Class: Mkxms::Mssql::DatabaseHandler
- Inherits:
-
Object
- Object
- Mkxms::Mssql::DatabaseHandler
- Extended by:
- Utils::InitializedAttributes
- Defined in:
- lib/mkxms/mssql/database_handler.rb
Defined Under Namespace
Classes: IgnoreText
Constant Summary collapse
- ADOPTION_SQL_FILE =
"adopt.sql"
- DRY_RUN_MARKER =
"for dry run"
Instance Attribute Summary collapse
-
#schema_dir ⇒ Object
readonly
Returns the value of attribute schema_dir.
Instance Method Summary collapse
- #create_adoption_script ⇒ Object
- #create_migration(summary, description, sql, change_targets) ⇒ Object
- #create_source_files ⇒ Object
- #handle_check_constraint_element(parse) ⇒ Object
- #handle_clr_aggregate_element(parse) ⇒ Object
- #handle_clr_assembly_element(parse) ⇒ Object
- #handle_clr_function_element(parse) ⇒ Object
- #handle_clr_stored_procedure_element(parse) ⇒ Object
- #handle_clr_type_element(parse) ⇒ Object
- #handle_database_element(parse) ⇒ Object
- #handle_default_constraint_element(parse) ⇒ Object
- #handle_denied_element(parse) ⇒ Object
- #handle_dml_trigger_element(parse) ⇒ Object
- #handle_filegroup_element(parse) ⇒ Object
- #handle_foreign_key_element(parse) ⇒ Object
- #handle_fulltext_document_type_element(parse) ⇒ Object
- #handle_granted_element(parse) ⇒ Object
- #handle_index_element(parse) ⇒ Object
- #handle_primary_key_element(parse) ⇒ Object
- #handle_role_element(parse) ⇒ Object
- #handle_schema_element(parse) ⇒ Object
- #handle_statistics_element(parse) ⇒ Object
- #handle_stored_procedure_element(parse) ⇒ Object
- #handle_synonym_element(parse) ⇒ Object
- #handle_table_element(parse) ⇒ Object
- #handle_table_type_element(parse) ⇒ Object
- #handle_type_element(parse) ⇒ Object
- #handle_unique_constraint_element(parse) ⇒ Object
- #handle_user_defined_function_element(parse) ⇒ Object
- #handle_view_element(parse) ⇒ Object
-
#initialize(**kwargs) ⇒ DatabaseHandler
constructor
A new instance of DatabaseHandler.
- #joined_modobj_sql(ary, sep: "\n") ⇒ Object
- #migration_chain ⇒ Object
- #write_access_def(access_obj, obj_type) ⇒ Object
- #write_index_def(index) ⇒ Object
- #write_statistics ⇒ Object
Methods included from Utils::InitializedAttributes
Methods included from ExtendedProperties
Methods included from PropertyHandler::ElementHandler
Constructor Details
#initialize(**kwargs) ⇒ DatabaseHandler
Returns a new instance of DatabaseHandler.
56 57 58 |
# File 'lib/mkxms/mssql/database_handler.rb', line 56 def initialize(**kwargs) @schema_dir = kwargs[:schema_dir] || Pathname.pwd end |
Instance Attribute Details
#schema_dir ⇒ Object (readonly)
Returns the value of attribute schema_dir.
60 61 62 |
# File 'lib/mkxms/mssql/database_handler.rb', line 60 def schema_dir @schema_dir end |
Instance Method Details
#create_adoption_script ⇒ Object
452 453 454 455 456 457 458 |
# File 'lib/mkxms/mssql/database_handler.rb', line 452 def create_adoption_script adoption_script_path = @schema_dir.join(ADOPTION_SQL_FILE) writer = AdoptionScriptWriter.new(self) writer.create_script adoption_script_path end |
#create_migration(summary, description, sql, change_targets) ⇒ Object
384 385 386 387 388 389 390 391 |
# File 'lib/mkxms/mssql/database_handler.rb', line 384 def create_migration(summary, description, sql, change_targets) migration_chain.add_migration( summary, description: description, sql: sql, changes: change_targets ) end |
#create_source_files ⇒ Object
181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 |
# File 'lib/mkxms/mssql/database_handler.rb', line 181 def create_source_files dbinfo_path = @schema_dir.join(XMigra::SchemaManipulator::DBINFO_FILE) if dbinfo_path.exist? if dbinfo_path.open {|f| YAML.load(f)[DRY_RUN_MARKER]} # Delete everything in the source files, so we can do a dry run over @schema_dir.each_child {|e| e.rmtree} else raise ProgramArgumentError.new("#{@schema_dir} already contains an XMigra schema") end end # TODO: Sort dependencies of triggers, views, user defined functions, and # stored procedures to determine which ones must be incorporated into a # migration (all the ones depended on by any triggers). # Create schema_dir if it does not exist @schema_dir.mkpath # Create and populate @schema_dir + XMigra::SchemaManipulator::DBINFO_FILE dbinfo_path.open('w') do |dbi| dbi.puts "system: #{XMigra::MSSQLSpecifics::SYSTEM_NAME}" if Utils.dry_run? dbi.puts "#{DRY_RUN_MARKER}: true" end end # TODO: Create migration to check required filegroups and files # Migration: Check CLR assemblies create_migration( "check-clr-assemblies", "Check expected CLR assemblies have been created.", ClrAssembly.setup_sql + "\n" + joined_modobj_sql(clr_assemblies), clr_assemblies.map(&:name).sort ) # Migration: Create roles create_migration( "create-roles", "Create roles for accessing the database.", (roles.map(&:definition_sql) + roles.map(&:authorization_sql).compact + roles.map(&:membership_sql)).join("\n"), roles.map(&:name).sort ) # Migration: Create schemas create_migration( "create-schemas", "Create schemas for containing database objects and controlling access.", joined_modobj_sql(schemas, sep: "\nGO\n"), schemas.map(&:name).sort ) # Migration: Create scalar types create_migration( "create-scalar-types", "Create user-defined scalar types.", joined_modobj_sql(types), types.map {|t| [t.schema, t.qualified_name]}.flatten.uniq.sort ) # Migration: Create synonyms create_migration( "create-synonyms", "Create synonyms for other objects in the database.", joined_modobj_sql(synonyms), synonyms.map {|s| [s.schema, s.qualified_name]}.flatten ) # Migration: Create CLR types that don't exist create_migration( "create-clr-types", "Create CLR types (unless already existing).", ClrType.setup_sql + "\n" + joined_modobj_sql(clr_types), clr_types.map(&:qualified_name).sort ) tables.each do |table| # Migration: Create table qual_name = [table.schema, table.name].join('.') create_migration( "create-table #{qual_name}", "Create #{qual_name} table.", table.to_sql, [table.schema, qual_name] ) end # Migration: Add column defaults create_migration( "add-column-defaults", "Add default constraints to table columns.", joined_modobj_sql(column_defaults), column_defaults.map {|d| [d.schema, d.qualified_table, d.qualified_column, d.qualified_name].compact}.flatten.uniq.sort ) # Migration: Add primary key and unique constraints create_migration( "add-primary-key-and-unique-constraints", "Add primary key and unique constraints.", joined_modobj_sql(pku_constraints), pku_constraints.map {|c| [c.schema, c.qualified_table, c.qualified_name].compact}.flatten.uniq.sort ) # Migration: Add foreign key constraints create_migration( "add-foreign-key-constraints", "Add foreign key constraints.", joined_modobj_sql(foreign_keys), foreign_keys.map {|c| [c.schema, c.qualified_table, c.qualified_name].compact}.flatten.uniq.sort ) # Migration: Add check constraints create_migration( "add-check-constraints", "Add check constraints.", joined_modobj_sql(check_constraints), check_constraints.map {|c| [c.schema, c.qualified_table, c.qualified_name].compact}.flatten.uniq.sort ) # Migration: Add DML triggers create_migration( "add-triggers", "Add triggers.", joined_modobj_sql(dml_triggers, sep: DmlTriggerHandler.ddl_block_separator) + "\n", dml_triggers.map do |t| [t.schema, t.table.qualified_name, t.qualified_name].compact end.flatten.uniq.sort ) unless dml_triggers.empty? # Check that no super-permissions reference a view, user-defined function, or stored procedure access_object_names = (views + udfs + procedures).map {|ao| ao.qualified_name} .map {|p| p.}.flatten.select do |p| access_object_names.include?(p.target) end.group_by {|p| p.target}.tap do |problems| raise UnsupportedFeatureError.new( "#{problems[0].target} cannot be granted the required permission(s)." ) if problems.length == 1 raise UnsupportedFeatureError.new( ( ["The required permissions cannot be granted on:"] + problems.map {|p| ' ' + p.target} ).join("\n") ) unless problems.empty? end # Write a migration with all super-permissions = .map {|p| p.}.inject([], :concat) create_migration( "add-super-permissions", "Add permissions that confound the normal GRANT model.", .join("\n"), .map {|p| p..map(&:unscoped_target)}.flatten.uniq.sort ) unless .empty? indexes.each do |index| write_index_def(index) end write_statistics aggregates.each do |agg| create_migration( "register-#{agg.qualified_name}-aggregate", "Register the CLR aggregate function #{agg.qualified_name}", agg.to_sql.join("\nGO\n"), [agg.schema, agg.qualified_name] ) end views.each do |view| write_access_def(view, 'view') end udfs.each do |udf| write_access_def(udf, 'function') end procedures.each do |procedure| write_access_def(procedure, 'stored procedure') end @schema_dir.join(XMigra::SchemaManipulator::PERMISSIONS_FILE).open('w') do |p_file| YAML.dump( .map do |p| p..map do |k, v| [k, {XMigra::MSSQLSpecifics.strip_identifier_quoting(p.subject) => v}] end.to_h end.inject({}) do |r, n| r.update(n) {|k, lv, rv| lv.merge rv} end, p_file ) end create_adoption_script end |
#handle_check_constraint_element(parse) ⇒ Object
121 122 123 |
# File 'lib/mkxms/mssql/database_handler.rb', line 121 def handle_check_constraint_element(parse) parse.delegate_to CheckConstraintHandler, check_constraints end |
#handle_clr_aggregate_element(parse) ⇒ Object
153 154 155 |
# File 'lib/mkxms/mssql/database_handler.rb', line 153 def handle_clr_aggregate_element(parse) parse.delegate_to ClrArggregateHandler, aggregates end |
#handle_clr_assembly_element(parse) ⇒ Object
165 166 167 |
# File 'lib/mkxms/mssql/database_handler.rb', line 165 def handle_clr_assembly_element(parse) parse.delegate_to ClrAssemblyHandler, clr_assemblies end |
#handle_clr_function_element(parse) ⇒ Object
149 150 151 |
# File 'lib/mkxms/mssql/database_handler.rb', line 149 def handle_clr_function_element(parse) parse.delegate_to ClrFunctionHandler, udfs end |
#handle_clr_stored_procedure_element(parse) ⇒ Object
141 142 143 |
# File 'lib/mkxms/mssql/database_handler.rb', line 141 def handle_clr_stored_procedure_element(parse) parse.delegate_to ClrStoredProcedureHandler, procedures end |
#handle_clr_type_element(parse) ⇒ Object
169 170 171 |
# File 'lib/mkxms/mssql/database_handler.rb', line 169 def handle_clr_type_element(parse) parse.delegate_to ClrTypeHandler, clr_types end |
#handle_database_element(parse) ⇒ Object
74 75 |
# File 'lib/mkxms/mssql/database_handler.rb', line 74 def handle_database_element(parse) end |
#handle_default_constraint_element(parse) ⇒ Object
105 106 107 |
# File 'lib/mkxms/mssql/database_handler.rb', line 105 def handle_default_constraint_element(parse) parse.delegate_to DefaultConstraintHandler, column_defaults end |
#handle_denied_element(parse) ⇒ Object
161 162 163 |
# File 'lib/mkxms/mssql/database_handler.rb', line 161 def handle_denied_element(parse) parse.delegate_to PermissionHandler, end |
#handle_dml_trigger_element(parse) ⇒ Object
173 174 175 |
# File 'lib/mkxms/mssql/database_handler.rb', line 173 def handle_dml_trigger_element(parse) parse.delegate_to DmlTriggerHandler, dml_triggers end |
#handle_filegroup_element(parse) ⇒ Object
77 78 79 |
# File 'lib/mkxms/mssql/database_handler.rb', line 77 def handle_filegroup_element(parse) parse.delegate_to FilegroupHandler, filegroups end |
#handle_foreign_key_element(parse) ⇒ Object
113 114 115 |
# File 'lib/mkxms/mssql/database_handler.rb', line 113 def handle_foreign_key_element(parse) parse.delegate_to ForeignKeyHandler, foreign_keys end |
#handle_fulltext_document_type_element(parse) ⇒ Object
81 82 83 |
# File 'lib/mkxms/mssql/database_handler.rb', line 81 def handle_fulltext_document_type_element(parse) # TODO: Check that these types are registered in the target instance end |
#handle_granted_element(parse) ⇒ Object
157 158 159 |
# File 'lib/mkxms/mssql/database_handler.rb', line 157 def handle_granted_element(parse) parse.delegate_to PermissionHandler, end |
#handle_index_element(parse) ⇒ Object
125 126 127 |
# File 'lib/mkxms/mssql/database_handler.rb', line 125 def handle_index_element(parse) parse.delegate_to IndexHandler, indexes end |
#handle_primary_key_element(parse) ⇒ Object
109 110 111 |
# File 'lib/mkxms/mssql/database_handler.rb', line 109 def handle_primary_key_element(parse) parse.delegate_to PrimaryKeyHandler, pku_constraints end |
#handle_role_element(parse) ⇒ Object
97 98 99 |
# File 'lib/mkxms/mssql/database_handler.rb', line 97 def handle_role_element(parse) parse.delegate_to RoleHandler, roles end |
#handle_schema_element(parse) ⇒ Object
85 86 87 |
# File 'lib/mkxms/mssql/database_handler.rb', line 85 def handle_schema_element(parse) parse.delegate_to SchemaHandler, schemas end |
#handle_statistics_element(parse) ⇒ Object
129 130 131 |
# File 'lib/mkxms/mssql/database_handler.rb', line 129 def handle_statistics_element(parse) parse.delegate_to StatisticsHandler, statistics end |
#handle_stored_procedure_element(parse) ⇒ Object
137 138 139 |
# File 'lib/mkxms/mssql/database_handler.rb', line 137 def handle_stored_procedure_element(parse) parse.delegate_to StoredProcedureHandler, procedures end |
#handle_synonym_element(parse) ⇒ Object
177 178 179 |
# File 'lib/mkxms/mssql/database_handler.rb', line 177 def handle_synonym_element(parse) parse.delegate_to SynonymHandler, synonyms end |
#handle_table_element(parse) ⇒ Object
101 102 103 |
# File 'lib/mkxms/mssql/database_handler.rb', line 101 def handle_table_element(parse) parse.delegate_to TableHandler, tables end |
#handle_table_type_element(parse) ⇒ Object
93 94 95 |
# File 'lib/mkxms/mssql/database_handler.rb', line 93 def handle_table_type_element(parse) parse.delegate_to TableTypeHandler, types end |
#handle_type_element(parse) ⇒ Object
89 90 91 |
# File 'lib/mkxms/mssql/database_handler.rb', line 89 def handle_type_element(parse) parse.delegate_to ScalarTypeHandler, types end |
#handle_unique_constraint_element(parse) ⇒ Object
117 118 119 |
# File 'lib/mkxms/mssql/database_handler.rb', line 117 def handle_unique_constraint_element(parse) parse.delegate_to UniqueConstraintHandler, pku_constraints end |
#handle_user_defined_function_element(parse) ⇒ Object
145 146 147 |
# File 'lib/mkxms/mssql/database_handler.rb', line 145 def handle_user_defined_function_element(parse) parse.delegate_to FunctionHandler, udfs end |
#handle_view_element(parse) ⇒ Object
133 134 135 |
# File 'lib/mkxms/mssql/database_handler.rb', line 133 def handle_view_element(parse) parse.delegate_to ViewHandler, views end |
#joined_modobj_sql(ary, sep: "\n") ⇒ Object
393 394 395 |
# File 'lib/mkxms/mssql/database_handler.rb', line 393 def joined_modobj_sql(ary, sep: "\n") ary.map(&:to_sql).join(sep) end |
#migration_chain ⇒ Object
380 381 382 |
# File 'lib/mkxms/mssql/database_handler.rb', line 380 def migration_chain @migration_chain ||= XMigra::NewMigrationAdder.new(@schema_dir) end |
#write_access_def(access_obj, obj_type) ⇒ Object
397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 |
# File 'lib/mkxms/mssql/database_handler.rb', line 397 def write_access_def(access_obj, obj_type) # Use Psych mid-level emitting API to specify literal syntax for SQL def_tree = Psych::Nodes::Mapping.new ["define", obj_type, "sql"].each do |s| def_tree.children << Psych::Nodes::Scalar.new(s) end def_tree.children << Psych::Nodes::Scalar.new(access_obj.to_sql, nil, nil, false, true, Psych::Nodes::Scalar::LITERAL) unless (references = access_obj.respond_to?(:references) ? access_obj.references : []).empty? def_tree.children << Psych::Nodes::Scalar.new('referencing') def_tree.children << (ref_seq = Psych::Nodes::Sequence.new) references.each do |r| ref_seq.children << Psych::Nodes::Scalar.new(r) end end def_doc = Psych::Nodes::Document.new def_doc.children << def_tree def_stream = Psych::Nodes::Stream.new def_stream.children << def_doc access_dir = @schema_dir.join(XMigra::SchemaManipulator::ACCESS_SUBDIR) access_dir.mkpath access_dir.join(access_obj.qualified_name + '.yaml').open('w') do |ao_file| def_str = def_stream.to_yaml(nil, line_width: -1) ao_file.puts(def_str) end end |
#write_index_def(index) ⇒ Object
426 427 428 429 430 431 432 433 434 435 436 437 438 |
# File 'lib/mkxms/mssql/database_handler.rb', line 426 def write_index_def(index) indexes_dir = @schema_dir.join(XMigra::SchemaManipulator::INDEXES_SUBDIR) indexes_dir.mkpath index_path = indexes_dir.join(index.name + '.yaml') raise UnsupportedFeatureError.new( "Index file #{index_path} already exists." ) if index_path.exist? index_path.open('w') do |index_file| YAML.dump({'sql' => index.to_sql}, index_file, line_width: -1) end end |
#write_statistics ⇒ Object
440 441 442 443 444 445 446 447 448 449 450 |
# File 'lib/mkxms/mssql/database_handler.rb', line 440 def write_statistics statistics_path = @schema_dir.join(XMigra::MSSQLSpecifics::STATISTICS_FILE) statistics_path.open('w') do |stats_file| YAML.dump( Hash[statistics.map(&:name_params_pair)], stats_file, line_width: -1 ) end end |