search for: my_row

...for German ZIP Code <--> Gauss-Krueger Coordinate System ) and want this to be selected and computed individually row by row as follows: library(RODBC) channel <- odbcConnect("database") pos_to_zip <- sqlQuery(channel, "select YPOS, XPOS FROM POSITION_to_ZIPCODE;") my_row <- pos_to_zip[1,] # get the first element (change with next ones afterwards) ypos <-my_row[1] # get the first y-position xpos <-my_row[2] # get the first X-Position So far, so good: SQL Select works and everybody is fine, but this was just the preparation for the next...

...complex SQL request to perform. I don''t want to manually do the whole query (find_by_sql) because of the complex joins, but I want to use MySQL functions, such as: Model.find(:all, :include => [../..], :conditions => ["(../..) AND YEAR(STR_TO_DATE(my_table.my_row,''%Y-%m-%d %H:%i:%s'')) = #{year})"], :select => [../..]) or Model.find(:all, :include => [../..], :conditions => ["(../..) AND YEAR(STR_TO_DATE(my_table.my_row,GET_FORMAT(DATETIME,''ISO''))) = #{year})"],...