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-rw-r--r--sqlparse/lexer.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/sqlparse/lexer.py b/sqlparse/lexer.py
index 657177c..6e17fca 100644
--- a/sqlparse/lexer.py
+++ b/sqlparse/lexer.py
@@ -50,7 +50,9 @@ class Lexer(metaclass=_LexerSingletonMetaclass):
def clear(self):
"""Clear all syntax configurations.
- Useful if you want to load a reduced set of syntax configurations."""
+ Useful if you want to load a reduced set of syntax configurations.
+ After this call, reg-exps and keyword dictionaries need to be loaded
+ to make the lexer functional again."""
self._SQL_REGEX = []
self._keywords = []