Previous: qcons trees, Up: Query Construction


9.7 Output

To get SQL once the tree is constructed, you have to flatten it.

— Procedure: sql<-trees [trees...]

Return a string made from flattening trees (a list). Each element of trees is either a string, symbol, number, or keyword; or a tree as returned by one of the make-*-tree procedures. The returned string is marked by sql-pre.

— Procedure: sql-command<-trees [trees...]

Return a string made from flattening trees (a list). See sql<-trees for a description of trees. The returned string ends with a semicolon, and is marked by sql-pre.