# 2006 June 10 # # 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 regression tests for SQLite library. The # focus of this file is creating and dropping virtual tables. # # $Id: vtab1.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl ifcapable !vtab||!schema_pragmas { finish_test return } #---------------------------------------------------------------------- # Organization of tests in this file: # # vtab1-1.*: Error conditions and other issues surrounding creation/connection # of a virtual module. # vtab1-2.*: Test sqlite3_declare_vtab() and the xConnect/xDisconnect methods. # vtab1-3.*: Table scans and WHERE clauses. # vtab1-4.*: Table scans and ORDER BY clauses. # vtab1-5.*: Test queries that include joins. This brings the # sqlite3_index_info.estimatedCost variable into play. # vtab1-6.*: Test UPDATE/INSERT/DELETE on vtables. # vtab1-7.*: Test sqlite3_last_insert_rowid(). # # This file uses the "echo" module (see src/test8.c). Refer to comments # in that file for the special behaviour of the Tcl $echo_module variable. # # TODO: # * How to test the sqlite3_index_constraint_usage.omit field? # * vtab1-5.* # # vtab1-14.*: Test 'IN' constraints - i.e. "SELECT * FROM t1 WHERE id IN(...)" # #---------------------------------------------------------------------- # Test cases vtab1.1.* # # We cannot create a virtual table if the module has not been registered. # do_test vtab1-1.1 { explain { CREATE VIRTUAL TABLE t1 USING echo; } catchsql { CREATE VIRTUAL TABLE t1 USING echo; } } {1 {no such module: echo}} do_test vtab1-1.2 { execsql { SELECT name FROM sqlite_master ORDER BY 1 } } {} # Register the module register_echo_module [sqlite3_connection_pointer db] # Once a module has been registered, virtual tables using that module # may be created. However if a module xCreate() fails to call # sqlite3_declare_vtab() an error will be raised and the table not created. # # The "echo" module does not invoke sqlite3_declare_vtab() if it is # passed zero arguments. # do_test vtab1-1.3 { catchsql { CREATE VIRTUAL TABLE t1 USING echo; } } {1 {vtable constructor did not declare schema: t1}} do_test vtab1-1.4 { execsql { SELECT name FROM sqlite_master ORDER BY 1 } } {} # The "echo" module xCreate method returns an error and does not create # the virtual table if it is passed an argument that does not correspond # to an existing real table in the same database. # do_test vtab1-1.5 { catchsql { CREATE VIRTUAL TABLE t1 USING echo(no_such_table); } } {1 {vtable constructor failed: t1}} do_test vtab1-1.6 { execsql { SELECT name FROM sqlite_master ORDER BY 1 } } {} # Ticket #2156. Using the sqlite3_prepare_v2() API, make sure that # a CREATE VIRTUAL TABLE statement can be used multiple times. # do_test vtab1-1.2152.1 { set DB [sqlite3_connection_pointer db] set sql {CREATE VIRTUAL TABLE t2152a USING echo(t2152b)} set STMT [sqlite3_prepare_v2 $DB $sql -1 TAIL] sqlite3_step $STMT } SQLITE_ERROR do_test vtab-1.2152.2 { sqlite3_reset $STMT sqlite3_step $STMT } SQLITE_ERROR do_test vtab-1.2152.3 { sqlite3_reset $STMT db eval {CREATE TABLE t2152b(x,y)} sqlite3_step $STMT } SQLITE_DONE do_test vtab-1.2152.4 { sqlite3_finalize $STMT db eval {DROP TABLE t2152a; DROP TABLE t2152b} } {} # Test to make sure nothing goes wrong and no memory is leaked if we # select an illegal table-name (i.e a reserved name or the name of a # table that already exists). # do_test vtab1-1.7 { catchsql { CREATE VIRTUAL TABLE sqlite_master USING echo; } } {1 {object name reserved for internal use: sqlite_master}} do_test vtab1-1.8 { catchsql { CREATE TABLE treal(a, b, c); CREATE VIRTUAL TABLE treal USING echo(treal); } } {1 {table treal already exists}} do_test vtab1-1.9 { execsql { DROP TABLE treal; SELECT name FROM sqlite_master ORDER BY 1 } } {} do_test vtab1-1.10 { execsql { CREATE TABLE treal(a, b, c); CREATE VIRTUAL TABLE techo USING echo(treal); } db close sqlite3 db test.db catchsql { SELECT * FROM techo; } } {1 {no such module: echo}} do_test vtab1-1.11 { catchsql { INSERT INTO techo VALUES(1, 2, 3); } } {1 {no such module: echo}} do_test vtab1-1.12 { catchsql { UPDATE techo SET a = 10; } } {1 {no such module: echo}} do_test vtab1-1.13 { catchsql { DELETE FROM techo; } } {1 {no such module: echo}} do_test vtab1-1.14 { catchsql { PRAGMA table_info(techo) } } {1 {no such module: echo}} do_test vtab1-1.15 { catchsql { DROP TABLE techo; } } {1 {no such module: echo}} register_echo_module [sqlite3_connection_pointer db] register_echo_module [sqlite3_connection_pointer db] # Test an error message returned from a v-table constructor. # do_test vtab1-1.16 { execsql { DROP TABLE techo; CREATE TABLE logmsg(log); } catchsql { CREATE VIRTUAL TABLE techo USING echo(treal, logmsg); } } {1 {table 'logmsg' already exists}} do_test vtab1-1.17 { execsql { DROP TABLE treal; DROP TABLE logmsg; SELECT sql FROM sqlite_master; } } {} #---------------------------------------------------------------------- # Test cases vtab1.2.* # # At this point, the database is completely empty. The echo module # has already been registered. # If a single argument is passed to the echo module during table # creation, it is assumed to be the name of a table in the same # database. The echo module attempts to set the schema of the # new virtual table to be the same as the existing database table. # do_test vtab1-2.1 { execsql { CREATE TABLE template(a, b, c); } execsql { PRAGMA table_info(template); } } [list \ 0 a {} 0 {} 0 \ 1 b {} 0 {} 0 \ 2 c {} 0 {} 0 \ ] do_test vtab1-2.2 { execsql { CREATE VIRTUAL TABLE t1 USING echo(template); } execsql { PRAGMA table_info(t1); } } [list \ 0 a {} 0 {} 0 \ 1 b {} 0 {} 0 \ 2 c {} 0 {} 0 \ ] # Test that the database can be unloaded. This should invoke the xDisconnect() # callback for the successfully create virtual table (t1). # do_test vtab1-2.3 { set echo_module [list] db close set echo_module } [list xDisconnect] # Re-open the database. This should not cause any virtual methods to # be called. The invocation of xConnect() is delayed until the virtual # table schema is first required by the compiler. # do_test vtab1-2.4 { set echo_module [list] sqlite3 db test.db db cache size 0 set echo_module } {} # Try to query the virtual table schema. This should fail, as the # echo module has not been registered with this database connection. # do_test vtab1.2.6 { catchsql { PRAGMA table_info(t1); } } {1 {no such module: echo}} # Register the module register_echo_module [sqlite3_connection_pointer db] # Try to query the virtual table schema again. This time it should # invoke the xConnect method and succeed. # do_test vtab1.2.7 { execsql { PRAGMA table_info(t1); } } [list \ 0 a {} 0 {} 0 \ 1 b {} 0 {} 0 \ 2 c {} 0 {} 0 \ ] do_test vtab1.2.8 { set echo_module } {xConnect echo main t1 template} # Drop table t1. This should cause the xDestroy (but not xDisconnect) method # to be invoked. do_test vtab1-2.5 { set echo_module "" execsql { DROP TABLE t1; } set echo_module } {xDestroy} do_test vtab1-2.6 { execsql { PRAGMA table_info(t1); } } {} do_test vtab1-2.7 { execsql { SELECT sql FROM sqlite_master; } } [list {CREATE TABLE template(a, b, c)}] # Clean up other test artifacts: do_test vtab1-2.8 { execsql { DROP TABLE template; SELECT sql FROM sqlite_master; } } [list] #---------------------------------------------------------------------- # Test case vtab1-3 test table scans and the echo module's # xBestIndex/xFilter handling of WHERE conditions. do_test vtab1-3.1 { set echo_module "" execsql { CREATE TABLE treal(a INTEGER, b INTEGER, c); CREATE INDEX treal_idx ON treal(b); CREATE VIRTUAL TABLE t1 USING echo(treal); } set echo_module } [list xCreate echo main t1 treal \ xSync echo(treal) \ xCommit echo(treal) \ ] # Test that a SELECT on t1 doesn't crash. No rows are returned # because the underlying real table is currently empty. # do_test vtab1-3.2 { execsql { SELECT a, b, c FROM t1; } } {} # Put some data into the table treal. Then try a few simple SELECT # statements on t1. # do_test vtab1-3.3 { execsql { INSERT INTO treal VALUES(1, 2, 3); INSERT INTO treal VALUES(4, 5, 6); SELECT * FROM t1; } } {1 2 3 4 5 6} do_test vtab1-3.4 { execsql { SELECT a FROM t1; } } {1 4} do_test vtab1-3.5 { execsql { SELECT rowid FROM t1; } } {1 2} do_test vtab1-3.6 { set echo_module "" execsql { SELECT * FROM t1; } } {1 2 3 4 5 6} do_test vtab1-3.7 { execsql { SELECT rowid, * FROM t1; } } {1 1 2 3 2 4 5 6} do_test vtab1-3.8 { execsql { SELECT a AS d, b AS e, c AS f FROM t1; } } {1 2 3 4 5 6} # Execute some SELECT statements with WHERE clauses on the t1 table. # Then check the echo_module variable (written to by the module methods # in test8.c) to make sure the xBestIndex() and xFilter() methods were # called correctly. # do_test vtab1-3.8 { set echo_module "" execsql { SELECT * FROM t1; } set echo_module } [list xBestIndex {SELECT rowid, * FROM 'treal'} \ xFilter {SELECT rowid, * FROM 'treal'} ] do_test vtab1-3.9 { set echo_module "" execsql { SELECT * FROM t1 WHERE b = 5; } } {4 5 6} do_test vtab1-3.10 { set echo_module } [list xBestIndex {SELECT rowid, * FROM 'treal' WHERE b = ?} \ xFilter {SELECT rowid, * FROM 'treal' WHERE b = ?} 5 ] do_test vtab1-3.10 { set echo_module "" execsql { SELECT * FROM t1 WHERE b >= 5 AND b <= 10; } } {4 5 6} do_test vtab1-3.11 { set echo_module } [list xBestIndex {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} \ xFilter {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} 5 10 ] do_test vtab1-3.12 { set echo_module "" execsql { SELECT * FROM t1 WHERE b BETWEEN 2 AND 10; } } {1 2 3 4 5 6} do_test vtab1-3.13 { set echo_module } [list xBestIndex {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} \ xFilter {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} 2 10 ] # Add a function for the MATCH operator. Everything always matches! #proc test_match {lhs rhs} { # lappend ::echo_module MATCH $lhs $rhs # return 1 #} #db function match test_match set echo_module "" do_test vtab1-3.12 { set echo_module "" catchsql { SELECT * FROM t1 WHERE a MATCH 'string'; } } {1 {unable to use function MATCH in the requested context}} do_test vtab1-3.13 { set echo_module } [list xBestIndex {SELECT rowid, * FROM 'treal'} \ xFilter {SELECT rowid, * FROM 'treal'}] ifcapable subquery { # The echo module uses a subquery internally to implement the MATCH operator. do_test vtab1-3.14 { set echo_module "" execsql { SELECT * FROM t1 WHERE b MATCH 'string'; } } {} do_test vtab1-3.15 { set echo_module } [list xBestIndex \ {SELECT rowid, * FROM 'treal' WHERE b LIKE (SELECT '%'||?||'%')} \ xFilter \ {SELECT rowid, * FROM 'treal' WHERE b LIKE (SELECT '%'||?||'%')} \ string ] }; #ifcapable subquery #---------------------------------------------------------------------- # Test case vtab1-3 test table scans and the echo module's # xBestIndex/xFilter handling of ORDER BY clauses. # This procedure executes the SQL. Then it checks to see if the OP_Sort # opcode was executed. If an OP_Sort did occur, then "sort" is appended # to the result. If no OP_Sort happened, then "nosort" is appended. # # This procedure is used to check to make sure sorting is or is not # occurring as expected. # proc cksort {sql} { set ::sqlite_sort_count 0 set data [execsql $sql] if {$::sqlite_sort_count} {set x sort} {set x nosort} lappend data $x return $data } do_test vtab1-4.1 { set echo_module "" cksort { SELECT b FROM t1 ORDER BY b; } } {2 5 nosort} do_test vtab1-4.2 { set echo_module } [list xBestIndex {SELECT rowid, * FROM 'treal' ORDER BY b ASC} \ xFilter {SELECT rowid, * FROM 'treal' ORDER BY b ASC} ] do_test vtab1-4.3 { set echo_module "" cksort { SELECT b FROM t1 ORDER BY b DESC; } } {5 2 nosort} do_test vtab1-4.4 { set echo_module } [list xBestIndex {SELECT rowid, * FROM 'treal' ORDER BY b DESC} \ xFilter {SELECT rowid, * FROM 'treal' ORDER BY b DESC} ] do_test vtab1-4.3 { set echo_module "" cksort { SELECT b FROM t1 ORDER BY b||''; } } {2 5 sort} do_test vtab1-4.4 { set echo_module } [list xBestIndex {SELECT rowid, * FROM 'treal'} \ xFilter {SELECT rowid, * FROM 'treal'} ] execsql { DROP TABLE t1; DROP TABLE treal; } #---------------------------------------------------------------------- # Test cases vtab1-5 test SELECT queries that include joins on virtual # tables. proc filter {log} { set out [list] for {set ii 0} {$ii < [llength $log]} {incr ii} { if {[lindex $log $ii] eq "xFilter"} { lappend out xFilter lappend out [lindex $log [expr $ii+1]] } } return $out } do_test vtab1-5-1 { execsql { CREATE TABLE t1(a, b, c); CREATE TABLE t2(d, e, f); INSERT INTO t1 VALUES(1, 'red', 'green'); INSERT INTO t1 VALUES(2, 'blue', 'black'); INSERT INTO t2 VALUES(1, 'spades', 'clubs'); INSERT INTO t2 VALUES(2, 'hearts', 'diamonds'); CREATE VIRTUAL TABLE et1 USING echo(t1); CREATE VIRTUAL TABLE et2 USING echo(t2); } } {} do_test vtab1-5-2 { set echo_module "" execsql { SELECT * FROM et1, et2; } } [list \ 1 red green 1 spades clubs \ 1 red green 2 hearts diamonds \ 2 blue black 1 spades clubs \ 2 blue black 2 hearts diamonds \ ] do_test vtab1-5-3 { filter $echo_module } [list \ xFilter {SELECT rowid, * FROM 't1'} \ xFilter {SELECT rowid, * FROM 't2'} \ xFilter {SELECT rowid, * FROM 't2'} \ ] do_test vtab1-5-4 { set echo_module "" execsql { SELECT * FROM et1, et2 WHERE et2.d = 2; } } [list \ 1 red green 2 hearts diamonds \ 2 blue black 2 hearts diamonds \ ] do_test vtab1-5-5 { filter $echo_module } [list \ xFilter {SELECT rowid, * FROM 't1'} \ xFilter {SELECT rowid, * FROM 't2'} \ xFilter {SELECT rowid, * FROM 't2'} \ ] do_test vtab1-5-6 { execsql { CREATE INDEX i1 ON t2(d); } db close sqlite3 db test.db register_echo_module [sqlite3_connection_pointer db] set ::echo_module "" execsql { SELECT * FROM et1, et2 WHERE et2.d = 2; } } [list \ 1 red green 2 hearts diamonds \ 2 blue black 2 hearts diamonds \ ] do_test vtab1-5-7 { filter $::echo_module } [list \ xFilter {SELECT rowid, * FROM 't2' WHERE d = ?} \ xFilter {SELECT rowid, * FROM 't1'} \ ] execsql { DROP TABLE t1; DROP TABLE t2; DROP TABLE et1; DROP TABLE et2; } #---------------------------------------------------------------------- # Test cases vtab1-6 test INSERT, UPDATE and DELETE operations # on virtual tables. do_test vtab1-6-1 { execsql { SELECT sql FROM sqlite_master } } {} do_test vtab1-6-2 { execsql { CREATE TABLE treal(a PRIMARY KEY, b, c); CREATE VIRTUAL TABLE techo USING echo(treal); SELECT name FROM sqlite_master WHERE type = 'table'; } } {treal techo} do_test vtab1-6-3.1.1 { execsql { PRAGMA count_changes=ON; INSERT INTO techo VALUES(1, 2, 3); } } {1} do_test vtab1-6-3.1.2 { db changes } {1} do_test vtab1-6-3.2 { execsql { SELECT * FROM techo; } } {1 2 3} do_test vtab1-6-4.1 { execsql { UPDATE techo SET a = 5; } db changes } {1} do_test vtab1-6-4.2 { execsql { SELECT * FROM techo; } } {5 2 3} do_test vtab1-6-4.3 { execsql { UPDATE techo SET a=6 WHERE a<0; } db changes } {0} do_test vtab1-6-4.4 { execsql { SELECT * FROM techo; } } {5 2 3} do_test vtab1-6-5.1 { execsql { UPDATE techo set a = a||b||c; } db changes } {1} do_test vtab1-6-5.2 { execsql { SELECT * FROM techo; } } {523 2 3} do_test vtab1-6-6.1 { execsql { UPDATE techo set rowid = 10; } db changes } {1} do_test vtab1-6-6.2 { execsql { SELECT rowid FROM techo; } } {10} do_test vtab1-6-7.1.1 { execsql { INSERT INTO techo VALUES(11,12,13); } } {1} do_test vtab1-6-7.1.2 { db changes } {1} do_test vtab1-6-7.2 { execsql { SELECT * FROM techo ORDER BY a; } } {11 12 13 523 2 3} do_test vtab1-6-7.3 { execsql { UPDATE techo SET b=b+1000 } db changes } {2} do_test vtab1-6-7.4 { execsql { SELECT * FROM techo ORDER BY a; } } {11 1012 13 523 1002 3} do_test vtab1-6-8.1 { execsql { DELETE FROM techo WHERE a=5; } db changes } {0} do_test vtab1-6-8.2 { execsql { SELECT * FROM techo ORDER BY a; } } {11 1012 13 523 1002 3} do_test vtab1-6-8.3 { execsql { DELETE FROM techo; } db changes } {2} do_test vtab1-6-8.4 { execsql { SELECT * FROM techo ORDER BY a; } } {} execsql {PRAGMA count_changes=OFF} forcedelete test2.db forcedelete test2.db-journal sqlite3 db2 test2.db execsql { CREATE TABLE techo(a PRIMARY KEY, b, c); } db2 proc check_echo_table {tn} { set ::data1 [execsql {SELECT rowid, * FROM techo}] set ::data2 [execsql {SELECT rowid, * FROM techo} db2] do_test $tn { string equal $::data1 $::data2 } 1 } set tn 0 foreach stmt [list \ {INSERT INTO techo VALUES('abc', 'def', 'ghi')} \ {INSERT INTO techo SELECT a||'.'||rowid, b, c FROM techo} \ {INSERT INTO techo SELECT a||'x'||rowid, b, c FROM techo} \ {INSERT INTO techo SELECT a||'y'||rowid, b, c FROM techo} \ {DELETE FROM techo WHERE (oid % 3) = 0} \ {UPDATE techo set rowid = 100 WHERE rowid = 1} \ {INSERT INTO techo(a, b) VALUES('hello', 'world')} \ {DELETE FROM techo} \ ] { execsql $stmt execsql $stmt db2 check_echo_table vtab1-6.8.[incr tn] } db2 close #---------------------------------------------------------------------- # Test cases vtab1-7 tests that the value returned by # sqlite3_last_insert_rowid() is set correctly when rows are inserted # into virtual tables. do_test vtab1.7-1 { execsql { CREATE TABLE real_abc(a PRIMARY KEY, b, c); CREATE VIRTUAL TABLE echo_abc USING echo(real_abc); } } {} do_test vtab1.7-2 { execsql { INSERT INTO echo_abc VALUES(1, 2, 3); SELECT last_insert_rowid(); } } {1} do_test vtab1.7-3 { execsql { INSERT INTO echo_abc(rowid) VALUES(31427); SELECT last_insert_rowid(); } } {31427} do_test vtab1.7-4 { execsql { INSERT INTO echo_abc SELECT a||'.v2', b, c FROM echo_abc; SELECT last_insert_rowid(); } } {31429} do_test vtab1.7-5 { execsql { SELECT rowid, a, b, c FROM echo_abc } } [list 1 1 2 3 \ 31427 {} {} {} \ 31428 1.v2 2 3 \ 31429 {} {} {} \ ] # Now test that DELETE and UPDATE operations do not modify the value. do_test vtab1.7-6 { execsql { UPDATE echo_abc SET c = 5 WHERE b = 2; SELECT last_insert_rowid(); } } {31429} do_test vtab1.7-7 { execsql { UPDATE echo_abc SET rowid = 5 WHERE rowid = 1; SELECT last_insert_rowid(); } } {31429} do_test vtab1.7-8 { execsql { DELETE FROM echo_abc WHERE b = 2; SELECT last_insert_rowid(); } } {31429} do_test vtab1.7-9 { execsql { SELECT rowid, a, b, c FROM echo_abc } } [list 31427 {} {} {} \ 31429 {} {} {} \ ] do_test vtab1.7-10 { execsql { DELETE FROM echo_abc WHERE b = 2; SELECT last_insert_rowid(); } } {31429} do_test vtab1.7-11 { execsql { SELECT rowid, a, b, c FROM real_abc } } [list 31427 {} {} {} \ 31429 {} {} {} \ ] do_test vtab1.7-12 { execsql { DELETE FROM echo_abc; SELECT last_insert_rowid(); } } {31429} do_test vtab1.7-13 { execsql { SELECT rowid, a, b, c FROM real_abc } } {} ifcapable attach { do_test vtab1.8-1 { set echo_module "" execsql { ATTACH 'test2.db' AS aux; CREATE VIRTUAL TABLE aux.e2 USING echo(real_abc); } set echo_module } [list xCreate echo aux e2 real_abc \ xSync echo(real_abc) \ xCommit echo(real_abc) \ ] } do_test vtab1.8-2 { catchsql { DROP TABLE aux.e2; } execsql { DROP TABLE treal; DROP TABLE techo; DROP TABLE echo_abc; DROP TABLE real_abc; } } {} do_test vtab1.9-1 { set echo_module "" execsql { CREATE TABLE r(a, b, c); CREATE VIRTUAL TABLE e USING echo(r, e_log); SELECT name FROM sqlite_master; } } {r e e_log} do_test vtab1.9-2 { execsql { DROP TABLE e; SELECT name FROM sqlite_master; } } {r} do_test vtab1.9-3 { set echo_module "" execsql { CREATE VIRTUAL TABLE e USING echo(r, e_log, virtual 1 2 3 varchar(32)); } set echo_module } [list \ xCreate echo main e r e_log {virtual 1 2 3 varchar(32)} \ xSync echo(r) \ xCommit echo(r) \ ] do_test vtab1.10-1 { execsql { CREATE TABLE del(d); CREATE VIRTUAL TABLE e2 USING echo(del); } db close sqlite3 db test.db register_echo_module [sqlite3_connection_pointer db] execsql { DROP TABLE del; } catchsql { SELECT * FROM e2; } } {1 {vtable constructor failed: e2}} do_test vtab1.10-2 { set rc [catch { set ptr [sqlite3_connection_pointer db] sqlite3_declare_vtab $ptr {CREATE TABLE abc(a, b, c)} } msg] list $rc $msg } {1 {library routine called out of sequence}} do_test vtab1.10-3 { set ::echo_module_begin_fail r catchsql { INSERT INTO e VALUES(1, 2, 3); } } {1 {SQL logic error or missing database}} do_test vtab1.10-4 { catch {execsql { EXPLAIN SELECT * FROM e WHERE rowid = 2; EXPLAIN QUERY PLAN SELECT * FROM e WHERE rowid = 2 ORDER BY rowid; }} } {0} do_test vtab1.10-5 { set echo_module "" execsql { SELECT * FROM e WHERE rowid||'' MATCH 'pattern'; } set echo_module } [list \ xBestIndex {SELECT rowid, * FROM 'r'} \ xFilter {SELECT rowid, * FROM 'r'} \ ] proc match_func {args} {return ""} do_test vtab1.10-6 { set echo_module "" db function match match_func execsql { SELECT * FROM e WHERE match('pattern', rowid, 'pattern2'); } set echo_module } [list \ xBestIndex {SELECT rowid, * FROM 'r'} \ xFilter {SELECT rowid, * FROM 'r'} \ ] # Testing the xFindFunction interface # catch {rename ::echo_glob_overload {}} do_test vtab1.11-1 { execsql { INSERT INTO r(a,b,c) VALUES(1,'?',99); INSERT INTO r(a,b,c) VALUES(2,3,99); SELECT a GLOB b FROM e } } {1 0} proc ::echo_glob_overload {a b} { return [list $b $a] } do_test vtab1.11-2 { execsql { SELECT a like 'b' FROM e } } {0 0} do_test vtab1.11-3 { execsql { SELECT a glob '2' FROM e } } {{1 2} {2 2}} do_test vtab1.11-4 { execsql { SELECT glob('2',a) FROM e } } {0 1} do_test vtab1.11-5 { execsql { SELECT glob(a,'2') FROM e } } {{2 1} {2 2}} #---------------------------------------------------------------------- # Test the outcome if a constraint is encountered half-way through # a multi-row INSERT that is inside a transaction # do_test vtab1.12-1 { execsql { CREATE TABLE b(a, b, c); CREATE TABLE c(a UNIQUE, b, c); INSERT INTO b VALUES(1, 'A', 'B'); INSERT INTO b VALUES(2, 'C', 'D'); INSERT INTO b VALUES(3, 'E', 'F'); INSERT INTO c VALUES(3, 'G', 'H'); CREATE VIRTUAL TABLE echo_c USING echo(c); } } {} # First test outside of a transaction. do_test vtab1.12-2 { catchsql { INSERT INTO echo_c SELECT * FROM b; } } {1 {echo-vtab-error: column a is not unique}} do_test vtab1.12-2.1 { sqlite3_errmsg db } {echo-vtab-error: column a is not unique} do_test vtab1.12-3 { execsql { SELECT * FROM c } } {3 G H} # Now the real test - wrapped in a transaction. do_test vtab1.12-4 { execsql {BEGIN} catchsql { INSERT INTO echo_c SELECT * FROM b; } } {1 {echo-vtab-error: column a is not unique}} do_test vtab1.12-5 { execsql { SELECT * FROM c } } {3 G H} do_test vtab1.12-6 { execsql { COMMIT } execsql { SELECT * FROM c } } {3 G H} # At one point (ticket #2759), a WHERE clause of the form " IS NULL" # on a virtual table was causing an assert() to fail in the compiler. # # "IS NULL" clauses should not be passed through to the virtual table # implementation. They are handled by SQLite after the vtab returns its # data. # do_test vtab1.13-1 { execsql { SELECT * FROM echo_c WHERE a IS NULL } } {} do_test vtab1.13-2 { execsql { INSERT INTO c VALUES(NULL, 15, 16); SELECT * FROM echo_c WHERE a IS NULL } } {{} 15 16} do_test vtab1.13-3 { execsql { INSERT INTO c VALUES(15, NULL, 16); SELECT * FROM echo_c WHERE b IS NULL } } {15 {} 16} do_test vtab1.13-3 { execsql { SELECT * FROM echo_c WHERE b IS NULL AND a = 15; } } {15 {} 16} do_test vtab1-14.1 { execsql { DELETE FROM c } set echo_module "" execsql { SELECT * FROM echo_c WHERE rowid IN (1, 2, 3) } set echo_module } [list xBestIndex {SELECT rowid, * FROM 'c'} xFilter {SELECT rowid, * FROM 'c'}] do_test vtab1-14.2 { set echo_module "" execsql { SELECT * FROM echo_c WHERE rowid = 1 } set echo_module } [list xBestIndex {SELECT rowid, * FROM 'c' WHERE rowid = ?} xFilter {SELECT rowid, * FROM 'c' WHERE rowid = ?} 1] do_test vtab1-14.3 { set echo_module "" execsql { SELECT * FROM echo_c WHERE a = 1 } set echo_module } [list xBestIndex {SELECT rowid, * FROM 'c' WHERE a = ?} xFilter {SELECT rowid, * FROM 'c' WHERE a = ?} 1] do_test vtab1-14.4 { set echo_module "" execsql { SELECT * FROM echo_c WHERE a IN (1, 2) } set echo_module } [list xBestIndex {SELECT rowid, * FROM 'c'} xFilter {SELECT rowid, * FROM 'c'}] do_test vtab1-15.1 { execsql { CREATE TABLE t1(a, b, c); CREATE VIRTUAL TABLE echo_t1 USING echo(t1); } } {} do_test vtab1-15.2 { execsql { INSERT INTO echo_t1(rowid) VALUES(45); SELECT rowid, * FROM echo_t1; } } {45 {} {} {}} do_test vtab1-15.3 { execsql { INSERT INTO echo_t1(rowid) VALUES(NULL); SELECT rowid, * FROM echo_t1; } } {45 {} {} {} 46 {} {} {}} do_test vtab1-15.4 { catchsql { INSERT INTO echo_t1(rowid) VALUES('new rowid'); } } {1 {datatype mismatch}} # The following tests - vtab1-16.* - are designed to test that setting # sqlite3_vtab.zErrMsg variable can be used by the vtab interface to # return an error message to the user. # do_test vtab1-16.1 { execsql { CREATE TABLE t2(a PRIMARY KEY, b, c); INSERT INTO t2 VALUES(1, 2, 3); INSERT INTO t2 VALUES(4, 5, 6); CREATE VIRTUAL TABLE echo_t2 USING echo(t2); } } {} set tn 2 foreach method [list \ xBestIndex \ xOpen \ xFilter \ xNext \ xColumn \ xRowid \ ] { do_test vtab1-16.$tn { set echo_module_fail($method,t2) "the $method method has failed" catchsql { SELECT rowid, * FROM echo_t2 WHERE a >= 1 } } "1 {echo-vtab-error: the $method method has failed}" unset echo_module_fail($method,t2) incr tn } foreach method [list \ xUpdate \ xBegin \ xSync \ ] { do_test vtab1-16.$tn { set echo_module_fail($method,t2) "the $method method has failed" catchsql { INSERT INTO echo_t2 VALUES(7, 8, 9) } } "1 {echo-vtab-error: the $method method has failed}" unset echo_module_fail($method,t2) incr tn } ifcapable altertable { do_test vtab1-16.$tn { set echo_module_fail(xRename,t2) "the xRename method has failed" catchsql { ALTER TABLE echo_t2 RENAME TO another_name } } "1 {echo-vtab-error: the xRename method has failed}" unset echo_module_fail(xRename,t2) incr tn } # The following test case exposes an instance in sqlite3_declare_vtab() # an error message was set using a call similar to sqlite3_mprintf(zErr), # where zErr is an arbitrary string. This is no good if the string contains # characters that can be mistaken for printf() formatting directives. # do_test vtab1-17.1 { execsql { PRAGMA writable_schema = 1; INSERT INTO sqlite_master VALUES( 'table', 't3', 't3', 0, 'INSERT INTO "%s%s" VALUES(1)' ); } catchsql { CREATE VIRTUAL TABLE t4 USING echo(t3); } } {1 {vtable constructor failed: t4}} # This test verifies that ticket 48f29963 is fixed. # do_test vtab1-17.1 { execsql { CREATE TABLE t5(a, b); CREATE VIRTUAL TABLE e5 USING echo_v2(t5); BEGIN; INSERT INTO e5 VALUES(1, 2); DROP TABLE e5; SAVEPOINT one; ROLLBACK TO one; COMMIT; } } {} unset -nocomplain echo_module_begin_fail finish_test