python/sqlglot
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Merging upstream version 11.4.5.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-13 15:48:10 +01:00
parent 0a06643852
commit 88f99e1c27
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
131 changed files with 53004 additions and 37079 deletions
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11
sqlglot/helper.py
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@ -59,7 +59,7 @@ def ensure_list(value):
"""
if value is None:
return []
elif isinstance(value, (list, tuple)):
if isinstance(value, (list, tuple)):
return list(value)
return [value]
@ -162,9 +162,7 @@ def camel_to_snake_case(name: str) -> str:
return CAMEL_CASE_PATTERN.sub("_", name).upper()
def while_changing(
expression: t.Optional[Expression], func: t.Callable[[t.Optional[Expression]], E]
) -> E:
def while_changing(expression: Expression, func: t.Callable[[Expression], E]) -> E:
"""
Applies a transformation to a given expression until a fix point is reached.
@ -176,8 +174,13 @@ def while_changing(
The transformed expression.
"""
while True:
for n, *_ in reversed(tuple(expression.walk())):
n._hash = hash(n)
start = hash(expression)
expression = func(expression)
for n, *_ in expression.walk():
n._hash = None
if start == hash(expression):
break
return expression