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ISSUES-9623 check the number and type of arguments when creating BloomFilter index

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zhang2014 2020-04-22 15:33:04 +08:00
parent 7065a8ba9c
commit bfb87f0eab
3 changed files with 20 additions and 2 deletions
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19
src/Storages/MergeTree/MergeTreeIndexBloomFilter.cpp
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@ -21,8 +21,10 @@ namespace DB
namespace ErrorCodes
{
extern const int BAD_ARGUMENTS;
extern const int ILLEGAL_COLUMN;
extern const int INCORRECT_QUERY;
extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
}
MergeTreeIndexBloomFilter::MergeTreeIndexBloomFilter(
@ -100,8 +102,21 @@ std::unique_ptr<IMergeTreeIndex> bloomFilterIndexCreatorNew(
assertIndexColumnsType(index_sample);
double max_conflict_probability = 0.025;
if (node->type->arguments && !node->type->arguments->children.empty())
max_conflict_probability = typeid_cast<const ASTLiteral &>(*node->type->arguments->children[0]).value.get<Float64>();
const auto & arguments = node->type->arguments;
if (arguments && arguments->children.size() > 1)
throw Exception("BloomFilter index cannot have more than one parameter.", ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
if (arguments && !arguments->children.empty())
{
auto argument = arguments->children[0]->as<ASTLiteral>();
if (!argument || (argument->value.safeGet<Float64>() <= 0 || argument->value.safeGet<Float64>() >= 1))
throw Exception("The BloomFilter false positive must be a double number between 0 and 1.", ErrorCodes::BAD_ARGUMENTS);
max_conflict_probability = argument->value.safeGet<Float64>();
}
const auto & bits_per_row_and_size_of_hash_functions = BloomFilterHash::calculationBestPractices(max_conflict_probability);

0
tests/queries/0_stateless/01249_bad_arguments_for_bloom_filter.reference Normal file
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3
tests/queries/0_stateless/01249_bad_arguments_for_bloom_filter.sql Normal file
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@ -0,0 +1,3 @@
CREATE TABLE bloom_filter_idx_good(`u64` UInt64, `i32` Int32, `f64` Float64, `d` Decimal(10, 2), `s` String, `e` Enum8('a' = 1, 'b' = 2, 'c' = 3), `dt` Date, INDEX bloom_filter_a i32 TYPE bloom_filter(0, 1) GRANULARITY 1) ENGINE = MergeTree() ORDER BY u64 SETTINGS index_granularity = 8192; -- { serverError 42 }
CREATE TABLE bloom_filter_idx_good(`u64` UInt64, `i32` Int32, `f64` Float64, `d` Decimal(10, 2), `s` String, `e` Enum8('a' = 1, 'b' = 2, 'c' = 3), `dt` Date, INDEX bloom_filter_a i32 TYPE bloom_filter(0.) GRANULARITY 1) ENGINE = MergeTree() ORDER BY u64 SETTINGS index_granularity = 8192; -- { serverError 36 }
CREATE TABLE bloom_filter_idx_good(`u64` UInt64, `i32` Int32, `f64` Float64, `d` Decimal(10, 2), `s` String, `e` Enum8('a' = 1, 'b' = 2, 'c' = 3), `dt` Date, INDEX bloom_filter_a i32 TYPE bloom_filter(1.) GRANULARITY 1) ENGINE = MergeTree() ORDER BY u64 SETTINGS index_granularity = 8192; -- { serverError 36 }