Allow pinot table aliases (#97)

Author: abloom

pinotdb/sqlalchemy.py

@@ -21,9 +21,6 @@ def visit_select(self, select, **kwargs):
         return super().visit_select(select, **kwargs)
 
     def visit_column(self, column, result_map=None, **kwargs):
-        # Pinot does not support table aliases
-        if column.table is not None:
-            column.table.named_with_column = False
         result_map = result_map or kwargs.pop("add_to_result_map", None)
         # This is a hack to modify the original column, but how do I clone it ?
         column.is_literal = True
@@ -61,7 +58,7 @@ def visit_REAL(self, type_, **kwargs):
         return "DOUBLE"
 
     def visit_NUMERIC(self, type_, **kwargs):
-        return "LONG"
+        return "NUMERIC"
 
     visit_DECIMAL = visit_NUMERIC
     visit_INTEGER = visit_NUMERIC
@@ -72,7 +69,7 @@ def visit_NUMERIC(self, type_, **kwargs):
     visit_DATE = visit_NUMERIC
 
     def visit_CHAR(self, type_, **kwargs):
-        return "STRING"
+        return "VARCHAR"
 
     visit_NCHAR = visit_CHAR
     visit_VARCHAR = visit_CHAR

tests/unit/test_sqlalchemy.py

@@ -344,7 +344,7 @@ def test_can_select_table_directly(self):
 
         self.assertEqual(
             str(compiler),
-            'SELECT some_column \nFROM some_table',
+            'SELECT some_table.some_column \nFROM some_table',
         )
 
 
@@ -357,44 +357,44 @@ def test_compiles_real(self):
         self.assertEqual(self.compiler.visit_REAL(None), 'DOUBLE')
 
     def test_compiles_numeric(self):
-        self.assertEqual(self.compiler.visit_NUMERIC(None), 'LONG')
+        self.assertEqual(self.compiler.visit_NUMERIC(None), 'NUMERIC')
 
     def test_compiles_decimal(self):
-        self.assertEqual(self.compiler.visit_DECIMAL(None), 'LONG')
+        self.assertEqual(self.compiler.visit_DECIMAL(None), 'NUMERIC')
 
     def test_compiles_integer(self):
-        self.assertEqual(self.compiler.visit_INTEGER(None), 'LONG')
+        self.assertEqual(self.compiler.visit_INTEGER(None), 'NUMERIC')
 
     def test_compiles_smallint(self):
-        self.assertEqual(self.compiler.visit_SMALLINT(None), 'LONG')
+        self.assertEqual(self.compiler.visit_SMALLINT(None), 'NUMERIC')
 
     def test_compiles_bigint(self):
-        self.assertEqual(self.compiler.visit_BIGINT(None), 'LONG')
+        self.assertEqual(self.compiler.visit_BIGINT(None), 'NUMERIC')
 
     # TODO: Check if this is correct (seems strange to have boolean as long).
     def test_compiles_boolean(self):
-        self.assertEqual(self.compiler.visit_BOOLEAN(None), 'LONG')
+        self.assertEqual(self.compiler.visit_BOOLEAN(None), 'NUMERIC')
 
     def test_compiles_timestamp(self):
-        self.assertEqual(self.compiler.visit_TIMESTAMP(None), 'LONG')
+        self.assertEqual(self.compiler.visit_TIMESTAMP(None), 'NUMERIC')
 
     def test_compiles_date(self):
-        self.assertEqual(self.compiler.visit_DATE(None), 'LONG')
+        self.assertEqual(self.compiler.visit_DATE(None), 'NUMERIC')
 
     def test_compiles_char(self):
-        self.assertEqual(self.compiler.visit_CHAR(None), 'STRING')
+        self.assertEqual(self.compiler.visit_CHAR(None), 'VARCHAR')
 
     def test_compiles_nchar(self):
-        self.assertEqual(self.compiler.visit_NCHAR(None), 'STRING')
+        self.assertEqual(self.compiler.visit_NCHAR(None), 'VARCHAR')
 
     def test_compiles_varchar(self):
-        self.assertEqual(self.compiler.visit_VARCHAR(None), 'STRING')
+        self.assertEqual(self.compiler.visit_VARCHAR(None), 'VARCHAR')
 
     def test_compiles_nvarchar(self):
-        self.assertEqual(self.compiler.visit_NVARCHAR(None), 'STRING')
+        self.assertEqual(self.compiler.visit_NVARCHAR(None), 'VARCHAR')
 
     def test_compiles_text(self):
-        self.assertEqual(self.compiler.visit_TEXT(None), 'STRING')
+        self.assertEqual(self.compiler.visit_TEXT(None), 'VARCHAR')
 
     def test_compiles_binary(self):
         self.assertEqual(self.compiler.visit_BINARY(None), 'BYTES')