From 9d68dd9185182efd8a7c88d06ae7725b14ba6288 Mon Sep 17 00:00:00 2001
From: zhi <ruizhi@outlook.my>
Date: Sun, 27 Oct 2024 12:04:04 +0800
Subject: [PATCH 1/2] Fix foreign key comparison case sensitive

SQL keywords are case insensitive although they are often written in all caps. Object return from node-sql-parser is actually case sensitive based on the imported sql, thus "foreign key" doesn't work as expected.
---
 src/utils/importSQL/mysql.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/utils/importSQL/mysql.js b/src/utils/importSQL/mysql.js
index f8b3715..075b378 100644
--- a/src/utils/importSQL/mysql.js
+++ b/src/utils/importSQL/mysql.js
@@ -105,7 +105,7 @@ export function fromMySQL(ast, diagramDb = DB.GENERIC) {
                   }
                 });
               });
-            } else if (d.constraint_type === "FOREIGN KEY") {
+            } else if (d.constraint_type.toLowerCase() === "foreign key") {
               const relationship = {};
               const startTableId = table.id;
               const startTable = e.table[0].table;
@@ -187,7 +187,7 @@ export function fromMySQL(ast, diagramDb = DB.GENERIC) {
       e.expr.forEach((expr) => {
         if (
           expr.action === "add" &&
-          expr.create_definitions.constraint_type === "FOREIGN KEY"
+          expr.create_definitions.constraint_type.toLowerCase() === "foreign key"
         ) {
           const relationship = {};
           const startTable = e.table[0].table;

From dcf73e6f95ba6176c735a592b3ae70b98d831dff Mon Sep 17 00:00:00 2001
From: zhi <ruizhi@outlook.my>
Date: Sun, 27 Oct 2024 20:27:47 +0800
Subject: [PATCH 2/2] Fix remaining case sensitive foreign key comparison

---
 src/utils/importSQL/mariadb.js  | 4 ++--
 src/utils/importSQL/mssql.js    | 4 ++--
 src/utils/importSQL/postgres.js | 4 ++--
 src/utils/importSQL/sqlite.js   | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/utils/importSQL/mariadb.js b/src/utils/importSQL/mariadb.js
index 563200e..0bcf4a1 100644
--- a/src/utils/importSQL/mariadb.js
+++ b/src/utils/importSQL/mariadb.js
@@ -105,7 +105,7 @@ export function fromMariaDB(ast, diagramDb = DB.GENERIC) {
                   }
                 });
               });
-            } else if (d.constraint_type === "FOREIGN KEY") {
+            } else if (d.constraint_type.toLowerCase() === "foreign key") {
               const relationship = {};
               const startTableId = table.id;
               const startTable = e.table[0].table;
@@ -187,7 +187,7 @@ export function fromMariaDB(ast, diagramDb = DB.GENERIC) {
       e.expr.forEach((expr) => {
         if (
           expr.action === "add" &&
-          expr.create_definitions.constraint_type === "FOREIGN KEY"
+          expr.create_definitions.constraint_type.toLowerCase() === "foreign key"
         ) {
           const relationship = {};
           const startTable = e.table[0].table;
diff --git a/src/utils/importSQL/mssql.js b/src/utils/importSQL/mssql.js
index 740f744..71d6510 100644
--- a/src/utils/importSQL/mssql.js
+++ b/src/utils/importSQL/mssql.js
@@ -117,7 +117,7 @@ export function fromMSSQL(ast, diagramDb = DB.GENERIC) {
                   }
                 });
               });
-            } else if (d.constraint_type === "FOREIGN KEY") {
+            } else if (d.constraint_type.toLowerCase() === "foreign key") {
               const relationship = {};
               const startTableId = table.id;
               const startTable = e.table[0].table;
@@ -199,7 +199,7 @@ export function fromMSSQL(ast, diagramDb = DB.GENERIC) {
       e.expr.forEach((expr) => {
         if (
           expr.action === "add" &&
-          expr.create_definitions.constraint_type === "FOREIGN KEY"
+          expr.create_definitions.constraint_type.toLowerCase() === "foreign key"
         ) {
           const relationship = {};
           const startTable = e.table[0].table;
diff --git a/src/utils/importSQL/postgres.js b/src/utils/importSQL/postgres.js
index 2912404..1cdb126 100644
--- a/src/utils/importSQL/postgres.js
+++ b/src/utils/importSQL/postgres.js
@@ -105,7 +105,7 @@ export function fromPostgres(ast, diagramDb = DB.GENERIC) {
                   }
                 });
               });
-            } else if (d.constraint_type === "FOREIGN KEY") {
+            } else if (d.constraint_type.toLowerCase() === "foreign key") {
               const relationship = {};
               const startTableId = table.id;
               const startTable = e.table[0].table;
@@ -278,7 +278,7 @@ export function fromPostgres(ast, diagramDb = DB.GENERIC) {
       e.expr.forEach((expr) => {
         if (
           expr.action === "add" &&
-          expr.create_definitions.constraint_type === "FOREIGN KEY"
+          expr.create_definitions.constraint_type.toLowerCase() === "foreign key"
         ) {
           const relationship = {};
           const startTable = e.table[0].table;
diff --git a/src/utils/importSQL/sqlite.js b/src/utils/importSQL/sqlite.js
index 5bd3a1b..9c89a4a 100644
--- a/src/utils/importSQL/sqlite.js
+++ b/src/utils/importSQL/sqlite.js
@@ -122,7 +122,7 @@ export function fromSQLite(ast, diagramDb = DB.GENERIC) {
                   }
                 });
               });
-            } else if (d.constraint_type === "FOREIGN KEY") {
+            } else if (d.constraint_type.toLowerCase() === "foreign key") {
               const relationship = {};
               const startTableId = table.id;
               const startTable = e.table[0].table;