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Piotr Sarna 5a13ff09e9 expression: fix get_value for mismatched column definitions 
As observed in #10026, after schema changes it somehow happened
that a column defition that does not match any of the base table
columns was passed to expression verification code.
The function that looks up the index of a column happens to return
-1 when it doesn't find anything, so using this returned index
without checking if it's nonnegative results in accessing invalid
vector data, and a segfault or silent memory corruption.
Therefore, an explicit check is added to see if the column was actually
found. This serves two purposes:
 - avoiding segfaults/memory corruption
 - making it easier to investigate the root cause of #10026

Closes #10039
2022-02-07 18:40:48 +02:00
..
expr
expression: fix get_value for mismatched column definitions
2022-02-07 18:40:48 +02:00
functions
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restrictions
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selection
cql3: selection: detect if a selection represents count(*)
2022-02-01 21:14:41 +01:00
statements
db: config: add a flag to disable new parallelized aggregation algorithm
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abstract_marker.cc
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abstract_marker.hh
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assignment_testable.hh
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attributes.cc
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attributes.hh
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authorized_prepared_statements_cache.hh
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cf_name.cc
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cf_name.hh
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column_condition.cc
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column_condition.hh
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column_identifier.cc
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column_identifier.hh
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column_specification.cc
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column_specification.hh
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constants.cc
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constants.hh
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cql3_type.cc
cql3: add a cql3::util::quote() function
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cql3_type.hh
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cql_config.hh
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cql_statement.hh
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Cql.g
cql: reject a map literal with the same key twice
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error_collector.hh
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error_listener.hh
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index_name.cc
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index_name.hh
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keyspace_element_name.cc
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keyspace_element_name.hh
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lists.cc
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lists.hh
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maps.cc
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maps.hh
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multi_column_relation.hh
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operation_impl.hh
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operation.cc
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operation.hh
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prepare_context.cc
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prepare_context.hh
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prepared_statements_cache.hh
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query_options_fwd.hh
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query_options.cc
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query_options.hh
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query_processor.cc
cql3: statements: introduce parallelized_select_statement
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query_processor.hh
cql3: query_processor: add forward_service reference to query_processor
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relation.cc
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relation.hh
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result_generator.hh
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result_set.cc
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result_set.hh
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role_name.cc
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role_name.hh
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role_options.hh
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sets.cc
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sets.hh
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single_column_relation.cc
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single_column_relation.hh
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stats.hh
cql3: statements: introduce parallelized_select_statement
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token_relation.cc
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token_relation.hh
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type_json.cc
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type_json.hh
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untyped_result_set.cc
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untyped_result_set.hh
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update_parameters.cc
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update_parameters.hh
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user_types.cc
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user_types.hh
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ut_name.cc
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ut_name.hh
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util.cc
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util.hh
cql3: add a cql3::util::quote() function
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values.cc
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values.hh
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