3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
10 #***********************************************************************
12 # This file implements tests to verify that the "testable statements" in
13 # the lang_naming.html document are correct.
16 set testdir [file dirname $argv0]
17 source $testdir/tester.tcl
18 set ::testprefix e_resolve
20 # An example database schema for testing name resolution:
23 ATTACH 'test.db2' AS at1;
24 ATTACH 'test.db3' AS at2;
26 CREATE TABLE temp.n1(x, y); INSERT INTO temp.n1 VALUES('temp', 'n1');
27 CREATE TRIGGER temp.n3 AFTER INSERT ON n1 BEGIN SELECT 1; END;
28 CREATE INDEX temp.n4 ON n1(x, y);
30 CREATE TABLE main.n1(x, y); INSERT INTO main.n1 VALUES('main', 'n1');
31 CREATE TABLE main.n2(x, y); INSERT INTO main.n2 VALUES('main', 'n2');
32 CREATE INDEX main.n3 ON n2(y, x);
33 CREATE TRIGGER main.n4 BEFORE INSERT ON n2 BEGIN SELECT 1; END;
35 CREATE TABLE at1.n1(x, y); INSERT INTO at1.n1 VALUES('at1', 'n1');
36 CREATE TABLE at1.n2(x, y); INSERT INTO at1.n2 VALUES('at1', 'n2');
37 CREATE TABLE at1.n3(x, y); INSERT INTO at1.n3 VALUES('at1', 'n3');
39 CREATE TABLE at2.n1(x, y); INSERT INTO at2.n1 VALUES('at2', 'n1');
40 CREATE TABLE at2.n2(x, y); INSERT INTO at2.n2 VALUES('at2', 'n2');
41 CREATE TABLE at2.n3(x, y); INSERT INTO at2.n3 VALUES('at2', 'n3');
42 CREATE TABLE at2.n4(x, y); INSERT INTO at2.n4 VALUES('at2', 'n4');
43 CREATE TRIGGER at2.n4 BEFORE INSERT ON n4 BEGIN SELECT 1; END;
46 proc resolve_reopen_db {} {
48 forcedelete test.db test.db2 test.db3
55 # EVIDENCE-OF: R-33528-20612 If no database is specified as part of the
56 # object reference, then SQLite searches the main, temp and all attached
57 # databases for an object with a matching name. The temp database is
58 # searched first, followed by the main database, followed all attached
59 # databases in the order that they were attached. The reference resolves
60 # to the first match found.
63 do_execsql_test 1.1 { SELECT * FROM n1 } {temp n1}
64 do_execsql_test 1.2 { SELECT * FROM n2 } {main n2}
65 do_execsql_test 1.3 { SELECT * FROM n3 } {at1 n3}
66 do_execsql_test 1.4 { SELECT * FROM n4 } {at2 n4}
68 # EVIDENCE-OF: R-00634-08585 If a schema name is specified as part of an
69 # object reference, it must be either "main", or "temp" or the
70 # schema-name of an attached database.
72 # Or else it is a "no such table: xxx" error.
75 do_execsql_test 2.1.1 { SELECT * FROM main.n1 } {main n1}
76 do_execsql_test 2.1.2 { SELECT * FROM temp.n1 } {temp n1}
77 do_execsql_test 2.1.3 { SELECT * FROM at1.n1 } {at1 n1}
78 do_execsql_test 2.1.4 { SELECT * FROM at2.n1 } {at2 n1}
80 do_catchsql_test 2.2 { SELECT * FROM xxx.n1 } {1 {no such table: xxx.n1}}
82 # EVIDENCE-OF: R-17446-42210 Like other SQL identifiers, schema names
83 # are case-insensitive.
86 do_execsql_test 3.1 { SELECT * FROM MAIN.n1 } {main n1}
87 do_execsql_test 3.2 { SELECT * FROM tEmP.n1 } {temp n1}
88 do_execsql_test 3.3 { SELECT * FROM aT1.n1 } {at1 n1}
89 do_execsql_test 3.4 { SELECT * FROM At2.n1 } {at2 n1}
91 # EVIDENCE-OF: R-14755-58619 If a schema name is specified, then only
92 # that one schema is searched for the named object.
94 do_catchsql_test 4.1 { SELECT * FROM temp.n2 } {1 {no such table: temp.n2}}
95 do_catchsql_test 4.2 { SELECT * FROM main.n2 } {0 {main n2}}
96 do_catchsql_test 4.3 { SELECT * FROM at1.n2 } {0 {at1 n2}}
97 do_catchsql_test 4.4 { SELECT * FROM at2.n2 } {0 {at2 n2}}
99 # EVIDENCE-OF: R-08951-19801 When searching database schemas for a named
100 # object, objects of types that cannot be used in the context of the
101 # reference are always ignored.
103 # In this case, "types that cannot be used" are triggers and indexes.
104 # The temp and main databases both contain triggers and indexes named
105 # "n3" and "n4". Database "at2" contains a trigger called "n4". And yet:
107 do_execsql_test 5.1 { SELECT * FROM n3 } {at1 n3}
108 do_execsql_test 5.2 { SELECT * FROM n4 } {at2 n4}
110 #-------------------------------------------------------------------------
111 # EVIDENCE-OF: R-37286-42536
114 forcedelete test.db file.db
116 do_execsql_test 6.1 {
117 ATTACH 'file.db' AS aux;
118 CREATE TABLE t1(x, y);
119 CREATE TEMP TABLE t1(x, y);
120 CREATE TABLE aux.t1(x, y);
123 do_execsql_test 6.2.0 { DROP TABLE t1 }
124 do_catchsql_test 6.2.1 { SELECT * FROM temp.t1 } {1 {no such table: temp.t1}}
125 do_catchsql_test 6.2.2 { SELECT * FROM main.t1 } {0 {}}
126 do_catchsql_test 6.2.3 { SELECT * FROM aux.t1 } {0 {}}
128 do_execsql_test 6.3.0 { DROP TABLE t1 }
129 do_catchsql_test 6.3.1 { SELECT * FROM main.t1 } {1 {no such table: main.t1}}
130 do_catchsql_test 6.3.3 { SELECT * FROM aux.t1 } {0 {}}
132 do_execsql_test 6.4.0 { DROP TABLE t1 }
133 do_catchsql_test 6.4.1 { SELECT * FROM aux.t1 } {1 {no such table: aux.t1}}