Class: Sequel::Dataset

Inherits:
Object
  • Object
show all
Defined in:
lib/chicago/core_ext/sequel/sql.rb,
lib/chicago/core_ext/sequel/dataset.rb

Constant Summary collapse

COLUMN_DISTINCT = 
"DISTINCT ".freeze

Instance Method Summary collapse

Instance Method Details

#distinct_expression_sql(e) ⇒ Object 



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# File 'lib/chicago/core_ext/sequel/sql.rb', line 6

def distinct_expression_sql(e)
  s = ""
  distinct_expression_sql_append(s, e)
  s
end

#distinct_expression_sql_append(sql, e) ⇒ Object 



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# File 'lib/chicago/core_ext/sequel/sql.rb', line 12

def distinct_expression_sql_append(sql, e)
  sql << COLUMN_DISTINCT
  literal_append(sql, e.expression)
end

#insert_replace ⇒ Object 



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# File 'lib/chicago/core_ext/sequel/dataset.rb', line 3

def insert_replace
  clone(:replace => true)
end

#literal_append(sql, expression) ⇒ Object 



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# File 'lib/chicago/core_ext/sequel/sql.rb', line 19

def literal_append(sql, expression)
  sql << literal(expression)
end