From 2890656b8a9745b3387edef381d5231a38a21d8f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?F=C3=A9lix=20Baylac-Jacqu=C3=A9?= <felix@alternativebit.fr>
Date: Mon, 21 Feb 2022 19:00:11 +0100
Subject: [PATCH] data-ingest: Create a spatial index on the building geodata

---
 data-ingest/ingest |  8 +++++++-
 notes.org          | 16 ++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/data-ingest/ingest b/data-ingest/ingest
index e2d3082..e78fa28 100755
--- a/data-ingest/ingest
+++ b/data-ingest/ingest
@@ -15,7 +15,7 @@ clean_tmp () {
 }
 trap clean_tmp EXIT
 
-echo "[+] Ingesting IPE ata."
+echo "[+] Ingesting IPE data."
 echo "    The following files will be ingested."
 echo ""
 ipeFiles=$(find "${fullIpeDirPath}" -name '*.csv')
@@ -53,7 +53,13 @@ UPDATE ipe SET ImmeubleGeoPoint =
             2154)
         ,4326);
 EOF
+sqlite3 "${fullDbPath}" < "${tmpSql}"
 
+echo "[+] Creating Rtree index (spatial index). We're almost done."
+cat > "${tmpSql}" <<EOF
+SELECT load_extension("mod_spatialite");
+SELECT CreateSpatialIndex('ipe','ImmeubleGeoPoint');
+EOF
 sqlite3 "${fullDbPath}" < "${tmpSql}"
 
 echo "[+] SQLite database generated at ${fullDbPath}"
diff --git a/notes.org b/notes.org
index d92428c..f72539c 100644
--- a/notes.org
+++ b/notes.org
@@ -46,3 +46,19 @@
 
 ** DSPs to Ingest
 ADTH AISN BEFO BTHD CTYF EURE FI44 NATH NIVE NPDC SART SHSN SIEL SPTH VAUC
+
+** Requête sur l'Index Spatial
+
+#+BEGIN_SRC sql
+SELECT * FROM ipe
+WHERE ROWID = (
+    SELECT ROWID FROM SpatialIndex
+    WHERE f_table_name = 'ipe'
+    AND search_frame = BuildMBR(
+      -1.405456066131592,
+      43.53722495535158,
+      -1.3643002510070803,
+      43.54475322429539,
+      4326)
+);
+#+END_SRC