sqlite/test/tabfunc01.test
drh 9196c81406 Eponymous virtual tables appear to exist in all schemas. This is an alternative
and improved fix to the eponymous virtual table in trigger problem that
was previously addressed by checkin [1fa74930ab56171e].

FossilOrigin-Name: b8d35c4a7c99ce3753761e5b81269d52c3c910c603fa70b72549883ba68bc485
2018-11-05 16:38:10 +00:00

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# 2015-08-19
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
#
# This file implements tests for table-valued-functions implemented using
# eponymous virtual tables.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix tabfunc01
ifcapable !vtab {
finish_test
return
}
load_static_extension db series
load_static_extension db carray
load_static_extension db remember
do_execsql_test tabfunc01-1.1 {
SELECT *, '|' FROM generate_series WHERE start=1 AND stop=9 AND step=2;
} {1 | 3 | 5 | 7 | 9 |}
do_execsql_test tabfunc01-1.1b {
PRAGMA table_xinfo(generate_series);
} {0 value {} 0 {} 0 0 1 start {} 0 {} 0 1 2 stop {} 0 {} 0 1 3 step {} 0 {} 0 1}
do_execsql_test tabfunc01-1.2 {
SELECT *, '|' FROM generate_series LIMIT 5;
} {0 | 1 | 2 | 3 | 4 |}
do_catchsql_test tabfunc01-1.3 {
CREATE VIRTUAL TABLE t1 USING generate_series;
} {1 {no such module: generate_series}}
do_execsql_test tabfunc01-1.4 {
SELECT * FROM generate_series(1,9,2);
} {1 3 5 7 9}
do_execsql_test tabfunc01-1.5 {
SELECT * FROM generate_series(1,9);
} {1 2 3 4 5 6 7 8 9}
do_execsql_test tabfunc01-1.6 {
SELECT * FROM generate_series(1,10) WHERE step=3;
} {1 4 7 10}
do_catchsql_test tabfunc01-1.7 {
SELECT * FROM generate_series(1,9,2,11);
} {1 {too many arguments on generate_series() - max 3}}
do_execsql_test tabfunc01-1.8 {
SELECT * FROM generate_series(0,32,5) ORDER BY rowid DESC;
} {30 25 20 15 10 5 0}
do_execsql_test tabfunc01-1.9 {
SELECT rowid, * FROM generate_series(0,32,5) ORDER BY value DESC;
} {1 30 2 25 3 20 4 15 5 10 6 5 7 0}
do_execsql_test tabfunc01-1.10 {
SELECT rowid, * FROM generate_series(0,32,5) ORDER BY +value DESC;
} {7 30 6 25 5 20 4 15 3 10 2 5 1 0}
do_execsql_test tabfunc01-1.20 {
CREATE VIEW v1(a,b) AS VALUES(1,2),(3,4);
SELECT * FROM v1;
} {1 2 3 4}
do_catchsql_test tabfunc01-1.21.1 {
SELECT * FROM v1(55);
} {1 {'v1' is not a function}}
do_catchsql_test tabfunc01-1.21.2 {
SELECT * FROM v1();
} {1 {'v1' is not a function}}
do_execsql_test tabfunc01-1.22 {
CREATE VIEW v2(x) AS SELECT value FROM generate_series(1,5);
SELECT * FROM v2;
} {1 2 3 4 5}
do_catchsql_test tabfunc01-1.23.1 {
SELECT * FROM v2(55);
} {1 {'v2' is not a function}}
do_catchsql_test tabfunc01-1.23.2 {
SELECT * FROM v2();
} {1 {'v2' is not a function}}
do_execsql_test tabfunc01-1.24 {
CREATE TABLE t0(x);
INSERT INTO t0(x) VALUES(123),(456),(789);
SELECT * FROM t0 ORDER BY x;
} {123 456 789}
do_catchsql_test tabfunc01-1.25 {
SELECT * FROM t0(55) ORDER BY x;
} {1 {'t0' is not a function}}
do_catchsql_test tabfunc01-1.26 {
WITH w0 AS (SELECT * FROM t0)
INSERT INTO t0(x) SELECT * FROM w0()
} {1 {'w0' is not a function}}
do_execsql_test tabfunc01-2.1 {
CREATE TABLE t1(x);
INSERT INTO t1(x) VALUES(2),(3);
SELECT *, '|' FROM t1, generate_series(1,x) ORDER BY 1, 2
} {2 1 | 2 2 | 3 1 | 3 2 | 3 3 |}
do_execsql_test tabfunc01-2.2 {
SELECT *, '|' FROM (SELECT x FROM t1) AS y, generate_series(1,y.x)
ORDER BY 1, 2;
} {2 1 | 2 2 | 3 1 | 3 2 | 3 3 |}
do_execsql_test tabfunc01-2.50 {
SELECT * FROM generate_series() LIMIT 5;
} {0 1 2 3 4}
do_execsql_test tabfunc01-3.1 {
SELECT DISTINCT value FROM generate_series(1,x), t1 ORDER BY 1;
} {1 2 3}
# Eponymous virtual table exists in all schemas.
#
do_execsql_test tabfunc01-4.1 {
SELECT * FROM main.generate_series(1,4)
} {1 2 3 4}
do_execsql_test tabfunc01-4.2 {
SELECT * FROM temp.generate_series(1,4)
} {1 2 3 4}
do_execsql_test tabfunc01-4.3 {
ATTACH ':memory:' AS aux1;
CREATE TABLE aux1.t1(a,b,c);
SELECT * FROM aux1.generate_series(1,4)
} {1 2 3 4}
# The next series of tests is verifying that virtual table are able
# to optimize the IN operator, even on terms that are not marked "omit".
# When the generate_series virtual table is compiled for the testfixture,
# the special -DSQLITE_SERIES_CONSTRAINT_VERIFY=1 option is used, which
# causes the xBestIndex method of generate_series to leave the
# sqlite3_index_constraint_usage.omit flag set to 0, which should cause
# the SQLite core to verify the start=, stop=, and step= constraints on
# each step of output. At one point, the IN operator could not be used
# by virtual tables unless omit was set.
#
do_execsql_test tabfunc01-500 {
SELECT * FROM generate_series WHERE start IN (1,7) AND stop=20 AND step=10
ORDER BY +1;
} {1 7 11 17}
# Table-valued functions on the RHS of an IN operator
#
do_execsql_test tabfunc01-600 {
CREATE TABLE t600(a INTEGER PRIMARY KEY, b TEXT);
WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100)
INSERT INTO t600(a,b) SELECT x, printf('(%03d)',x) FROM c;
SELECT b FROM t600 WHERE a IN generate_series(2,52,10);
} {(002) (012) (022) (032) (042) (052)}
do_test tabfunc01-700 {
set PTR1 [intarray_addr 5 7 13 17 23]
db eval {
SELECT b FROM t600, carray(inttoptr($PTR1),5) WHERE a=value;
}
} {(005) (007) (013) (017) (023)}
do_test tabfunc01-701 {
db eval {
SELECT b FROM t600 WHERE a IN carray(inttoptr($PTR1),5,'int32');
}
} {(005) (007) (013) (017) (023)}
do_test tabfunc01-702 {
db eval {
SELECT b FROM t600 WHERE a IN carray(inttoptr($PTR1),4,'int32');
}
} {(005) (007) (013) (017)}
do_catchsql_test tabfunc01-710 {
SELECT b FROM t600 WHERE a IN carray(inttoptr($PTR1),5,'int33');
} {1 {unknown datatype: 'int33'}}
do_test tabfunc01-720 {
set PTR2 [int64array_addr 5 7 13 17 23]
db eval {
SELECT b FROM t600, carray(inttoptr($PTR2),5,'int64') WHERE a=value;
}
} {(005) (007) (013) (017) (023)}
do_test tabfunc01-721 {
db eval {
SELECT remember(123,inttoptr($PTR2));
SELECT value FROM carray(inttoptr($PTR2),5,'int64');
}
} {123 123 7 13 17 23}
do_test tabfunc01-722 {
set PTR3 [expr {$PTR2+16}]
db eval {
SELECT remember(987,inttoptr($PTR3));
SELECT value FROM carray(inttoptr($PTR2),5,'int64');
}
} {987 123 7 987 17 23}
do_test tabfunc01-730 {
set PTR4 [doublearray_addr 5.0 7.0 13.0 17.0 23.0]
db eval {
SELECT b FROM t600, carray(inttoptr($PTR4),5,'double') WHERE a=value;
}
} {(005) (007) (013) (017) (023)}
do_test tabfunc01-740 {
set PTR5 [textarray_addr x5 x7 x13 x17 x23]
db eval {
SELECT b FROM t600, carray(inttoptr($PTR5),5,'char*')
WHERE a=trim(value,'x');
}
} {(005) (007) (013) (017) (023)}
do_test tabfunc01-750 {
db eval {
SELECT aa.value, bb.value, '|'
FROM carray(inttoptr($PTR4),5,'double') AS aa
JOIN carray(inttoptr($PTR5),5,'char*') AS bb ON aa.rowid=bb.rowid;
}
} {5.0 x5 | 7.0 x7 | 13.0 x13 | 17.0 x17 | 23.0 x23 |}
# Free up memory allocations
intarray_addr
int64array_addr
doublearray_addr
textarray_addr
finish_test