Remove empty strings (#5732)

1 files changed, 28 insertions, 28 deletions

diff --git a/lib/mastodon/migration_helpers.rb b/lib/mastodon/migration_helpers.rb
index 80a8f440c..2b5a6cd42 100644
--- a/lib/mastodon/migration_helpers.rb
+++ b/lib/mastodon/migration_helpers.rb
@@ -84,7 +84,7 @@ module Mastodon
 
     BACKGROUND_MIGRATION_BATCH_SIZE = 1000 # Number of rows to process per job
     BACKGROUND_MIGRATION_JOB_BUFFER_SIZE = 1000 # Number of jobs to bulk queue at a time
-    
+
     # Gets an estimated number of rows for a table
     def estimate_rows_in_table(table_name)
       exec_query('SELECT reltuples FROM pg_class WHERE relname = ' +
@@ -313,14 +313,14 @@ module Mastodon
       end
 
       table = Arel::Table.new(table_name)
-      
+
       total = estimate_rows_in_table(table_name).to_i
       if total == 0
         count_arel = table.project(Arel.star.count.as('count'))
         count_arel = yield table, count_arel if block_given?
-        
+
         total = exec_query(count_arel.to_sql).to_hash.first['count'].to_i
-        
+
         return if total == 0
       end
 
@@ -339,7 +339,7 @@ module Mastodon
       # In case there are no rows but we didn't catch it in the estimated size:
       return unless first_row
       start_id = first_row['id'].to_i
-      
+
       say "Migrating #{table_name}.#{column} (~#{total.to_i} rows)"
 
       started_time = Time.now
@@ -347,7 +347,7 @@ module Mastodon
       migrated = 0
       loop do
         stop_row = nil
-        
+
         suppress_messages do
           stop_arel = table.project(table[:id])
             .where(table[:id].gteq(start_id))
@@ -373,29 +373,29 @@ module Mastodon
 
           execute(update_arel.to_sql)
         end
-        
+
         migrated += batch_size
         if Time.now - last_time > 1
           status = "Migrated #{migrated} rows"
-          
+
           percentage = 100.0 * migrated / total
           status += " (~#{sprintf('%.2f', percentage)}%, "
-          
+
           remaining_time = (100.0 - percentage) * (Time.now - started_time) / percentage
-          
+
           status += "#{(remaining_time / 60).to_i}:"
           status += sprintf('%02d', remaining_time.to_i % 60)
           status += ' remaining, '
-          
+
           # Tell users not to interrupt if we're almost done.
           if remaining_time > 10
             status += 'safe to interrupt'
           else
             status += 'DO NOT interrupt'
           end
-          
+
           status += ')'
-          
+
           say status, true
           last_time = Time.now
         end
@@ -483,7 +483,7 @@ module Mastodon
 
       check_trigger_permissions!(table)
       trigger_name = rename_trigger_name(table, old, new)
-      
+
       # If we were in the middle of update_column_in_batches, we should remove
       # the old column and start over, as we have no idea where we were.
       if column_for(table, new)
@@ -492,7 +492,7 @@ module Mastodon
         else
           remove_rename_triggers_for_mysql(trigger_name)
         end
-        
+
         remove_column(table, new)
       end
 
@@ -546,12 +546,12 @@ module Mastodon
       temp_column = rename_column_name(column)
 
       rename_column_concurrently(table, column, temp_column, type: new_type)
-      
+
       # Primary keys don't necessarily have an associated index.
       if ActiveRecord::Base.get_primary_key(table) == column.to_s
         old_pk_index_name = "index_#{table}_on_#{column}"
         new_pk_index_name = "index_#{table}_on_#{column}_cm"
-        
+
         unless indexes_for(table, column).find{|i| i.name == old_pk_index_name}
           add_concurrent_index(table, [temp_column], {
             unique: true,
@@ -572,14 +572,14 @@ module Mastodon
       # Wait for the indices to be built
       indexes_for(table, column).each do |index|
         expected_name = index.name + '_cm'
-        
+
         puts "Waiting for index #{expected_name}"
         sleep 1 until indexes_for(table, temp_column).find {|i| i.name == expected_name }
       end
-      
+
       was_primary = (ActiveRecord::Base.get_primary_key(table) == column.to_s)
       old_default_fn = column_for(table, column).default_function
-      
+
       old_fks = []
       if was_primary
         # Get any foreign keys pointing at this column we need to recreate, and
@@ -613,7 +613,7 @@ module Mastodon
             target_col: temp_column,
             on_delete: extract_foreign_key_action(old_fk['on_delete'])
           )
-          
+
           remove_foreign_key(old_fk['src_table'], name: old_fk['name'])
         end
       end
@@ -629,15 +629,15 @@ module Mastodon
       transaction do
         # This has to be performed in a transaction as otherwise we might have
         # inconsistent data.
-        
+
         cleanup_concurrent_column_rename(table, column, temp_column)
         rename_column(table, temp_column, column)
-        
+
         # If there was an old default function, we didn't copy it. Do that now
         # in the transaction, so we don't miss anything.
         change_column_default(table, column, -> { old_default_fn }) if old_default_fn
       end
-      
+
       # Rename any indices back to what they should be.
       indexes_for(table, column).each do |index|
         next unless index.name.end_with?('_cm')
@@ -645,7 +645,7 @@ module Mastodon
         real_index_name = index.name.sub(/_cm$/, '')
         rename_index(table, index.name, real_index_name)
       end
-      
+
       # Rename any foreign keys back to names based on the real column.
       foreign_keys_for(table, column).each do |fk|
         old_fk_name = concurrent_foreign_key_name(fk.from_table, temp_column, 'id')
@@ -653,7 +653,7 @@ module Mastodon
         execute("ALTER TABLE #{fk.from_table} RENAME CONSTRAINT " +
           "#{old_fk_name} TO #{new_fk_name}")
       end
-      
+
       # Rename any foreign keys from other tables to names based on the real
       # column.
       old_fks.each do |old_fk|
@@ -664,7 +664,7 @@ module Mastodon
         execute("ALTER TABLE #{old_fk['src_table']} RENAME CONSTRAINT " +
           "#{old_fk_name} TO #{new_fk_name}")
       end
-      
+
       # If the old column was a primary key, mark the new one as a primary key.
       if was_primary
         execute("ALTER TABLE #{table} ADD PRIMARY KEY USING INDEX " +
@@ -791,7 +791,7 @@ module Mastodon
         # This is necessary as we can't properly rename indexes such as
         # "ci_taggings_idx".
         name = index.name + '_cm'
-        
+
         # If the order contained the old column, map it to the new one.
         order = index.orders
         if order.key?(old)