Remap TIMESTAMP(n) WITH LOCAL TIME ZONE to standard form

ALL_TAB_COLUMNS returns TIMESTAMP(6) WITH LOCAL TIME ZONE for columns
declared as TIMESTAMP WITH LOCAL TIME ZONE. Remap to the standard form
in get_field_definitions so that procedure metadata and temp table DDL
use the correct type name.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: yahonda

lib/plsql/procedure.rb

@@ -397,6 +397,10 @@ def get_field_definitions(argument_metadata) # :nodoc:
 
           col_no, col_name, col_type_name, col_length, col_precision, col_scale, col_char_length, col_char_used = r
 
+          if col_type_name =~ /\ATIMESTAMP\(\d+\) WITH LOCAL TIME ZONE\z/
+            col_type_name = "TIMESTAMP WITH LOCAL TIME ZONE"
+          end
+
           fields[col_name.downcase.to_sym] = {
             position: col_no.to_i,
             data_type: col_type_name,

spec/plsql/procedure_spec.rb

@@ -2427,6 +2427,35 @@ def new_candidate(status)
   end
 end
 
+describe "Function with TIMESTAMP WITH LOCAL TIME ZONE column in %ROWTYPE" do
+  before(:all) do
+    plsql.connect! CONNECTION_PARAMS
+    plsql.execute "DROP FUNCTION test_timestamp_ltz_fn" rescue nil
+    plsql.execute "DROP TABLE test_timestamp_ltz" rescue nil
+    plsql.execute "CREATE TABLE test_timestamp_ltz (id NUMBER, ts TIMESTAMP WITH LOCAL TIME ZONE)"
+    plsql.execute <<-SQL
+      CREATE OR REPLACE FUNCTION test_timestamp_ltz_fn(p_rec test_timestamp_ltz%ROWTYPE)
+        RETURN NUMBER
+      IS
+      BEGIN
+        RETURN p_rec.id;
+      END;
+    SQL
+  end
+
+  after(:all) do
+    plsql.execute "DROP FUNCTION test_timestamp_ltz_fn" rescue nil
+    plsql.execute "DROP TABLE test_timestamp_ltz" rescue nil
+    plsql.logoff
+  end
+
+  it "should remap TIMESTAMP(n) WITH LOCAL TIME ZONE to TIMESTAMP WITH LOCAL TIME ZONE" do
+    procedure = PLSQL::Procedure.find(plsql, :test_timestamp_ltz_fn)
+    fields = procedure.arguments[0][:p_rec][:fields]
+    expect(fields[:ts][:data_type]).to eq("TIMESTAMP WITH LOCAL TIME ZONE")
+  end
+end
+
 describe "Function with TABLE OF %ROWTYPE parameter defined in package" do
   before(:all) do
     plsql.connect! CONNECTION_PARAMS