Move bundled copy of sqlite one level deeper to better separate it...

third_party/sqlite/test/alter2.test

-# 2005 February 18
-#
-# 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 that SQLite can handle a subtle 
-# file format change that may be used in the future to implement
-# "ALTER TABLE ... ADD COLUMN".
-#
-# $Id: alter2.test,v 1.14 2009/04/07 14:14:22 danielk1977 Exp $
-#
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-
-# We have to have pragmas in order to do this test
-ifcapable {!pragma} return
-
-# These tests do not work if there is a codec. 
-#
-#if {[catch {sqlite3 -has_codec} r] || $r} return
-
-# The file format change affects the way row-records stored in tables (but 
-# not indices) are interpreted. Before version 3.1.3, a row-record for a 
-# table with N columns was guaranteed to contain exactly N fields. As
-# of version 3.1.3, the record may contain up to N fields. In this case
-# the M fields that are present are the values for the left-most M 
-# columns. The (N-M) rightmost columns contain NULL.
-#
-# If any records in the database contain less fields than their table
-# has columns, then the file-format meta value should be set to (at least) 2. 
-#
-
-# This procedure sets the value of the file-format in file 'test.db'
-# to $newval. Also, the schema cookie is incremented.
-# 
-proc set_file_format {newval} {
-  hexio_write test.db 44 [hexio_render_int32 $newval]
-  set schemacookie [hexio_get_int [hexio_read test.db 40 4]]
-  incr schemacookie
-  hexio_write test.db 40 [hexio_render_int32 $schemacookie]
-  return {}
-}
-
-# This procedure returns the value of the file-format in file 'test.db'.
-# 
-proc get_file_format {{fname test.db}} {
-  return [hexio_get_int [hexio_read $fname 44 4]]
-}
-
-# This procedure sets the SQL statement stored for table $tbl in the
-# sqlite_master table of file 'test.db' to $sql. Also set the file format
-# to the supplied value. This is 2 if the added column has a default that is
-# NULL, or 3 otherwise. 
-#
-proc alter_table {tbl sql {file_format 2}} {
-  sqlite3 dbat test.db
-  set s [string map {' ''} $sql]
-  set t [string map {' ''} $tbl]
-  dbat eval [subst {
-    PRAGMA writable_schema = 1;
-    UPDATE sqlite_master SET sql = '$s' WHERE name = '$t' AND type = 'table';
-    PRAGMA writable_schema = 0;
-  }]
-  dbat close
-  set_file_format 2
-}
-
-#-----------------------------------------------------------------------
-# Some basic tests to make sure short rows are handled.
-#
-do_test alter2-1.1 {
-  execsql {
-    CREATE TABLE abc(a, b);
-    INSERT INTO abc VALUES(1, 2);
-    INSERT INTO abc VALUES(3, 4);
-    INSERT INTO abc VALUES(5, 6);
-  }
-} {}
-do_test alter2-1.2 {
-  # ALTER TABLE abc ADD COLUMN c;
-  alter_table abc {CREATE TABLE abc(a, b, c);}
-} {}
-do_test alter2-1.3 {
-  execsql {
-    SELECT * FROM abc;
-  }
-} {1 2 {} 3 4 {} 5 6 {}}
-do_test alter2-1.4 {
-  execsql {
-    UPDATE abc SET c = 10 WHERE a = 1;
-    SELECT * FROM abc;
-  }
-} {1 2 10 3 4 {} 5 6 {}}
-do_test alter2-1.5 {
-  execsql {
-    CREATE INDEX abc_i ON abc(c);
-  }
-} {}
-do_test alter2-1.6 {
-  execsql {
-    SELECT c FROM abc ORDER BY c;
-  }
-} {{} {} 10}
-do_test alter2-1.7 {
-  execsql {
-    SELECT * FROM abc WHERE c = 10;
-  }
-} {1 2 10}
-do_test alter2-1.8 {
-  execsql {
-    SELECT sum(a), c FROM abc GROUP BY c;
-  }
-} {8 {} 1 10}
-do_test alter2-1.9 {
-  # ALTER TABLE abc ADD COLUMN d;
-  alter_table abc {CREATE TABLE abc(a, b, c, d);}
-  execsql { SELECT * FROM abc; }
-  execsql {
-    UPDATE abc SET d = 11 WHERE c IS NULL AND a<4;
-    SELECT * FROM abc;
-  }
-} {1 2 10 {} 3 4 {} 11 5 6 {} {}}
-do_test alter2-1.10 {
-  execsql {
-    SELECT typeof(d) FROM abc;
-  }
-} {null integer null}
-do_test alter2-1.99 {
-  execsql {
-    DROP TABLE abc;
-  }
-} {}
-
-#-----------------------------------------------------------------------
-# Test that views work when the underlying table structure is changed.
-#
-ifcapable view {
-  do_test alter2-2.1 {
-    execsql {
-      CREATE TABLE abc2(a, b, c);
-      INSERT INTO abc2 VALUES(1, 2, 10);
-      INSERT INTO abc2 VALUES(3, 4, NULL);
-      INSERT INTO abc2 VALUES(5, 6, NULL);
-      CREATE VIEW abc2_v AS SELECT * FROM abc2;
-      SELECT * FROM abc2_v;
-    }
-  } {1 2 10 3 4 {} 5 6 {}}
-  do_test alter2-2.2 {
-    # ALTER TABLE abc ADD COLUMN d;
-    alter_table abc2 {CREATE TABLE abc2(a, b, c, d);}
-    execsql {
-      SELECT * FROM abc2_v;
-    }
-  } {1 2 10 {} 3 4 {} {} 5 6 {} {}}
-  do_test alter2-2.3 {
-    execsql {
-      DROP TABLE abc2;
-      DROP VIEW abc2_v;
-    }
-  } {}
-}
-
-#-----------------------------------------------------------------------
-# Test that triggers work when a short row is copied to the old.*
-# trigger pseudo-table.
-#
-ifcapable trigger {
-  do_test alter2-3.1 {
-    execsql {
-      CREATE TABLE abc3(a, b);
-      CREATE TABLE blog(o, n);
-      CREATE TRIGGER abc3_t AFTER UPDATE OF b ON abc3 BEGIN
-        INSERT INTO blog VALUES(old.b, new.b);
-      END;
-    }
-  } {}
-  do_test alter2-3.2 {
-    execsql {
-      INSERT INTO abc3 VALUES(1, 4);
-      UPDATE abc3 SET b = 2 WHERE b = 4;
-      SELECT * FROM blog;
-    }
-  } {4 2}
-  do_test alter2-3.3 {
-    execsql {
-      INSERT INTO abc3 VALUES(3, 4);
-      INSERT INTO abc3 VALUES(5, 6);
-    }
-    alter_table abc3 {CREATE TABLE abc3(a, b, c);}
-    execsql {
-      SELECT * FROM abc3;
-    }
-  } {1 2 {} 3 4 {} 5 6 {}}
-  do_test alter2-3.4 {
-    execsql {
-      UPDATE abc3 SET b = b*2 WHERE a<4;
-      SELECT * FROM abc3;
-    }
-  } {1 4 {} 3 8 {} 5 6 {}}
-  do_test alter2-3.5 {
-    execsql {
-      SELECT * FROM blog;
-    }
-  } {4 2 2 4 4 8}
-
-  do_test alter2-3.6 {
-    execsql {
-      CREATE TABLE clog(o, n);
-      CREATE TRIGGER abc3_t2 AFTER UPDATE OF c ON abc3 BEGIN
-        INSERT INTO clog VALUES(old.c, new.c);
-      END;
-      UPDATE abc3 SET c = a*2;
-      SELECT * FROM clog;
-    }
-  } {{} 2 {} 6 {} 10}
-} else {
-  execsql { CREATE TABLE abc3(a, b); }
-}
-
-#---------------------------------------------------------------------
-# Check that an error occurs if the database is upgraded to a file
-# format that SQLite does not support (in this case 5). Note: The 
-# file format is checked each time the schema is read, so changing the
-# file format requires incrementing the schema cookie.
-#
-do_test alter2-4.1 {
-  db close
-  set_file_format 5
-  sqlite3 db test.db
-} {}
-do_test alter2-4.2 {
-  # We have to run two queries here because the Tcl interface uses
-  # sqlite3_prepare_v2(). In this case, the first query encounters an 
-  # SQLITE_SCHEMA error. Then, when trying to recompile the statement, the
-  # "unsupported file format" error is encountered. So the error code
-  # returned is SQLITE_SCHEMA, not SQLITE_ERROR as required by the following
-  # test case.
-  #
-  # When the query is attempted a second time, the same error message is
-  # returned but the error code is SQLITE_ERROR, because the unsupported
-  # file format was detected during a call to sqlite3_prepare(), not
-  # sqlite3_step().
-  #
-  catchsql { SELECT * FROM sqlite_master; }
-  catchsql { SELECT * FROM sqlite_master; }
-} {1 {unsupported file format}}
-do_test alter2-4.3 {
-  sqlite3_errcode db
-} {SQLITE_ERROR}
-do_test alter2-4.4 {
-  set ::DB [sqlite3_connection_pointer db]
-  catchsql {
-    SELECT * FROM sqlite_master;
-  }
-} {1 {unsupported file format}}
-do_test alter2-4.5 {
-  sqlite3_errcode db
-} {SQLITE_ERROR}
-
-#---------------------------------------------------------------------
-# Check that executing VACUUM on a file with file-format version 2
-# resets the file format to 1.
-#
-set default_file_format [expr $SQLITE_DEFAULT_FILE_FORMAT==4 ? 4 : 1]
-ifcapable vacuum {
-  do_test alter2-5.1 {
-    set_file_format 2
-    db close
-    sqlite3 db test.db
-    execsql {SELECT 1 FROM sqlite_master LIMIT 1;}
-    get_file_format
-  } {2}
-  do_test alter2-5.2 {
-    execsql { VACUUM }
-  } {}
-  do_test alter2-5.3 {
-    get_file_format
-  } $default_file_format
-}
- 
-#---------------------------------------------------------------------
-# Test that when a database with file-format 2 is opened, new 
-# databases are still created with file-format 1.
-#
-do_test alter2-6.1 {
-  db close
-  set_file_format 2
-  sqlite3 db test.db
-  get_file_format
-} {2}
-ifcapable attach {
-  do_test alter2-6.2 {
-    file delete -force test2.db-journal
-    file delete -force test2.db
-    execsql {
-      ATTACH 'test2.db' AS aux;
-      CREATE TABLE aux.t1(a, b);
-    }
-    get_file_format test2.db
-  } $default_file_format
-}
-do_test alter2-6.3 {
-  execsql {
-    CREATE TABLE t1(a, b);
-  }
-  get_file_format 
-} {2}
-
-#---------------------------------------------------------------------
-# Test that types and values for columns added with default values 
-# other than NULL work with SELECT statements.
-#
-do_test alter2-7.1 {
-  execsql {
-    DROP TABLE t1;
-    CREATE TABLE t1(a);
-    INSERT INTO t1 VALUES(1);
-    INSERT INTO t1 VALUES(2);
-    INSERT INTO t1 VALUES(3);
-    INSERT INTO t1 VALUES(4);
-    SELECT * FROM t1;
-  }
-} {1 2 3 4}
-do_test alter2-7.2 {
-  set sql {CREATE TABLE t1(a, b DEFAULT '123', c INTEGER DEFAULT '123')}
-  alter_table t1 $sql 3
-  execsql {
-    SELECT * FROM t1 LIMIT 1;
-  }
-} {1 123 123}
-do_test alter2-7.3 {
-  execsql {
-    SELECT a, typeof(a), b, typeof(b), c, typeof(c) FROM t1 LIMIT 1;
-  }
-} {1 integer 123 text 123 integer}
-do_test alter2-7.4 {
-  execsql {
-    SELECT a, typeof(a), b, typeof(b), c, typeof(c) FROM t1 LIMIT 1;
-  }
-} {1 integer 123 text 123 integer}
-do_test alter2-7.5 {
-  set sql {CREATE TABLE t1(a, b DEFAULT -123.0, c VARCHAR(10) default 5)}
-  alter_table t1 $sql 3
-  execsql {
-    SELECT a, typeof(a), b, typeof(b), c, typeof(c) FROM t1 LIMIT 1;
-  }
-} {1 integer -123 integer 5 text}
-
-#-----------------------------------------------------------------------
-# Test that UPDATE trigger tables work with default values, and that when
-# a row is updated the default values are correctly transfered to the 
-# new row.
-# 
-ifcapable trigger {
-db function set_val {set ::val}
-  do_test alter2-8.1 {
-    execsql {
-      CREATE TRIGGER trig1 BEFORE UPDATE ON t1 BEGIN
-      SELECT set_val(
-          old.b||' '||typeof(old.b)||' '||old.c||' '||typeof(old.c)||' '||
-          new.b||' '||typeof(new.b)||' '||new.c||' '||typeof(new.c) 
-      );
-      END;
-    }
-    list
-  } {}
-}
-do_test alter2-8.2 {
-  execsql {
-    UPDATE t1 SET c = 10 WHERE a = 1;
-    SELECT a, typeof(a), b, typeof(b), c, typeof(c) FROM t1 LIMIT 1;
-  }
-} {1 integer -123 integer 10 text}
-ifcapable trigger {
-  do_test alter2-8.3 {
-    set ::val
-  } {-123 integer 5 text -123 integer 10 text}
-}
-
-#-----------------------------------------------------------------------
-# Test that DELETE trigger tables work with default values, and that when
-# a row is updated the default values are correctly transfered to the 
-# new row.
-# 
-ifcapable trigger {
-  do_test alter2-9.1 {
-    execsql {
-      CREATE TRIGGER trig2 BEFORE DELETE ON t1 BEGIN
-      SELECT set_val(
-          old.b||' '||typeof(old.b)||' '||old.c||' '||typeof(old.c)
-      );
-      END;
-    }
-    list
-  } {}
-  do_test alter2-9.2 {
-    execsql {
-      DELETE FROM t1 WHERE a = 2;
-    }
-    set ::val
-  } {-123 integer 5 text}
-}
-
-#-----------------------------------------------------------------------
-# Test creating an index on a column added with a default value. 
-#
-ifcapable bloblit {
-  do_test alter2-10.1 {
-    execsql {
-      CREATE TABLE t2(a);
-      INSERT INTO t2 VALUES('a');
-      INSERT INTO t2 VALUES('b');
-      INSERT INTO t2 VALUES('c');
-      INSERT INTO t2 VALUES('d');
-    }
-    alter_table t2 {CREATE TABLE t2(a, b DEFAULT X'ABCD', c DEFAULT NULL);} 3
-    catchsql {
-      SELECT * FROM sqlite_master;
-    }
-    execsql {
-      SELECT quote(a), quote(b), quote(c) FROM t2 LIMIT 1;
-    }
-  } {'a' X'ABCD' NULL}
-  do_test alter2-10.2 {
-    execsql {
-      CREATE INDEX i1 ON t2(b);
-      SELECT a FROM t2 WHERE b = X'ABCD';
-    }
-  } {a b c d}
-  do_test alter2-10.3 {
-    execsql {
-      DELETE FROM t2 WHERE a = 'c';
-      SELECT a FROM t2 WHERE b = X'ABCD';
-    }
-  } {a b d}
-  do_test alter2-10.4 {
-    execsql {
-      SELECT count(b) FROM t2 WHERE b = X'ABCD';
-    }
-  } {3}
-}
-
-finish_test