From 6b40190097632531b7f6974531f11a27f267c1b8 Mon Sep 17 00:00:00 2001
From: Nybkox <nybkox@gmail.com>
Date: Tue, 3 Dec 2024 19:28:16 +0100
Subject: [PATCH] feat: add collation to maria db indexes query and analyser

---
 plugins/dbgate-plugin-mysql/src/backend/Analyser.js    | 2 +-
 plugins/dbgate-plugin-mysql/src/backend/sql/indexes.js | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/plugins/dbgate-plugin-mysql/src/backend/Analyser.js b/plugins/dbgate-plugin-mysql/src/backend/Analyser.js
index 0e4565568..afb88f78a 100644
--- a/plugins/dbgate-plugin-mysql/src/backend/Analyser.js
+++ b/plugins/dbgate-plugin-mysql/src/backend/Analyser.js
@@ -184,7 +184,7 @@ class Analyser extends DatabaseAnalyser {
           columns: indexes.rows
             .filter(col => col.tableName == idx.tableName && col.constraintName == idx.constraintName)
             .map(col => ({
-              ..._.pick(col, ['columnName']),
+              ..._.pick(col, ['columnName', 'isDescending']),
             })),
         })),
 
diff --git a/plugins/dbgate-plugin-mysql/src/backend/sql/indexes.js b/plugins/dbgate-plugin-mysql/src/backend/sql/indexes.js
index caaea2cb9..1dc49b195 100644
--- a/plugins/dbgate-plugin-mysql/src/backend/sql/indexes.js
+++ b/plugins/dbgate-plugin-mysql/src/backend/sql/indexes.js
@@ -4,7 +4,11 @@ module.exports = `
         TABLE_NAME AS tableName,
         COLUMN_NAME AS columnName,
         INDEX_TYPE AS indexType,
-        NON_UNIQUE AS nonUnique
+        NON_UNIQUE AS nonUnique,
+        CASE COLLATION
+            WHEN 'D' THEN 1
+            ELSE 0
+        END AS isDescending
     FROM INFORMATION_SCHEMA.STATISTICS
     WHERE TABLE_SCHEMA = '#DATABASE#' AND TABLE_NAME =OBJECT_ID_CONDITION AND INDEX_NAME != 'PRIMARY'
     ORDER BY SEQ_IN_INDEX