diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/mysql')
4 files changed, 17 insertions, 25 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb b/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb index 8c67a7a80b..bda482a00f 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb @@ -13,13 +13,8 @@ module ActiveRecord result end - # Returns an array of arrays containing the field values. - # Order is the same as that returned by +columns+. - def select_rows(arel, name = nil, binds = []) # :nodoc: - select_result(arel, name, binds) do |result| - @connection.next_result while @connection.more_results? - result.to_a - end + def query(sql, name = nil) # :nodoc: + execute(sql, name).to_a end # Executes the SQL statement in the context of this connection. @@ -58,16 +53,6 @@ module ActiveRecord @connection.last_id end - def select_result(arel, name, binds) - arel, binds = binds_from_relation(arel, binds) - sql = to_sql(arel, binds) - if without_prepared_statement?(binds) - execute_and_free(sql, name) { |result| yield result } - else - exec_stmt_and_free(sql, name, binds, cache_stmt: true) { |_, result| yield result } - end - end - def exec_stmt_and_free(sql, name, binds, cache_stmt: false) # make sure we carry over any changes to ActiveRecord::Base.default_timezone that have been # made since we established the connection diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb index 083cd6340f..eea4984680 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb @@ -16,7 +16,7 @@ module ActiveRecord end def visit_ChangeColumnDefinition(o) - change_column_sql = "CHANGE #{quote_column_name(o.name)} #{accept(o.column)}" + change_column_sql = "CHANGE #{quote_column_name(o.name)} #{accept(o.column)}".dup add_column_position!(change_column_sql, column_options(o.column)) end @@ -63,7 +63,7 @@ module ActiveRecord def index_in_create(table_name, column_name, options) index_name, index_type, index_columns, _, _, index_using, comment = @conn.add_index_options(table_name, column_name, options) - add_sql_comment!("#{index_type} INDEX #{quote_column_name(index_name)} #{index_using} (#{index_columns})", comment) + add_sql_comment!("#{index_type} INDEX #{quote_column_name(index_name)} #{index_using} (#{index_columns})".dup, comment) end end end diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb index e2ba0ba1a0..a46d9f8cbb 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb @@ -47,13 +47,13 @@ module ActiveRecord def schema_collation(column) if column.collation && table_name = column.table_name @table_collation_cache ||= {} - @table_collation_cache[table_name] ||= select_one("SHOW TABLE STATUS LIKE '#{table_name}'")["Collation"] + @table_collation_cache[table_name] ||= exec_query("SHOW TABLE STATUS LIKE #{quote(table_name)}", "SCHEMA").first["Collation"] column.collation.inspect if column.collation != @table_collation_cache[table_name] end end def extract_expression_for_virtual_column(column) - if mariadb? + if mariadb? && version < "10.2.5" create_table_info = create_table_info(column.table_name) if %r/#{quote_column_name(column.name)} #{Regexp.quote(column.sql_type)}(?: COLLATE \w+)? AS \((?<expression>.+?)\) #{column.extra}/ =~ create_table_info $~[:expression].inspect @@ -64,7 +64,7 @@ module ActiveRecord " WHERE table_schema = #{scope[:schema]}" \ " AND table_name = #{scope[:name]}" \ " AND column_name = #{quote(column.name)}" - select_value(sql, "SCHEMA").inspect + query_value(sql, "SCHEMA").inspect end end end diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb index f9e1e046ea..24f8ff6367 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb @@ -45,6 +45,13 @@ module ActiveRecord indexes end + def remove_column(table_name, column_name, type = nil, options = {}) + if foreign_key_exists?(table_name, column: column_name) + remove_foreign_key(table_name, column: column_name) + end + super + end + def internal_string_options_for_primary_key super.tap do |options| if CHARSETS_OF_4BYTES_MAXLEN.include?(charset) && (mariadb? || version < "8.0.0") @@ -66,8 +73,8 @@ module ActiveRecord def new_column_from_field(table_name, field) type_metadata = fetch_type_metadata(field[:Type], field[:Extra]) - if type_metadata.type == :datetime && field[:Default] == "CURRENT_TIMESTAMP" - default, default_function = nil, field[:Default] + if type_metadata.type == :datetime && /\ACURRENT_TIMESTAMP(?:\(\))?\z/i.match?(field[:Default]) + default, default_function = nil, "CURRENT_TIMESTAMP" else default, default_function = field[:Default], nil end @@ -95,7 +102,7 @@ module ActiveRecord def data_source_sql(name = nil, type: nil) scope = quoted_scope(name, type: type) - sql = "SELECT table_name FROM information_schema.tables" + sql = "SELECT table_name FROM information_schema.tables".dup sql << " WHERE table_schema = #{scope[:schema]}" sql << " AND table_name = #{scope[:name]}" if scope[:name] sql << " AND table_type = #{scope[:type]}" if scope[:type] |