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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb8
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb2
4 files changed, 7 insertions, 7 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
index e977d36cb9..99934a0e31 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
@@ -731,7 +731,7 @@ module ActiveRecord
# this block can't be easily moved into attempt_to_checkout_all_existing_connections's
# rescue block, because doing so would put it outside of synchronize section, without
# being in a critical section thread_report might become inaccurate
- msg = "could not obtain ownership of all database connections in #{checkout_timeout} seconds".dup
+ msg = +"could not obtain ownership of all database connections in #{checkout_timeout} seconds"
thread_report = []
@connections.each do |conn|
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
index 5b24a467ec..c10da813ec 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
@@ -379,7 +379,7 @@ module ActiveRecord
build_fixture_sql(fixtures, table_name)
end.compact
- table_deletes = tables_to_delete.map { |table| "DELETE FROM #{quote_table_name table}".dup }
+ table_deletes = tables_to_delete.map { |table| +"DELETE FROM #{quote_table_name table}" }
total_sql = Array.wrap(combine_multi_statements(table_deletes + fixture_inserts))
disable_referential_integrity do
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
index 529c9d8ca6..9d9e8a4110 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb
@@ -21,7 +21,7 @@ module ActiveRecord
private
def visit_AlterTable(o)
- sql = "ALTER TABLE #{quote_table_name(o.name)} ".dup
+ sql = +"ALTER TABLE #{quote_table_name(o.name)} "
sql << o.adds.map { |col| accept col }.join(" ")
sql << o.foreign_key_adds.map { |fk| visit_AddForeignKey fk }.join(" ")
sql << o.foreign_key_drops.map { |fk| visit_DropForeignKey fk }.join(" ")
@@ -29,17 +29,17 @@ module ActiveRecord
def visit_ColumnDefinition(o)
o.sql_type = type_to_sql(o.type, o.options)
- column_sql = "#{quote_column_name(o.name)} #{o.sql_type}".dup
+ column_sql = +"#{quote_column_name(o.name)} #{o.sql_type}"
add_column_options!(column_sql, column_options(o)) unless o.type == :primary_key
column_sql
end
def visit_AddColumnDefinition(o)
- "ADD #{accept(o.column)}".dup
+ +"ADD #{accept(o.column)}"
end
def visit_TableDefinition(o)
- create_sql = "CREATE#{' TEMPORARY' if o.temporary} TABLE #{quote_table_name(o.name)} ".dup
+ create_sql = +"CREATE#{' TEMPORARY' if o.temporary} TABLE #{quote_table_name(o.name)} "
statements = o.columns.map { |c| accept c }
statements << accept(o.primary_keys) if o.primary_keys
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index 172f0a5c84..723d8c318d 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -1380,7 +1380,7 @@ module ActiveRecord
sm_table = quote_table_name(ActiveRecord::SchemaMigration.table_name)
if versions.is_a?(Array)
- sql = "INSERT INTO #{sm_table} (version) VALUES\n".dup
+ sql = +"INSERT INTO #{sm_table} (version) VALUES\n"
sql << versions.map { |v| "(#{quote(v)})" }.join(",\n")
sql << ";\n\n"
sql