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https://github.com/MariaDB/server.git
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WL#2353 EXPLAIN support for condition pushdown
This commit is contained in:
unknown
parent
87b40f2013
commit
9f4c18f044
3 changed files with 784 additions and 9 deletions
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@ -278,6 +278,35 @@ pk1 attr1 attr2 attr3 attr4 pk1 attr1 attr2 attr3 attr4
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3 3 9223372036854775805 3 d 3 3 9223372036854775805 3 d
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4 4 9223372036854775806 4 e 4 4 9223372036854775806 4 e
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set engine_condition_pushdown = on;
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explain
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select auto from t1 where
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string = "aaaa" and
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vstring = "aaaa" and
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bin = 0xAAAA and
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vbin = 0xAAAA and
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tiny = -1 and
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short = -1 and
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medium = -1 and
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long_int = -1 and
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longlong = -1 and
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real_float > 1.0 and real_float < 2.0 and
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real_double > 1.0 and real_double < 2.0 and
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real_decimal > 1.0 and real_decimal < 2.0 and
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utiny = 1 and
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ushort = 1 and
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umedium = 1 and
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ulong = 1 and
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ulonglong = 1 and
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/* bits = b'001' and */
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options = 'one' and
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flags = 'one' and
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date_field = '1901-01-01' and
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year_field = '1901' and
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time_field = '01:01:01' and
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date_time = '1901-01-01 01:01:01'
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where with pushed condition; Using filesort
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select auto from t1 where
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string = "aaaa" and
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vstring = "aaaa" and
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@ -306,6 +335,35 @@ date_time = '1901-01-01 01:01:01'
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order by auto;
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auto
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1
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explain
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select auto from t1 where
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string != "aaaa" and
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vstring != "aaaa" and
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bin != 0xAAAA and
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vbin != 0xAAAA and
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tiny != -1 and
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short != -1 and
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medium != -1 and
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long_int != -1 and
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longlong != -1 and
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(real_float < 1.0 or real_float > 2.0) and
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(real_double < 1.0 or real_double > 2.0) and
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(real_decimal < 1.0 or real_decimal > 2.0) and
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utiny != 1 and
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ushort != 1 and
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umedium != 1 and
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ulong != 1 and
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ulonglong != 1 and
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/* bits != b'001' and */
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options != 'one' and
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flags != 'one' and
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date_field != '1901-01-01' and
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year_field != '1901' and
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time_field != '01:01:01' and
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date_time != '1901-01-01 01:01:01'
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where with pushed condition; Using filesort
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select auto from t1 where
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string != "aaaa" and
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vstring != "aaaa" and
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@ -336,6 +394,35 @@ auto
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2
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3
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4
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explain
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select auto from t1 where
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string > "aaaa" and
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vstring > "aaaa" and
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bin > 0xAAAA and
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vbin > 0xAAAA and
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tiny < -1 and
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short < -1 and
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medium < -1 and
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long_int < -1 and
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longlong < -1 and
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real_float > 1.1 and
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real_double > 1.1 and
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real_decimal > 1.1 and
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utiny > 1 and
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ushort > 1 and
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umedium > 1 and
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ulong > 1 and
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ulonglong > 1 and
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/* bits > b'001' and */
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(options = 'two' or options = 'three' or options = 'four') and
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(flags = 'one,two' or flags = 'one,two,three' or flags = 'one,two,three,four') and
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date_field > '1901-01-01' and
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year_field > '1901' and
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time_field > '01:01:01' and
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date_time > '1901-01-01 01:01:01'
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where with pushed condition; Using filesort
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select auto from t1 where
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string > "aaaa" and
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vstring > "aaaa" and
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@ -366,6 +453,35 @@ auto
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2
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3
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4
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explain
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select auto from t1 where
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string >= "aaaa" and
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vstring >= "aaaa" and
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bin >= 0xAAAA and
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vbin >= 0xAAAA and
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tiny <= -1 and
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short <= -1 and
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medium <= -1 and
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long_int <= -1 and
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longlong <= -1 and
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real_float >= 1.0 and
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real_double >= 1.0 and
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real_decimal >= 1.0 and
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utiny >= 1 and
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ushort >= 1 and
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umedium >= 1 and
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ulong >= 1 and
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ulonglong >= 1 and
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/* bits >= b'001' and */
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(options = 'one' or options = 'two' or options = 'three' or options = 'four') and
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(flags = 'one' or flags = 'one,two' or flags = 'one,two,three' or flags = 'one,two,three,four') and
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date_field >= '1901-01-01' and
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year_field >= '1901' and
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time_field >= '01:01:01' and
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date_time >= '1901-01-01 01:01:01'
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where with pushed condition; Using filesort
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select auto from t1 where
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string >= "aaaa" and
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vstring >= "aaaa" and
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@ -397,6 +513,35 @@ auto
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2
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3
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4
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explain
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select auto from t1 where
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string < "dddd" and
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vstring < "dddd" and
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bin < 0xDDDD and
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vbin < 0xDDDD and
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tiny > -4 and
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short > -4 and
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medium > -4 and
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long_int > -4 and
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longlong > -4 and
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real_float < 4.4 and
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real_double < 4.4 and
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real_decimal < 4.4 and
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utiny < 4 and
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ushort < 4 and
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umedium < 4 and
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ulong < 4 and
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ulonglong < 4 and
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/* bits < b'100' and */
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(options = 'one' or options = 'two' or options = 'three') and
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(flags = 'one' or flags = 'one,two' or flags = 'one,two,three') and
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date_field < '1904-01-01' and
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year_field < '1904' and
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time_field < '04:04:04' and
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date_time < '1904-04-04 04:04:04'
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where with pushed condition; Using filesort
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select auto from t1 where
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string < "dddd" and
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vstring < "dddd" and
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@ -427,6 +572,35 @@ auto
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1
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2
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3
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explain
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select auto from t1 where
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string <= "dddd" and
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vstring <= "dddd" and
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bin <= 0xDDDD and
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vbin <= 0xDDDD and
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tiny >= -4 and
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short >= -4 and
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medium >= -4 and
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long_int >= -4 and
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longlong >= -4 and
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real_float <= 4.5 and
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real_double <= 4.5 and
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real_decimal <= 4.5 and
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utiny <= 4 - 1 + 1 and /* Checking function composition */
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ushort <= 4 and
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umedium <= 4 and
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ulong <= 4 and
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ulonglong <= 4 and
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/* bits <= b'100' and */
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(options = 'one' or options = 'two' or options = 'three' or options = 'four') and
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(flags = 'one' or flags = 'one,two' or flags = 'one,two,three' or flags = 'one,two,three,four') and
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date_field <= '1904-04-04' and
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year_field <= '1904' and
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time_field <= '04:04:04' and
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date_time <= '1904-04-04 04:04:04'
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where with pushed condition; Using filesort
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select auto from t1 where
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string <= "dddd" and
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vstring <= "dddd" and
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@ -459,6 +633,35 @@ auto
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3
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4
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create index medium_index on t1(medium);
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explain
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select auto from t1 where
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string = "aaaa" and
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vstring = "aaaa" and
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bin = 0xAAAA and
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vbin = 0xAAAA and
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tiny = -1 and
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short = -1 and
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medium = -1 and
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long_int = -1 and
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longlong = -1 and
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real_float > 1.0 and real_float < 2.0 and
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real_double > 1.0 and real_double < 2.0 and
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real_decimal > 1.0 and real_decimal < 2.0 and
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utiny = 1 and
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ushort = 1 and
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umedium = 1 and
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ulong = 1 and
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ulonglong = 1 and
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/* bits = b'001' and */
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options = 'one' and
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flags = 'one' and
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date_field = '1901-01-01' and
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year_field = '1901' and
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time_field = '01:01:01' and
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date_time = '1901-01-01 01:01:01'
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref medium_index medium_index 3 const 10 Using where with pushed condition; Using filesort
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select auto from t1 where
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string = "aaaa" and
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vstring = "aaaa" and
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@ -487,6 +690,35 @@ date_time = '1901-01-01 01:01:01'
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order by auto;
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auto
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1
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explain
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select auto from t1 where
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string != "aaaa" and
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vstring != "aaaa" and
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bin != 0xAAAA and
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vbin != 0xAAAA and
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tiny != -1 and
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short != -1 and
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medium != -1 and
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long_int != -1 and
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longlong != -1 and
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(real_float < 1.0 or real_float > 2.0) and
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(real_double < 1.0 or real_double > 2.0) and
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(real_decimal < 1.0 or real_decimal > 2.0) and
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utiny != 1 and
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ushort != 1 and
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umedium != 1 and
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ulong != 1 and
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ulonglong != 1 and
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/* bits != b'001' and */
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options != 'one' and
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flags != 'one' and
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date_field != '1901-01-01' and
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year_field != '1901' and
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time_field != '01:01:01' and
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date_time != '1901-01-01 01:01:01'
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range medium_index medium_index 3 NULL 20 Using where with pushed condition; Using filesort
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select auto from t1 where
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string != "aaaa" and
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vstring != "aaaa" and
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@ -517,6 +749,35 @@ auto
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2
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3
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4
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explain
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select auto from t1 where
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string > "aaaa" and
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vstring > "aaaa" and
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bin > 0xAAAA and
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vbin > 0xAAAA and
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tiny < -1 and
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short < -1 and
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medium < -1 and
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long_int < -1 and
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longlong < -1 and
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real_float > 1.1 and
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real_double > 1.1 and
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real_decimal > 1.1 and
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utiny > 1 and
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ushort > 1 and
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umedium > 1 and
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ulong > 1 and
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ulonglong > 1 and
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/* bits > b'001' and */
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(options = 'two' or options = 'three' or options = 'four') and
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(flags = 'one,two' or flags = 'one,two,three' or flags = 'one,two,three,four') and
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date_field > '1901-01-01' and
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year_field > '1901' and
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time_field > '01:01:01' and
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date_time > '1901-01-01 01:01:01'
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range medium_index medium_index 3 NULL 10 Using where with pushed condition; Using filesort
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select auto from t1 where
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string > "aaaa" and
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vstring > "aaaa" and
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@ -547,6 +808,35 @@ auto
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2
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3
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4
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explain
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select auto from t1 where
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string >= "aaaa" and
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vstring >= "aaaa" and
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bin >= 0xAAAA and
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vbin >= 0xAAAA and
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tiny <= -1 and
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short <= -1 and
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medium <= -1 and
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long_int <= -1 and
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longlong <= -1 and
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real_float >= 1.0 and
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real_double >= 1.0 and
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real_decimal >= 1.0 and
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utiny >= 1 and
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ushort >= 1 and
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umedium >= 1 and
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ulong >= 1 and
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ulonglong >= 1 and
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/* bits >= b'001' and */
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(options = 'one' or options = 'two' or options = 'three' or options = 'four') and
|
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(flags = 'one' or flags = 'one,two' or flags = 'one,two,three' or flags = 'one,two,three,four') and
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date_field >= '1901-01-01' and
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year_field >= '1901' and
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time_field >= '01:01:01' and
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date_time >= '1901-01-01 01:01:01'
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range medium_index medium_index 3 NULL 10 Using where with pushed condition; Using filesort
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select auto from t1 where
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string >= "aaaa" and
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vstring >= "aaaa" and
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@ -578,6 +868,35 @@ auto
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2
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3
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4
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explain
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select auto from t1 where
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string < "dddd" and
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vstring < "dddd" and
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bin < 0xDDDD and
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vbin < 0xDDDD and
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tiny > -4 and
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short > -4 and
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medium > -4 and
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long_int > -4 and
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longlong > -4 and
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real_float < 4.4 and
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real_double < 4.4 and
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real_decimal < 4.4 and
|
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utiny < 4 and
|
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ushort < 4 and
|
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umedium < 4 and
|
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ulong < 4 and
|
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ulonglong < 4 and
|
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/* bits < b'100' and */
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(options = 'one' or options = 'two' or options = 'three') and
|
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(flags = 'one' or flags = 'one,two' or flags = 'one,two,three') and
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date_field < '1904-01-01' and
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year_field < '1904' and
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time_field < '04:04:04' and
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date_time < '1904-04-04 04:04:04'
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range medium_index medium_index 3 NULL 10 Using where with pushed condition; Using filesort
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select auto from t1 where
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string < "dddd" and
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vstring < "dddd" and
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@ -608,6 +927,35 @@ auto
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1
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2
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3
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explain
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select auto from t1 where
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string <= "dddd" and
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vstring <= "dddd" and
|
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bin <= 0xDDDD and
|
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vbin <= 0xDDDD and
|
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tiny >= -4 and
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short >= -4 and
|
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medium >= -4 and
|
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long_int >= -4 and
|
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longlong >= -4 and
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real_float <= 4.5 and
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real_double <= 4.5 and
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real_decimal <= 4.5 and
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utiny <= 4 - 1 + 1 and /* Checking function composition */
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ushort <= 4 and
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umedium <= 4 and
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ulong <= 4 and
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ulonglong <= 4 and
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/* bits <= b'100' and */
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(options = 'one' or options = 'two' or options = 'three' or options = 'four') and
|
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(flags = 'one' or flags = 'one,two' or flags = 'one,two,three' or flags = 'one,two,three,four') and
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date_field <= '1904-04-04' and
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year_field <= '1904' and
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time_field <= '04:04:04' and
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date_time <= '1904-04-04 04:04:04'
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range medium_index medium_index 3 NULL 10 Using where with pushed condition; Using filesort
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select auto from t1 where
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string <= "dddd" and
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vstring <= "dddd" and
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@ -639,6 +987,15 @@ auto
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2
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3
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4
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explain
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select auto from t1 where
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string like "b%" and
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vstring like "b%" and
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bin like concat(0xBB, '%') and
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vbin like concat(0xBB, '%')
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order by auto;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where with pushed condition; Using filesort
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select auto from t1 where
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string like "b%" and
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vstring like "b%" and
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|
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@ -647,6 +1004,15 @@ vbin like concat(0xBB, '%')
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order by auto;
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auto
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2
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explain
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select auto from t1 where
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string not like "b%" and
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||||
vstring not like "b%" and
|
||||
bin not like concat(0xBB, '%') and
|
||||
vbin not like concat(0xBB, '%')
|
||||
order by auto;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where with pushed condition; Using filesort
|
||||
select auto from t1 where
|
||||
string not like "b%" and
|
||||
vstring not like "b%" and
|
||||
|
|
@ -657,41 +1023,65 @@ auto
|
|||
1
|
||||
3
|
||||
4
|
||||
explain
|
||||
select * from t2 where attr3 is null or attr1 > 2 and pk1= 3 order by pk1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 6 Using where with pushed condition; Using filesort
|
||||
select * from t2 where attr3 is null or attr1 > 2 and pk1= 3 order by pk1;
|
||||
pk1 attr1 attr2 attr3
|
||||
2 2 NULL NULL
|
||||
3 3 3 d
|
||||
explain
|
||||
select * from t2 where attr3 is not null and attr1 > 2 order by pk1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where with pushed condition; Using filesort
|
||||
select * from t2 where attr3 is not null and attr1 > 2 order by pk1;
|
||||
pk1 attr1 attr2 attr3
|
||||
3 3 3 d
|
||||
4 4 4 e
|
||||
5 5 5 f
|
||||
explain
|
||||
select * from t3 where attr2 > 9223372036854775803 and attr3 != 3 order by pk1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t3 ALL NULL NULL NULL NULL 6 Using where with pushed condition; Using filesort
|
||||
select * from t3 where attr2 > 9223372036854775803 and attr3 != 3 order by pk1;
|
||||
pk1 attr1 attr2 attr3 attr4
|
||||
2 2 9223372036854775804 2 c
|
||||
4 4 9223372036854775806 4 e
|
||||
5 5 9223372036854775807 5 f
|
||||
explain
|
||||
select * from t2,t3 where t2.attr1 < 1 and t2.attr2 = t3.attr2 and t3.attr1 < 5 order by t2.pk1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where with pushed condition; Using temporary; Using filesort
|
||||
1 SIMPLE t3 ALL NULL NULL NULL NULL 6 Using where with pushed condition
|
||||
select * from t2,t3 where t2.attr1 < 1 and t2.attr2 = t3.attr2 and t3.attr1 < 5 order by t2.pk1;
|
||||
pk1 attr1 attr2 attr3 pk1 attr1 attr2 attr3 attr4
|
||||
0 0 0 a 0 0 0 0 a
|
||||
explain
|
||||
select * from t4 where attr1 < 5 and attr2 > 9223372036854775803 and attr3 != 3 order by t4.pk1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t4 range attr1 attr1 4 NULL 10 Using where with pushed condition; Using filesort
|
||||
select * from t4 where attr1 < 5 and attr2 > 9223372036854775803 and attr3 != 3 order by t4.pk1;
|
||||
pk1 attr1 attr2 attr3 attr4
|
||||
2 2 9223372036854775804 2 c
|
||||
4 4 9223372036854775806 4 e
|
||||
explain
|
||||
select * from t3,t4 where t4.attr1 > 1 and t4.attr2 = t3.attr2 and t4.attr3 < 5 order by t4.pk1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t4 range attr1 attr1 4 NULL 10 Using where with pushed condition; Using temporary; Using filesort
|
||||
1 SIMPLE t3 ALL NULL NULL NULL NULL 6 Using where
|
||||
select * from t3,t4 where t4.attr1 > 1 and t4.attr2 = t3.attr2 and t4.attr3 < 5 order by t4.pk1;
|
||||
pk1 attr1 attr2 attr3 attr4 pk1 attr1 attr2 attr3 attr4
|
||||
2 2 9223372036854775804 2 c 2 2 9223372036854775804 2 c
|
||||
3 3 9223372036854775805 3 d 3 3 9223372036854775805 3 d
|
||||
4 4 9223372036854775806 4 e 4 4 9223372036854775806 4 e
|
||||
explain
|
||||
select auto from t1 where string = "aaaa" collate latin1_general_ci order by auto;
|
||||
auto
|
||||
1
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using where; Using filesort
|
||||
explain
|
||||
select * from t2 where (attr1 < 2) = (attr2 < 2) order by pk1;
|
||||
pk1 attr1 attr2 attr3
|
||||
0 0 0 a
|
||||
1 1 1 b
|
||||
3 3 3 d
|
||||
4 4 4 e
|
||||
5 5 5 f
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using filesort
|
||||
set engine_condition_pushdown = @old_ecpd;
|
||||
DROP TABLE t1,t2,t3,t4;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue