class Babik::Selection::Operation::Hour
Hour
date operation
Public Instance Methods
sql_function()
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# File lib/babik/queryset/lib/selection/operation/date.rb, line 132 def sql_function dbms_adapter = db_engine return 'HOUR(#field)' if dbms_adapter == 'mysql2' return 'EXTRACT(HOUR FROM #field)' if dbms_adapter == 'postgresql' return 'CAST(strftime(\'%H\', #field) AS INTEGER)' if dbms_adapter == 'sqlite3' raise NotImplementedError, "#{self.class} lookup not implemented for #{dbms_adapter}" end