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add test & use isRepresentedByNumber

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This commit is contained in:
zhang2014 2018-12-20 19:42:45 +08:00
parent dc61a73a6e
commit 263de501f5
5 changed files with 117 additions and 18 deletions
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9
dbms/src/Functions/FunctionsConversion.h
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@ -1138,8 +1138,7 @@ struct ToIntMonotonicity
static IFunction::Monotonicity get(const IDataType & type, const Field & left, const Field & right) static IFunction::Monotonicity get(const IDataType & type, const Field & left, const Field & right)
{ {
/// If type is string, the function is no monotonic if (!type.isValueRepresentedByNumber())
if (WhichDataType(type).isString())
return {}; return {};
size_t size_of_type = type.getSizeOfValueInMemory(); size_t size_of_type = type.getSizeOfValueInMemory();
@ -1157,14 +1156,10 @@ struct ToIntMonotonicity
} }
/// If type is same, too. (Enum has separate case, because it is different data type) /// If type is same, too. (Enum has separate case, because it is different data type)
if (checkAndGetDataType<DataTypeNumber<T>>(&type) || if (checkAndGetDataType<DataTypeNumberBase<T>>(&type) ||
checkAndGetDataType<DataTypeEnum<T>>(&type)) checkAndGetDataType<DataTypeEnum<T>>(&type))
return { true, true, true }; return { true, true, true };
/// In other cases, if range is unbounded, we don't know, whether function is monotonic or not.
if (left.isNull() || right.isNull())
return {};
/// If converting from float, for monotonicity, arguments must fit in range of result type. /// If converting from float, for monotonicity, arguments must fit in range of result type.
if (WhichDataType(type).isFloat()) if (WhichDataType(type).isFloat())
{ {

1
dbms/tests/queries/0_stateless/00653_monotonic_integer_cast.reference
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@ -1,2 +1 @@
1 1
1

14
dbms/tests/queries/0_stateless/00653_monotonic_integer_cast.sql
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@ -1,10 +1,4 @@
DROP TABLE IF EXISTS test.number_test_table; drop table if exists test.table;
DROP TABLE IF EXISTS test.string_test_table; create table test.table (val Int32) engine = MergeTree order by val;
CREATE TABLE test.number_test_table (val Int32) ENGINE = MergeTree ORDER BY val; insert into test.table values (-2), (0), (2);
CREATE TABLE test.string_test_table (val String) ENGINE = MergeTree ORDER BY val; select count() from test.table where toUInt64(val) == 0;
INSERT INTO test.number_test_table VALUES (-2), (0), (2);
INSERT INTO test.string_test_table VALUES ('0'), ('2');
SELECT count() FROM test.number_test_table WHERE toUInt64(val) == 0;
SELECT count() FROM test.string_test_table WHERE toUInt64(val) == 0;
DROP TABLE IF EXISTS test.number_test_table;
DROP TABLE IF EXISTS test.string_test_table;

26
dbms/tests/queries/0_stateless/00653_verification_monotonic_data_load.reference Normal file
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@ -0,0 +1,26 @@
no monotonic int case: String -> UInt64
no monotonic int case: FixedString -> UInt64
monotonic int case: Int32 -> Int64
monotonic int case: Int32 -> UInt64
monotonic int case: Int32 -> Int32
monotonic int case: Int32 -> UInt32
monotonic int case: Int32 -> Int16
monotonic int case: Int32 -> UInt16
monotonic int case: UInt32 -> Int64
monotonic int case: UInt32 -> UInt64
monotonic int case: UInt32 -> Int32
monotonic int case: UInt32 -> UInt32
monotonic int case: UInt32 -> Int16
monotonic int case: UInt32 -> UInt16
monotonic int case: Enum16 -> Int32
monotonic int case: Enum16 -> UInt32
monotonic int case: Enum16 -> Int16
monotonic int case: Enum16 -> UInt16
monotonic int case: Enum16 -> Int8
monotonic int case: Enum16 -> UInt8
monotonic int case: Date -> Int32
monotonic int case: Date -> UInt32
monotonic int case: Date -> Int16
monotonic int case: Date -> UInt16
monotonic int case: Date -> Int8
monotonic int case: Date -> UInt8

85
dbms/tests/queries/0_stateless/00653_verification_monotonic_data_load.sh Executable file
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@ -0,0 +1,85 @@
#!/usr/bin/env bash
#--------------------------------------------
# Description of test result:
# Test the correctness of the optimization
# by asserting read marks in the log.
# Relation of read marks and optimization:
# read marks =
# the number of monotonic marks filtered through predicates
# + no monotonic marks count
#--------------------------------------------
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
. $CURDIR/../shell_config.sh
${CLICKHOUSE_CLIENT} --query="SYSTEM STOP MERGES;"
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.string_test_table;"
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.fixed_string_test_table;"
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.signed_integer_test_table;"
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.unsigned_integer_test_table;"
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.enum_test_table;"
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.date_test_table;"
${CLICKHOUSE_CLIENT} --query="CREATE TABLE test.string_test_table (val String) ENGINE = MergeTree ORDER BY val SETTINGS index_granularity = 1;"
${CLICKHOUSE_CLIENT} --query="CREATE TABLE test.fixed_string_test_table (val FixedString(1)) ENGINE = MergeTree ORDER BY val SETTINGS index_granularity = 1;"
${CLICKHOUSE_CLIENT} --query="CREATE TABLE test.signed_integer_test_table (val Int32) ENGINE = MergeTree ORDER BY val SETTINGS index_granularity = 1;"
${CLICKHOUSE_CLIENT} --query="CREATE TABLE test.unsigned_integer_test_table (val UInt32) ENGINE = MergeTree ORDER BY val SETTINGS index_granularity = 1;"
${CLICKHOUSE_CLIENT} --query="CREATE TABLE test.enum_test_table (val Enum16('hello' = 1, 'world' = 2, 'yandex' = 256, 'clickhouse' = 257)) ENGINE = MergeTree ORDER BY val SETTINGS index_granularity = 1;"
${CLICKHOUSE_CLIENT} --query="CREATE TABLE test.date_test_table (val Date) ENGINE = MergeTree ORDER BY val SETTINGS index_granularity = 1;"
${CLICKHOUSE_CLIENT} --query="INSERT INTO test.string_test_table VALUES ('0'), ('2'), ('2');"
${CLICKHOUSE_CLIENT} --query="INSERT INTO test.fixed_string_test_table VALUES ('0'), ('2'), ('2');"
# 131072 -> 17 bit is 1
${CLICKHOUSE_CLIENT} --query="INSERT INTO test.signed_integer_test_table VALUES (-2), (0), (2), (2), (131072), (131073), (131073);"
${CLICKHOUSE_CLIENT} --query="INSERT INTO test.unsigned_integer_test_table VALUES (0), (2), (2), (131072), (131073), (131073);"
${CLICKHOUSE_CLIENT} --query="INSERT INTO test.enum_test_table VALUES ('hello'), ('world'), ('world'), ('yandex'), ('clickhouse'), ('clickhouse');"
${CLICKHOUSE_CLIENT} --query="INSERT INTO test.date_test_table VALUES (1), (2), (2), (256), (257), (257);"
export CLICKHOUSE_CLIENT=`echo ${CLICKHOUSE_CLIENT} |sed 's/'"${CLICKHOUSE_CLIENT_SERVER_LOGS_LEVEL}"'/debug/g'`
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.string_test_table WHERE toUInt64(val) == 0;" 2>&1 |grep -q "3 marks to read from 1 ranges" && echo "no monotonic int case: String -> UInt64"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.fixed_string_test_table WHERE toUInt64(val) == 0;" 2>&1 |grep -q "3 marks to read from 1 ranges" && echo "no monotonic int case: FixedString -> UInt64"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.signed_integer_test_table WHERE toInt64(val) == 0;" 2>&1 |grep -q "2 marks to read from" && echo "monotonic int case: Int32 -> Int64"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.signed_integer_test_table WHERE toUInt64(val) == 0;" 2>&1 |grep -q "2 marks to read from" && echo "monotonic int case: Int32 -> UInt64"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.signed_integer_test_table WHERE toInt32(val) == 0;" 2>&1 |grep -q "2 marks to read from" && echo "monotonic int case: Int32 -> Int32"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.signed_integer_test_table WHERE toUInt32(val) == 0;" 2>&1 |grep -q "2 marks to read from" && echo "monotonic int case: Int32 -> UInt32"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.signed_integer_test_table WHERE toInt16(val) == 0;" 2>&1 |grep -q "5 marks to read from" && echo "monotonic int case: Int32 -> Int16"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.signed_integer_test_table WHERE toUInt16(val) == 0;" 2>&1 |grep -q "5 marks to read from" && echo "monotonic int case: Int32 -> UInt16"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.unsigned_integer_test_table WHERE toInt64(val) == 0;" 2>&1 |grep -q "1 marks to read from" && echo "monotonic int case: UInt32 -> Int64"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.unsigned_integer_test_table WHERE toUInt64(val) == 0;" 2>&1 |grep -q "1 marks to read from" && echo "monotonic int case: UInt32 -> UInt64"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.unsigned_integer_test_table WHERE toInt32(val) == 0;" 2>&1 |grep -q "1 marks to read from" && echo "monotonic int case: UInt32 -> Int32"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.unsigned_integer_test_table WHERE toUInt32(val) == 0;" 2>&1 |grep -q "1 marks to read from" && echo "monotonic int case: UInt32 -> UInt32"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.unsigned_integer_test_table WHERE toInt16(val) == 0;" 2>&1 |grep -q "4 marks to read from" && echo "monotonic int case: UInt32 -> Int16"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.unsigned_integer_test_table WHERE toUInt16(val) == 0;" 2>&1 |grep -q "4 marks to read from" && echo "monotonic int case: UInt32 -> UInt16"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.enum_test_table WHERE toInt32(val) == 1;" 2>&1 |grep -q "1 marks to read from" && echo "monotonic int case: Enum16 -> Int32"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.enum_test_table WHERE toUInt32(val) == 1;" 2>&1 |grep -q "1 marks to read from" && echo "monotonic int case: Enum16 -> UInt32"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.enum_test_table WHERE toInt16(val) == 1;" 2>&1 |grep -q "1 marks to read from" && echo "monotonic int case: Enum16 -> Int16"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.enum_test_table WHERE toUInt16(val) == 1;" 2>&1 |grep -q "1 marks to read from" && echo "monotonic int case: Enum16 -> UInt16"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.enum_test_table WHERE toInt8(val) == 1;" 2>&1 |grep -q "5 marks to read from" && echo "monotonic int case: Enum16 -> Int8"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.enum_test_table WHERE toUInt8(val) == 1;" 2>&1 |grep -q "5 marks to read from" && echo "monotonic int case: Enum16 -> UInt8"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.date_test_table WHERE toInt32(val) == 1;" 2>&1 |grep -q "1 marks to read from" && echo "monotonic int case: Date -> Int32"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.date_test_table WHERE toUInt32(val) == 1;" 2>&1 |grep -q "1 marks to read from" && echo "monotonic int case: Date -> UInt32"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.date_test_table WHERE toInt16(val) == 1;" 2>&1 |grep -q "1 marks to read from" && echo "monotonic int case: Date -> Int16"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.date_test_table WHERE toUInt16(val) == 1;" 2>&1 |grep -q "1 marks to read from" && echo "monotonic int case: Date -> UInt16"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.date_test_table WHERE toInt8(val) == 1;" 2>&1 |grep -q "5 marks to read from" && echo "monotonic int case: Date -> Int8"
${CLICKHOUSE_CLIENT} --query="SELECT count() FROM test.date_test_table WHERE toUInt8(val) == 1;" 2>&1 |grep -q "5 marks to read from" && echo "monotonic int case: Date -> UInt8"
export CLICKHOUSE_CLIENT=`echo ${CLICKHOUSE_CLIENT} |sed 's/debug/'"${CLICKHOUSE_CLIENT_SERVER_LOGS_LEVEL}"'/g'`
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.string_test_table;"
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.fixed_string_test_table;"
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.signed_integer_test_table;"
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.unsigned_integer_test_table;"
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.enum_test_table;"
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.date_test_table;"
${CLICKHOUSE_CLIENT} --query="SYSTEM START MERGES;"