From 81db1bfd580791910646525e30bc45af34533987 Mon Sep 17 00:00:00 2001
From: Sébastien Dailly <sebastien@dailly.me>
Date: Sat, 1 Mar 2025 08:39:02 +0100
Subject: Rewrite the way to handle filters

---
 lib/analysers/chunk.mli | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 lib/analysers/chunk.mli

(limited to 'lib/analysers/chunk.mli')

diff --git a/lib/analysers/chunk.mli b/lib/analysers/chunk.mli
new file mode 100644
index 0000000..d4f69e7
--- /dev/null
+++ b/lib/analysers/chunk.mli
@@ -0,0 +1,34 @@
+(** This module helps to create a query with prepared values. *)
+
+type t = {
+  b : Buffer.t;
+  parameters : ImportCSV.DataType.t Queue.t;
+}
+
+val create : unit -> t
+val create' : Buffer.t -> ImportCSV.DataType.t Queue.t -> t
+
+val append : head:t -> tail:t -> unit
+(** Append the element from [tail] at the end of [head]
+
+    Tail is destroyed during the operation. *)
+
+val add_string : t -> string -> unit
+(** Add a litteral string in the sequence *)
+
+val copy : t -> t
+
+val create_from_statement_of_chunck :
+  ?externals:ImportConf.Syntax.Extern.t list -> ImportConf.Syntax.t -> t -> unit
+(** Create the from part of the query, adding all the declared externals (even
+    when not required)
+
+    SQLite is able to optimize the query and do not load the table not used in
+    the select clause. *)
+
+val add_expression :
+  conf:ImportConf.Syntax.t ->
+  t ->
+  ImportDataTypes.Path.t ImportExpression.T.t ->
+  unit
+(** Add an expression into an existing chunck *)
-- 
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