AryaWu/sqlite

1# 2010 November 302#3# The author disclaims copyright to this source code.  In place of4# 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.tcl18set ::testprefix e_resolve19 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 close48  forcedelete test.db test.db2 test.db349  sqlite3 db test.db50  db eval $::schema51}52 53 54 55# EVIDENCE-OF: R-33528-20612 If no database is specified as part of the56# object reference, then SQLite searches the main, temp and all attached57# databases for an object with a matching name. The temp database is58# searched first, followed by the main database, followed all attached59# databases in the order that they were attached. The reference resolves60# to the first match found.61#62resolve_reopen_db63do_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-00634-08585 If a schema name is specified as part of an69# object reference, it must be either "main", or "temp" or the70# schema-name of an attached database.71#72#   Or else it is a "no such table: xxx" error.73#74resolve_reopen_db75do_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-17446-42210 Like other SQL identifiers, schema names83# are case-insensitive.84#85resolve_reopen_db86do_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-14755-58619 If a schema name is specified, then only92# that one schema 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 named100# object, objects of types that cannot be used in the context of the101# 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 named105#   "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 close114forcedelete test.db file.db115sqlite3 db test.db116do_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_test136