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Man page: http://aolserver.com/docs/tcl/ns_dbquotevalue.html
- ns_dbquotevalue - Prepare a value string for inclusion in an SQL statement.
- ns_dbquotevalue value ?type?
- This command prepares the string value for inclusion in an SQL statement. If value is "", ns_dbquotevalue will return the string "NULL". If value is not "", the returned value depends on type. If type is one of: bigint, bit, decimal, double, float, int, integer, numeric, real, smallint, or tinyint, then value will be returned without modification. When type is any other string, or if type is omitted, value will be surrounded by single quotes, and any single quotes that it contains will be escaped by translation into two single quotes.
% ns_dbquotevalue "" NULL
% ns_dbquotevalue 45.3 float 45.3
% ns_dbquotevalue "John's Car" 'John''s Car'
% set company "John's Cheese Factory" % ns_db dml $db "INSERT INTO companies (name) VALUES ([ns_dbquotevalue $company])"