Function

Summary

Generates an SQL statement from an operator and arguments.

Package

sql

Signature

sql-operation op &rest args => sql-result

Arguments

op

An operator.

args

A set of arguments for op.

Values

sql-result

An SQL expression.

Description

The function sql-operation takes an operator and its arguments, and returns an SQL statement. It is shorthand for (apply (sql-operator op) args) .

Example

The following code, uses sql-operation to produce an SQL expression.

(sql-operation 'select

  (sql-expression :table 'foo :attribute 'bar)

  (sql-expression :attribute 'baz)

  :from (list

           (sql-expression :table 'foo)

           (sql-expression :table 'quux))

  :where

     (sql-operation 'or

       (sql-operation '>

         (sql-expression :attribute 'baz)

         3)

       (sql-operation 'like

         (sql-expression :table 'foo :attribute 'bar)

         "SU%")))

The following SQL expression is produced.

#<SQL-QUERY: "(SELECT FOO.BAR,BAZ FROM FOO,QUUX

      WHERE ((BAZ > 3) OR (FOO.BAR LIKE 'SU%')))">

See also

sql
sql-expression
sql-operator