Class: Sequel::DB2::Database
- Inherits:
-
Sequel::Database
- Object
- Sequel::Database
- Sequel::DB2::Database
- Includes:
- DB2CLI
- Defined in:
- lib/sequel_core/adapters/db2.rb
Constant Summary
Constants inherited from Sequel::Database
Sequel::Database::ADAPTERS, Sequel::Database::SQL_BEGIN, Sequel::Database::SQL_COMMIT, Sequel::Database::SQL_ROLLBACK
Constants included from Schema::SQL
Schema::SQL::AUTOINCREMENT, Schema::SQL::CASCADE, Schema::SQL::COMMA_SEPARATOR, Schema::SQL::NOT_NULL, Schema::SQL::NO_ACTION, Schema::SQL::NULL, Schema::SQL::PRIMARY_KEY, Schema::SQL::RESTRICT, Schema::SQL::SET_DEFAULT, Schema::SQL::SET_NULL, Schema::SQL::TYPES, Schema::SQL::UNDERSCORE, Schema::SQL::UNIQUE, Schema::SQL::UNSIGNED
Instance Attribute Summary
Attributes inherited from Sequel::Database
#loggers, #opts, #pool, #quote_identifiers
Instance Method Summary collapse
-
#check_error(rc, msg) ⇒ Object
AUTO_INCREMENT = ‘IDENTITY(1,1)’.freeze.
- #connect ⇒ Object
- #dataset(opts = nil) ⇒ Object
- #disconnect ⇒ Object
- #execute(sql, &block) ⇒ Object (also: #do)
- #test_connection ⇒ Object
Methods inherited from Sequel::Database
#<<, #[], adapter_class, adapter_scheme, #add_column, #add_index, #alter_table, connect, #create_or_replace_view, #create_table, #create_table!, #create_view, #drop_column, #drop_index, #drop_table, #drop_view, #fetch, #from, #get, #initialize, #inspect, #log_info, #logger, #logger=, #multi_threaded?, #query, quote_identifiers=, #quote_identifiers?, #rename_column, #rename_table, #select, #serial_primary_key_options, #set_column_default, #set_column_type, single_threaded=, #single_threaded?, #synchronize, #table_exists?, #transaction, #typecast_value, #uri, uri_to_options
Methods included from Schema::SQL
#alter_table_sql, #alter_table_sql_list, #auto_increment_sql, #column_definition_sql, #column_list_sql, #constraint_definition_sql, #create_table_sql_list, #default_index_name, #drop_table_sql, #filter_expr, #index_definition_sql, #index_list_sql_list, #literal, #on_delete_clause, #quote_identifier, #rename_table_sql, #schema, #schema_utility_dataset, #type_literal
Constructor Details
This class inherits a constructor from Sequel::Database
Instance Method Details
#check_error(rc, msg) ⇒ Object
AUTO_INCREMENT = ‘IDENTITY(1,1)’.freeze
def auto_increment_sql
AUTO_INCREMENT
end
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# File 'lib/sequel_core/adapters/db2.rb', line 15 def check_error(rc, msg) case rc when SQL_SUCCESS, SQL_SUCCESS_WITH_INFO nil else raise Error, msg end end |
#connect ⇒ Object
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# File 'lib/sequel_core/adapters/db2.rb', line 27 def connect rc, dbc = SQLAllocHandle(SQL_HANDLE_DBC, @@env) check_error(rc, "Could not allocate database connection") rc = SQLConnect(dbc, @opts[:database], @opts[:user], @opts[:password]) check_error(rc, "Could not connect to database") dbc end |
#dataset(opts = nil) ⇒ Object
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# File 'lib/sequel_core/adapters/db2.rb', line 52 def dataset(opts = nil) DB2::Dataset.new(self, opts) end |
#disconnect ⇒ Object
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# File 'lib/sequel_core/adapters/db2.rb', line 37 def disconnect @pool.disconnect do |conn| rc = SQLDisconnect(conn) check_error(rc, "Could not disconnect from database") rc = SQLFreeHandle(SQL_HANDLE_DBC, conn) check_error(rc, "Could not free Database handle") end end |
#execute(sql, &block) ⇒ Object Also known as: do
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# File 'lib/sequel_core/adapters/db2.rb', line 56 def execute(sql, &block) log_info(sql) @pool.hold do |conn| rc, sth = SQLAllocHandle(SQL_HANDLE_STMT, @handle) check_error(rc, "Could not allocate statement") begin rc = SQLExecDirect(sth, sql) check_error(rc, "Could not execute statement") block[sth] if block rc, rpc = SQLRowCount(sth) check_error(rc, "Could not get RPC") rpc ensure rc = SQLFreeHandle(SQL_HANDLE_STMT, sth) check_error(rc, "Could not free statement") end end end |
#test_connection ⇒ Object
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# File 'lib/sequel_core/adapters/db2.rb', line 47 def test_connection @pool.hold {|conn|} true end |