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Prepare release v1.50.0 #4193

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b173488
Prepare release v1.50.0
sfc-gh-aling Apr 22, 2026
e5031d2
SNOW-2203826: fix flatten regression (#4197)
sfc-gh-aling Apr 23, 2026
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2 changes: 1 addition & 1 deletion CHANGELOG.md
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@@ -1,6 +1,6 @@
# Release History

## 1.50.0 (TBD)
## 1.50.0 (2026-04-23)

### Snowpark Python API Updates

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2 changes: 1 addition & 1 deletion recipe/meta.yaml
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@@ -1,5 +1,5 @@
{% set name = "snowflake-snowpark-python" %}
{% set version = "1.49.0" %}
{% set version = "1.50.0" %}
{% set noarch_build = (os.environ.get('SNOWFLAKE_SNOWPARK_PYTHON_NOARCH_BUILD', 'false')) == 'true' %}
{% set build_number = os.environ.get('SNOWFLAKE_SNOWPARK_PYTHON_BUILD_NUMBER', 0) %}

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21 changes: 20 additions & 1 deletion src/snowflake/snowpark/_internal/analyzer/select_statement.py
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Expand Up @@ -1604,7 +1604,17 @@ def filter(self, col: Expression) -> "SelectStatement":
can_be_flattened = (
(not self.flatten_disabled)
and can_clause_dependent_columns_flatten(
derive_dependent_columns(col), self.column_states, "filter"
derive_dependent_columns(col),
self.column_states,
"filter",
# In Snowpark Connect compatible mode, the NEW-column branch
# below allows flattening through any subquery. Pass
# subquery_has_limit so that branch can still reject
# flattening across LIMIT/OFFSET, since WHERE cannot cross
# LIMIT/OFFSET without changing semantics.
subquery_has_limit_or_offset=(
self.limit_ is not None or self.offset is not None
),
)
and not has_data_generator_or_window_function_exp(self.projection)
and not (
Expand Down Expand Up @@ -2175,6 +2185,7 @@ def can_clause_dependent_columns_flatten(
dependent_columns: Optional[AbstractSet[str]],
subquery_column_states: ColumnStateDict,
clause: Literal["filter", "sort"],
subquery_has_limit_or_offset: bool = False,
) -> bool:
assert clause in (
"filter",
Expand Down Expand Up @@ -2218,6 +2229,14 @@ def can_clause_dependent_columns_flatten(
and context._snowpark_connect_flatten_select_after_sort
):
return False
# Compatible-mode safety: even though we loosened the
# NEW-column flatten rule above, we must not flatten a
# WHERE across LIMIT/OFFSET on a NEW column — that
# would push the filter in front of the limit and
# change the result set. (Sort has its own
# `not self.limit_` guard at the call site.)
if clause == "filter" and subquery_has_limit_or_offset:
return False

return True

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2 changes: 1 addition & 1 deletion src/snowflake/snowpark/version.py
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Expand Up @@ -2,4 +2,4 @@


# Update this for the versions
VERSION = (1, 49, 0)
VERSION = (1, 50, 0)
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.agg.test
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Expand Up @@ -508,6 +508,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.ai.test
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Expand Up @@ -2146,6 +2146,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.col_ilike.test
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Expand Up @@ -239,6 +239,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.collect.test
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Expand Up @@ -511,6 +511,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.count.test
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Expand Up @@ -228,6 +228,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.count2.test
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Expand Up @@ -315,6 +315,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.create_or_replace.test
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Expand Up @@ -823,6 +823,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.cross_join.lsuffix.test
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Expand Up @@ -171,6 +171,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.cross_join.rsuffix.test
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Expand Up @@ -171,6 +171,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.cross_join.suffix.test
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Expand Up @@ -174,6 +174,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.describe.test
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Expand Up @@ -192,6 +192,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.flatten.test
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Expand Up @@ -175,6 +175,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.indexers.test
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Expand Up @@ -207,6 +207,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.join.inner.column.test
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Expand Up @@ -241,6 +241,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.join.inner.column_list.test
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Expand Up @@ -203,6 +203,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.join.inner.column_list_predicate.test
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Expand Up @@ -328,6 +328,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.join.inner.predicate.test
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Expand Up @@ -289,6 +289,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.join.inner.predicate_rsuffix.test
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Expand Up @@ -279,6 +279,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.join.left_outer.column.test
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Expand Up @@ -203,6 +203,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.join.right_outer.predicate.test
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Expand Up @@ -220,6 +220,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.join_table_function.test
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Expand Up @@ -263,6 +263,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.lateral_join.test
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Expand Up @@ -666,6 +666,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.natural_join.test
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Expand Up @@ -171,6 +171,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.pivot.test
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Expand Up @@ -756,6 +756,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.select_expr.test
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Expand Up @@ -359,6 +359,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.stat.test
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Expand Up @@ -1647,6 +1647,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.to_df.test
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Expand Up @@ -172,6 +172,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.to_local_iterator.test
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Expand Up @@ -539,6 +539,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.to_pandas.test
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Expand Up @@ -298,6 +298,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.to_pandas_batch.test
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Expand Up @@ -298,6 +298,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.unpivot.test
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Expand Up @@ -237,6 +237,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/DataFrame.write.test
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Expand Up @@ -6237,6 +6237,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/Dataframe.cube.test
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Expand Up @@ -520,6 +520,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/Dataframe.distinct.test
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Expand Up @@ -89,6 +89,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/Dataframe.drop_duplicates.test
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Expand Up @@ -278,6 +278,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/Dataframe.drop_duplicates_snow1874622.test
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Expand Up @@ -525,6 +525,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/Dataframe.filter.test
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Expand Up @@ -382,6 +382,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/Dataframe.getitem.test
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Expand Up @@ -273,6 +273,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/Dataframe.group_by.test
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Expand Up @@ -520,6 +520,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/Dataframe.group_by_grouping_sets.test
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Expand Up @@ -1102,6 +1102,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/Dataframe.join.asof.test
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Expand Up @@ -736,6 +736,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
2 changes: 1 addition & 1 deletion tests/ast/data/Dataframe.join.prefix.test
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Expand Up @@ -819,6 +819,6 @@ client_language {
}
client_version {
major: 1
minor: 49
minor: 50
}
id: "\003U\"\366q\366P\346\260\261?\234\303\254\316\353"
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