1 files changed, 38 insertions, 0 deletions
diff --git a/sqlglot/errors.py b/sqlglot/errors.py
new file mode 100644
index 0000000..89aa935
--- /dev/null
+++ b/sqlglot/errors.py
@@ -0,0 +1,38 @@
+from enum import auto
+
+from sqlglot.helper import AutoName
+
+
+class ErrorLevel(AutoName):
+    IGNORE = auto()  # Ignore any parser errors
+    WARN = auto()  # Log any parser errors with ERROR level
+    RAISE = auto()  # Collect all parser errors and raise a single exception
+    IMMEDIATE = auto()  # Immediately raise an exception on the first parser error
+
+
+class SqlglotError(Exception):
+    pass
+
+
+class UnsupportedError(SqlglotError):
+    pass
+
+
+class ParseError(SqlglotError):
+    pass
+
+
+class TokenError(SqlglotError):
+    pass
+
+
+class OptimizeError(SqlglotError):
+    pass
+
+
+def concat_errors(errors, maximum):
+    msg = [str(e) for e in errors[:maximum]]
+    remaining = len(errors) - maximum
+    if remaining > 0:
+        msg.append(f"... and {remaining} more")
+    return "\n\n".join(msg)