Allow array as default column value

lib/utils.js

@@ -47,11 +47,22 @@ const escapeString = (str) => {
   return `'${escaped}'`;
 };
 
+const parseArray = (arr) => {
+  const input = arr.map((item) => {
+    if (Array.isArray(item)) return parseArray(item);
+    else if (typeof item === 'string') return `"${item}"`;
+    return item;
+  });
+
+  return `{${input}}`;
+};
+
 export const escapeValue = (val) => {
   if (val === null) return 'NULL';
   if (typeof val === 'boolean') return val.toString();
   if (typeof val === 'string') return escapeString(val);
   if (typeof val === 'number') return val;
+  if (Array.isArray(val)) return `'${parseArray(val)}'`;
   if (val instanceof PgLiteral) return val.toString();
   return '';
 };

test/utils-test.js

@@ -15,6 +15,14 @@ describe('lib/utils', () => {
       assert.equal(escapeValue(value), 'true');
     });
 
+    it('parse array to string enclosed within curly braces', () => {
+      const value = [[1], [2]];
+      const value2 = [['a'], ['b']];
+
+      assert.equal(escapeValue(value), '\'{{1},{2}}\'');
+      assert.equal(escapeValue(value2), '\'{{"a"},{"b"}}\'');
+    });
+
     it('escape string allowing function tokens', () => {
       const value = 'fn(fn2(one, #2), three)';
       const value2 = '#no_fn_here';