Module: ArJdbc::MySQL
Defined Under Namespace
Modules: BulkChangeTable, Column, ExplainSupport
Classes: SchemaCreation
Constant Summary
collapse
- NATIVE_DATABASE_TYPES =
{
:primary_key => "int(11) DEFAULT NULL auto_increment PRIMARY KEY",
:string => { :name => "varchar", :limit => 255 },
:text => { :name => "text" },
:integer => { :name => "int", :limit => 4 },
:float => { :name => "float" },
:numeric => { :name => "numeric" }, :decimal => { :name => "decimal" }, :datetime => { :name => "datetime" },
:timestamp => { :name => "datetime" },
:time => { :name => "time" },
:date => { :name => "date" },
:binary => { :name => "blob" },
:boolean => { :name => "tinyint", :limit => 1 },
:bit => { :name => "bit" }, :enum => { :name => "enum" },
:set => { :name => "set" }, :char => { :name => "char" }, }
- ADAPTER_NAME =
'MySQL'.freeze
- INDEX_TYPES =
[ :fulltext, :spatial ]
- INDEX_USINGS =
[ :btree, :hash ]
Class Method Summary
collapse
Instance Method Summary
collapse
-
#adapter_name ⇒ Object
-
#add_column(table_name, column_name, type, options = {}) ⇒ Object
-
#add_column_position!(sql, options) ⇒ Object
-
#add_limit_offset!(sql, options) ⇒ Object
-
#case_sensitive_equality_operator ⇒ Object
-
#case_sensitive_modifier(node, table_attribute) ⇒ Object
-
#change_column_default(table_name, column_name, default) ⇒ Object
-
#change_column_null(table_name, column_name, null, default = nil) ⇒ Object
unless const_defined? :SchemaCreation.
-
#charset ⇒ Object
-
#clear_cache! ⇒ Object
-
#collation ⇒ Object
-
#columns(table_name, name = nil) ⇒ Object
Returns an array of Column
objects for the table specified.
-
#configure_connection ⇒ Object
-
#create_database(name, options = {}) ⇒ Object
-
#create_savepoint(name = current_savepoint_name(true)) ⇒ Object
-
#create_table(name, options = {}) ⇒ Object
-
#current_database ⇒ Object
-
#disable_referential_integrity ⇒ Object
-
#drop_database(name) ⇒ Object
-
#drop_table(table_name, options = {}) ⇒ Object
-
#empty_insert_statement_value ⇒ Object
-
#index_algorithms ⇒ Object
-
#indexes(table_name, name = nil) ⇒ Object
Returns an array of indexes for the given table.
-
#initialize_schema_migrations_table ⇒ Object
-
#jdbc_column_class ⇒ Object
-
#limited_update_conditions(where_sql, quoted_table_name, quoted_primary_key) ⇒ Object
-
#native_database_types ⇒ Object
-
#pk_and_sequence_for(table) ⇒ Object
Returns a table's primary key and belonging sequence.
-
#primary_key(table) ⇒ Object
Returns just a table's primary key.
-
#quote_column_name(name) ⇒ Object
-
#quote_table_name(name) ⇒ Object
-
#quoted_columns_for_index(column_names, options = {}) ⇒ Object
protected
-
#release_savepoint(name = current_savepoint_name) ⇒ Object
-
#remove_index!(table_name, index_name) ⇒ Object
-
#rename_column(table_name, column_name, new_column_name) ⇒ Object
-
#rename_index(table_name, old_name, new_name) ⇒ Object
-
#rename_table(table_name, new_name) ⇒ Object
-
#rollback_to_savepoint(name = current_savepoint_name) ⇒ Object
-
#schema_creation ⇒ Object
-
#show_variable(var) ⇒ Object
-
#strict_mode? ⇒ Boolean
-
#structure_dump ⇒ Object
deprecated
Deprecated.
no longer used - handled with (AR built-in) Rake tasks
-
#subquery_for(key, select) ⇒ Object
MySQL is too stupid to create a temporary table for use subquery, so we have to give it some prompting in the form of a subsubquery.
-
#supports_index_sort_order? ⇒ Boolean
-
#supports_indexes_in_create? ⇒ Boolean
-
#supports_migrations? ⇒ Boolean
-
#supports_primary_key? ⇒ Boolean
-
#supports_rename_index? ⇒ Boolean
-
#supports_savepoints? ⇒ Boolean
-
#supports_transaction_isolation?(level = nil) ⇒ Boolean
-
#supports_views? ⇒ Boolean
-
#translate_exception(exception, message) ⇒ Object
protected
-
#truncate(table_name, name = nil) ⇒ Object
-
#type_to_sql(type, limit = nil, precision = nil, scale = nil) ⇒ Object
-
#update_sql(sql, name = nil) ⇒ Object
-
#valid_type?(type) ⇒ Boolean
#add_column_sql, #add_index_sql, #add_timestamps_sql, #bulk_change_table, #change_column_sql, #remove_column_sql, #remove_columns_sql, #remove_index_sql, #remove_timestamps_sql, #rename_column_sql, #supports_bulk_alter?
Class Method Details
.arel_visitor_type(config = nil) ⇒ Object
141
142
143
|
# File 'lib/arjdbc/mysql/adapter.rb', line 141
def self.arel_visitor_type(config = nil)
::Arel::Visitors::MySQL
end
|
.column_selector ⇒ Object
5
6
7
|
# File 'lib/arjdbc/mysql/column.rb', line 5
def self.column_selector
[ /mysql/i, lambda { |config, column| column.extend(Column) } ]
end
|
.emulate_booleans ⇒ Object
Deprecated. Use #emulate_booleans? instead.
101
|
# File 'lib/arjdbc/mysql/adapter.rb', line 101
def self.emulate_booleans; @@emulate_booleans; end
|
.emulate_booleans=(emulate) ⇒ Object
103
|
# File 'lib/arjdbc/mysql/adapter.rb', line 103
def self.emulate_booleans=(emulate); @@emulate_booleans = emulate; end
|
.emulate_booleans? ⇒ Boolean
Boolean emulation can be disabled using (or using the adapter method) :
ArJdbc::MySQL.emulate_booleans = false
99
|
# File 'lib/arjdbc/mysql/adapter.rb', line 99
def self.emulate_booleans?; @@emulate_booleans; end
|
.jdbc_connection_class ⇒ Object
Instance Method Details
#adapter_name ⇒ Object
137
138
139
|
# File 'lib/arjdbc/mysql/adapter.rb', line 137
def adapter_name
ADAPTER_NAME
end
|
#add_column(table_name, column_name, type, options = {}) ⇒ Object
542
543
544
545
546
547
|
# File 'lib/arjdbc/mysql/adapter.rb', line 542
def add_column(table_name, column_name, type, options = {})
add_column_sql = "ALTER TABLE #{quote_table_name(table_name)} ADD #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}"
add_column_options!(add_column_sql, options)
add_column_position!(add_column_sql, options)
execute(add_column_sql)
end
|
#add_column_position!(sql, options) ⇒ Object
608
609
610
611
612
613
614
|
# File 'lib/arjdbc/mysql/adapter.rb', line 608
def add_column_position!(sql, options)
if options[:first]
sql << " FIRST"
elsif options[:after]
sql << " AFTER #{quote_column_name(options[:after])}"
end
end
|
#add_limit_offset!(sql, options) ⇒ Object
Note:
Only used with (non-AREL) ActiveRecord 2.3.
618
619
620
621
622
623
624
625
626
627
628
|
# File 'lib/arjdbc/mysql/adapter.rb', line 618
def add_limit_offset!(sql, options)
limit, offset = options[:limit], options[:offset]
if limit && offset
sql << " LIMIT #{offset.to_i}, #{sanitize_limit(limit)}"
elsif limit
sql << " LIMIT #{sanitize_limit(limit)}"
elsif offset
sql << " OFFSET #{offset.to_i}"
end
sql
end
|
#case_sensitive_equality_operator ⇒ Object
151
152
153
|
# File 'lib/arjdbc/mysql/adapter.rb', line 151
def case_sensitive_equality_operator
"= BINARY"
end
|
#case_sensitive_modifier(node, table_attribute) ⇒ Object
155
156
157
|
# File 'lib/arjdbc/mysql/adapter.rb', line 155
def case_sensitive_modifier(node)
Arel::Nodes::Bin.new(node)
end
|
#change_column_default(table_name, column_name, default) ⇒ Object
549
550
551
552
|
# File 'lib/arjdbc/mysql/adapter.rb', line 549
def change_column_default(table_name, column_name, default)
column = column_for(table_name, column_name)
change_column table_name, column_name, column.sql_type, :default => default
end
|
#change_column_null(table_name, column_name, null, default = nil) ⇒ Object
unless const_defined? :SchemaCreation
554
555
556
557
558
559
560
561
562
|
# File 'lib/arjdbc/mysql/adapter.rb', line 554
def change_column_null(table_name, column_name, null, default = nil)
column = column_for(table_name, column_name)
unless null || default.nil?
execute("UPDATE #{quote_table_name(table_name)} SET #{quote_column_name(column_name)}=#{quote(default)} WHERE #{quote_column_name(column_name)} IS NULL")
end
change_column table_name, column_name, column.sql_type, :null => null
end
|
#charset ⇒ Object
658
659
660
|
# File 'lib/arjdbc/mysql/adapter.rb', line 658
def charset
show_variable("character_set_database")
end
|
#clear_cache! ⇒ Object
707
708
709
710
|
# File 'lib/arjdbc/mysql/adapter.rb', line 707
def clear_cache!
super
reload_type_map
end
|
#collation ⇒ Object
662
663
664
|
# File 'lib/arjdbc/mysql/adapter.rb', line 662
def collation
show_variable("collation_database")
end
|
#columns(table_name, name = nil) ⇒ Object
Returns an array of Column
objects for the table specified.
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
|
# File 'lib/arjdbc/mysql/adapter.rb', line 394
def columns(table_name, name = nil)
sql = "SHOW FULL #{AR40 ? 'FIELDS' : 'COLUMNS'} FROM #{quote_table_name(table_name)}"
columns = execute(sql, name || 'SCHEMA')
strict = strict_mode?
pass_cast_type = respond_to?(:lookup_cast_type)
columns.map! do |field|
sql_type = field['Type']
null = field['Null'] == "YES"
if pass_cast_type
cast_type = lookup_cast_type(sql_type)
jdbc_column_class.new(field['Field'], field['Default'], cast_type, sql_type, null, field['Collation'], strict, field['Extra'])
else
jdbc_column_class.new(field['Field'], field['Default'], sql_type, null, field['Collation'], strict, field['Extra'])
end
end
columns
end
|
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
# File 'lib/arjdbc/mysql/adapter.rb', line 49
def configure_connection
variables = config[:variables] || {}
variables[:sql_auto_is_null] = 0
wait_timeout = config[:wait_timeout]
wait_timeout = self.class.type_cast_config_to_integer(wait_timeout)
variables[:wait_timeout] = wait_timeout.is_a?(Fixnum) ? wait_timeout : 2147483
if strict_mode? && ! variables.has_key?(:sql_mode)
variables[:sql_mode] = 'STRICT_ALL_TABLES' end
encoding = "NAMES #{config[:encoding]}, " if config[:encoding]
variable_assignments = variables.map do |k, v|
if v == ':default' || v == :default
"@@SESSION.#{k.to_s} = DEFAULT" elsif ! v.nil?
"@@SESSION.#{k.to_s} = #{quote(v)}"
end
end.compact.join(', ')
execute("SET #{encoding} #{variable_assignments}", :skip_logging)
end
|
#create_database(name, options = {}) ⇒ Object
490
491
492
493
494
495
496
|
# File 'lib/arjdbc/mysql/adapter.rb', line 490
def create_database(name, options = {})
if options[:collation]
execute "CREATE DATABASE `#{name}` DEFAULT CHARACTER SET `#{options[:charset] || 'utf8'}` COLLATE `#{options[:collation]}`"
else
execute "CREATE DATABASE `#{name}` DEFAULT CHARACTER SET `#{options[:charset] || 'utf8'}`"
end
end
|
#create_savepoint(name = current_savepoint_name(true)) ⇒ Object
286
287
288
|
# File 'lib/arjdbc/mysql/adapter.rb', line 286
def create_savepoint(name = current_savepoint_name(true))
log("SAVEPOINT #{name}", 'Savepoint') { super }
end
|
#create_table(name, options = {}) ⇒ Object
512
513
514
|
# File 'lib/arjdbc/mysql/adapter.rb', line 512
def create_table(name, options = {})
super(name, { :options => "ENGINE=InnoDB" }.merge(options))
end
|
#current_database ⇒ Object
503
504
505
|
# File 'lib/arjdbc/mysql/adapter.rb', line 503
def current_database
select_one("SELECT DATABASE() as db")['db']
end
|
#disable_referential_integrity ⇒ Object
300
301
302
303
304
305
306
307
308
|
# File 'lib/arjdbc/mysql/adapter.rb', line 300
def disable_referential_integrity
fk_checks = select_value("SELECT @@FOREIGN_KEY_CHECKS")
begin
update("SET FOREIGN_KEY_CHECKS = 0")
yield
ensure
update("SET FOREIGN_KEY_CHECKS = #{fk_checks}")
end
end
|
#drop_database(name) ⇒ Object
499
500
501
|
# File 'lib/arjdbc/mysql/adapter.rb', line 499
def drop_database(name)
execute "DROP DATABASE IF EXISTS `#{name}`"
end
|
#drop_table(table_name, options = {}) ⇒ Object
516
517
518
|
# File 'lib/arjdbc/mysql/adapter.rb', line 516
def drop_table(table_name, options = {})
execute "DROP#{' TEMPORARY' if options[:temporary]} TABLE #{quote_table_name(table_name)}"
end
|
#empty_insert_statement_value ⇒ Object
698
699
700
|
# File 'lib/arjdbc/mysql/adapter.rb', line 698
def empty_insert_statement_value
"VALUES ()"
end
|
#index_algorithms ⇒ Object
269
270
271
|
# File 'lib/arjdbc/mysql/adapter.rb', line 269
def index_algorithms
{ :default => 'ALGORITHM = DEFAULT', :copy => 'ALGORITHM = COPY', :inplace => 'ALGORITHM = INPLACE' }
end
|
#indexes(table_name, name = nil) ⇒ Object
Returns an array of indexes for the given table.
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
|
# File 'lib/arjdbc/mysql/adapter.rb', line 366
def indexes(table_name, name = nil)
indexes = []
current_index = nil
result = execute("SHOW KEYS FROM #{quote_table_name(table_name)}", name || 'SCHEMA')
result.each do |row|
key_name = row['Key_name']
if current_index != key_name
next if key_name == 'PRIMARY' current_index = key_name
indexes <<
if self.class.const_defined?(:INDEX_TYPES) mysql_index_type = row['Index_type'].downcase.to_sym
index_type = INDEX_TYPES.include?(mysql_index_type) ? mysql_index_type : nil
index_using = INDEX_USINGS.include?(mysql_index_type) ? mysql_index_type : nil
IndexDefinition.new(row['Table'], key_name, row['Non_unique'].to_i == 0, [], [], nil, nil, index_type, index_using)
else
IndexDefinition.new(row['Table'], key_name, row['Non_unique'].to_i == 0, [], [])
end
end
indexes.last.columns << row["Column_name"]
indexes.last.lengths << row["Sub_part"]
end
indexes
end
|
#initialize_schema_migrations_table ⇒ Object
168
169
170
171
172
173
174
|
# File 'lib/arjdbc/mysql/adapter.rb', line 168
def initialize_schema_migrations_table
if @config[:encoding] == 'utf8mb4'
ActiveRecord::SchemaMigration.create_table(191)
else
ActiveRecord::SchemaMigration.create_table
end
end
|
#jdbc_column_class ⇒ Object
#limited_update_conditions(where_sql, quoted_table_name, quoted_primary_key) ⇒ Object
164
165
166
|
# File 'lib/arjdbc/mysql/adapter.rb', line 164
def limited_update_conditions(where_sql, quoted_table_name, quoted_primary_key)
where_sql
end
|
#native_database_types ⇒ Object
130
131
132
|
# File 'lib/arjdbc/mysql/adapter.rb', line 130
def native_database_types
NATIVE_DATABASE_TYPES
end
|
#pk_and_sequence_for(table) ⇒ Object
Note:
Not used, only here for potential compatibility with native adapter.
Returns a table's primary key and belonging sequence.
348
349
350
351
352
353
354
355
356
|
# File 'lib/arjdbc/mysql/adapter.rb', line 348
def pk_and_sequence_for(table)
result = execute("SHOW CREATE TABLE #{quote_table_name(table)}", 'SCHEMA').first
if result['Create Table'].to_s =~ /PRIMARY KEY\s+(?:USING\s+\w+\s+)?\((.+)\)/
keys = $1.split(","); keys.map! { |key| key.gsub(/[`"]/, "") }
return keys.length == 1 ? [ keys.first, nil ] : nil
else
return nil
end
end
|
#primary_key(table) ⇒ Object
Returns just a table's primary key.
339
340
341
342
343
|
# File 'lib/arjdbc/mysql/adapter.rb', line 339
def primary_key(table)
@connection.primary_keys(table).first
end
|
#quote_column_name(name) ⇒ Object
220
221
222
|
# File 'lib/arjdbc/mysql/adapter.rb', line 220
def quote_column_name(name)
"`#{name.to_s.gsub('`', '``')}`"
end
|
#quote_table_name(name) ⇒ Object
225
226
227
|
# File 'lib/arjdbc/mysql/adapter.rb', line 225
def quote_table_name(name)
quote_column_name(name).gsub('.', '`.`')
end
|
#quoted_columns_for_index(column_names, options = {}) ⇒ Object
787
788
789
790
791
792
793
794
795
796
797
798
|
# File 'lib/arjdbc/mysql/adapter.rb', line 787
def quoted_columns_for_index(column_names, options = {})
length = options[:length] if options.is_a?(Hash)
case length
when Hash
column_names.map { |name| length[name] ? "#{quote_column_name(name)}(#{length[name]})" : quote_column_name(name) }
when Fixnum
column_names.map { |name| "#{quote_column_name(name)}(#{length})" }
else
column_names.map { |name| quote_column_name(name) }
end
end
|
#release_savepoint(name = current_savepoint_name) ⇒ Object
296
297
298
|
# File 'lib/arjdbc/mysql/adapter.rb', line 296
def release_savepoint(name = current_savepoint_name)
log("RELEASE SAVEPOINT #{name}", 'Savepoint') { super }
end
|
#remove_index!(table_name, index_name) ⇒ Object
527
528
529
530
|
# File 'lib/arjdbc/mysql/adapter.rb', line 527
def remove_index!(table_name, index_name)
execute "DROP INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)}"
end
|
#rename_column(table_name, column_name, new_column_name) ⇒ Object
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
|
# File 'lib/arjdbc/mysql/adapter.rb', line 589
def rename_column(table_name, column_name, new_column_name)
options = {}
if column = columns(table_name).find { |c| c.name == column_name.to_s }
type = column.type
options[:default] = column.default if type != :text && type != :binary
options[:null] = column.null
else
raise ActiveRecordError, "No such column: #{table_name}.#{column_name}"
end
current_type = select_one("SHOW COLUMNS FROM #{quote_table_name(table_name)} LIKE '#{column_name}'")["Type"]
rename_column_sql = "ALTER TABLE #{quote_table_name(table_name)} CHANGE #{quote_column_name(column_name)} #{quote_column_name(new_column_name)} #{current_type}"
add_column_options!(rename_column_sql, options)
execute(rename_column_sql)
rename_column_indexes(table_name, column_name, new_column_name) if respond_to?(:rename_column_indexes) end
|
#rename_index(table_name, old_name, new_name) ⇒ Object
533
534
535
536
537
538
539
|
# File 'lib/arjdbc/mysql/adapter.rb', line 533
def rename_index(table_name, old_name, new_name)
if supports_rename_index?
execute "ALTER TABLE #{quote_table_name(table_name)} RENAME INDEX #{quote_table_name(old_name)} TO #{quote_table_name(new_name)}"
else
super
end
end
|
#rename_table(table_name, new_name) ⇒ Object
521
522
523
524
|
# File 'lib/arjdbc/mysql/adapter.rb', line 521
def rename_table(table_name, new_name)
execute "RENAME TABLE #{quote_table_name(table_name)} TO #{quote_table_name(new_name)}"
rename_table_indexes(table_name, new_name) if respond_to?(:rename_table_indexes) end
|
#rollback_to_savepoint(name = current_savepoint_name) ⇒ Object
291
292
293
|
# File 'lib/arjdbc/mysql/adapter.rb', line 291
def rollback_to_savepoint(name = current_savepoint_name)
log("ROLLBACK TO SAVEPOINT #{name}", 'Savepoint') { super }
end
|
#schema_creation ⇒ Object
478
|
# File 'lib/arjdbc/mysql/adapter.rb', line 478
def schema_creation; SchemaCreation.new self end
|
#show_variable(var) ⇒ Object
652
653
654
655
656
|
# File 'lib/arjdbc/mysql/adapter.rb', line 652
def show_variable(var)
res = execute("show variables like '#{var}'")
result_row = res.detect {|row| row["Variable_name"] == var }
result_row && result_row["Value"]
end
|
#strict_mode? ⇒ Boolean
85
86
87
88
89
|
# File 'lib/arjdbc/mysql/adapter.rb', line 85
def strict_mode?
config.key?(:strict) ?
self.class.type_cast_config_to_boolean(config[:strict]) :
AR40 end
|
#structure_dump ⇒ Object
Deprecated. no longer used - handled with (AR built-in) Rake tasks
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
|
# File 'lib/arjdbc/mysql/adapter.rb', line 318
def structure_dump
if supports_views?
sql = "SHOW FULL TABLES WHERE Table_type = 'BASE TABLE'"
else
sql = "SHOW TABLES"
end
@connection.execute_query_raw(sql).map do |table|
table.delete('Table_type')
table_name = table.to_a.first.last
create_table = select_one("SHOW CREATE TABLE #{quote_table_name(table_name)}")
"#{create_table['Create Table']};\n\n"
end.join
end
|
#subquery_for(key, select) ⇒ Object
MySQL is too stupid to create a temporary table for use subquery, so we have
to give it some prompting in the form of a subsubquery. Ugh!
778
779
780
781
782
783
784
785
|
# File 'lib/arjdbc/mysql/adapter.rb', line 778
def subquery_for(key, select)
subsubselect = select.clone
subsubselect.projections = [key]
subselect = Arel::SelectManager.new(select.engine)
subselect.project Arel.sql(key.name)
subselect.from subsubselect.as('__active_record_temp')
end
|
#supports_index_sort_order? ⇒ Boolean
240
241
242
243
244
|
# File 'lib/arjdbc/mysql/adapter.rb', line 240
def supports_index_sort_order?
true
end
|
#supports_indexes_in_create? ⇒ Boolean
247
248
249
|
# File 'lib/arjdbc/mysql/adapter.rb', line 247
def supports_indexes_in_create?
true
end
|
#supports_migrations? ⇒ Boolean
230
231
232
|
# File 'lib/arjdbc/mysql/adapter.rb', line 230
def supports_migrations?
true
end
|
#supports_primary_key? ⇒ Boolean
235
236
237
|
# File 'lib/arjdbc/mysql/adapter.rb', line 235
def supports_primary_key?
true
end
|
#supports_rename_index? ⇒ Boolean
264
265
266
267
|
# File 'lib/arjdbc/mysql/adapter.rb', line 264
def supports_rename_index?
return false if mariadb? || ! version[0]
(version[0] == 5 && version[1] >= 7) || version[0] >= 6
end
|
#supports_savepoints? ⇒ Boolean
281
282
283
|
# File 'lib/arjdbc/mysql/adapter.rb', line 281
def supports_savepoints?
true
end
|
#supports_transaction_isolation?(level = nil) ⇒ Boolean
252
253
254
255
256
257
|
# File 'lib/arjdbc/mysql/adapter.rb', line 252
def supports_transaction_isolation?
version[0] && version[0] >= 5
end
|
#supports_views? ⇒ Boolean
260
261
262
|
# File 'lib/arjdbc/mysql/adapter.rb', line 260
def supports_views?
version[0] && version[0] >= 5
end
|
#translate_exception(exception, message) ⇒ Object
801
802
803
804
805
806
807
808
809
810
811
812
|
# File 'lib/arjdbc/mysql/adapter.rb', line 801
def translate_exception(exception, message)
return super unless exception.respond_to?(:errno)
case exception.errno
when 1062
::ActiveRecord::RecordNotUnique.new(message, exception)
when 1452
::ActiveRecord::InvalidForeignKey.new(message, exception)
else
super
end
end
|
#truncate(table_name, name = nil) ⇒ Object
507
508
509
|
# File 'lib/arjdbc/mysql/adapter.rb', line 507
def truncate(table_name, name = nil)
execute "TRUNCATE TABLE #{quote_table_name(table_name)}", name
end
|
#type_to_sql(type, limit = nil, precision = nil, scale = nil) ⇒ Object
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
|
# File 'lib/arjdbc/mysql/adapter.rb', line 666
def type_to_sql(type, limit = nil, precision = nil, scale = nil)
case type.to_s
when 'binary'
case limit
when 0..0xfff; "varbinary(#{limit})"
when nil; "blob"
when 0x1000..0xffffffff; "blob(#{limit})"
else raise ActiveRecordError, "No binary type has character length #{limit}"
end
when 'integer'
case limit
when 1; 'tinyint'
when 2; 'smallint'
when 3; 'mediumint'
when nil, 4, 11; 'int(11)' when 5..8; 'bigint'
else raise ActiveRecordError, "No integer type has byte size #{limit}"
end
when 'text'
case limit
when 0..0xff; 'tinytext'
when nil, 0x100..0xffff; 'text'
when 0x10000..0xffffff; 'mediumtext'
when 0x1000000..0xffffffff; 'longtext'
else raise ActiveRecordError, "No text type has character length #{limit}"
end
else
super
end
end
|
#update_sql(sql, name = nil) ⇒ Object
311
312
313
|
# File 'lib/arjdbc/mysql/adapter.rb', line 311
def update_sql(sql, name = nil)
super
end
|
#valid_type?(type) ⇒ Boolean
703
704
705
|
# File 'lib/arjdbc/mysql/adapter.rb', line 703
def valid_type?(type)
! native_database_types[type].nil?
end
|