SQLite

    catchsql {
      CREATE TRIGGER r5 AFTER INSERT ON t5 BEGIN
        DELETE FROM t1 WHERE x<(SELECT min(x) FROM temp.t6);
      END;
    } db2
  } {1 {trigger r5 cannot reference objects in database temp}}
} ;# endif subquery
ifcapable json1&&vtab {
  do_test attach-5.10 {
    db close
    catch {db2 close}
    forcedelete test.db
    sqlite3 db test.db
    db eval {
      CREATE TABLE t1(x);

  set ::cnt
  # Refcnt() should not be invoked because that index does not change.
} {0}

# Additional test cases to show that UPDATE does not modify indexes that
# do not involve unchanged columns.
#
ifcapable vtab {
  load_static_extension db explain
  do_execsql_test 4.200 {
    CREATE TABLE t2(a,b,c,d,e,f);
    INSERT INTO t2 VALUES(2,3,4,5,6,7);
    CREATE INDEX t2abc ON t2(a+b+c);
    CREATE INDEX t2cd ON t2(c*d);
    CREATE INDEX t2def ON t2(d,e+25*f);
    SELECT sqlite_master.name 
      FROM sqlite_master, explain('UPDATE t2 SET b=b+1')
     WHERE explain.opcode LIKE 'Open%'
       AND sqlite_master.rootpage=explain.p2
     ORDER BY 1;
  } {t2 t2abc}
  do_execsql_test 4.210 {
    SELECT sqlite_master.name 
      FROM sqlite_master, explain('UPDATE t2 SET c=c+1')
     WHERE explain.opcode LIKE 'Open%'
       AND sqlite_master.rootpage=explain.p2
     ORDER BY 1;
  } {t2 t2abc t2cd}
  do_execsql_test 4.220 {
    SELECT sqlite_master.name 
      FROM sqlite_master, explain('UPDATE t2 SET c=c+1, f=NULL')
     WHERE explain.opcode LIKE 'Open%'
       AND sqlite_master.rootpage=explain.p2
     ORDER BY 1;
  } {t2 t2abc t2cd t2def}
}


finish_test

reset_db
forcedelete test.db2
do_execsql_test 4.2.1 {
  CREATE TABLE t1(a, b, c);
  ATTACH 'test.db2' AS aux;
  CREATE TABLE aux.t2(d, e, f);
}
ifcapable vtab {
  do_execsql_test 4.2.2 { SELECT * FROM pragma_table_info('t1') } {
    0 a {} 0 {} 0 1 b {} 0 {} 0 2 c {} 0 {} 0
  }
  do_execsql_test 4.2.3 { SELECT * FROM pragma_table_info('t2') } {
    0 d {} 0 {} 0 1 e {} 0 {} 0 2 f {} 0 {} 0
  }
}
do_test 4.2.4 { 
  sqlite3 db3 test.db
  sqlite3 db2 test.db2
  execsql { DROP TABLE t1 } db3
  execsql { DROP TABLE t2 } db2
} {}
ifcapable vtab {
  do_execsql_test 4.2.5 { SELECT * FROM pragma_table_info('t1') } 
  do_execsql_test 4.2.6 { SELECT * FROM pragma_table_info('t2') } 
}

db2 close
db3 close
reset_db
forcedelete test.db2
do_execsql_test 4.3.1 {
  CREATE TABLE t1(a, b, c);
  CREATE INDEX i1 ON t1(b);
  ATTACH 'test.db2' AS aux;
  CREATE TABLE aux.t2(d, e, f);
  CREATE INDEX aux.i2 ON t2(e);
}
ifcapable vtab {
  do_execsql_test 4.3.2 { SELECT * FROM pragma_index_info('i1') } {0 1 b}
  do_execsql_test 4.3.3 { SELECT * FROM pragma_index_info('i2') } {0 1 e}
}
do_test 4.3.4 { 
  sqlite3 db3 test.db
  sqlite3 db2 test.db2
  execsql { DROP INDEX i1 } db3
  execsql { DROP INDEX i2 } db2
} {}
ifcapable vtab {
  do_execsql_test 4.3.5 { SELECT * FROM pragma_index_info('i1') } 
  do_execsql_test 4.3.6 { SELECT * FROM pragma_index_info('i2') } 
}

execsql {SELECT * FROM main.sqlite_master, aux.sqlite_master}
do_execsql_test 4.4.0 {
  CREATE INDEX main.i1 ON t1(b, c);
  CREATE INDEX aux.i2 ON t2(e, f);
}
ifcapable vtab {
  do_execsql_test 4.4.1 { SELECT * FROM pragma_index_list('t1') } {0 i1 0 c 0}
  do_execsql_test 4.4.2 { SELECT * FROM pragma_index_list('t2') } {0 i2 0 c 0}
}
do_test 4.4.3 { 
  execsql { DROP INDEX i1 } db3
  execsql { DROP INDEX i2 } db2
} {}
ifcapable vtab {
  do_execsql_test 4.4.5 { SELECT * FROM pragma_index_list('t1') } {}
  do_execsql_test 4.4.6 { SELECT * FROM pragma_index_list('t2') } {}
}
execsql {SELECT * FROM main.sqlite_master, aux.sqlite_master}

do_execsql_test 4.5.0 {
  CREATE UNIQUE INDEX main.i1 ON t1(a);
  CREATE UNIQUE INDEX aux.i2 ON t2(d);
  CREATE TABLE main.c1 (a, b, c REFERENCES t1(a));
  CREATE TABLE aux.c2 (d, e, r REFERENCES t2(d));
}
ifcapable vtab {
  do_execsql_test 4.5.1 { SELECT * FROM pragma_foreign_key_list('c1') } {
    0 0 t1 c a {NO ACTION} {NO ACTION} NONE
  }
  do_execsql_test 4.5.2 { SELECT * FROM pragma_foreign_key_list('c2') } {
    0 0 t2 r d {NO ACTION} {NO ACTION} NONE
  }
}
do_test 4.5.3 { 
  execsql { DROP TABLE c1 } db3
  execsql { DROP TABLE c2 } db2
} {}
ifcapable vtab {
  do_execsql_test 4.5.4 { SELECT * FROM pragma_foreign_key_list('c1') }
  do_execsql_test 4.5.5 { SELECT * FROM pragma_foreign_key_list('c2') } 
}
execsql {SELECT * FROM main.sqlite_master, aux.sqlite_master}

do_execsql_test 4.6.0 {
  CREATE TABLE main.c1 (a, b, c REFERENCES t1(a));
  CREATE TABLE aux.c2 (d, e, r REFERENCES t2(d));
  INSERT INTO main.c1 VALUES(1, 2, 3);
  INSERT INTO aux.c2 VALUES(4, 5, 6);
}