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+# 2017-07-15
+#
+# 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 regression tests for SQLite library. The
+# focus of this file is percentile.c extension
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix unionvtab
+
+ifcapable !vtab {
+ finish_test
+ return
+}
+
+load_static_extension db unionvtab
+
+#-------------------------------------------------------------------------
+# Warm body tests.
+#
+forcedelete test.db2
+do_execsql_test 1.0 {
+ ATTACH 'test.db2' AS aux;
+
+ CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT);
+ CREATE TABLE t2(a INTEGER PRIMARY KEY, b TEXT);
+ CREATE TABLE aux.t3(a INTEGER PRIMARY KEY, b TEXT);
+
+
+ INSERT INTO t1 VALUES(1, 'one'), (2, 'two'), (3, 'three');
+ INSERT INTO t2 VALUES(10, 'ten'), (11, 'eleven'), (12, 'twelve');
+ INSERT INTO t3 VALUES(20, 'twenty'), (21, 'twenty-one'), (22, 'twenty-two');
+}
+
+do_execsql_test 1.1 {
+ CREATE VIRTUAL TABLE temp.uuu USING unionvtab(
+ "VALUES(NULL, 't1', 1, 9), ('main', 't2', 10, 19), ('aux', 't3', 20, 29)"
+ );
+ SELECT * FROM uuu;
+} {
+ 1 one 2 two 3 three
+ 10 ten 11 eleven 12 twelve
+ 20 twenty 21 twenty-one 22 twenty-two
+}
+
+do_execsql_test 1.2 {
+ PRAGMA table_info(uuu);
+} {
+ 0 a INTEGER 0 {} 0
+ 1 b TEXT 0 {} 0
+}
+
+do_execsql_test 1.3 {
+ SELECT * FROM uuu WHERE rowid = 3;
+ SELECT * FROM uuu WHERE rowid = 11;
+} {3 three 11 eleven}
+
+do_execsql_test 1.4 {
+ SELECT * FROM uuu WHERE rowid IN (12, 10, 2);
+} {2 two 10 ten 12 twelve}
+
+do_execsql_test 1.5 {
+ SELECT * FROM uuu WHERE rowid BETWEEN 3 AND 11;
+} {3 three 10 ten 11 eleven}
+
+do_execsql_test 1.6 {
+ SELECT * FROM uuu WHERE rowid BETWEEN 11 AND 15;
+} {11 eleven 12 twelve}
+
+do_execsql_test 1.7 {
+ SELECT * FROM uuu WHERE rowid BETWEEN -46 AND 1500;
+} {
+ 1 one 2 two 3 three
+ 10 ten 11 eleven 12 twelve
+ 20 twenty 21 twenty-one 22 twenty-two
+}
+
+do_execsql_test 1.8 {
+ CREATE TABLE src(db, tbl, min, max);
+ INSERT INTO src VALUES(NULL, 't1', 1, 9);
+ INSERT INTO src VALUES('main', 't2', 10, 19);
+ INSERT INTO src VALUES('aux', 't3', 20, 29);
+ CREATE VIRTUAL TABLE temp.opp USING unionvtab(src);
+ SELECT * FROM opp;
+} {
+ 1 one 2 two 3 three
+ 10 ten 11 eleven 12 twelve
+ 20 twenty 21 twenty-one 22 twenty-two
+}
+
+do_execsql_test 1.9 {
+ CREATE VIRTUAL TABLE temp.qll USING unionvtab(
+ 'SELECT * FROM src WHERE db!=''xyz'''
+ );
+ SELECT * FROM qll WHERE rowid BETWEEN 10 AND 21;
+} {
+ 10 ten 11 eleven 12 twelve
+ 20 twenty 21 twenty-one
+}
+
+#-------------------------------------------------------------------------
+# Error conditions.
+#
+# 2.1.*: Attempt to create a unionvtab table outside of the TEMP schema.
+# 2.2.*: Tables that do not exist.
+# 2.3.*: Non rowid tables.
+# 2.4.*: Tables with mismatched schemas.
+# 2.5.*: A unionvtab table with zero source tables.
+#
+do_catchsql_test 2.1.1 {
+ CREATE VIRTUAL TABLE u1 USING unionvtab("VALUES(NULL, 't1', 1, 100)");
+} {1 {unionvtab tables must be created in TEMP schema}}
+do_catchsql_test 2.1.2 {
+ CREATE VIRTUAL TABLE main.u1 USING unionvtab("VALUES('', 't1', 1, 100)");
+} {1 {unionvtab tables must be created in TEMP schema}}
+do_catchsql_test 2.1.3 {
+ CREATE VIRTUAL TABLE aux.u1 USING unionvtab("VALUES('', 't1', 1, 100)");
+} {1 {unionvtab tables must be created in TEMP schema}}
+
+do_catchsql_test 2.2.1 {
+ CREATE VIRTUAL TABLE temp.u1 USING unionvtab("VALUES(NULL, 't555', 1, 100)");
+} {1 {no such rowid table: t555}}
+do_catchsql_test 2.2.2 {
+ CREATE VIRTUAL TABLE temp.u1 USING unionvtab("VALUES('aux', 't555', 1, 100)");
+} {1 {no such rowid table: aux.t555}}
+do_catchsql_test 2.2.3 {
+ CREATE VIRTUAL TABLE temp.u1 USING unionvtab("VALUES('xua', 't555', 1, 100)");
+} {1 {no such rowid table: xua.t555}}
+
+do_execsql_test 2.3.0 {
+ CREATE TABLE wr1(a, b, c PRIMARY KEY) WITHOUT ROWID;
+ CREATE VIEW v1 AS SELECT * FROM t1;
+ CREATE VIEW v2 AS SELECT _rowid_, * FROM t1;
+
+ CREATE TABLE wr2(a, _rowid_ INTEGER, c PRIMARY KEY) WITHOUT ROWID;
+ CREATE TABLE wr3(a, b, _rowid_ PRIMARY KEY) WITHOUT ROWID;
+}
+do_catchsql_test 2.3.1 {
+ CREATE VIRTUAL TABLE temp.u1 USING unionvtab("VALUES('main', 'wr1', 1, 2)");
+} {1 {no such rowid table: main.wr1}}
+do_catchsql_test 2.3.2 {
+ CREATE VIRTUAL TABLE temp.u1 USING unionvtab("VALUES(NULL, 'v1', 1, 2)");
+} {1 {no such rowid table: v1}}
+do_catchsql_test 2.3.3 {
+ CREATE VIRTUAL TABLE temp.u1 USING unionvtab("VALUES(NULL, 'v2', 1, 2)");
+} {1 {no such rowid table: v2}}
+do_catchsql_test 2.3.4 {
+ CREATE VIRTUAL TABLE temp.u1 USING unionvtab("VALUES(NULL, 'wr2', 1, 2)");
+} {1 {no such rowid table: wr2}}
+do_catchsql_test 2.3.5 {
+ CREATE VIRTUAL TABLE temp.u1 USING unionvtab("VALUES(NULL, 'wr3', 1, 2)");
+} {1 {no such rowid table: wr3}}
+
+do_execsql_test 2.4.0 {
+ CREATE TABLE x1(a BLOB, b);
+ CREATE TABLE x2(a BLOB, b);
+ CREATE TEMP TABLE x3(a BLOB, b);
+
+ CREATE TABLE aux.y1(one, two, three INTEGER PRIMARY KEY);
+ CREATE TEMP TABLE y2(one, two, three INTEGER PRIMARY KEY);
+ CREATE TABLE y3(one, two, three INTEGER PRIMARY KEY);
+}
+
+foreach {tn dbs res} {
+ 1 {x1 x2 x3} {0 {}}
+ 2 {y1 y2 y3} {0 {}}
+ 3 {x1 y2 y3} {1 {source table schema mismatch}}
+ 4 {x1 y2 x3} {1 {source table schema mismatch}}
+ 5 {x1 x2 y3} {1 {source table schema mismatch}}
+} {
+ set L [list]
+ set iMin 0
+ foreach e $dbs {
+ set E [split $e .]
+ if {[llength $E]>1} {
+ lappend L "('[lindex $E 0]', '[lindex $E 1]', $iMin, $iMin)"
+ } else {
+ lappend L "(NULL, '$e', $iMin, $iMin)"
+ }
+ incr iMin
+ }
+
+ set sql "CREATE VIRTUAL TABLE temp.a1 USING unionvtab(\"VALUES [join $L ,]\")"
+ do_catchsql_test 2.4.$tn "
+ DROP TABLE IF EXISTS temp.a1;
+ CREATE VIRTUAL TABLE temp.a1 USING unionvtab(\"VALUES [join $L ,]\");
+ " $res
+}
+
+do_catchsql_test 2.5 {
+ CREATE VIRTUAL TABLE temp.b1 USING unionvtab(
+ [SELECT 'main', 'b1', 0, 100 WHERE 0]
+ )
+} {1 {no source tables configured}}
+
+foreach {tn sql} {
+ 1 { VALUES('main', 't1', 10, 20), ('main', 't2', 30, 29) }
+ 2 { VALUES('main', 't1', 10, 20), ('main', 't2', 15, 30) }
+} {
+ do_catchsql_test 2.6.$tn "
+ CREATE VIRTUAL TABLE temp.a1 USING unionvtab(`$sql`)
+ " {1 {rowid range mismatch error}}
+}
+
+do_catchsql_test 2.7.1 {
+ CREATE VIRTUAL TABLE temp.b1 USING unionvtab(1, 2, 3, 4)
+} {1 {wrong number of arguments for unionvtab}}
+
+#-------------------------------------------------------------------------
+#
+reset_db
+load_static_extension db unionvtab
+do_execsql_test 3.0 {
+ CREATE TABLE tbl1(a INTEGER PRIMARY KEY, b);
+ CREATE TABLE tbl2(a INTEGER PRIMARY KEY, b);
+ CREATE TABLE tbl3(a INTEGER PRIMARY KEY, b);
+
+ WITH ss(ii) AS ( SELECT 1 UNION ALL SELECT ii+1 FROM ss WHERE ii<100 )
+ INSERT INTO tbl1 SELECT ii, '1.' || ii FROM ss;
+
+ WITH ss(ii) AS ( SELECT 1 UNION ALL SELECT ii+1 FROM ss WHERE ii<100 )
+ INSERT INTO tbl2 SELECT ii, '2.' || ii FROM ss;
+
+ WITH ss(ii) AS ( SELECT 1 UNION ALL SELECT ii+1 FROM ss WHERE ii<100 )
+ INSERT INTO tbl3 SELECT ii, '3.' || ii FROM ss;
+
+ CREATE VIRTUAL TABLE temp.uu USING unionvtab(
+ "VALUES(NULL,'tbl2', 26, 74), (NULL,'tbl3', 75, 100), (NULL,'tbl1', 1, 25)"
+ );
+}
+
+do_execsql_test 3.1 {
+ SELECT * FROM uu WHERE rowid = 10;
+} {10 {1.10}}
+do_execsql_test 3.2 {
+ SELECT * FROM uu WHERE rowid = 25;
+} {25 {1.25}}
+
+do_execsql_test 3.3 { SELECT count(*) FROM uu WHERE rowid <= 24 } {24}
+
+# The following queries get the "wrong" answers. This is because the
+# module assumes that each source table contains rowids from only within
+# the range specified. For example, (rowid <= 25) matches 100 rows. This
+# is because the module implements (rowid <= 25) as a full table scan
+# of tbl1 only.
+do_execsql_test 3.4.1 { SELECT count(*) FROM uu WHERE rowid <= 25 } {100}
+do_execsql_test 3.4.2 { SELECT count(*) FROM uu WHERE rowid <= 26 } {126}
+do_execsql_test 3.4.3 { SELECT count(*) FROM uu WHERE rowid <= 73 } {173}
+do_execsql_test 3.4.4 { SELECT count(*) FROM uu WHERE rowid <= 74 } {200}
+do_execsql_test 3.4.5 { SELECT count(*) FROM uu WHERE rowid <= 75 } {275}
+do_execsql_test 3.4.6 { SELECT count(*) FROM uu WHERE rowid <= 99 } {299}
+do_execsql_test 3.4.7 { SELECT count(*) FROM uu WHERE rowid <= 100 } {300}
+do_execsql_test 3.4.8 { SELECT count(*) FROM uu WHERE rowid <= 101 } {300}
+
+do_execsql_test 3.5.1 { SELECT count(*) FROM uu WHERE rowid < 25 } {24}
+do_execsql_test 3.5.2 { SELECT count(*) FROM uu WHERE rowid < 26 } {100}
+do_execsql_test 3.5.3 { SELECT count(*) FROM uu WHERE rowid < 27 } {126}
+do_execsql_test 3.5.4 { SELECT count(*) FROM uu WHERE rowid < 73 } {172}
+do_execsql_test 3.5.5 { SELECT count(*) FROM uu WHERE rowid < 74 } {173}
+do_execsql_test 3.5.6 { SELECT count(*) FROM uu WHERE rowid < 75 } {200}
+do_execsql_test 3.5.7 { SELECT count(*) FROM uu WHERE rowid < 76 } {275}
+do_execsql_test 3.5.8 { SELECT count(*) FROM uu WHERE rowid < 99 } {298}
+do_execsql_test 3.5.9 { SELECT count(*) FROM uu WHERE rowid < 100 } {299}
+do_execsql_test 3.5.10 { SELECT count(*) FROM uu WHERE rowid < 101 } {300}
+
+do_execsql_test 3.6.1 { SELECT count(*) FROM uu WHERE rowid > 24 } {276}
+do_execsql_test 3.6.1 { SELECT count(*) FROM uu WHERE rowid > 25 } {200}
+do_execsql_test 3.6.2 { SELECT count(*) FROM uu WHERE rowid > 26 } {174}
+do_execsql_test 3.6.3 { SELECT count(*) FROM uu WHERE rowid > 27 } {173}
+do_execsql_test 3.6.4 { SELECT count(*) FROM uu WHERE rowid > 73 } {127}
+do_execsql_test 3.6.5 { SELECT count(*) FROM uu WHERE rowid > 74 } {100}
+do_execsql_test 3.6.6 { SELECT count(*) FROM uu WHERE rowid > 75 } {25}
+do_execsql_test 3.6.7 { SELECT count(*) FROM uu WHERE rowid > 76 } {24}
+do_execsql_test 3.6.8 { SELECT count(*) FROM uu WHERE rowid > 99 } {1}
+do_execsql_test 3.6.9 { SELECT count(*) FROM uu WHERE rowid > 100 } {0}
+do_execsql_test 3.6.10 { SELECT count(*) FROM uu WHERE rowid > 101 } {0}
+
+do_execsql_test 3.7.1 { SELECT count(*) FROM uu WHERE rowid >= 24 } {277}
+do_execsql_test 3.7.1 { SELECT count(*) FROM uu WHERE rowid >= 25 } {276}
+do_execsql_test 3.7.2 { SELECT count(*) FROM uu WHERE rowid >= 26 } {200}
+do_execsql_test 3.7.3 { SELECT count(*) FROM uu WHERE rowid >= 27 } {174}
+do_execsql_test 3.7.4 { SELECT count(*) FROM uu WHERE rowid >= 73 } {128}
+do_execsql_test 3.7.5 { SELECT count(*) FROM uu WHERE rowid >= 74 } {127}
+do_execsql_test 3.7.6 { SELECT count(*) FROM uu WHERE rowid >= 75 } {100}
+do_execsql_test 3.7.7 { SELECT count(*) FROM uu WHERE rowid >= 76 } {25}
+do_execsql_test 3.7.8 { SELECT count(*) FROM uu WHERE rowid >= 99 } {2}
+do_execsql_test 3.7.9 { SELECT count(*) FROM uu WHERE rowid >= 100 } {1}
+do_execsql_test 3.7.10 { SELECT count(*) FROM uu WHERE rowid >= 101 } {0}
+
+set L [expr 9223372036854775807]
+set S [expr -9223372036854775808]
+
+do_execsql_test 3.8.1 { SELECT count(*) FROM uu WHERE rowid >= $S } {300}
+do_execsql_test 3.8.2 { SELECT count(*) FROM uu WHERE rowid > $S } {300}
+do_execsql_test 3.8.3 { SELECT count(*) FROM uu WHERE rowid <= $S } {0}
+do_execsql_test 3.8.4 { SELECT count(*) FROM uu WHERE rowid < $S } {0}
+
+do_execsql_test 3.9.1 { SELECT count(*) FROM uu WHERE rowid >= $L } {0}
+do_execsql_test 3.9.2 { SELECT count(*) FROM uu WHERE rowid > $L } {0}
+do_execsql_test 3.9.3 { SELECT count(*) FROM uu WHERE rowid <= $L } {300}
+do_execsql_test 3.9.4 { SELECT count(*) FROM uu WHERE rowid < $L } {300}
+
+do_execsql_test 3.10.1 { SELECT count(*) FROM uu WHERE a < 25 } {24}
+do_execsql_test 3.10.2 { SELECT count(*) FROM uu WHERE a < 26 } {100}
+do_execsql_test 3.10.3 { SELECT count(*) FROM uu WHERE a < 27 } {126}
+do_execsql_test 3.10.4 { SELECT count(*) FROM uu WHERE a < 73 } {172}
+do_execsql_test 3.10.5 { SELECT count(*) FROM uu WHERE a < 74 } {173}
+do_execsql_test 3.10.6 { SELECT count(*) FROM uu WHERE a < 75 } {200}
+do_execsql_test 3.10.7 { SELECT count(*) FROM uu WHERE a < 76 } {275}
+do_execsql_test 3.10.8 { SELECT count(*) FROM uu WHERE a < 99 } {298}
+do_execsql_test 3.10.9 { SELECT count(*) FROM uu WHERE a < 100 } {299}
+do_execsql_test 3.10.10 { SELECT count(*) FROM uu WHERE a < 101 } {300}
+
+
+#-------------------------------------------------------------------------
+#
+do_execsql_test 4.0 {
+ CREATE TABLE s1(k INTEGER PRIMARY KEY, v);
+ INSERT INTO s1 VALUES($S, 'one');
+ INSERT INTO s1 VALUES($S+1, 'two');
+ INSERT INTO s1 VALUES($S+2, 'three');
+
+ CREATE TABLE l1(k INTEGER PRIMARY KEY, v);
+ INSERT INTO l1 VALUES($L, 'six');
+ INSERT INTO l1 VALUES($L-1, 'five');
+ INSERT INTO l1 VALUES($L-2, 'four');
+
+ CREATE VIRTUAL TABLE temp.sl USING unionvtab(
+ "SELECT NULL, 'l1', 0, 9223372036854775807
+ UNION ALL
+ SELECT NULL, 's1', -9223372036854775808, -1"
+ );
+}
+
+do_execsql_test 4.1 {
+ SELECT * FROM sl;
+} {
+ -9223372036854775808 one -9223372036854775807 two -9223372036854775806 three
+ 9223372036854775805 four 9223372036854775806 five 9223372036854775807 six
+}
+
+foreach {k v} {
+ -9223372036854775808 one -9223372036854775807 two -9223372036854775806 three
+ 9223372036854775805 four 9223372036854775806 five 9223372036854775807 six
+} {
+ do_execsql_test 4.2.$v { SELECT * FROM sl WHERE rowid=$k } [list $k $v]
+}
+
+do_execsql_test 4.3.1 {
+ SELECT * FROM sl WHERE rowid>-9223372036854775808
+} {
+ -9223372036854775807 two -9223372036854775806 three
+ 9223372036854775805 four 9223372036854775806 five 9223372036854775807 six
+}
+do_execsql_test 4.3.2 {
+ SELECT * FROM sl WHERE rowid>=-9223372036854775808
+} {
+ -9223372036854775808 one -9223372036854775807 two -9223372036854775806 three
+ 9223372036854775805 four 9223372036854775806 five 9223372036854775807 six
+}
+do_execsql_test 4.3.3 {
+ SELECT * FROM sl WHERE rowid<=-9223372036854775808
+} {
+ -9223372036854775808 one
+}
+do_execsql_test 4.3.4 {
+ SELECT * FROM sl WHERE rowid<-9223372036854775808
+} {}
+
+do_execsql_test 4.4.1 {
+ SELECT * FROM sl WHERE rowid<9223372036854775807
+} {
+ -9223372036854775808 one -9223372036854775807 two -9223372036854775806 three
+ 9223372036854775805 four 9223372036854775806 five
+}
+do_execsql_test 4.4.2 {
+ SELECT * FROM sl WHERE rowid<=9223372036854775807
+} {
+ -9223372036854775808 one -9223372036854775807 two -9223372036854775806 three
+ 9223372036854775805 four 9223372036854775806 five 9223372036854775807 six
+}
+do_execsql_test 4.4.3 {
+ SELECT * FROM sl WHERE rowid>=9223372036854775807
+} {
+ 9223372036854775807 six
+}
+do_execsql_test 4.4.4 {
+ SELECT * FROM sl WHERE rowid>9223372036854775807
+} {}
+
+#-------------------------------------------------------------------------
+# More than 8 source tables.
+#
+do_execsql_test 5.0 {
+ CREATE TABLE c0(one, two INTEGER PRIMARY KEY);
+ CREATE TABLE c1(one, two INTEGER PRIMARY KEY);
+ CREATE TABLE c2(one, two INTEGER PRIMARY KEY);
+ CREATE TABLE c3(one, two INTEGER PRIMARY KEY);
+ CREATE TABLE c4(one, two INTEGER PRIMARY KEY);
+ CREATE TABLE c5(one, two INTEGER PRIMARY KEY);
+ CREATE TABLE c6(one, two INTEGER PRIMARY KEY);
+ CREATE TABLE c7(one, two INTEGER PRIMARY KEY);
+ CREATE TABLE c8(one, two INTEGER PRIMARY KEY);
+ CREATE TABLE c9(one, two INTEGER PRIMARY KEY);
+
+ INSERT INTO c0 VALUES('zero', 0);
+ INSERT INTO c1 VALUES('one', 1);
+ INSERT INTO c2 VALUES('two', 2);
+ INSERT INTO c3 VALUES('three', 3);
+ INSERT INTO c4 VALUES('four', 4);
+ INSERT INTO c5 VALUES('five', 5);
+ INSERT INTO c6 VALUES('six', 6);
+ INSERT INTO c7 VALUES('seven', 7);
+ INSERT INTO c8 VALUES('eight', 8);
+ INSERT INTO c9 VALUES('nine', 9);
+
+ CREATE VIRTUAL TABLE temp.cc USING unionvtab([
+ SELECT 'main', 'c9', 9, 9 UNION ALL
+ SELECT 'main', 'c8', 8, 8 UNION ALL
+ SELECT 'main', 'c7', 7, 7 UNION ALL
+ SELECT 'main', 'c6', 6, 6 UNION ALL
+ SELECT 'main', 'c5', 5, 5 UNION ALL
+ SELECT 'main', 'c4', 4, 4 UNION ALL
+ SELECT 'main', 'c3', 3, 3 UNION ALL
+ SELECT 'main', 'c2', 2, 2 UNION ALL
+ SELECT 'main', 'c1', 1, 1 UNION ALL
+ SELECT 'main', 'c0', 0, 0
+ ]);
+
+ SELECT sum(two) FROM cc;
+} {45}
+
+do_execsql_test 5.1 {
+ SELECT one FROM cc WHERE one>='seven'
+} {zero two three six seven}
+
+do_execsql_test 5.2 {
+ SELECT y.one FROM cc AS x, cc AS y WHERE x.one=y.one AND x.rowid>5
+} {six seven eight nine}
+
+do_execsql_test 5.3 {
+ SELECT cc.one FROM c4, cc WHERE cc.rowid>c4.rowid
+} {five six seven eight nine}
+
+do_execsql_test 5.4 {
+ SELECT * FROM cc WHERE two LIKE '6'
+} {six 6}
+
+finish_test