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Unify Snowflake object name handling in the Snowpark AST #2789

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Unify Snowflake object name handling in the Snowpark AST #2789

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637f518
Update ast.proto
sfc-gh-oplaton Dec 19, 2024
587b61f
Merge branch 'main' into oplaton/snow-1621205-object-name
sfc-gh-oplaton Dec 19, 2024
12268b1
Update object name handling
sfc-gh-oplaton Dec 19, 2024
f9a657e
Stored procedure names
sfc-gh-oplaton Dec 19, 2024
a6c2515
Update table name handling
sfc-gh-oplaton Dec 20, 2024
24c5033
Update AST test expectations
sfc-gh-oplaton Dec 20, 2024
400eb39
Update ast.proto
sfc-gh-oplaton Dec 20, 2024
2729b76
Merge branch 'main' into oplaton/snow-1621205-object-name
sfc-gh-oplaton Dec 20, 2024
ecc3923
Split functions.test into two files
sfc-gh-oplaton Dec 20, 2024
d592fcd
Merge branch 'main' into oplaton/snow-1621205-object-name
sfc-gh-oplaton Dec 20, 2024
94822f6
Update ast.proto and use the new functionality
sfc-gh-oplaton Dec 21, 2024
754bd65
Update expectation tests
sfc-gh-oplaton Dec 21, 2024
c67448f
Merge branch 'main' into oplaton/snow-1621205-object-name
sfc-gh-oplaton Dec 21, 2024
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54 changes: 33 additions & 21 deletions src/snowflake/snowpark/_internal/ast/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -345,6 +345,17 @@ def build_proto_from_struct_type(
ast_field.nullable = field.nullable


def build_sp_name(name: Union[str, Iterable[str]], expr: proto.SpName) -> None:
if isinstance(name, str):
expr.sp_name_flat.name = name
elif isinstance(name, Iterable):
expr.sp_name_structured.name.extend(name)
else:
raise ValueError(
f"Invalid object name: {name}. The object name must be a string or an iterable of strings."
)


# TODO(SNOW-1491199) - This method is not covered by tests until the end of phase 0. Drop the pragma when it is covered.
def _set_fn_name(
name: Union[str, Iterable[str]], fn: proto.FnNameRefExpr
Expand All @@ -358,26 +369,27 @@ def _set_fn_name(
Raises:
ValueError: Raised if the function name is not a string or an iterable of strings.
"""
if isinstance(name, str):
fn.name.fn_name_flat.name = name # type: ignore[attr-defined] # TODO(SNOW-1491199) # "FnNameRefExpr" has no attribute "name"
elif isinstance(name, Iterable):
fn.name.fn_name_structured.name.extend(name) # type: ignore[attr-defined] # TODO(SNOW-1491199) # "FnNameRefExpr" has no attribute "name"
else:
raise ValueError(
f"Invalid function name: {name}. The function name must be a string or an iterable of strings."
)
try:
build_sp_name(name, fn.name.name)
except ValueError as e:
raise ValueError("Invalid function name") from e


# TODO(SNOW-1491199) - This method is not covered by tests until the end of phase 0. Drop the pragma when it is covered.
def build_sp_table_name( # type: ignore[no-untyped-def] # TODO(SNOW-1491199) # Function is missing a return type annotation
expr_builder: proto.SpTableName, name: Union[str, Iterable[str]]
): # pragma: no cover
if isinstance(name, str):
expr_builder.sp_table_name_flat.name = name
elif isinstance(name, Iterable):
expr_builder.sp_table_name_structured.name.extend(name)
else:
raise ValueError(f"Invalid name type {type(name)} for SpTableName entity.")
def build_sp_table_name(
expr_builder: proto.SpNameRef, name: Union[str, Iterable[str]]
) -> None: # pragma: no cover
try:
build_sp_name(name, expr_builder.name)
except ValueError as e:
raise ValueError("Invalid table name") from e


def build_sp_view_name(expr: proto.SpNameRef, name: Union[str, Iterable[str]]) -> None:
try:
build_sp_name(name, expr.name)
except ValueError as e:
raise ValueError("Invalid view name") from e


def build_function_expr(
Expand Down Expand Up @@ -1108,7 +1120,7 @@ def build_udf( # type: ignore[no-untyped-def] # TODO(SNOW-1491199) # Function i
ast.stage_location = stage_location
if imports is not None and len(imports) != 0:
for import_ in imports:
import_expr = proto.SpTableName()
import_expr = proto.SpNameRef()
build_sp_table_name(import_expr, import_)
ast.imports.append(import_expr)
if packages is not None and len(packages) != 0:
Expand Down Expand Up @@ -1197,7 +1209,7 @@ def build_udaf( # type: ignore[no-untyped-def] # TODO(SNOW-1491199) # Function
ast.stage_location.value = stage_location
if imports is not None and len(imports) != 0:
for import_ in imports:
import_expr = proto.SpTableName()
import_expr = proto.SpNameRef()
build_sp_table_name(import_expr, import_)
ast.imports.append(import_expr)
if packages is not None and len(packages) != 0:
Expand Down Expand Up @@ -1294,7 +1306,7 @@ def build_udtf( # type: ignore[no-untyped-def] # TODO(SNOW-1491199) # Function
ast.stage_location = stage_location
if imports is not None and len(imports) != 0:
for import_ in imports:
import_expr = proto.SpTableName()
import_expr = proto.SpNameRef()
build_sp_table_name(import_expr, import_)
ast.imports.append(import_expr)
if packages is not None and len(packages) != 0:
Expand Down Expand Up @@ -1406,7 +1418,7 @@ def build_sproc( # type: ignore[no-untyped-def] # TODO(SNOW-1491199) # Function
ast.stage_location = stage_location
if imports is not None and len(imports) != 0:
for import_ in imports:
import_expr = proto.SpTableName()
import_expr = proto.SpNameRef()
build_sp_table_name(import_expr, import_)
ast.imports.append(import_expr)
if packages is not None and len(packages) != 0:
Expand Down
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