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136 lines
4.9 KiB
Plaintext
136 lines
4.9 KiB
Plaintext
# 2010 November 30
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# This file implements tests to verify that the "testable statements" in
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# the lang_naming.html document are correct.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set ::testprefix e_resolve
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# An example database schema for testing name resolution:
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#
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set schema {
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ATTACH 'test.db2' AS at1;
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ATTACH 'test.db3' AS at2;
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CREATE TABLE temp.n1(x, y); INSERT INTO temp.n1 VALUES('temp', 'n1');
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CREATE TRIGGER temp.n3 AFTER INSERT ON n1 BEGIN SELECT 1; END;
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CREATE INDEX temp.n4 ON n1(x, y);
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CREATE TABLE main.n1(x, y); INSERT INTO main.n1 VALUES('main', 'n1');
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CREATE TABLE main.n2(x, y); INSERT INTO main.n2 VALUES('main', 'n2');
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CREATE INDEX main.n3 ON n2(y, x);
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CREATE TRIGGER main.n4 BEFORE INSERT ON n2 BEGIN SELECT 1; END;
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CREATE TABLE at1.n1(x, y); INSERT INTO at1.n1 VALUES('at1', 'n1');
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CREATE TABLE at1.n2(x, y); INSERT INTO at1.n2 VALUES('at1', 'n2');
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CREATE TABLE at1.n3(x, y); INSERT INTO at1.n3 VALUES('at1', 'n3');
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CREATE TABLE at2.n1(x, y); INSERT INTO at2.n1 VALUES('at2', 'n1');
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CREATE TABLE at2.n2(x, y); INSERT INTO at2.n2 VALUES('at2', 'n2');
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CREATE TABLE at2.n3(x, y); INSERT INTO at2.n3 VALUES('at2', 'n3');
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CREATE TABLE at2.n4(x, y); INSERT INTO at2.n4 VALUES('at2', 'n4');
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CREATE TRIGGER at2.n4 BEFORE INSERT ON n4 BEGIN SELECT 1; END;
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}
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proc resolve_reopen_db {} {
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db close
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forcedelete test.db test.db2 test.db3
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sqlite3 db test.db
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db eval $::schema
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}
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# EVIDENCE-OF: R-33528-20612 If no database is specified as part of the
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# object reference, then SQLite searches the main, temp and all attached
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# databases for an object with a matching name. The temp database is
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# searched first, followed by the main database, followed all attached
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# databases in the order that they were attached. The reference resolves
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# to the first match found.
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#
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resolve_reopen_db
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do_execsql_test 1.1 { SELECT * FROM n1 } {temp n1}
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do_execsql_test 1.2 { SELECT * FROM n2 } {main n2}
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do_execsql_test 1.3 { SELECT * FROM n3 } {at1 n3}
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do_execsql_test 1.4 { SELECT * FROM n4 } {at2 n4}
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# EVIDENCE-OF: R-00634-08585 If a schema name is specified as part of an
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# object reference, it must be either "main", or "temp" or the
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# schema-name of an attached database.
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#
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# Or else it is a "no such table: xxx" error.
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#
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resolve_reopen_db
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do_execsql_test 2.1.1 { SELECT * FROM main.n1 } {main n1}
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do_execsql_test 2.1.2 { SELECT * FROM temp.n1 } {temp n1}
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do_execsql_test 2.1.3 { SELECT * FROM at1.n1 } {at1 n1}
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do_execsql_test 2.1.4 { SELECT * FROM at2.n1 } {at2 n1}
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do_catchsql_test 2.2 { SELECT * FROM xxx.n1 } {1 {no such table: xxx.n1}}
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# EVIDENCE-OF: R-17446-42210 Like other SQL identifiers, schema names
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# are case-insensitive.
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#
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resolve_reopen_db
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do_execsql_test 3.1 { SELECT * FROM MAIN.n1 } {main n1}
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do_execsql_test 3.2 { SELECT * FROM tEmP.n1 } {temp n1}
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do_execsql_test 3.3 { SELECT * FROM aT1.n1 } {at1 n1}
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do_execsql_test 3.4 { SELECT * FROM At2.n1 } {at2 n1}
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# EVIDENCE-OF: R-14755-58619 If a schema name is specified, then only
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# that one schema is searched for the named object.
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#
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do_catchsql_test 4.1 { SELECT * FROM temp.n2 } {1 {no such table: temp.n2}}
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do_catchsql_test 4.2 { SELECT * FROM main.n2 } {0 {main n2}}
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do_catchsql_test 4.3 { SELECT * FROM at1.n2 } {0 {at1 n2}}
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do_catchsql_test 4.4 { SELECT * FROM at2.n2 } {0 {at2 n2}}
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# EVIDENCE-OF: R-08951-19801 When searching database schemas for a named
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# object, objects of types that cannot be used in the context of the
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# reference are always ignored.
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#
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# In this case, "types that cannot be used" are triggers and indexes.
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# The temp and main databases both contain triggers and indexes named
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# "n3" and "n4". Database "at2" contains a trigger called "n4". And yet:
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#
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do_execsql_test 5.1 { SELECT * FROM n3 } {at1 n3}
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do_execsql_test 5.2 { SELECT * FROM n4 } {at2 n4}
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#-------------------------------------------------------------------------
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# EVIDENCE-OF: R-37286-42536
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#
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db close
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forcedelete test.db file.db
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sqlite3 db test.db
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do_execsql_test 6.1 {
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ATTACH 'file.db' AS aux;
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CREATE TABLE t1(x, y);
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CREATE TEMP TABLE t1(x, y);
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CREATE TABLE aux.t1(x, y);
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}
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do_execsql_test 6.2.0 { DROP TABLE t1 }
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do_catchsql_test 6.2.1 { SELECT * FROM temp.t1 } {1 {no such table: temp.t1}}
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do_catchsql_test 6.2.2 { SELECT * FROM main.t1 } {0 {}}
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do_catchsql_test 6.2.3 { SELECT * FROM aux.t1 } {0 {}}
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do_execsql_test 6.3.0 { DROP TABLE t1 }
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do_catchsql_test 6.3.1 { SELECT * FROM main.t1 } {1 {no such table: main.t1}}
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do_catchsql_test 6.3.3 { SELECT * FROM aux.t1 } {0 {}}
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do_execsql_test 6.4.0 { DROP TABLE t1 }
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do_catchsql_test 6.4.1 { SELECT * FROM aux.t1 } {1 {no such table: aux.t1}}
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finish_test
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