package sqlgg
SQL Guided (code) Generator
Install
Dune Dependency
Authors
Maintainers
Sources
sqlgg-20231201.tar.gz
md5=0841965b140612b9b1fb066cc21f88cb
sha256=7fbee5972b8fa0488bf31bb482101c93c328f67ceef3e95af165d554736d78fe
sha512=5d14e03e02f62c72c57cc574fd9f637e99118556a739af16d71e8813a8cbd8c330e48d69b9577ef2e9d0227aee9d85664cb4907f479927b7431e0475d954fa1a
doc/src/sqlgg.traits/sqlgg_traits.ml.html
Source file sqlgg_traits.ml
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(** OCaml traits signature for sqlgg by ygrek 2014-06-08 This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a compiled binary, for any purpose, commercial or non-commercial, and by any means. For more information, please refer to <http://unlicense.org/> *) module type Value = sig type t (** Return the literal representation of the value in the SQL dialect. *) val to_literal : t -> string end module type M = sig type statement type -'a connection type params type row type result (** datatypes *) module Types : sig module Bool : Value module Int : Value module Float : Value module Text : Value module Blob : Value module Decimal : Value module Datetime : Value module Any : Value end open Types type num = Int.t type text = Text.t type any = Any.t type datetime = Datetime.t exception Oops of string val get_column_Bool : row -> int -> Bool.t val get_column_Int : row -> int -> Int.t val get_column_Text : row -> int -> Text.t val get_column_Any : row -> int -> Any.t val get_column_Float : row -> int -> Float.t val get_column_Decimal : row -> int -> Decimal.t val get_column_Datetime : row -> int -> Datetime.t val get_column_Bool_nullable : row -> int -> Bool.t option val get_column_Int_nullable : row -> int -> Int.t option val get_column_Text_nullable : row -> int -> Text.t option val get_column_Any_nullable : row -> int -> Any.t option val get_column_Float_nullable : row -> int -> Float.t option val get_column_Decimal_nullable : row -> int -> Decimal.t option val get_column_Datetime_nullable : row -> int -> Datetime.t option val start_params : statement -> int -> params val finish_params : params -> result (** [set_param_* stmt index val]. [index] is 0-based, @raise Oops on error *) val set_param_null : params -> unit val set_param_Text : params -> Text.t -> unit val set_param_Any : params -> Any.t -> unit val set_param_Bool : params -> Bool.t -> unit val set_param_Int : params -> Int.t -> unit val set_param_Float : params -> Float.t -> unit val set_param_Decimal : params -> Decimal.t -> unit val set_param_Datetime : params -> Datetime.t -> unit val no_params : statement -> result (** Perform query (cardinality "any") and return results via callback for each row @raise Oops on error *) val select : [>`RO] connection -> string -> (statement -> result) -> (row -> unit) -> unit (** Perform query (cardinality "zero or one") and return first row if available @raise Oops on error *) val select_one_maybe : [>`RO] connection -> string -> (statement -> result) -> (row -> 'r) -> 'r option (** Perform query (cardinality "one") and return first row @raise Oops on error *) val select_one : [>`RO] connection -> string -> (statement -> result) -> (row -> 'r) -> 'r (** Execute non-query. @raise Oops on error @return number of affected rows *) val execute : [>`WR] connection -> string -> (statement -> result) -> int64 end module type M_io = sig include M module IO : Sqlgg_io.M val finish_params : params -> result IO.future val no_params : statement -> result IO.future val select : [>`RO] connection -> string -> (statement -> result IO.future) -> (row -> unit) -> unit IO.future val select_one_maybe : [>`RO] connection -> string -> (statement -> result IO.future) -> (row -> 'b) -> 'b option IO.future val select_one : [>`RO] connection -> string -> (statement -> result IO.future) -> (row -> 'b) -> 'b IO.future val execute : [>`WR] connection -> string -> (statement -> result IO.future) -> int64 IO.future end
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