# 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 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 tabfunc01-1.2 { 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 the "main" schema only # do_execsql_test tabfunc01-4.1 { SELECT * FROM main.generate_series(1,4) } {1 2 3 4} do_catchsql_test tabfunc01-4.2 { SELECT * FROM temp.generate_series(1,4) } {1 {no such table: temp.generate_series}} do_catchsql_test tabfunc01-4.3 { ATTACH ':memory:' AS aux1; CREATE TABLE aux1.t1(a,b,c); SELECT * FROM aux1.generate_series(1,4) } {1 {no such table: aux1.generate_series}} # 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 PTR [intarray_addr 5 7 13 17 23] db eval { SELECT b FROM t600, carray($PTR,5) WHERE a=value; } } {(005) (007) (013) (017) (023)} do_test tabfunc01-701 { db eval { SELECT b FROM t600 WHERE a IN carray($PTR,5,'int32'); } } {(005) (007) (013) (017) (023)} do_test tabfunc01-702 { db eval { SELECT b FROM t600 WHERE a IN carray($PTR,4,'int32'); } } {(005) (007) (013) (017)} do_catchsql_test tabfunc01-710 { SELECT b FROM t600 WHERE a IN carray($PTR,5,'int33'); } {1 {unknown datatype: 'int33'}} do_test tabfunc01-720 { set PTR [int64array_addr 5 7 13 17 23] db eval { SELECT b FROM t600, carray($PTR,5,'int64') WHERE a=value; } } {(005) (007) (013) (017) (023)} do_test tabfunc01-730 { set PTR [doublearray_addr 5.0 7.0 13.0 17.0 23.0] db eval { SELECT b FROM t600, carray($PTR,5,'double') WHERE a=value; } } {(005) (007) (013) (017) (023)} do_test tabfunc01-740 { set PTR [textarray_addr 5 7 13 17 23] db eval { SELECT b FROM t600, carray($PTR,5,'char*') WHERE a=value; } } {(005) (007) (013) (017) (023)} intarray_addr int64array_addr doublearray_addr textarray_addr finish_test