[Sqlite3] Fix can not get table sql because of case sensitive

lib/dialects/sqlite3/schema/internal/sqlite-ddl-operations.js

@@ -15,7 +15,7 @@ function renameTable(tableName, alteredName) {
 }
 
 function getTableSql(tableName) {
-  return `SELECT type, sql FROM sqlite_master WHERE (type='table' OR (type='index' AND sql IS NOT NULL)) AND tbl_name='${tableName}'`;
+  return `SELECT type, sql FROM sqlite_master WHERE (type='table' OR (type='index' AND sql IS NOT NULL)) AND lower(tbl_name)='${tableName.toLowerCase()}'`;
 }
 
 function isForeignCheckEnabled() {

package.json

@@ -251,7 +251,8 @@
     ],
     "exclude": [
       "lib/dialects/oracle",
-      "lib/dialects/oracledb"
+      "lib/dialects/oracledb",
+      "test/**/*.spec.js"
     ]
   },
   "tsd": {

test/integration2/migrate/alter-table-ignore-case-sensitive/01_create.js

@@ -0,0 +1,9 @@
+exports.up = async (knex) => {
+  await knex.schema.createTableIfNotExists('some_table', (table) => {
+    table.increments();
+  });
+};
+
+exports.down = async (knex) => {
+  await knex.schema.dropTableIfExists('some_table');
+};

test/integration2/migrate/alter-table-ignore-case-sensitive/02_add_column.js

@@ -0,0 +1,13 @@
+exports.up = async (knex) => {
+  // Use the same table but different case.
+  await knex.schema.table('Some_Table', (table) => {
+    table.string('other_id').after('id');
+    table.string('name').after('other_id');
+  });
+};
+
+exports.down = async (knex) => {
+  await knex.schema.table('Some_Table', (table) => {
+    table.dropColumns('other_id', 'name');
+  });
+};

test/integration2/migrate/migration-integration.spec.js

@@ -115,6 +115,31 @@ describe('Migrations', function () {
             await db.migrate.rollback();
             await knexInstance.destroy();
           });
+
+          it('should not fail alter-table-ignore-case-sensitive', async () => {
+            await knex.migrate.latest({
+              directory:
+                'test/integration2/migrate/alter-table-ignore-case-sensitive',
+            });
+            expect(await knex.schema.hasColumn('Some_Table', 'id')).to.be.true;
+            expect(await knex.schema.hasColumn('Some_Table', 'other_id')).to.be
+              .true;
+            expect(await knex.schema.hasColumn('Some_Table', 'name')).to.be
+              .true;
+            // try different case
+            expect(await knex.schema.hasColumn('some_table', 'id')).to.be.true;
+            expect(await knex.schema.hasColumn('some_table', 'other_id')).to.be
+              .true;
+            expect(await knex.schema.hasColumn('some_table', 'name')).to.be
+              .true;
+
+            await knex.migrate.rollback({
+              directory:
+                'test/integration2/migrate/alter-table-ignore-case-sensitive',
+            });
+            expect(await knex.schema.hasTable('Some_Table')).to.be.false;
+            expect(await knex.schema.hasTable('some_table')).to.be.false;
+          });
         }
 
         it('should not fail drop-and-recreate-column operation when using async/await', () => {