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|
# name: test/sql/copy/csv/test_csv_projection_pushdown.test
# description: Test CSV projection pushdown
# group: [csv]
statement ok
PRAGMA enable_verification
query II
select l_returnflag, l_linenumber from read_csv('{DATA_DIR}/csv/real/lineitem_sample.csv', delim='|', header=False, columns={
'l_orderkey': 'INT',
'l_partkey': 'INT',
'l_suppkey': 'INT',
'l_linenumber': 'INT',
'l_quantity': 'INTEGER',
'l_extendedprice': 'DECIMAL(15,2)',
'l_discount': 'DECIMAL(15,2)',
'l_tax': 'DECIMAL(15,2)',
'l_returnflag': 'VARCHAR(1)',
'l_linestatus': 'VARCHAR(1)',
'l_shipdate': 'DATE',
'l_commitdate': 'DATE',
'l_receiptdate': 'DATE',
'l_shipinstruct': 'VARCHAR(25)',
'l_shipmode': 'VARCHAR(10)',
'l_comment': 'VARCHAR(44)'
})
----
N 1
N 2
N 3
N 4
N 5
N 6
N 1
R 1
R 2
A 3
query I
SELECT COUNT(*) FROM '{DATA_DIR}/csv/real/lineitem_sample.csv'
----
10
statement ok
CREATE VIEW lineitem_csv AS SELECT * FROM read_csv('{DATA_DIR}/csv/real/lineitem_sample.csv', delim='|', header=False, columns={
'l_orderkey': 'INT',
'l_partkey': 'INT',
'l_suppkey': 'INT',
'l_linenumber': 'INT',
'l_quantity': 'INTEGER',
'l_extendedprice': 'DECIMAL(15,2)',
'l_discount': 'DECIMAL(15,2)',
'l_tax': 'DECIMAL(15,2)',
'l_returnflag': 'VARCHAR(1)',
'l_linestatus': 'VARCHAR(1)',
'l_shipdate': 'DATE',
'l_commitdate': 'DATE',
'l_receiptdate': 'DATE',
'l_shipinstruct': 'VARCHAR(25)',
'l_shipmode': 'VARCHAR(10)',
'l_comment': 'VARCHAR(44)'
})
statement ok
CREATE VIEW lineitem_csv_auto AS SELECT * FROM read_csv_auto('{DATA_DIR}/csv/real/lineitem_sample.csv', header=False) lineitem(l_orderkey, l_partkey, l_suppkey, l_linenumber, l_quantity, l_extendedprice, l_discount, l_tax, l_returnflag, l_linestatus, l_shipdate, l_commitdate, l_receiptdate, l_shipinstruct, l_shipmode, l_comment)
foreach lineitem lineitem_csv lineitem_csv_auto
query I
SELECT l_orderkey FROM ${lineitem}
----
1
1
1
1
1
1
2
3
3
3
query I
SELECT l_partkey FROM ${lineitem}
----
15519
6731
6370
214
2403
1564
10617
430
1904
12845
query I
SELECT l_shipdate FROM ${lineitem}
----
1996-03-13
1996-04-12
1996-01-29
1996-04-21
1996-03-30
1996-01-30
1997-01-28
1994-02-02
1993-11-09
1994-01-16
query I
SELECT COUNT(*) FROM ${lineitem}
----
10
endloop
# Test Projection over multiple buffers
query I
select count(*) from read_csv('{DATA_DIR}/csv/projection_buffer.csv', quote = '"', escape = '"', buffer_size=35)
----
27
query III
select d,b,a from read_csv('{DATA_DIR}/csv/projection_buffer.csv', quote = '"', escape = '"', buffer_size=35)
----
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
d" b" a"
|
