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Constructing a typical SQL SELECT
query (to be passed to pg-exec
)
can be tedious and error prone due to the many string-munging operations
involved. Guile-PG provides some procedures to make things a little easier.
To get started, load the postgres-qcons
module:
(use-modules (database postgres-qcons))
This provides procedures to render prefix-style expressions to SQL syntax, essentially by constructing stylized trees (nested lists) and then flattening them to a string on output.