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env/Lib/site-packages/django/db/models/sql/constants.py

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+"""
+Constants specific to the SQL storage portion of the ORM.
+"""
+
+# Size of each "chunk" for get_iterator calls.
+# Larger values are slightly faster at the expense of more storage space.
+GET_ITERATOR_CHUNK_SIZE = 100
+
+# Namedtuples for sql.* internal use.
+
+# How many results to expect from a cursor.execute call
+MULTI = "multi"
+SINGLE = "single"
+CURSOR = "cursor"
+NO_RESULTS = "no results"
+
+ORDER_DIR = {
+    "ASC": ("ASC", "DESC"),
+    "DESC": ("DESC", "ASC"),
+}
+
+# SQL join types.
+INNER = "INNER JOIN"
+LOUTER = "LEFT OUTER JOIN"