Class: Sequel::DB2::Database
- Inherits:
-
Sequel::Database
- Object
- Sequel::Database
- Sequel::DB2::Database
- Includes:
- DatabaseMethods
- Defined in:
- lib/sequel/adapters/db2.rb
Constant Summary collapse
- TEMPORARY =
'GLOBAL TEMPORARY '.freeze
- ERROR_MAP =
{}
- DatasetClass =
self
Constants included from DatabaseMethods
Sequel::DB2::DatabaseMethods::AUTOINCREMENT, Sequel::DB2::DatabaseMethods::NOT_NULL, Sequel::DB2::DatabaseMethods::NULL
Constants inherited from Sequel::Database
Sequel::Database::ADAPTERS, Sequel::Database::AUTOINCREMENT, Sequel::Database::CASCADE, Sequel::Database::COLUMN_DEFINITION_ORDER, Sequel::Database::COMMA_SEPARATOR, Sequel::Database::MSSQL_DEFAULT_RE, Sequel::Database::MYSQL_TIMESTAMP_RE, Sequel::Database::NOT_NULL, Sequel::Database::NO_ACTION, Sequel::Database::NULL, Sequel::Database::POSTGRES_DEFAULT_RE, Sequel::Database::PRIMARY_KEY, Sequel::Database::RESTRICT, Sequel::Database::SET_DEFAULT, Sequel::Database::SET_NULL, Sequel::Database::SQL_BEGIN, Sequel::Database::SQL_COMMIT, Sequel::Database::SQL_RELEASE_SAVEPOINT, Sequel::Database::SQL_ROLLBACK, Sequel::Database::SQL_ROLLBACK_TO_SAVEPOINT, Sequel::Database::SQL_SAVEPOINT, Sequel::Database::STRING_DEFAULT_RE, Sequel::Database::TRANSACTION_BEGIN, Sequel::Database::TRANSACTION_COMMIT, Sequel::Database::TRANSACTION_ISOLATION_LEVELS, Sequel::Database::TRANSACTION_ROLLBACK, Sequel::Database::UNDERSCORE, Sequel::Database::UNIQUE, Sequel::Database::UNSIGNED
Instance Attribute Summary collapse
-
#conversion_procs ⇒ Object
readonly
Hash of connection procs for converting.
Attributes inherited from Sequel::Database
#dataset_class, #default_schema, #log_warn_duration, #loggers, #opts, #pool, #prepared_statements, #sql_log_level, #timezone, #transaction_isolation_level
Instance Method Summary collapse
- #check_error(rc, msg) ⇒ Object
- #checked_error(msg) ⇒ Object
- #connect(server) ⇒ Object
- #execute(sql, opts = {}, &block) ⇒ Object (also: #do)
- #execute_insert(sql, opts = {}) ⇒ Object
-
#initialize(opts = {}) ⇒ Database
constructor
A new instance of Database.
- #to_application_timestamp_db2(v) ⇒ Object
Methods included from DatabaseMethods
#database_type, #db2_version, #indexes, #schema_parse_table, #tables, #views
Methods inherited from Sequel::Database
#<<, #[], adapter_class, #adapter_scheme, adapter_scheme, #add_column, #add_index, #add_servers, #after_commit, #after_rollback, #alter_table, #call, #cast_type_literal, connect, #create_or_replace_view, #create_table, #create_table!, #create_table?, #create_view, #database_type, #dataset, #disconnect, #drop_column, #drop_index, #drop_table, #drop_view, #dump_indexes_migration, #dump_schema_migration, #dump_table_schema, #each_server, #execute_ddl, #execute_dui, #extend_datasets, #fetch, #from, #from_application_timestamp, #get, #identifier_input_method, identifier_input_method, identifier_input_method=, #identifier_input_method=, #identifier_output_method, identifier_output_method, identifier_output_method=, #identifier_output_method=, #in_transaction?, #indexes, #inspect, #literal, #log_info, #log_yield, #logger=, #query, #quote_identifiers=, quote_identifiers=, #quote_identifiers?, #remove_servers, #rename_column, #rename_table, #run, #schema, #select, #serial_primary_key_options, #servers, #set_column_default, #set_column_type, single_threaded=, #single_threaded?, #supports_create_table_if_not_exists?, #supports_prepared_transactions?, #supports_savepoints?, #supports_transaction_isolation_levels?, #synchronize, #table_exists?, #tables, #test_connection, #to_application_timestamp, #transaction, #typecast_value, #uri, #url, #views
Methods included from Metaprogramming
Constructor Details
Instance Attribute Details
#conversion_procs ⇒ Object (readonly)
Hash of connection procs for converting
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# File 'lib/sequel/adapters/db2.rb', line 45 def conversion_procs @conversion_procs end |
Instance Method Details
#check_error(rc, msg) ⇒ Object
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# File 'lib/sequel/adapters/db2.rb', line 87 def check_error(rc, msg) case rc when DB2CLI::SQL_SUCCESS, DB2CLI::SQL_SUCCESS_WITH_INFO, DB2CLI::SQL_NO_DATA_FOUND nil when DB2CLI::SQL_INVALID_HANDLE, DB2CLI::SQL_STILL_EXECUTING e = DB2Error.new("#{ERROR_MAP[rc]}: #{msg}") e.set_backtrace(caller) raise_error(e, :disconnect=>true) else e = DB2Error.new("#{ERROR_MAP[rc] || "Error code #{rc}"}: #{msg}") e.set_backtrace(caller) raise_error(e, :disconnect=>true) end end |
#checked_error(msg) ⇒ Object
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# File 'lib/sequel/adapters/db2.rb', line 102 def checked_error(msg) rc, *ary= yield check_error(rc, msg) ary.length <= 1 ? ary.first : ary end |
#connect(server) ⇒ Object
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# File 'lib/sequel/adapters/db2.rb', line 53 def connect(server) opts = server_opts(server) dbc = checked_error("Could not allocate database connection"){DB2CLI.SQLAllocHandle(DB2CLI::SQL_HANDLE_DBC, NullHandle)} checked_error("Could not connect to database"){DB2CLI.SQLConnect(dbc, opts[:database], opts[:user], opts[:password])} dbc end |
#execute(sql, opts = {}, &block) ⇒ Object Also known as: do
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# File 'lib/sequel/adapters/db2.rb', line 60 def execute(sql, opts={}, &block) synchronize(opts[:server]){|conn| log_connection_execute(conn, sql, &block)} end |
#execute_insert(sql, opts = {}) ⇒ Object
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# File 'lib/sequel/adapters/db2.rb', line 65 def execute_insert(sql, opts={}) synchronize(opts[:server]) do |conn| log_connection_execute(conn, sql) sql = "SELECT IDENTITY_VAL_LOCAL() FROM SYSIBM.SYSDUMMY1" log_connection_execute(conn, sql) do |sth| name, buflen, datatype, size, digits, nullable = checked_error("Could not describe column"){DB2CLI.SQLDescribeCol(sth, 1, 256)} if DB2CLI.SQLFetch(sth) != DB2CLI::SQL_NO_DATA_FOUND v, _ = checked_error("Could not get data"){DB2CLI.SQLGetData(sth, 1, datatype, size)} if v.is_a?(String) return v.to_i else return nil end end end end end |
#to_application_timestamp_db2(v) ⇒ Object
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# File 'lib/sequel/adapters/db2.rb', line 108 def (v) (v.to_s) end |