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| 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 |
| 16 set testdir [file dirname $argv0] |
| 17 source $testdir/tester.tcl |
| 18 set ::testprefix e_resolve |
| 19 |
| 20 # An example database schema for testing name resolution: |
| 21 # |
| 22 set 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 |
| 46 proc 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 # |
| 62 resolve_reopen_db |
| 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} |
| 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 # |
| 74 resolve_reopen_db |
| 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} |
| 79 |
| 80 do_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 # |
| 85 resolve_reopen_db |
| 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} |
| 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 # |
| 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}} |
| 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 # |
| 107 do_execsql_test 5.1 { SELECT * FROM n3 } {at1 n3} |
| 108 do_execsql_test 5.2 { SELECT * FROM n4 } {at2 n4} |
| 109 |
| 110 #------------------------------------------------------------------------- |
| 111 # EVIDENCE-OF: R-37286-42536 |
| 112 # |
| 113 db close |
| 114 forcedelete test.db file.db |
| 115 sqlite3 db test.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); |
| 121 } |
| 122 |
| 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 {}} |
| 127 |
| 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 {}} |
| 131 |
| 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}} |
| 134 |
| 135 finish_test |
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