Class: PGlite::Result

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/pglite/result.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(res) ⇒ Result

A wrapper for a result object from Oxide



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# File 'lib/pglite/result.rb', line 8

def initialize(res)
  @res = res
end

Instance Attribute Details

#res ⇒ Object (readonly)

Returns the value of attribute res.



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# File 'lib/pglite/result.rb', line 5

def res
  @res
end

Instance Method Details

#check ⇒ Object

Rails calls result.check to raise on server errors; already handled upstream.



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# File 'lib/pglite/result.rb', line 33

def check = self

#clear ⇒ Object 



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# File 'lib/pglite/result.rb', line 35

def clear
end

#cmd_tuples ⇒ Object 



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# File 'lib/pglite/result.rb', line 24

def cmd_tuples = res.row_count

#each ⇒ Object 



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# File 'lib/pglite/result.rb', line 40

def each
  return to_enum(:each) unless block_given?

  columns = fields
  res.rows.each do |res_row|
    row = {}
    columns.each.with_index do |col, i|
      value = res_row[i]
      row[col] = value
    end
    yield row
  end
end

#fields ⇒ Object 



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# File 'lib/pglite/result.rb', line 18

def fields = res.columns.map(&:name)

#fmod(index) ⇒ Object 



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# File 'lib/pglite/result.rb', line 22

def fmod(index) = res.columns[index].type_modifier

#ftype(index) ⇒ Object 



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# File 'lib/pglite/result.rb', line 20

def ftype(index) = res.columns[index].oid

#map_types!(map) ⇒ Object 



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# File 'lib/pglite/result.rb', line 12

def map_types!(map)
  self
end

#ntuples ⇒ Object 



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# File 'lib/pglite/result.rb', line 26

def ntuples = res.row_count

#result_status ⇒ Object

Rails' get_result loop compares against PG::PGRES_FATAL_ERROR; pglite raises PG::Error at query time, so any result reaching here is non-fatal.



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# File 'lib/pglite/result.rb', line 30

def result_status = PG::PGRES_TUPLES_OK

#values ⇒ Object 



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# File 'lib/pglite/result.rb', line 16

def values = res.rows