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third_party/sqlite/src/test/attach3.test

Index: third_party/sqlite/src/test/attach3.test
diff --git a/third_party/sqlite/src/test/attach3.test b/third_party/sqlite/src/test/attach3.test
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+# 2003 July 1
+#
+# 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 script is testing the ATTACH and DETACH commands
+# and schema changes to attached databases.
+#
+# $Id: attach3.test,v 1.18 2007/10/09 08:29:32 danielk1977 Exp $
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !attach {
+  finish_test
+  return
+}
+
+# The tests in this file were written before SQLite supported recursive
+# trigger invocation, and some tests depend on that to pass. So disable
+# recursive triggers for this file.
+catchsql { pragma recursive_triggers = off } 
+
+# Create tables t1 and t2 in the main database
+execsql {
+  CREATE TABLE t1(a, b);
+  CREATE TABLE t2(c, d);
+}
+
+# Create tables t1 and t2 in database file test2.db
+file delete -force test2.db
+file delete -force test2.db-journal
+sqlite3 db2 test2.db
+execsql {
+  CREATE TABLE t1(a, b);
+  CREATE TABLE t2(c, d);
+} db2
+db2 close
+
+# Create a table in the auxilary database.
+do_test attach3-1.1 {
+  execsql {
+    ATTACH 'test2.db' AS aux;
+  }
+} {}
+do_test attach3-1.2 {
+  execsql {
+    CREATE TABLE aux.t3(e, f);
+  }
+} {}
+do_test attach3-1.3 {
+  execsql {
+    SELECT * FROM sqlite_master WHERE name = 't3';
+  }
+} {}
+do_test attach3-1.4 {
+  execsql {
+    SELECT * FROM aux.sqlite_master WHERE name = 't3';
+  }
+} "table t3 t3 [expr $AUTOVACUUM?5:4] {CREATE TABLE t3(e, f)}"
+do_test attach3-1.5 {
+  execsql {
+    INSERT INTO t3 VALUES(1, 2);
+    SELECT * FROM t3;
+  }
+} {1 2}
+
+# Create an index on the auxilary database table.
+do_test attach3-2.1 {
+  execsql {
+    CREATE INDEX aux.i1 on t3(e);
+  }
+} {}
+do_test attach3-2.2 {
+  execsql {
+    SELECT * FROM sqlite_master WHERE name = 'i1';
+  }
+} {}
+do_test attach3-2.3 {
+  execsql {
+    SELECT * FROM aux.sqlite_master WHERE name = 'i1';
+  }
+} "index i1 t3 [expr $AUTOVACUUM?6:5] {CREATE INDEX i1 on t3(e)}"
+
+# Drop the index on the aux database table.
+do_test attach3-3.1 {
+  execsql {
+    DROP INDEX aux.i1;
+    SELECT * FROM aux.sqlite_master WHERE name = 'i1';
+  }
+} {}
+do_test attach3-3.2 {
+  execsql {
+    CREATE INDEX aux.i1 on t3(e);
+    SELECT * FROM aux.sqlite_master WHERE name = 'i1';
+  }
+} "index i1 t3 [expr $AUTOVACUUM?6:5] {CREATE INDEX i1 on t3(e)}"
+do_test attach3-3.3 {
+  execsql {
+    DROP INDEX i1;
+    SELECT * FROM aux.sqlite_master WHERE name = 'i1';
+  }
+} {}
+
+# Drop tables t1 and t2 in the auxilary database.
+do_test attach3-4.1 {
+  execsql {
+    DROP TABLE aux.t1;
+    SELECT name FROM aux.sqlite_master;
+  }
+} {t2 t3}
+do_test attach3-4.2 {
+  # This will drop main.t2
+  execsql {
+    DROP TABLE t2;
+    SELECT name FROM aux.sqlite_master;
+  }
+} {t2 t3}
+do_test attach3-4.3 {
+  execsql {
+    DROP TABLE t2;
+    SELECT name FROM aux.sqlite_master;
+  }
+} {t3}
+
+# Create a view in the auxilary database.
+ifcapable view {
+do_test attach3-5.1 {
+  execsql {
+    CREATE VIEW aux.v1 AS SELECT * FROM t3;
+  }
+} {}
+do_test attach3-5.2 {
+  execsql {
+    SELECT * FROM aux.sqlite_master WHERE name = 'v1';
+  }
+} {view v1 v1 0 {CREATE VIEW v1 AS SELECT * FROM t3}}
+do_test attach3-5.3 {
+  execsql {
+    INSERT INTO aux.t3 VALUES('hello', 'world');
+    SELECT * FROM v1;
+  }
+} {1 2 hello world}
+
+# Drop the view 
+do_test attach3-6.1 {
+  execsql {
+    DROP VIEW aux.v1;
+  }
+} {}
+do_test attach3-6.2 {
+  execsql {
+    SELECT * FROM aux.sqlite_master WHERE name = 'v1';
+  }
+} {}
+} ;# ifcapable view
+
+ifcapable {trigger} {
+# Create a trigger in the auxilary database.
+do_test attach3-7.1 {
+  execsql {
+    CREATE TRIGGER aux.tr1 AFTER INSERT ON t3 BEGIN
+      INSERT INTO t3 VALUES(new.e*2, new.f*2);
+    END;
+  }
+} {}
+do_test attach3-7.2 {
+  execsql {
+    DELETE FROM t3;
+    INSERT INTO t3 VALUES(10, 20);
+    SELECT * FROM t3;
+  }
+} {10 20 20 40}
+do_test attach3-5.3 {
+  execsql {
+    SELECT * FROM aux.sqlite_master WHERE name = 'tr1';
+  }
+} {trigger tr1 t3 0 {CREATE TRIGGER tr1 AFTER INSERT ON t3 BEGIN
+      INSERT INTO t3 VALUES(new.e*2, new.f*2);
+    END}}
+
+# Drop the trigger 
+do_test attach3-8.1 {
+  execsql {
+    DROP TRIGGER aux.tr1;
+  }
+} {}
+do_test attach3-8.2 {
+  execsql {
+    SELECT * FROM aux.sqlite_master WHERE name = 'tr1';
+  }
+} {}
+
+ifcapable tempdb {
+  # Try to trick SQLite into dropping the wrong temp trigger.
+  do_test attach3-9.0 {
+    execsql {
+      CREATE TABLE main.t4(a, b, c);
+      CREATE TABLE aux.t4(a, b, c);
+      CREATE TEMP TRIGGER tst_trigger BEFORE INSERT ON aux.t4 BEGIN 
+        SELECT 'hello world';
+      END;
+      SELECT count(*) FROM sqlite_temp_master;
+    }
+  } {1}
+  do_test attach3-9.1 {
+    execsql {
+      DROP TABLE main.t4;
+      SELECT count(*) FROM sqlite_temp_master;
+    }
+  } {1}
+  do_test attach3-9.2 {
+    execsql {
+      DROP TABLE aux.t4;
+      SELECT count(*) FROM sqlite_temp_master;
+    }
+  } {0}
+}
+} ;# endif trigger
+
+# Make sure the aux.sqlite_master table is read-only
+do_test attach3-10.0 {
+  catchsql {
+    INSERT INTO aux.sqlite_master VALUES(1, 2, 3, 4, 5);
+  }
+} {1 {table sqlite_master may not be modified}}
+
+# Failure to attach leaves us in a workable state.
+# Ticket #811
+#
+do_test attach3-11.0 {
+  catchsql {
+    ATTACH DATABASE '/nodir/nofile.x' AS notadb;
+  }
+} {1 {unable to open database: /nodir/nofile.x}}
+do_test attach3-11.1 {
+  catchsql {
+    ATTACH DATABASE ':memory:' AS notadb;
+  }
+} {0 {}}
+do_test attach3-11.2 {
+  catchsql {
+    DETACH DATABASE notadb;
+  }
+} {0 {}}
+
+# Return a list of attached databases
+#
+proc db_list {} {
+  set x [execsql {
+    PRAGMA database_list;
+  }]
+  set y {}
+  foreach {n id file} $x {lappend y $id}
+  return $y
+}
+
+ifcapable schema_pragmas&&tempdb {
+
+ifcapable !trigger {
+  execsql {create temp table dummy(dummy)}
+}
+
+# Ticket #1825
+#
+do_test attach3-12.1 {
+  db_list
+} {main temp aux}
+do_test attach3-12.2 {
+  execsql {
+    ATTACH DATABASE ? AS ?
+  }
+  db_list
+} {main temp aux {}}
+do_test attach3-12.3 {
+  execsql {
+    DETACH aux
+  }
+  db_list
+} {main temp {}}
+do_test attach3-12.4 {
+  execsql {
+    DETACH ?
+  }
+  db_list
+} {main temp}
+do_test attach3-12.5 {
+  execsql {
+    ATTACH DATABASE '' AS ''
+  }
+  db_list
+} {main temp {}}
+do_test attach3-12.6 {
+  execsql {
+    DETACH ''
+  }
+  db_list
+} {main temp}
+do_test attach3-12.7 {
+  execsql {
+    ATTACH DATABASE '' AS ?
+  }
+  db_list
+} {main temp {}}
+do_test attach3-12.8 {
+  execsql {
+    DETACH ''
+  }
+  db_list
+} {main temp}
+do_test attach3-12.9 {
+  execsql {
+    ATTACH DATABASE '' AS NULL
+  }
+  db_list
+} {main temp {}}
+do_test attach3-12.10 {
+breakpoint
+  execsql {
+    DETACH ?
+  }
+  db_list
+} {main temp}
+do_test attach3-12.11 {
+  catchsql {
+    DETACH NULL
+  }
+} {1 {no such database: }}
+do_test attach3-12.12 {
+  catchsql {
+    ATTACH null AS null;
+    ATTACH '' AS '';
+  }
+} {1 {database  is already in use}}
+do_test attach3-12.13 {
+  db_list
+} {main temp {}}
+do_test attach3-12.14 {
+  execsql {
+    DETACH '';
+  }
+  db_list
+} {main temp}
+
+} ;# ifcapable pragma
+
+finish_test