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| -rw-r--r-- | test/e_resolve.test | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/test/e_resolve.test b/test/e_resolve.test new file mode 100644 index 0000000..f4bb1a4 --- /dev/null +++ b/test/e_resolve.test @@ -0,0 +1,135 @@ +# 2010 November 30 +# +# The author disclaims copyright to this source code. In place of +# a legal notice, here is a blessing: +# +# May you do good and not evil. +# May you find forgiveness for yourself and forgive others. +# May you share freely, never taking more than you give. +# +#*********************************************************************** +# +# This file implements tests to verify that the "testable statements" in +# the lang_naming.html document are correct. +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl +set ::testprefix e_resolve + +# An example database schema for testing name resolution: +# +set schema { + ATTACH 'test.db2' AS at1; + ATTACH 'test.db3' AS at2; + + CREATE TABLE temp.n1(x, y); INSERT INTO temp.n1 VALUES('temp', 'n1'); + CREATE TRIGGER temp.n3 AFTER INSERT ON n1 BEGIN SELECT 1; END; + CREATE INDEX temp.n4 ON n1(x, y); + + CREATE TABLE main.n1(x, y); INSERT INTO main.n1 VALUES('main', 'n1'); + CREATE TABLE main.n2(x, y); INSERT INTO main.n2 VALUES('main', 'n2'); + CREATE INDEX main.n3 ON n2(y, x); + CREATE TRIGGER main.n4 BEFORE INSERT ON n2 BEGIN SELECT 1; END; + + CREATE TABLE at1.n1(x, y); INSERT INTO at1.n1 VALUES('at1', 'n1'); + CREATE TABLE at1.n2(x, y); INSERT INTO at1.n2 VALUES('at1', 'n2'); + CREATE TABLE at1.n3(x, y); INSERT INTO at1.n3 VALUES('at1', 'n3'); + + CREATE TABLE at2.n1(x, y); INSERT INTO at2.n1 VALUES('at2', 'n1'); + CREATE TABLE at2.n2(x, y); INSERT INTO at2.n2 VALUES('at2', 'n2'); + CREATE TABLE at2.n3(x, y); INSERT INTO at2.n3 VALUES('at2', 'n3'); + CREATE TABLE at2.n4(x, y); INSERT INTO at2.n4 VALUES('at2', 'n4'); + CREATE TRIGGER at2.n4 BEFORE INSERT ON n4 BEGIN SELECT 1; END; +} + +proc resolve_reopen_db {} { + db close + forcedelete test.db test.db2 test.db3 + sqlite3 db test.db + db eval $::schema +} + + + +# EVIDENCE-OF: R-33528-20612 If no database is specified as part of the +# object reference, then SQLite searches the main, temp and all attached +# databases for an object with a matching name. The temp database is +# searched first, followed by the main database, followed all attached +# databases in the order that they were attached. The reference resolves +# to the first match found. +# +resolve_reopen_db +do_execsql_test 1.1 { SELECT * FROM n1 } {temp n1} +do_execsql_test 1.2 { SELECT * FROM n2 } {main n2} +do_execsql_test 1.3 { SELECT * FROM n3 } {at1 n3} +do_execsql_test 1.4 { SELECT * FROM n4 } {at2 n4} + +# EVIDENCE-OF: R-00634-08585 If a schema name is specified as part of an +# object reference, it must be either "main", or "temp" or the +# schema-name of an attached database. +# +# Or else it is a "no such table: xxx" error. +# +resolve_reopen_db +do_execsql_test 2.1.1 { SELECT * FROM main.n1 } {main n1} +do_execsql_test 2.1.2 { SELECT * FROM temp.n1 } {temp n1} +do_execsql_test 2.1.3 { SELECT * FROM at1.n1 } {at1 n1} +do_execsql_test 2.1.4 { SELECT * FROM at2.n1 } {at2 n1} + +do_catchsql_test 2.2 { SELECT * FROM xxx.n1 } {1 {no such table: xxx.n1}} + +# EVIDENCE-OF: R-17446-42210 Like other SQL identifiers, schema names +# are case-insensitive. +# +resolve_reopen_db +do_execsql_test 3.1 { SELECT * FROM MAIN.n1 } {main n1} +do_execsql_test 3.2 { SELECT * FROM tEmP.n1 } {temp n1} +do_execsql_test 3.3 { SELECT * FROM aT1.n1 } {at1 n1} +do_execsql_test 3.4 { SELECT * FROM At2.n1 } {at2 n1} + +# EVIDENCE-OF: R-14755-58619 If a schema name is specified, then only +# that one schema is searched for the named object. +# +do_catchsql_test 4.1 { SELECT * FROM temp.n2 } {1 {no such table: temp.n2}} +do_catchsql_test 4.2 { SELECT * FROM main.n2 } {0 {main n2}} +do_catchsql_test 4.3 { SELECT * FROM at1.n2 } {0 {at1 n2}} +do_catchsql_test 4.4 { SELECT * FROM at2.n2 } {0 {at2 n2}} + +# EVIDENCE-OF: R-08951-19801 When searching database schemas for a named +# object, objects of types that cannot be used in the context of the +# reference are always ignored. +# +# In this case, "types that cannot be used" are triggers and indexes. +# The temp and main databases both contain triggers and indexes named +# "n3" and "n4". Database "at2" contains a trigger called "n4". And yet: +# +do_execsql_test 5.1 { SELECT * FROM n3 } {at1 n3} +do_execsql_test 5.2 { SELECT * FROM n4 } {at2 n4} + +#------------------------------------------------------------------------- +# EVIDENCE-OF: R-37286-42536 +# +db close +forcedelete test.db file.db +sqlite3 db test.db +do_execsql_test 6.1 { + ATTACH 'file.db' AS aux; + CREATE TABLE t1(x, y); + CREATE TEMP TABLE t1(x, y); + CREATE TABLE aux.t1(x, y); +} + +do_execsql_test 6.2.0 { DROP TABLE t1 } +do_catchsql_test 6.2.1 { SELECT * FROM temp.t1 } {1 {no such table: temp.t1}} +do_catchsql_test 6.2.2 { SELECT * FROM main.t1 } {0 {}} +do_catchsql_test 6.2.3 { SELECT * FROM aux.t1 } {0 {}} + +do_execsql_test 6.3.0 { DROP TABLE t1 } +do_catchsql_test 6.3.1 { SELECT * FROM main.t1 } {1 {no such table: main.t1}} +do_catchsql_test 6.3.3 { SELECT * FROM aux.t1 } {0 {}} + +do_execsql_test 6.4.0 { DROP TABLE t1 } +do_catchsql_test 6.4.1 { SELECT * FROM aux.t1 } {1 {no such table: aux.t1}} + +finish_test |