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[WIP] adds start and end index to metadata #1

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[WIP] adds start and end index to metadata #1

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10 changes: 10 additions & 0 deletions sqlglot/parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1729,7 +1729,15 @@ def expression(
Returns:
The target expression.
"""
start_token = kwargs.pop("start_token", self._prev)
end_token = self._prev
instance = exp_class(**kwargs)
if start_token and end_token:
instance.meta["line"] = start_token.line
instance.meta["col"] = start_token.col
instance.meta["start"] = start_token.start
instance.meta["end"] = end_token.end + 1
instance.meta["text"] = self.sql[start_token.start : end_token.end + 1]
instance.add_comments(comments) if comments else self._add_comments(instance)
return self.validate_expression(instance)

Expand Down Expand Up @@ -3244,6 +3252,7 @@ def _parse_select_query(
else None
)

start_token = self._curr
if self._match(TokenType.SELECT):
comments = self._prev_comments

Expand Down Expand Up @@ -3279,6 +3288,7 @@ def _parse_select_query(

this = self.expression(
exp.Select,
start_token=start_token,
kind=kind,
hint=hint,
distinct=distinct,
Expand Down