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|
query:
SELECT distinct select_item FROM lineitem index_hint WHERE where order_by |
SELECT aggregate key_field ) FROM lineitem WHERE where ;
order_by:
| | ORDER BY key_field , l_orderkey , l_linenumber ;
distinct:
| | | | DISTINCT ;
where:
where_list and_or where_list |
( where_list ) and_or ( where_list ) ;
where_list:
( where_item ) and_or ( where_list ) |
( where_item ) and_or ( where_item ) |
where_item and_or where_list |
where_item and_or where_item |
where_item and_or where_item and_or where_item |
where_item ;
where_item:
key_clause |
key_clause or_and key_clause ;
key_clause:
linenumber_clause |
shipdate_clause |
partkey_clause |
suppkey_clause |
receiptdate_clause |
orderkey_clause |
quantity_clause |
commitdate_clause ;
aggregate:
MIN( | MAX( | COUNT( | COUNT( ;
and_or:
AND | AND | AND | AND | OR ;
or_and:
OR | OR | OR | OR | AND ;
comp_op:
= | = | = | = | = | = |
!= | > | >= | < | <= | <> ;
not:
| | | | | | | | | NOT ;
shipdate_clause:
l_shipdate comp_op any_date |
l_shipdate not IN ( date_list ) |
l_shipdate date_between ;
date_list:
date_item , date_item |
date_list , date_item ;
date_item:
any_date | any_date | any_date | any_date | any_date |
any_date | any_date | any_date | any_date | any_date |
any_date | any_date | any_date | any_date | any_date |
any_date | any_date | any_date | any_date | any_date |
'1992-01-08' | '1998-11-27' ;
date_between:
BETWEEN date_item AND date_item |
between_two_dates_in_a_year |
between_two_dates_in_a_month |
within_a_month ;
day_month_year:
DAY | MONTH | YEAR ;
any_date:
{ sprintf("'%04d-%02d-%02d'", $prng->uint16(1992,1998), $prng->uint16(1,12), $prng->uint16(1,28)) } ;
between_two_dates_in_a_year:
{ my $year = $prng->uint16(1992,1998); return sprintf("BETWEEN '%04d-%02d-%02d' AND '%04d-%02d-%02d'", $year, $prng->uint16(1,12), $prng->uint16(1,28), $year, $prng->uint16(1,12), $prng->uint16(1,28)) } ;
between_two_dates_in_a_month:
{ my $year = $prng->uint16(1992,1998); my $month = $prng->uint16(1,12); return sprintf("BETWEEN '%04d-%02d-%02d' AND '%04d-%02d-%02d'", $year, $month, $prng->uint16(1,28), $year, $month, $prng->uint16(1,28)) } ;
within_a_month:
{ my $year = $prng->uint16(1992,1998); my $month = $prng->uint16(1,12); return sprintf("BETWEEN '%04d-%02d-01' AND '%04d-%02d-29'", $year, $month, $year, $month) } ;
# LINENUMBER
linenumber_clause:
l_linenumber comp_op linenumber_item |
l_linenumber not IN ( linenumber_list ) |
l_linenumber BETWEEN linenumber_item AND linenumber_item + linenumber_range ;
linenumber_list:
linenumber_item , linenumber_item |
linenumber_item , linenumber_list ;
linenumber_item:
_digit;
linenumber_range:
_digit ;
# PARTKEY
partkey_clause:
l_partkey comp_op partkey_item |
l_partkey not IN ( partkey_list ) |
l_partkey BETWEEN partkey_item AND partkey_item + partkey_range ;
partkey_list:
partkey_item , partkey_item |
partkey_item , partkey_list ;
partkey_range:
_digit | _tinyint_unsigned;
partkey_item:
_tinyint_unsigned | _tinyint_unsigned | _tinyint_unsigned | _tinyint_unsigned | _tinyint_unsigned |
_tinyint_unsigned | _tinyint_unsigned | _tinyint_unsigned | _tinyint_unsigned | _tinyint_unsigned |
_tinyint_unsigned | _tinyint_unsigned | _tinyint_unsigned | _tinyint_unsigned | _tinyint_unsigned |
_tinyint_unsigned | _tinyint_unsigned | _tinyint_unsigned | _tinyint_unsigned | _tinyint_unsigned |
_digit | 200 | 0 ;
# SUPPKEY
suppkey_clause:
l_suppkey comp_op suppkey_item |
l_suppkey not IN ( suppkey_list ) |
l_suppkey BETWEEN suppkey_item AND suppkey_item + _digit ;
suppkey_item:
_digit | 10 ;
suppkey_list:
suppkey_item , suppkey_item |
suppkey_item , suppkey_list ;
# RECEPITDATE
receiptdate_clause:
l_receiptDATE comp_op any_date |
l_receiptDATE not IN ( date_list ) |
l_receiptDATE date_between ;
# COMMITDATE
commitdate_clause:
l_commitDATE comp_op any_date |
l_commitDATE not IN ( date_list ) |
l_commitDATE date_between ;
# ORDERKEY
orderkey_clause:
l_orderkey comp_op orderkey_item |
l_orderkey not IN ( orderkey_list ) |
l_orderkey BETWEEN orderkey_item AND orderkey_item + orderkey_range ;
orderkey_item:
_tinyint_unsigned | { $prng->uint16(1,1500) } ;
orderkey_list:
orderkey_item , orderkey_item |
orderkey_item , orderkey_list ;
orderkey_range:
_digit | _tinyint_unsigned ;
# QUANTITY
quantity_clause:
l_quantity comp_op quantity_item |
l_quantity not IN ( quantity_list ) |
l_quantity BETWEEN quantity_item AND quantity_item + quantity_range ;
quantity_list:
quantity_item , quantity_item |
quantity_item , quantity_list ;
quantity_item:
_digit | { $prng->uint16(1,50) } ;
quantity_range:
_digit ;
index_hint:
| FORCE KEY ( key_list );
key_list:
key_name , key_name |
key_name , key_list ;
select_item:
* | key_field ;
key_field:
l_linenumber |
l_shipdate |
l_partkey |
l_suppkey |
l_receiptdate |
l_orderkey |
l_quantity |
l_commitDATE ;
key_name:
PRIMARY |
i_l_shipdate |
i_l_suppkey_partkey |
i_l_partkey |
i_l_suppkey |
i_l_receiptdate |
i_l_orderkey |
i_l_orderkey_quantity |
i_l_commitdate ;
|