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analyzer.py
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1305 lines (1209 loc) · 48.1 KB
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#!/usr/bin/env python3
#
# Copyright (c) 2012-2024 Snowflake Computing Inc. All rights reserved.
#
import uuid
from collections import Counter, defaultdict
from typing import TYPE_CHECKING, DefaultDict, Dict, List, Optional, Union
import snowflake.snowpark
from snowflake.snowpark._internal.analyzer.analyzer_utils import (
alias_expression,
binary_arithmetic_expression,
block_expression,
case_when_expression,
cast_expression,
collate_expression,
column_sum,
delete_merge_statement,
empty_values_statement,
flatten_expression,
function_expression,
grouping_set_expression,
in_expression,
insert_merge_statement,
like_expression,
list_agg,
named_arguments_function,
order_expression,
range_statement,
rank_related_function_expression,
regexp_expression,
schema_query_for_values_statement,
specified_window_frame_expression,
subfield_expression,
subquery_expression,
table_function_partition_spec,
unary_expression,
update_merge_statement,
values_statement,
window_expression,
window_frame_boundary_expression,
window_spec_expression,
within_group_expression,
)
from snowflake.snowpark._internal.analyzer.binary_expression import (
BinaryArithmeticExpression,
BinaryExpression,
)
from snowflake.snowpark._internal.analyzer.binary_plan_node import Join, SetOperation
from snowflake.snowpark._internal.analyzer.datatype_mapper import (
numeric_to_sql_without_cast,
str_to_sql,
to_sql,
)
from snowflake.snowpark._internal.analyzer.expression import (
Attribute,
CaseWhen,
Collate,
ColumnSum,
Expression,
FunctionExpression,
InExpression,
Interval,
Like,
ListAgg,
Literal,
MultipleExpression,
NamedExpression,
RegExp,
ScalarSubquery,
SnowflakeUDF,
Star,
SubfieldInt,
SubfieldString,
UnresolvedAttribute,
WithinGroup,
UnresolvedColumnRegex,
)
from snowflake.snowpark._internal.analyzer.grouping_set import (
GroupingSet,
GroupingSetsExpression,
)
from snowflake.snowpark._internal.analyzer.select_statement import (
Selectable,
SelectableEntity,
SelectSnowflakePlan,
SelectStatement,
SelectTableFunction,
)
from snowflake.snowpark._internal.analyzer.snowflake_plan import (
SnowflakePlan,
SnowflakePlanBuilder,
)
from snowflake.snowpark._internal.analyzer.snowflake_plan_node import (
CopyIntoLocationNode,
CopyIntoTableNode,
Limit,
LogicalPlan,
Range,
SnowflakeCreateTable,
SnowflakeTable,
SnowflakeValues,
)
from snowflake.snowpark._internal.analyzer.sort_expression import SortOrder
from snowflake.snowpark._internal.analyzer.table_function import (
FlattenFunction,
GeneratorTableFunction,
Lateral,
NamedArgumentsTableFunction,
PosArgumentsTableFunction,
TableFunctionExpression,
TableFunctionJoin,
TableFunctionPartitionSpecDefinition,
TableFunctionRelation,
)
from snowflake.snowpark._internal.analyzer.table_merge_expression import (
DeleteMergeExpression,
InsertMergeExpression,
TableDelete,
TableMerge,
TableUpdate,
UpdateMergeExpression,
)
from snowflake.snowpark._internal.analyzer.unary_expression import (
Alias,
Cast,
UnaryExpression,
UnaryMinus,
UnresolvedAlias,
)
from snowflake.snowpark._internal.analyzer.unary_plan_node import (
Aggregate,
CreateDynamicTableCommand,
CreateViewCommand,
Filter,
LocalTempView,
PersistedView,
Pivot,
Project,
Rename,
Sample,
Sort,
Unpivot,
)
from snowflake.snowpark._internal.analyzer.window_expression import (
RankRelatedFunctionExpression,
SpecialFrameBoundary,
SpecifiedWindowFrame,
UnspecifiedFrame,
WindowExpression,
WindowSpecDefinition,
)
from snowflake.snowpark._internal.error_message import SnowparkClientExceptionMessages
from snowflake.snowpark._internal.telemetry import TelemetryField
from snowflake.snowpark._internal.utils import quote_name
from snowflake.snowpark.types import BooleanType, _NumericType
ARRAY_BIND_THRESHOLD = 512
if TYPE_CHECKING:
import snowflake.snowpark.session
class Analyzer:
def __init__(self, session: "snowflake.snowpark.session.Session") -> None:
self.session = session
self.plan_builder = SnowflakePlanBuilder(self.session)
self.generated_alias_maps = {}
self.subquery_plans = []
self.alias_maps_to_use: Optional[Dict[uuid.UUID, str]] = None
def analyze(
self,
expr: Union[Expression, NamedExpression],
df_aliased_col_name_to_real_col_name: DefaultDict[str, Dict[str, str]],
parse_local_name=False,
) -> str:
if isinstance(expr, GroupingSetsExpression):
return grouping_set_expression(
[
[
self.analyze(
a, df_aliased_col_name_to_real_col_name, parse_local_name
)
for a in arg
]
for arg in expr.args
]
)
if isinstance(expr, Like):
return like_expression(
self.analyze(
expr.expr, df_aliased_col_name_to_real_col_name, parse_local_name
),
self.analyze(
expr.pattern, df_aliased_col_name_to_real_col_name, parse_local_name
),
)
if isinstance(expr, RegExp):
return regexp_expression(
self.analyze(
expr.expr, df_aliased_col_name_to_real_col_name, parse_local_name
),
self.analyze(
expr.pattern, df_aliased_col_name_to_real_col_name, parse_local_name
),
self.analyze(
expr.parameters,
df_aliased_col_name_to_real_col_name,
parse_local_name,
)
if expr.parameters is not None
else None,
)
if isinstance(expr, Collate):
collation_spec = (
expr.collation_spec.upper() if parse_local_name else expr.collation_spec
)
return collate_expression(
self.analyze(
expr.expr, df_aliased_col_name_to_real_col_name, parse_local_name
),
collation_spec,
)
if isinstance(expr, (SubfieldString, SubfieldInt)):
field = expr.field
if parse_local_name and isinstance(field, str):
field = field.upper()
return subfield_expression(
self.analyze(
expr.expr, df_aliased_col_name_to_real_col_name, parse_local_name
),
field,
)
if isinstance(expr, CaseWhen):
return case_when_expression(
[
(
self.analyze(
condition,
df_aliased_col_name_to_real_col_name,
parse_local_name,
),
self.analyze(
value,
df_aliased_col_name_to_real_col_name,
parse_local_name,
),
)
for condition, value in expr.branches
],
self.analyze(
expr.else_value,
df_aliased_col_name_to_real_col_name,
parse_local_name,
)
if expr.else_value
else "NULL",
)
if isinstance(expr, MultipleExpression):
block_expressions = []
for expression in expr.expressions:
if self.session.eliminate_numeric_sql_value_cast_enabled:
resolved_expr = self.to_sql_try_avoid_cast(
expression,
df_aliased_col_name_to_real_col_name,
parse_local_name,
)
else:
resolved_expr = self.analyze(
expression,
df_aliased_col_name_to_real_col_name,
parse_local_name,
)
block_expressions.append(resolved_expr)
return block_expression(block_expressions)
if isinstance(expr, InExpression):
in_values = []
for expression in expr.values:
if self.session.eliminate_numeric_sql_value_cast_enabled:
in_value = self.to_sql_try_avoid_cast(
expression,
df_aliased_col_name_to_real_col_name,
parse_local_name,
)
else:
in_value = self.analyze(
expression,
df_aliased_col_name_to_real_col_name,
parse_local_name,
)
in_values.append(in_value)
return in_expression(
self.analyze(
expr.columns, df_aliased_col_name_to_real_col_name, parse_local_name
),
in_values,
)
if isinstance(expr, GroupingSet):
return self.grouping_extractor(expr, df_aliased_col_name_to_real_col_name)
if isinstance(expr, WindowExpression):
return window_expression(
self.analyze(
expr.window_function,
df_aliased_col_name_to_real_col_name,
parse_local_name,
),
self.analyze(
expr.window_spec,
df_aliased_col_name_to_real_col_name,
parse_local_name,
),
)
if isinstance(expr, WindowSpecDefinition):
return window_spec_expression(
[
self.to_sql_try_avoid_cast(
x, df_aliased_col_name_to_real_col_name, parse_local_name
)
for x in expr.partition_spec
],
[
self.analyze(
x, df_aliased_col_name_to_real_col_name, parse_local_name
)
for x in expr.order_spec
],
self.analyze(
expr.frame_spec,
df_aliased_col_name_to_real_col_name,
parse_local_name,
),
)
if isinstance(expr, SpecifiedWindowFrame):
return specified_window_frame_expression(
expr.frame_type.sql,
self.window_frame_boundary(
expr.lower, df_aliased_col_name_to_real_col_name
),
self.window_frame_boundary(
expr.upper, df_aliased_col_name_to_real_col_name
),
)
if isinstance(expr, UnspecifiedFrame):
return ""
if isinstance(expr, SpecialFrameBoundary):
return expr.sql
if isinstance(expr, Literal):
sql = to_sql(expr.value, expr.datatype)
if parse_local_name:
sql = sql.upper()
return sql
if isinstance(expr, Interval):
return expr.sql
if isinstance(expr, Attribute):
assert self.alias_maps_to_use is not None
name = self.alias_maps_to_use.get(expr.expr_id, expr.name)
return quote_name(name)
if isinstance(expr, UnresolvedAttribute):
if expr.df_alias:
if expr.df_alias in df_aliased_col_name_to_real_col_name:
return df_aliased_col_name_to_real_col_name[expr.df_alias].get(
expr.name, expr.name
)
else:
raise SnowparkClientExceptionMessages.DF_ALIAS_NOT_RECOGNIZED(
expr.df_alias
)
return expr.name
if isinstance(expr, FunctionExpression):
if expr.api_call_source is not None:
self.session._conn._telemetry_client.send_function_usage_telemetry(
expr.api_call_source, TelemetryField.FUNC_CAT_USAGE.value
)
func_name = expr.name.upper() if parse_local_name else expr.name
return function_expression(
func_name,
[
self.to_sql_try_avoid_cast(c, df_aliased_col_name_to_real_col_name)
for c in expr.children
],
expr.is_distinct,
)
if isinstance(expr, Star):
if expr.df_alias:
# This is only hit by col(<df_alias>)
if expr.df_alias not in df_aliased_col_name_to_real_col_name:
raise SnowparkClientExceptionMessages.DF_ALIAS_NOT_RECOGNIZED(
expr.df_alias
)
columns = df_aliased_col_name_to_real_col_name[expr.df_alias]
return ",".join(columns.values())
if not expr.expressions:
return "*"
else:
# This case is hit by df.col("*")
return ",".join(
[
self.analyze(e, df_aliased_col_name_to_real_col_name)
for e in expr.expressions
]
)
if isinstance(expr, UnresolvedColumnRegex):
return ",".join(
[
self.analyze(e, df_aliased_col_name_to_real_col_name)
for e in expr.expressions
]
)
if isinstance(expr, SnowflakeUDF):
if expr.api_call_source is not None:
self.session._conn._telemetry_client.send_function_usage_telemetry(
expr.api_call_source, TelemetryField.FUNC_CAT_USAGE.value
)
func_name = expr.udf_name.upper() if parse_local_name else expr.udf_name
return function_expression(
func_name,
[
self.analyze(
x, df_aliased_col_name_to_real_col_name, parse_local_name
)
for x in expr.children
],
False,
)
if isinstance(expr, TableFunctionExpression):
if expr.api_call_source is not None:
self.session._conn._telemetry_client.send_function_usage_telemetry(
expr.api_call_source, TelemetryField.FUNC_CAT_USAGE.value
)
return self.table_function_expression_extractor(
expr, df_aliased_col_name_to_real_col_name
)
if isinstance(expr, TableFunctionPartitionSpecDefinition):
return table_function_partition_spec(
expr.over,
[
self.to_sql_try_avoid_cast(
x, df_aliased_col_name_to_real_col_name, parse_local_name
)
for x in expr.partition_spec
]
if expr.partition_spec
else [],
[
self.analyze(
x, df_aliased_col_name_to_real_col_name, parse_local_name
)
for x in expr.order_spec
]
if expr.order_spec
else [],
)
if isinstance(expr, UnaryExpression):
return self.unary_expression_extractor(
expr, df_aliased_col_name_to_real_col_name, parse_local_name
)
if isinstance(expr, SortOrder):
return order_expression(
self.analyze(
expr.child, df_aliased_col_name_to_real_col_name, parse_local_name
),
expr.direction.sql,
expr.null_ordering.sql,
)
if isinstance(expr, ScalarSubquery):
self.subquery_plans.append(expr.plan)
return subquery_expression(expr.plan.queries[-1].sql)
if isinstance(expr, WithinGroup):
return within_group_expression(
self.analyze(
expr.expr, df_aliased_col_name_to_real_col_name, parse_local_name
),
[
self.analyze(e, df_aliased_col_name_to_real_col_name)
for e in expr.order_by_cols
],
)
if isinstance(expr, BinaryExpression):
return self.binary_operator_extractor(
expr, df_aliased_col_name_to_real_col_name, parse_local_name
)
if isinstance(expr, InsertMergeExpression):
return insert_merge_statement(
self.analyze(expr.condition, df_aliased_col_name_to_real_col_name)
if expr.condition
else None,
[
self.analyze(k, df_aliased_col_name_to_real_col_name)
for k in expr.keys
],
[
self.analyze(v, df_aliased_col_name_to_real_col_name)
for v in expr.values
],
)
if isinstance(expr, UpdateMergeExpression):
return update_merge_statement(
self.analyze(expr.condition, df_aliased_col_name_to_real_col_name)
if expr.condition
else None,
{
self.analyze(k, df_aliased_col_name_to_real_col_name): self.analyze(
v, df_aliased_col_name_to_real_col_name
)
for k, v in expr.assignments.items()
},
)
if isinstance(expr, DeleteMergeExpression):
return delete_merge_statement(
self.analyze(expr.condition, df_aliased_col_name_to_real_col_name)
if expr.condition
else None
)
if isinstance(expr, ListAgg):
return list_agg(
self.analyze(
expr.col, df_aliased_col_name_to_real_col_name, parse_local_name
),
str_to_sql(expr.delimiter),
expr.is_distinct,
)
if isinstance(expr, ColumnSum):
return column_sum(
[
self.analyze(
col, df_aliased_col_name_to_real_col_name, parse_local_name
)
for col in expr.exprs
]
)
if isinstance(expr, RankRelatedFunctionExpression):
return rank_related_function_expression(
expr.sql,
self.analyze(
expr.expr, df_aliased_col_name_to_real_col_name, parse_local_name
),
expr.offset,
self.analyze(
expr.default, df_aliased_col_name_to_real_col_name, parse_local_name
)
if expr.default
else None,
expr.ignore_nulls,
)
raise SnowparkClientExceptionMessages.PLAN_INVALID_TYPE(
str(expr)
) # pragma: no cover
def table_function_expression_extractor(
self,
expr: TableFunctionExpression,
df_aliased_col_name_to_real_col_name: DefaultDict[str, Dict[str, str]],
parse_local_name=False,
) -> str:
if isinstance(expr, FlattenFunction):
return flatten_expression(
self.analyze(
expr.input, df_aliased_col_name_to_real_col_name, parse_local_name
),
expr.path,
expr.outer,
expr.recursive,
expr.mode,
)
elif isinstance(expr, PosArgumentsTableFunction):
sql = function_expression(
expr.func_name,
[
self.analyze(
x, df_aliased_col_name_to_real_col_name, parse_local_name
)
for x in expr.args
],
False,
)
elif isinstance(expr, (NamedArgumentsTableFunction, GeneratorTableFunction)):
sql = named_arguments_function(
expr.func_name,
{
key: self.to_sql_try_avoid_cast(
value, df_aliased_col_name_to_real_col_name, parse_local_name
)
for key, value in expr.args.items()
},
)
else: # pragma: no cover
raise TypeError(
"A table function expression should be any of PosArgumentsTableFunction, "
"NamedArgumentsTableFunction, GeneratorTableFunction, or FlattenFunction."
)
partition_spec_sql = (
self.to_sql_try_avoid_cast(
expr.partition_spec, df_aliased_col_name_to_real_col_name
)
if expr.partition_spec
else ""
)
return f"{sql} {partition_spec_sql}"
def unary_expression_extractor(
self,
expr: UnaryExpression,
df_aliased_col_name_to_real_col_name: DefaultDict[str, Dict[str, str]],
parse_local_name=False,
) -> str:
if isinstance(expr, Alias):
quoted_name = quote_name(expr.name)
if isinstance(expr.child, Attribute):
self.generated_alias_maps[expr.child.expr_id] = quoted_name
assert self.alias_maps_to_use is not None
for k, v in self.alias_maps_to_use.items():
if v == expr.child.name:
self.generated_alias_maps[k] = quoted_name
for df_alias_dict in df_aliased_col_name_to_real_col_name.values():
for k, v in df_alias_dict.items():
if v == expr.child.name:
df_alias_dict[k] = quoted_name
return alias_expression(
self.analyze(
expr.child, df_aliased_col_name_to_real_col_name, parse_local_name
),
quoted_name,
)
if isinstance(expr, UnresolvedAlias):
expr_str = self.analyze(
expr.child, df_aliased_col_name_to_real_col_name, parse_local_name
)
if parse_local_name:
expr_str = expr_str.upper()
return expr_str
elif isinstance(expr, Cast):
return cast_expression(
self.analyze(
expr.child, df_aliased_col_name_to_real_col_name, parse_local_name
),
expr.to,
expr.try_,
)
else:
return unary_expression(
self.analyze(
expr.child, df_aliased_col_name_to_real_col_name, parse_local_name
),
expr.sql_operator,
expr.operator_first,
)
def binary_operator_extractor(
self,
expr: BinaryExpression,
df_aliased_col_name_to_real_col_name,
parse_local_name=False,
) -> str:
if self.session.eliminate_numeric_sql_value_cast_enabled:
left_sql_expr = self.to_sql_try_avoid_cast(
expr.left, df_aliased_col_name_to_real_col_name, parse_local_name
)
right_sql_expr = self.to_sql_try_avoid_cast(
expr.right,
df_aliased_col_name_to_real_col_name,
parse_local_name,
)
else:
left_sql_expr = self.analyze(
expr.left, df_aliased_col_name_to_real_col_name, parse_local_name
)
right_sql_expr = self.analyze(
expr.right, df_aliased_col_name_to_real_col_name, parse_local_name
)
if isinstance(expr, BinaryArithmeticExpression):
return binary_arithmetic_expression(
expr.sql_operator,
left_sql_expr,
right_sql_expr,
)
else:
return function_expression(
expr.sql_operator,
[
left_sql_expr,
right_sql_expr,
],
False,
)
def grouping_extractor(
self, expr: GroupingSet, df_aliased_col_name_to_real_col_name
) -> str:
return self.analyze(
FunctionExpression(
expr.pretty_name.upper(),
[c.child if isinstance(c, Alias) else c for c in expr.children],
False,
),
df_aliased_col_name_to_real_col_name,
)
def window_frame_boundary(
self,
boundary: Expression,
df_aliased_col_name_to_real_col_name: DefaultDict[str, Dict[str, str]],
) -> str:
# it means interval preceding
if isinstance(boundary, UnaryMinus) and isinstance(boundary.child, Interval):
return window_frame_boundary_expression(
boundary.child.sql, is_following=False
)
elif isinstance(boundary, Interval):
return window_frame_boundary_expression(boundary.sql, is_following=True)
else:
# boundary should be an integer
offset = self.to_sql_try_avoid_cast(
boundary, df_aliased_col_name_to_real_col_name
)
try:
num = int(offset)
return window_frame_boundary_expression(str(abs(num)), num >= 0)
except Exception:
return offset
def to_sql_try_avoid_cast(
self,
expr: Expression,
df_aliased_col_name_to_real_col_name: DefaultDict[str, Dict[str, str]],
parse_local_name: bool = False,
) -> str:
"""
Convert the expression to sql and try to avoid cast expression if possible when
the expression is:
1) a literal expression
2) the literal expression is numeric type
"""
# if expression is a numeric literal, return the number without casting,
# otherwise process as normal
if isinstance(expr, Literal) and isinstance(expr.datatype, _NumericType):
return numeric_to_sql_without_cast(expr.value, expr.datatype)
elif (
isinstance(expr, Literal)
and isinstance(expr.datatype, BooleanType)
and isinstance(expr.value, bool)
):
return str(expr.value).upper()
else:
return self.analyze(
expr, df_aliased_col_name_to_real_col_name, parse_local_name
)
def resolve(self, logical_plan: LogicalPlan) -> SnowflakePlan:
self.subquery_plans = []
self.generated_alias_maps = {}
result = self.do_resolve(logical_plan)
result.add_aliases(self.generated_alias_maps)
if self.subquery_plans:
result = result.with_subqueries(self.subquery_plans)
# Perform in-place update of the pre and post actions for selectable
# if it has subqueries. Also updated attached resolved snowflake plan
# for the selectable
if isinstance(logical_plan, Selectable):
logical_plan.with_subqueries(self.subquery_plans, result)
return result
def do_resolve(self, logical_plan: LogicalPlan) -> SnowflakePlan:
resolved_children = {}
df_aliased_col_name_to_real_col_name: DefaultDict[
str, Dict[str, str]
] = defaultdict(dict)
for c in logical_plan.children: # post-order traversal of the tree
resolved = self.resolve(c)
df_aliased_col_name_to_real_col_name.update(
resolved.df_aliased_col_name_to_real_col_name
)
resolved_children[c] = resolved
if isinstance(logical_plan, Selectable):
# Selectable doesn't have children. It already has the expr_to_alias dict.
self.alias_maps_to_use = logical_plan.expr_to_alias.copy()
else:
use_maps = {}
# get counts of expr_to_alias keys
counts = Counter()
for v in resolved_children.values():
if v.expr_to_alias:
counts.update(list(v.expr_to_alias.keys()))
# Keep only non-shared expr_to_alias keys
# let (df1.join(df2)).join(df2.join(df3)).select(df2) report error
for v in resolved_children.values():
if v.expr_to_alias:
use_maps.update(
{p: q for p, q in v.expr_to_alias.items() if counts[p] < 2}
)
self.alias_maps_to_use = use_maps
res = self.do_resolve_with_resolved_children(
logical_plan, resolved_children, df_aliased_col_name_to_real_col_name
)
res.df_aliased_col_name_to_real_col_name.update(
df_aliased_col_name_to_real_col_name
)
return res
def do_resolve_with_resolved_children(
self,
logical_plan: LogicalPlan,
resolved_children: Dict[LogicalPlan, SnowflakePlan],
df_aliased_col_name_to_real_col_name: DefaultDict[str, Dict[str, str]],
) -> SnowflakePlan:
if isinstance(logical_plan, SnowflakePlan):
return logical_plan
if isinstance(logical_plan, TableFunctionJoin):
return self.plan_builder.join_table_function(
self.analyze(
logical_plan.table_function, df_aliased_col_name_to_real_col_name
),
resolved_children[logical_plan.children[0]],
logical_plan,
logical_plan.left_cols,
logical_plan.right_cols,
self.session.conf.get("use_constant_subquery_alias", False),
)
if isinstance(logical_plan, TableFunctionRelation):
return self.plan_builder.from_table_function(
self.analyze(
logical_plan.table_function, df_aliased_col_name_to_real_col_name
),
logical_plan,
)
if isinstance(logical_plan, Lateral):
return self.plan_builder.lateral(
self.analyze(
logical_plan.table_function, df_aliased_col_name_to_real_col_name
),
resolved_children[logical_plan.children[0]],
logical_plan,
)
if isinstance(logical_plan, Aggregate):
return self.plan_builder.aggregate(
[
self.to_sql_try_avoid_cast(
expr, df_aliased_col_name_to_real_col_name
)
for expr in logical_plan.grouping_expressions
],
[
self.analyze(expr, df_aliased_col_name_to_real_col_name)
for expr in logical_plan.aggregate_expressions
],
resolved_children[logical_plan.child],
logical_plan,
)
if isinstance(logical_plan, Project):
return self.plan_builder.project(
list(
map(
lambda x: self.analyze(x, df_aliased_col_name_to_real_col_name),
logical_plan.project_list,
)
),
resolved_children[logical_plan.child],
logical_plan,
)
if isinstance(logical_plan, Filter):
return self.plan_builder.filter(
self.analyze(
logical_plan.condition, df_aliased_col_name_to_real_col_name
),
resolved_children[logical_plan.child],
logical_plan,
)
# Add a sample stop to the plan being built
if isinstance(logical_plan, Sample):
return self.plan_builder.sample(
resolved_children[logical_plan.child],
logical_plan,
logical_plan.probability_fraction,
logical_plan.row_count,
)
if isinstance(logical_plan, Join):
join_condition = (
self.analyze(
logical_plan.join_condition, df_aliased_col_name_to_real_col_name
)
if logical_plan.join_condition
else ""
)
match_condition = (
self.analyze(
logical_plan.match_condition, df_aliased_col_name_to_real_col_name
)
if logical_plan.match_condition
else ""
)
return self.plan_builder.join(
resolved_children[logical_plan.left],
resolved_children[logical_plan.right],
logical_plan.join_type,
join_condition,
match_condition,
logical_plan,
self.session.conf.get("use_constant_subquery_alias", False),
)
if isinstance(logical_plan, Sort):
return self.plan_builder.sort(
[
self.analyze(x, df_aliased_col_name_to_real_col_name)
for x in logical_plan.order
],
resolved_children[logical_plan.child],
logical_plan,
)
if isinstance(logical_plan, SetOperation):
return self.plan_builder.set_operator(
resolved_children[logical_plan.left],
resolved_children[logical_plan.right],
logical_plan.sql,
logical_plan,
)
if isinstance(logical_plan, Range):
# schema of Range. Since this corresponds to the Snowflake column "id"
# (quoted lower-case) it's a little hard for users. So we switch it to
# the column name "ID" == id == Id
return self.plan_builder.query(
range_statement(
logical_plan.start, logical_plan.end, logical_plan.step, "id"
),
logical_plan,
)
if isinstance(logical_plan, SnowflakeValues):
if logical_plan.schema_query:
schema_query = logical_plan.schema_query
else:
schema_query = schema_query_for_values_statement(logical_plan.output)
if logical_plan.data:
if not logical_plan.is_large_local_data:
return self.plan_builder.query(
values_statement(logical_plan.output, logical_plan.data),
logical_plan,
schema_query=schema_query,
)
else:
return self.plan_builder.large_local_relation_plan(
logical_plan.output,
logical_plan.data,
logical_plan,
schema_query=schema_query,
)