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Merging upstream version 10.0.1.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-13 14:53:05 +01:00
parent 528822bfd4
commit b7d21c45b7
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
98 changed files with 4080 additions and 1666 deletions
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12
sqlglot/optimizer/eliminate_subqueries.py
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@ -45,7 +45,13 @@ def eliminate_subqueries(expression):
# All table names are taken
for scope in root.traverse():
taken.update({source.name: source for _, source in scope.sources.items() if isinstance(source, exp.Table)})
taken.update(
{
source.name: source
for _, source in scope.sources.items()
if isinstance(source, exp.Table)
}
)
# Map of Expression->alias
# Existing CTES in the root expression. We'll use this for deduplication.
@ -70,7 +76,9 @@ def eliminate_subqueries(expression):
new_ctes.append(cte_scope.expression.parent)
# Now append the rest
for scope in itertools.chain(root.union_scopes, root.subquery_scopes, root.derived_table_scopes):
for scope in itertools.chain(
root.union_scopes, root.subquery_scopes, root.derived_table_scopes
):
for child_scope in scope.traverse():
new_cte = _eliminate(child_scope, existing_ctes, taken)
if new_cte: