From 1525f0f9167828125d103f8380cdf7c5c7ce2c51 Mon Sep 17 00:00:00 2001
From: KlausBai <89413584+KlausBai@users.noreply.github.com>
Date: Fri, 29 Apr 2022 17:29:15 +0800
Subject: [PATCH] fix: mysql hasColumn Error.(hasColumn `a_id` but
 hasColumn('a_Id') is false) (#5148)

---
 lib/dialects/mysql/schema/mysql-compiler.js | 4 ++--
 test/integration2/schema/misc.spec.js       | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/dialects/mysql/schema/mysql-compiler.js b/lib/dialects/mysql/schema/mysql-compiler.js
index 9330e4795f..7b84bacdbf 100644
--- a/lib/dialects/mysql/schema/mysql-compiler.js
+++ b/lib/dialects/mysql/schema/mysql-compiler.js
@@ -48,8 +48,8 @@ class SchemaCompiler_MySQL extends SchemaCompiler {
       output(resp) {
         return resp.some((row) => {
           return (
-            this.client.wrapIdentifier(row.Field) ===
-            this.client.wrapIdentifier(column)
+            this.client.wrapIdentifier(row.Field.toLowerCase()) ===
+            this.client.wrapIdentifier(column.toLowerCase())
           );
         });
       },
diff --git a/test/integration2/schema/misc.spec.js b/test/integration2/schema/misc.spec.js
index 3f663eab35..3f754faa29 100644
--- a/test/integration2/schema/misc.spec.js
+++ b/test/integration2/schema/misc.spec.js
@@ -1661,9 +1661,9 @@ describe('Schema (misc)', () => {
               expect(exists).to.equal(true);
             }));
 
-          describe('sqlite only', () => {
+          describe('sqlite and mysql only', () => {
             it('checks whether a column exists without being case sensitive, resolving with a boolean', async function () {
-              if (!isSQLite(knex)) {
+              if (!isSQLite(knex)&& !isMysql(knex)) {
                 return this.skip();
               }