source keyword no longer leads to syntax error

duckpgq/src/duckpgq_extension.cpp

@@ -97,7 +97,7 @@ BoundStatement duckpgq_bind(ClientContext &context, Binder &binder,
                             SQLStatement &statement) {
   auto lookup = context.registered_state.find("duckpgq");
   if (lookup == context.registered_state.end()) {
-    throw Exception(ExceptionType::BINDER, "Registered state not found");
+    throw;
   }
 
   auto duckpgq_state = (DuckPGQState *)lookup->second.get();
@@ -107,7 +107,7 @@ BoundStatement duckpgq_bind(ClientContext &context, Binder &binder,
   if (duckpgq_parse_data) {
     return duckpgq_binder->Bind(*(duckpgq_parse_data->statement));
   }
-  throw Exception(ExceptionType::BINDER, "Unable to find DuckPGQ Parse Data");
+  throw;
 }
 
 void duckpgq_find_match_function(TableRef *table_ref,

test/sql/duckdb_columns.test

@@ -0,0 +1,16 @@
+# name: test/sql/sqlpgq/snb.test
+# group: [duckpgq]
+
+require duckpgq
+
+statement ok
+from duckdb_columns;
+
+statement ok
+from duckdb_constraints();
+
+statement ok
+select * from information_schema.columns;
+
+statement ok
+select * from information_schema.tables;

test/sql/non_existing_table.test

@@ -0,0 +1,53 @@
+# https://github.com/cwida/duckpgq-extension/issues/95
+# name: test/sql/sqlpgq/non_existing_table.test
+# group: [sqlpgq]
+
+require duckpgq
+
+# https://github.com/cwida/duckpgq-extension/issues/96
+statement error
+select * from table_that_does_not_exist;
+----
+Catalog Error: Table with name table_that_does_not_exist does not exist!
+
+statement ok
+CREATE TABLE test (a INTEGER);
+
+statement error
+SELECT b from test;
+----
+Binder Error: Referenced column "b" not found in FROM clause!
+
+statement ok
+import database 'duckdb-pgq/data/SNB0.003';
+
+statement ok
+-CREATE PROPERTY GRAPH snb
+VERTEX TABLES (
+    Person,
+    Organisation IN typemask(company, university)
+    )
+EDGE TABLES (
+    Person_knows_person     SOURCE KEY (Person1Id) REFERENCES Person (id)
+                            DESTINATION KEY (Person2Id) REFERENCES Person (id)
+                            LABEL Knows,
+    person_workAt_Organisation SOURCE KEY (PersonId) REFERENCES Person (id)
+                               DESTINATION KEY (OrganisationId) REFERENCES Organisation (id)
+                               LABEL workAt_Organisation
+   );
+
+statement error
+-FROM GRAPH_TABLE (snb
+    MATCH (a:Kind)
+    COLUMNS (*)
+    );
+----
+Binder Error: The label kind is not registered in property graph snb
+
+statement error
+-FROM GRAPH_TABLE (abc
+    MATCH (a:Kind)
+    COLUMNS (*)
+    );
+----
+Binder Error: Property graph abc does not exist

test/sql/source_keyword.test

@@ -0,0 +1,65 @@
+# name: test/sql/sqlpgq/snb.test
+# group: [duckpgq]
+
+require duckpgq
+
+#statement ok
+#select 1 source;
+
+statement ok
+FROM duckdb_constraints()
+
+statement ok
+SELECT
+      *,
+      regexp_extract(constraint_text, 'FOREIGN KEY \\(([a-zA-Z_0-9]+)\\) REFERENCES ([a-zA-Z_0-9]+)\\(([a-zA-Z_0-9]+)\\)', ['source', 'target', 'target_column']) AS name_extract
+    FROM duckdb_constraints()
+    WHERE constraint_type = 'FOREIGN KEY'
+
+statement ok
+SELECT
+    *,
+    name_extract['source'] AS source,
+    name_extract['target'] AS target,
+    name_extract['target_column'] AS target_column
+FROM (
+    SELECT
+      *,
+      regexp_extract(constraint_text, 'FOREIGN KEY \\(([a-zA-Z_0-9]+)\\) REFERENCES ([a-zA-Z_0-9]+)\\(([a-zA-Z_0-9]+)\\)', ['source', 'target', 'target_column']) AS name_extract
+    FROM duckdb_constraints()
+    WHERE constraint_type = 'FOREIGN KEY'
+);
+
+
+statement ok
+SELECT
+  f.database_name AS constraint_catalog,
+  f.schema_name AS constraint_schema,
+  CONCAT(f.source, '_', f.target, '_', f.target_column, '_fkey') AS constraint_name,
+  current_database() AS unique_constraint_catalog,
+  c.schema_name AS unique_constraint_schema,
+  CONCAT(c.table_name, '_', f.target_column, '_',
+        CASE WHEN c.constraint_type = 'UNIQUE' THEN 'key' ELSE 'pkey' END) AS unique_constraint_name,
+  'NONE' AS match_option,
+  'NO ACTION' AS update_rule,
+  'NO ACTION' AS delete_rule
+FROM duckdb_constraints() c
+JOIN (
+  SELECT
+    *,
+    name_extract['source'] AS source,
+    name_extract['target'] AS target,
+    name_extract['target_column'] AS target_column
+  FROM (
+    SELECT
+      *,
+      regexp_extract(constraint_text, 'FOREIGN KEY \\(([a-zA-Z_0-9]+)\\) REFERENCES ([a-zA-Z_0-9]+)\\(([a-zA-Z_0-9]+)\\)', ['source', 'target', 'target_column']) AS name_extract
+    FROM duckdb_constraints()
+    WHERE constraint_type = 'FOREIGN KEY'
+  )
+) f ON name_extract['target'] = c.table_name
+AND (c.constraint_type = 'UNIQUE' OR c.constraint_type = 'PRIMARY KEY');
+
+
+statement ok
+FROM information_schema.tables;