'],
             'foreign keys' => [
diff --git a/src/Entity/Profile.php b/src/Entity/Profile.php
index 2a8ac78fcd..86cf2256ee 100644
--- a/src/Entity/Profile.php
+++ b/src/Entity/Profile.php
@@ -214,8 +214,8 @@ class Profile
                 'lon'              => ['type' => 'numeric', 'precision' => 10, 'scale' => 7, 'description' => 'longitude'],
                 'location_id'      => ['type' => 'int', 'description' => 'location id if possible'],
                 'location_service' => ['type' => 'int', 'description' => 'service used to obtain location id'],
-                'created'          => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified'         => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'created'          => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'         => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key' => ['id'],
             'indexes'     => [
diff --git a/src/Entity/ProfileBlock.php b/src/Entity/ProfileBlock.php
index 46988fc72a..8564232872 100644
--- a/src/Entity/ProfileBlock.php
+++ b/src/Entity/ProfileBlock.php
@@ -85,7 +85,7 @@ class ProfileBlock
             'fields' => [
                 'blocker'  => ['type' => 'int', 'not null' => true, 'description' => 'user making the block'],
                 'blocked'  => ['type' => 'int', 'not null' => true, 'description' => 'profile that is blocked'],
-                'modified' => ['type' => 'timestamp', 'not null' => true, 'description' => 'date of blocking'],
+                'modified' => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['blocker', 'blocked'],
             'foreign keys' => [
diff --git a/src/Entity/ProfileList.php b/src/Entity/ProfileList.php
index a92e2f2eb6..08f6662c41 100644
--- a/src/Entity/ProfileList.php
+++ b/src/Entity/ProfileList.php
@@ -189,8 +189,8 @@ class ProfileList
                 'mainpage'       => ['type' => 'varchar', 'length' => 191, 'description' => 'page to link to'],
                 'tagged_count'   => ['type' => 'int', 'default' => 0, 'description' => 'number of people tagged with this tag by this user'],
                 'follower_count' => ['type' => 'int', 'default' => 0, 'description' => 'number of followers to this tag'],
-                'created'        => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date the tag was added'],
-                'modified'       => ['type' => 'timestamp', 'not null' => true, 'description' => 'date the tag was modified'],
+                'created'        => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'       => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key' => ['tagger', 'tag'],
             'unique keys' => [
diff --git a/src/Entity/ProfilePrefs.php b/src/Entity/ProfilePrefs.php
index 3b4f43958e..427bdeacaf 100644
--- a/src/Entity/ProfilePrefs.php
+++ b/src/Entity/ProfilePrefs.php
@@ -123,8 +123,8 @@ class ProfilePrefs
                 'namespace'  => ['type' => 'varchar', 'length' => 191, 'not null' => true, 'description' => 'namespace, like pluginname or category'],
                 'topic'      => ['type' => 'varchar', 'length' => 191, 'not null' => true, 'description' => 'preference key, i.e. description, age...'],
                 'data'       => ['type' => 'blob', 'description' => 'topic data, may be anything'],
-                'created'    => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified'   => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'created'    => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'   => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['profile_id', 'namespace', 'topic'],
             'foreign keys' => [
diff --git a/src/Entity/ProfileTag.php b/src/Entity/ProfileTag.php
index 05392ffea0..bf37f2b6e1 100644
--- a/src/Entity/ProfileTag.php
+++ b/src/Entity/ProfileTag.php
@@ -98,7 +98,7 @@ class ProfileTag
                 'tagger'   => ['type' => 'int', 'not null' => true, 'description' => 'user making the tag'],
                 'tagged'   => ['type' => 'int', 'not null' => true, 'description' => 'profile tagged'],
                 'tag'      => ['type' => 'varchar', 'length' => 64, 'not null' => true, 'description' => 'hash tag associated with this notice'],
-                'modified' => ['type' => 'datetime', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date the tag was added'],
+                'modified' => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['tagger', 'tagged', 'tag'],
             'foreign keys' => [
diff --git a/src/Entity/ProfileTagFollow.php b/src/Entity/ProfileTagFollow.php
index 49ec6ca980..3ad4e57473 100644
--- a/src/Entity/ProfileTagFollow.php
+++ b/src/Entity/ProfileTagFollow.php
@@ -97,8 +97,8 @@ class ProfileTagFollow
             'fields' => [
                 'profile_tag_id' => ['type' => 'int', 'not null' => true, 'description' => 'foreign key to profile_tag'],
                 'profile_id'     => ['type' => 'int', 'not null' => true, 'description' => 'foreign key to profile table'],
-                'created'        => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified'       => ['type' => 'datetime', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
+                'created'        => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'       => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['profile_tag_id', 'profile_id'],
             'foreign keys' => [
diff --git a/src/Entity/RelatedGroup.php b/src/Entity/RelatedGroup.php
index 9f0c5ebf46..35bf764309 100644
--- a/src/Entity/RelatedGroup.php
+++ b/src/Entity/RelatedGroup.php
@@ -86,7 +86,7 @@ class RelatedGroup
             'fields' => [
                 'group_id'         => ['type' => 'int', 'not null' => true, 'description' => 'foreign key to user_group'],
                 'related_group_id' => ['type' => 'int', 'not null' => true, 'description' => 'foreign key to user_group'],
-                'created'          => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
+                'created'          => ['type' => 'datetime', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
             ],
             'primary key'  => ['group_id', 'related_group_id'],
             'foreign keys' => [
diff --git a/src/Entity/ReservedNickname.php b/src/Entity/ReservedNickname.php
index 6dbcfed406..fd7ca30d25 100644
--- a/src/Entity/ReservedNickname.php
+++ b/src/Entity/ReservedNickname.php
@@ -73,7 +73,7 @@ class ReservedNickname
             'description' => 'A reserved nickname',
             'fields'      => [
                 'nickname' => ['type' => 'varchar', 'length' => 64, 'not null' => true, 'description' => 'nickname not to use'],
-                'created'  => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00'],
+                'created'  => ['type' => 'datetime', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
             ],
             'primary key' => ['nickname'],
         ];
diff --git a/src/Entity/SmsCarrier.php b/src/Entity/SmsCarrier.php
index e67497cac0..942251dccc 100644
--- a/src/Entity/SmsCarrier.php
+++ b/src/Entity/SmsCarrier.php
@@ -110,8 +110,8 @@ class SmsCarrier
                 'id'            => ['type' => 'int', 'not null' => true, 'description' => 'primary key for SMS carrier'],
                 'name'          => ['type' => 'varchar', 'length' => 64, 'description' => 'name of the carrier'],
                 'email_pattern' => ['type' => 'varchar', 'length' => 191, 'not null' => true, 'description' => 'sprintf pattern for making an email address from a phone number'],
-                'created'       => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified'      => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'created'       => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'      => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key' => ['id'],
             'unique keys' => [
diff --git a/src/Entity/UserLocationPrefs.php b/src/Entity/UserLocationPrefs.php
index 6078a9166c..2076c4e629 100644
--- a/src/Entity/UserLocationPrefs.php
+++ b/src/Entity/UserLocationPrefs.php
@@ -95,8 +95,8 @@ class UserLocationPrefs
             'fields' => [
                 'user_id'        => ['type' => 'int', 'not null' => true, 'description' => 'user who has the preference'],
                 'share_location' => ['type' => 'bool', 'default' => true, 'description' => 'Whether to share location data'],
-                'created'        => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified'       => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'created'        => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'       => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['user_id'],
             'foreign keys' => [
diff --git a/src/Entity/UserNotificationPrefs.php b/src/Entity/UserNotificationPrefs.php
index 3bbfe1fce8..2ed3fbaba0 100644
--- a/src/Entity/UserNotificationPrefs.php
+++ b/src/Entity/UserNotificationPrefs.php
@@ -153,8 +153,8 @@ class UserNotificationPrefs
                 'dm'                    => ['type' => 'bool', 'not null' => true, 'default' => false, 'description' => 'Notify someone sends us a direct message'],
                 'post_on_status_change' => ['type' => 'bool', 'not null' => true, 'default' => false, 'description' => 'Post a notice when our status in service changes'],
                 'enable_posting'        => ['type' => 'bool', 'default' => true,  'description' => 'Enable posting from this service'],
-                'created'               => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified'              => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'created'               => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'              => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key' => ['user_id', 'transport'],
             'unique keys' => [
diff --git a/src/Entity/UserUrlShortenerPrefs.php b/src/Entity/UserUrlShortenerPrefs.php
index 55dcc0a36e..557851a357 100644
--- a/src/Entity/UserUrlShortenerPrefs.php
+++ b/src/Entity/UserUrlShortenerPrefs.php
@@ -123,8 +123,8 @@ class UserUrlShortenerPrefs
                 'url_shortening_service' => ['type' => 'varchar', 'length' => 50, 'default' => 'internal', 'description' => 'service to use for auto-shortening URLs'],
                 'max_url_length'         => ['type' => 'int', 'not null' => true, 'description' => 'urls greater than this length will be shortened, 0 = always, -1 = never'],
                 'max_notice_length'      => ['type' => 'int', 'not null' => true, 'description' => 'notices with content greater than this value will have all urls shortened, 0 = always, -1 = only if notice text is longer than max allowed'],
-                'created'                => ['type' => 'datetime', 'not null' => true, 'default' => '0000-00-00 00:00:00', 'description' => 'date this record was created'],
-                'modified'               => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+                'created'                => ['type' => 'datetime',  'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
+                'modified'               => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
             ],
             'primary key'  => ['user_id'],
             'foreign keys' => [