pg introspector - Wrap schema.table in double quotes for case handling (#1426)

* pg introspector - Wrap schema.table in double quotes for case handling

Use quote_ident instead of manual concat

* Add test for MixedCaseTable in pg introspect

Author: neil176

src/dialect/postgres/postgres-introspector.ts

@@ -62,7 +62,7 @@ export class PostgresIntrospector implements DatabaseIntrospector {
         ),
         sql<
           string | null
-        >`pg_get_serial_sequence(ns.nspname || '.' || c.relname, a.attname)`.as(
+        >`pg_get_serial_sequence(quote_ident(ns.nspname) || '.' || quote_ident(c.relname), a.attname)`.as(
           'auto_incrementing',
         ),
       ])

test/node/src/introspect.test.ts

@@ -256,6 +256,22 @@ for (const dialect of DIALECTS) {
                 },
               ],
             },
+            {
+              name: 'MixedCaseTable',
+              isView: false,
+              schema: 'some_schema',
+              columns: [
+                {
+                  name: 'some_column',
+                  dataType: 'int4',
+                  dataTypeSchema: 'pg_catalog',
+                  isNullable: false,
+                  isAutoIncrementing: true,
+                  hasDefaultValue: true,
+                  comment: undefined,
+                },
+              ],
+            },
             {
               name: 'pet',
               isView: false,
@@ -878,6 +894,11 @@ for (const dialect of DIALECTS) {
           .asEnum(['cat', 'dog', 'frog'])
           .execute()
 
+        await ctx.db.schema
+          .createTable('some_schema.MixedCaseTable')
+          .addColumn('some_column', 'serial', (col) => col.primaryKey())
+          .execute()
+
         await ctx.db.schema
           .createTable('some_schema.pet')
           .addColumn('some_column', 'serial', (col) => col.primaryKey())
@@ -908,6 +929,10 @@ for (const dialect of DIALECTS) {
 
     async function dropSchema() {
       await ctx.db.schema.dropTable('some_schema.pet').ifExists().execute()
+      await ctx.db.schema
+        .dropTable('some_schema.MixedCaseTable')
+        .ifExists()
+        .execute()
       await ctx.db.schema
         .dropTable('some_schema.pet_partition')
         .ifExists()