Types: Improve type mapping for scalars and arrays

AFAIK, this is needed for reverse type lookups / reflections.

Author: amotl

src/sqlalchemy_cratedb/dialect.py

@@ -41,17 +41,23 @@
     "smallint": sqltypes.SmallInteger,
     "timestamp": sqltypes.TIMESTAMP,
     "timestamp with time zone": sqltypes.TIMESTAMP,
+    "timestamp without time zone": sqltypes.TIMESTAMP,
     "object": ObjectType,
+    "object_array": ObjectArray,  # TODO: Can this also be improved to use `sqltypes.ARRAY`?
     "integer": sqltypes.Integer,
-    "long": sqltypes.NUMERIC,
-    "bigint": sqltypes.NUMERIC,
+    "integer_array": sqltypes.ARRAY(sqltypes.Integer),
+    "long": sqltypes.BIGINT,
+    "long_array": sqltypes.ARRAY(sqltypes.BIGINT),
+    "bigint": sqltypes.BIGINT,
+    "bigint_array": sqltypes.ARRAY(sqltypes.BIGINT),
     "double": sqltypes.DECIMAL,
     "double precision": sqltypes.DECIMAL,
-    "object_array": ObjectArray,
     "float": sqltypes.Float,
-    "real": sqltypes.Float,
+    "float_array": sqltypes.ARRAY(sqltypes.Float),
+    "real": sqltypes.DOUBLE,
+    "real_array": sqltypes.ARRAY(sqltypes.DOUBLE),
     "string": sqltypes.String,
-    "text": sqltypes.String
+    "text": sqltypes.String,
 }
 try:
     # SQLAlchemy >= 1.1