e_resolve.test revision 5821806d5e7f356e8fa4b058a389a808ea183019
1# 2010 November 30 2# 3# The author disclaims copyright to this source code. In place of 4# a legal notice, here is a blessing: 5# 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. 9# 10#*********************************************************************** 11# 12# This file implements tests to verify that the "testable statements" in 13# the lang_naming.html document are correct. 14# 15 16set testdir [file dirname $argv0] 17source $testdir/tester.tcl 18set ::testprefix e_resolve 19 20# An example database schema for testing name resolution: 21# 22set schema { 23 ATTACH 'test.db2' AS at1; 24 ATTACH 'test.db3' AS at2; 25 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); 29 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; 34 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'); 38 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; 44} 45 46proc resolve_reopen_db {} { 47 db close 48 forcedelete test.db test.db2 test.db3 49 sqlite3 db test.db 50 db eval $::schema 51} 52 53 54 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. 61# 62resolve_reopen_db 63do_execsql_test 1.1 { SELECT * FROM n1 } {temp n1} 64do_execsql_test 1.2 { SELECT * FROM n2 } {main n2} 65do_execsql_test 1.3 { SELECT * FROM n3 } {at1 n3} 66do_execsql_test 1.4 { SELECT * FROM n4 } {at2 n4} 67 68# EVIDENCE-OF: R-54577-28142 If a database name is specified as part of 69# an object reference, it must be either "main", or "temp" or the name 70# of an attached database. 71# 72# Or else it is a "no such table: xxx" error. 73# 74resolve_reopen_db 75do_execsql_test 2.1.1 { SELECT * FROM main.n1 } {main n1} 76do_execsql_test 2.1.2 { SELECT * FROM temp.n1 } {temp n1} 77do_execsql_test 2.1.3 { SELECT * FROM at1.n1 } {at1 n1} 78do_execsql_test 2.1.4 { SELECT * FROM at2.n1 } {at2 n1} 79 80do_catchsql_test 2.2 { SELECT * FROM xxx.n1 } {1 {no such table: xxx.n1}} 81 82# EVIDENCE-OF: R-26223-47623 Like other SQL identifiers, database names 83# are case-insensitive. 84# 85resolve_reopen_db 86do_execsql_test 3.1 { SELECT * FROM MAIN.n1 } {main n1} 87do_execsql_test 3.2 { SELECT * FROM tEmP.n1 } {temp n1} 88do_execsql_test 3.3 { SELECT * FROM aT1.n1 } {at1 n1} 89do_execsql_test 3.4 { SELECT * FROM At2.n1 } {at2 n1} 90 91# EVIDENCE-OF: R-15639-28392 If a database name is specified, then only 92# the named database is searched for the named object. 93# 94do_catchsql_test 4.1 { SELECT * FROM temp.n2 } {1 {no such table: temp.n2}} 95do_catchsql_test 4.2 { SELECT * FROM main.n2 } {0 {main n2}} 96do_catchsql_test 4.3 { SELECT * FROM at1.n2 } {0 {at1 n2}} 97do_catchsql_test 4.4 { SELECT * FROM at2.n2 } {0 {at2 n2}} 98 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. 102# 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: 106# 107do_execsql_test 5.1 { SELECT * FROM n3 } {at1 n3} 108do_execsql_test 5.2 { SELECT * FROM n4 } {at2 n4} 109 110#------------------------------------------------------------------------- 111# EVIDENCE-OF: R-37286-42536 112# 113db close 114forcedelete test.db file.db 115sqlite3 db test.db 116do_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); 121} 122 123do_execsql_test 6.2.0 { DROP TABLE t1 } 124do_catchsql_test 6.2.1 { SELECT * FROM temp.t1 } {1 {no such table: temp.t1}} 125do_catchsql_test 6.2.2 { SELECT * FROM main.t1 } {0 {}} 126do_catchsql_test 6.2.3 { SELECT * FROM aux.t1 } {0 {}} 127 128do_execsql_test 6.3.0 { DROP TABLE t1 } 129do_catchsql_test 6.3.1 { SELECT * FROM main.t1 } {1 {no such table: main.t1}} 130do_catchsql_test 6.3.3 { SELECT * FROM aux.t1 } {0 {}} 131 132do_execsql_test 6.4.0 { DROP TABLE t1 } 133do_catchsql_test 6.4.1 { SELECT * FROM aux.t1 } {1 {no such table: aux.t1}} 134 135finish_test 136