Class: Sequel::Firebird::Dataset

### Home Classes Methods

### In Files

- lib/sequel/adapters/firebird.rb

### Parent

Sequel::Dataset

### Methods

- #fetch_rows
- #insert
- #insert_returning_pk_sql
- #insert_returning_sql
- #insert_select
- #requires_sql_standard_datetimes?
- #select_clause_methods
- #select_limit_sql
- #supports_intersect_except?

### Files

- CHANGELOG
- COPYING
- README.rdoc
- advanced_associations.rdoc
- association_basics.rdoc
- cheat_sheet.rdoc
- dataset_basics.rdoc
- dataset_filtering.rdoc
- migration.rdoc
- model_hooks.rdoc
- opening_databases.rdoc
- prepared_statements.rdoc
- querying.rdoc
- reflection.rdoc
- 1.0.txt
- 1.1.txt
- 1.3.txt
- 1.4.0.txt
- 1.5.0.txt
- 2.0.0.txt
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- 2.10.0.txt
- 2.11.0.txt
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- 2.5.0.txt
- 2.6.0.txt
- 2.7.0.txt
- 2.8.0.txt
- 2.9.0.txt
- 3.0.0.txt
- 3.1.0.txt
- 3.10.0.txt
- 3.11.0.txt
- 3.12.0.txt
- 3.2.0.txt
- 3.3.0.txt
- 3.4.0.txt
- 3.5.0.txt
- 3.6.0.txt
- 3.7.0.txt
- 3.8.0.txt
- 3.9.0.txt
- sharding.rdoc
- sql.rdoc
- virtual_rows.rdoc

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# Sequel::Firebird::Dataset

Dataset class for Firebird datasets

### Constants

BOOL_FALSE
BOOL_TRUE
COMMA_SEPARATOR
NULL
SELECT_CLAUSE_METHODS

### Public Instance Methods

fetch_rows(sql, &block) click to toggle source

Yield all rows returned by executing the given SQL and converting the types.

    # File lib/sequel/adapters/firebird.rb, line 204
    def fetch_rows(sql, &block)
      execute(sql) do |s|
        begin
          @columns = s.fields.map{|c| output_identifier(c.name)}
          s.fetchall(:symbols_hash).each do |r|
            h = {}
            r.each{|k,v| h[output_identifier(k)] = v}
            yield h
          end
        ensure
          s.close
        end
      end
      self
    end

insert(*values) click to toggle source

Insert given values into the database.

    # File lib/sequel/adapters/firebird.rb, line 221
    def insert(*values)
      if !@opts[:sql]
        clone(default_server_opts(:sql=>insert_returning_pk_sql(*values))).single_value
      else
        execute_insert(insert_sql(*values), :table=>opts[:from].first,
          :values=>values.size == 1 ? values.first : values)
      end
    end

insert_returning_pk_sql(*values) click to toggle source

Use the RETURNING clause to return the primary key of the inserted record, if it exists

    # File lib/sequel/adapters/firebird.rb, line 231
    def insert_returning_pk_sql(*values)
      pk = db.primary_key(opts[:from].first)
      insert_returning_sql(pk ? Sequel::SQL::Identifier.new(pk) : NULL, *values)
    end

insert_returning_sql(returning, *values) click to toggle source

Use the RETURNING clause to return the columns listed in returning.

    # File lib/sequel/adapters/firebird.rb, line 237
    def insert_returning_sql(returning, *values)
      "#{insert_sql(*values)} RETURNING #{column_list(Array(returning))}"
    end

insert_select(*values) click to toggle source

Insert a record returning the record inserted

    # File lib/sequel/adapters/firebird.rb, line 242
    def insert_select(*values)
      naked.clone(default_server_opts(:sql=>insert_returning_sql(nil, *values))).single_record
    end

requires_sql_standard_datetimes?() click to toggle source

    # File lib/sequel/adapters/firebird.rb, line 246
    def requires_sql_standard_datetimes?
      true
    end

select_clause_methods() click to toggle source

The order of clauses in the SELECT SQL statement

    # File lib/sequel/adapters/firebird.rb, line 251
    def select_clause_methods
      SELECT_CLAUSE_METHODS
    end

select_limit_sql(sql) click to toggle source

    # File lib/sequel/adapters/firebird.rb, line 255
    def select_limit_sql(sql)
      sql << " FIRST #{@opts[:limit]}" if @opts[:limit]
      sql << " SKIP #{@opts[:offset]}" if @opts[:offset]
    end

supports_intersect_except?() click to toggle source

Firebird does not support INTERSECT or EXCEPT

    # File lib/sequel/adapters/firebird.rb, line 261
    def supports_intersect_except?
      false
    end

[Validate]

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