Adding upstream version 3.45.1.upstream/3.45.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 739 insertions, 0 deletions

diff --git a/test/altertab3.test b/test/altertab3.test
new file mode 100644
index 0000000..5fd17f3
--- /dev/null
+++ b/test/altertab3.test
@@ -0,0 +1,739 @@
+# 2019 January 23
+#
+# 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.
+#
+#*************************************************************************
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix altertab3
+
+# If SQLITE_OMIT_ALTERTABLE is defined, omit this file.
+ifcapable !altertable {
+  finish_test
+  return
+}
+
+ifcapable windowfunc {
+do_execsql_test 1.0 {
+  CREATE TABLE t1(a, b);
+  CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN
+    SELECT sum(b) OVER w FROM t1 WINDOW w AS (ORDER BY a);
+  END;
+}
+
+do_execsql_test 1.1 {
+  ALTER TABLE t1 RENAME a TO aaa;
+}
+
+do_execsql_test 1.2 {
+  SELECT sql FROM sqlite_master WHERE name='tr1'
+} {{CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN
+    SELECT sum(b) OVER w FROM t1 WINDOW w AS (ORDER BY aaa);
+  END}}
+
+do_execsql_test 1.3 {
+  INSERT INTO t1 VALUES(1, 2);
+}
+} ;# windowfunc
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 2.0 {
+  CREATE TABLE t1(a,b,c);
+  CREATE TABLE t2(a,b,c);
+  CREATE TRIGGER r1 AFTER INSERT ON t1 WHEN new.a NOT NULL BEGIN
+    SELECT a,b, a name FROM t1 
+      INTERSECT 
+    SELECT a,b,c FROM t1 WHERE b>='d' ORDER BY name;
+    SELECT new.c;
+  END;
+}
+
+do_execsql_test 2.1 {
+  ALTER TABLE t1 RENAME TO t1x;
+  SELECT sql FROM sqlite_master WHERE name = 'r1';
+} {{CREATE TRIGGER r1 AFTER INSERT ON "t1x" WHEN new.a NOT NULL BEGIN
+    SELECT a,b, a name FROM "t1x" 
+      INTERSECT 
+    SELECT a,b,c FROM "t1x" WHERE b>='d' ORDER BY name;
+    SELECT new.c;
+  END}}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 3.0 {
+  CREATE TABLE t1(a, b, c, d);
+  CREATE VIEW v1 AS SELECT * FROM t1 WHERE a=1 OR (b IN ());
+}
+
+do_execsql_test 3.1 {
+  ALTER TABLE t1 RENAME b TO bbb;
+}
+
+do_execsql_test 3.2 {
+  SELECT sql FROM sqlite_master WHERE name = 'v1'
+} {{CREATE VIEW v1 AS SELECT * FROM t1 WHERE a=1 OR (b IN ())}}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 4.0 {
+  CREATE TABLE t1(a, b);
+  CREATE TABLE t3(e, f);
+  CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN
+    INSERT INTO t2 VALUES(new.a, new.b);
+  END;
+}
+
+do_catchsql_test 4.1.2 {
+  BEGIN;
+    ALTER TABLE t3 RENAME TO t4;
+} {1 {error in trigger tr1: no such table: main.t2}}
+do_execsql_test 4.1.2 {
+  COMMIT;
+}
+do_execsql_test 4.1.3 {
+  SELECT type, name, tbl_name, sql 
+  FROM sqlite_master WHERE type='table' AND name!='t1';
+} {table t3 t3 {CREATE TABLE t3(e, f)}}
+
+
+do_catchsql_test 4.2.1 {
+  BEGIN;
+    ALTER TABLE t3 RENAME e TO eee;
+} {1 {error in trigger tr1: no such table: main.t2}}
+do_execsql_test 4.2.2 {
+  COMMIT;
+}
+do_execsql_test 4.2.3 {
+  SELECT type, name, tbl_name, sql 
+  FROM sqlite_master WHERE type='table' AND name!='t1';
+} {table t3 t3 {CREATE TABLE t3(e, f)}}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 5.0 {
+  CREATE TABLE t1 (
+      c1 integer, c2, PRIMARY KEY(c1 collate rtrim),
+      UNIQUE(c2)
+  )
+}
+do_execsql_test 5.1 {
+  ALTER TABLE t1 RENAME c1 TO c3;
+}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 6.0 {
+  CREATE TEMPORARY TABLE Table0 (
+    Col0 INTEGER, 
+    PRIMARY KEY(Col0 COLLATE RTRIM), 
+    FOREIGN KEY (Col0) REFERENCES Table0
+  );
+}
+
+do_execsql_test 6.1 {
+  ALTER TABLE Table0 RENAME Col0 TO Col0;
+}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 7.1.0 {
+  CREATE TABLE t1(a,b,c);
+  CREATE TRIGGER AFTER INSERT ON t1 BEGIN
+    SELECT a, rank() OVER w1 FROM t1
+    WINDOW w1 AS (PARTITION BY b, percent_rank() OVER w1);
+  END;
+}
+
+do_execsql_test 7.1.2 {
+  ALTER TABLE t1 RENAME TO t1x;
+  SELECT sql FROM sqlite_master;
+} {
+  {CREATE TABLE "t1x"(a,b,c)}
+  {CREATE TRIGGER AFTER INSERT ON "t1x" BEGIN
+    SELECT a, rank() OVER w1 FROM "t1x"
+    WINDOW w1 AS (PARTITION BY b, percent_rank() OVER w1);
+  END}
+}
+
+do_execsql_test 7.2.1 {
+  DROP TRIGGER after;
+  CREATE TRIGGER AFTER INSERT ON t1x BEGIN
+    SELECT a, rank() OVER w1 FROM t1x
+    WINDOW w1 AS (PARTITION BY b, percent_rank() OVER w1 ORDER BY d);
+  END;
+}
+
+do_catchsql_test 7.2.2 {
+  ALTER TABLE t1x RENAME TO t1;
+} {1 {error in trigger AFTER: no such column: d}}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 8.0 {
+  CREATE TABLE t0(c0);
+  CREATE INDEX i0 ON t0('1' IN ());
+}
+do_execsql_test 8.1 {
+  ALTER TABLE t0 RENAME TO t1;
+  SELECT sql FROM sqlite_master;
+} {
+  {CREATE TABLE "t1"(c0)}
+  {CREATE INDEX i0 ON "t1"('1' IN ())}
+}
+do_execsql_test 8.2.1 {
+  CREATE TABLE t2 (c0);
+  CREATE INDEX i2 ON t2((LIKELIHOOD(c0, 100) IN ()));
+  ALTER TABLE t2 RENAME COLUMN c0 TO c1;
+}
+do_execsql_test 8.2.2 {
+  SELECT sql FROM sqlite_master WHERE tbl_name = 't2';
+} {
+  {CREATE TABLE t2 (c1)} 
+  {CREATE INDEX i2 ON t2((LIKELIHOOD(c0, 100) IN ()))}
+}
+do_test 8.2.3 {
+  sqlite3 db2 test.db
+  db2 eval { INSERT INTO t2 VALUES (1), (2), (3) }
+  db close
+} {}
+db2 close
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 9.1 {
+  CREATE TABLE t1(a,b,c);
+  CREATE TRIGGER AFTER INSERT ON t1 WHEN new.a NOT NULL BEGIN
+    SELECT true WHERE (SELECT a, b FROM (t1)) IN ();
+  END;
+}
+do_execsql_test 9.2 {
+  ALTER TABLE t1 RENAME TO t1x;
+}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 10.1 {
+  CREATE TABLE t1(a, b, c);
+  CREATE TABLE t2(a, b, c);
+  CREATE VIEW v1 AS SELECT * FROM t1 WHERE (
+    SELECT t1.a FROM t1, t2
+  ) IN () OR t1.a=5;
+}
+
+do_execsql_test 10.2 {
+  ALTER TABLE t2 RENAME TO t3;
+  SELECT sql FROM sqlite_master WHERE name='v1';
+} {
+  {CREATE VIEW v1 AS SELECT * FROM t1 WHERE (
+    SELECT t1.a FROM t1, t2
+  ) IN () OR t1.a=5}
+}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 11.1 {
+  CREATE TABLE t1(
+      a,b,c,d,e,f,g,h,j,jj,jjb,k,aa,bb,cc,dd,ee DEFAULT 3.14,
+      ff DEFAULT('hiccup'),Wg NOD NULL DEFAULT(false)
+  );
+
+  CREATE TRIGGER b AFTER INSERT ON t1 WHEN new.a BEGIN
+    SELECT a, sum() w3 FROM t1 
+    WINDOW b AS (ORDER BY NOT EXISTS(SELECT 1 FROM abc));
+  END;
+}
+
+do_catchsql_test 11.2 {
+  ALTER TABLE t1 RENAME TO t1x;
+} {1 {error in trigger b: no such table: main.abc}}
+
+do_execsql_test 11.3 {
+  DROP TRIGGER b;
+  CREATE TRIGGER b AFTER INSERT ON t1 WHEN new.a BEGIN
+    SELECT a, sum() w3 FROM t1 
+    WINDOW b AS (ORDER BY NOT EXISTS(SELECT 1 FROM t1));
+  END;
+} {}
+
+do_execsql_test 11.4 {
+  ALTER TABLE t1 RENAME TO t1x;
+  SELECT sql FROM sqlite_master WHERE name = 'b';
+} {
+{CREATE TRIGGER b AFTER INSERT ON "t1x" WHEN new.a BEGIN
+    SELECT a, sum() w3 FROM "t1x" 
+    WINDOW b AS (ORDER BY NOT EXISTS(SELECT 1 FROM "t1x"));
+  END}
+}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 12.1 {
+CREATE TABLE t1(a,b,c,d,e,f,g,h,j,jj,Zjj,k,aQ,bb,cc,dd,ee DEFAULT 3.14,
+ff DEFAULT('hiccup'),gg NOD NULL DEFAULT(false));
+CREATE TRIGGER AFTER INSERT ON t1 WHEN new.a NOT NULL BEGIN
+
+SELECT b () OVER , dense_rank() OVER d, d () OVER w1
+FROM t1
+WINDOW
+w1 AS
+( w1 ORDER BY d
+ROWS BETWEEN 2 NOT IN(SELECT a, sum(d) w2,max(d)OVER FROM t1
+WINDOW
+w1 AS
+(PARTITION BY d
+ROWS BETWEEN '' PRECEDING AND false FOLLOWING),
+d AS
+(PARTITION BY b ORDER BY d
+ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
+) PRECEDING AND 1 FOLLOWING),
+w2 AS
+(PARTITION BY b ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW),
+w3 AS
+(PARTITION BY b ORDER BY d
+ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING)
+;
+SELECT a, sum(d) w2,max(d)OVER FROM t1
+WINDOW
+w1 AS
+(PARTITION BY d
+ROWS BETWEEN '' PRECEDING AND false FOLLOWING),
+d AS
+(PARTITION BY b ORDER BY d
+ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
+;
+
+END;
+}
+
+do_execsql_test 12.2 {
+  ALTER TABLE t1 RENAME TO t1x;
+}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 13.1 {
+  CREATE TABLE t1(a);
+  CREATE TRIGGER r1 INSERT ON t1 BEGIN
+    SELECT a(*) OVER (ORDER BY (SELECT 1)) FROM t1;
+  END;
+}
+
+do_execsql_test 13.2 {
+  ALTER TABLE t1 RENAME TO t1x;
+}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 14.1 {
+  CREATE TABLE t1(a);
+  CREATE TABLE t2(b);
+  CREATE TRIGGER AFTER INSERT ON t1 BEGIN
+    SELECT sum() FILTER (WHERE (SELECT sum() FILTER (WHERE 0)) AND a);
+  END;
+}
+
+do_catchsql_test 14.2 {
+  ALTER TABLE t1 RENAME TO t1x;
+} {1 {error in trigger AFTER: no such column: a}}
+
+#-------------------------------------------------------------------------
+reset_db
+
+do_execsql_test 16.1 {
+  CREATE TABLE t1(x);
+  CREATE TRIGGER AFTER INSERT ON t1 BEGIN
+    SELECT (WITH t2 AS (WITH t3 AS (SELECT true)
+          SELECT * FROM t3 ORDER BY true COLLATE nocase)
+        SELECT 11);
+
+    WITH t4 AS (SELECT * FROM t1) SELECT 33;
+  END;
+}
+do_execsql_test 16.2 {
+  ALTER TABLE t1 RENAME TO t1x;
+}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 17.1 {
+  CREATE TABLE t1(a,b,c);
+  CREATE TRIGGER AFTER INSERT ON t1 WHEN new.a NOT NULL BEGIN
+    SELECT a () FILTER (WHERE a>0) FROM t1;
+  END;
+}
+
+do_execsql_test 17.2 {
+  ALTER TABLE t1 RENAME TO t1x;
+  ALTER TABLE t1x RENAME a TO aaa;
+  SELECT sql FROM sqlite_master WHERE type='trigger';
+} {
+{CREATE TRIGGER AFTER INSERT ON "t1x" WHEN new.aaa NOT NULL BEGIN
+    SELECT a () FILTER (WHERE aaa>0) FROM "t1x";
+  END}
+}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 18.1 {
+  CREATE TABLE t1(a,b);
+  CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN
+    SELECT a, b FROM t1
+    INTERSECT SELECT b,a FROM t1
+    ORDER BY b IN (
+        SELECT a UNION SELECT b
+        FROM t1
+        ORDER BY b COLLATE nocase
+        )
+    ;
+  END;
+}
+
+do_catchsql_test 18.2 {
+    SELECT a, b FROM t1
+    INTERSECT 
+    SELECT b,a FROM t1
+    ORDER BY b IN (
+        SELECT a UNION SELECT b
+        FROM t1
+        ORDER BY b COLLATE nocase
+        );
+} {1 {1st ORDER BY term does not match any column in the result set}}
+
+do_catchsql_test 18.3 {
+  ALTER TABLE t1 RENAME TO t1x;
+} {1 {error in trigger r1: 1st ORDER BY term does not match any column in the result set}}
+
+#-------------------------------------------------------------------------
+reset_db 
+do_execsql_test 19.0 {
+  CREATE TABLE a(a,h CONSTRAINT a UNIQUE ON CONFLICT FAIL,CONSTRAINT a);
+}
+
+foreach {tn v res} {
+  1 {
+    CREATE VIEW q AS SELECT 123
+    
+      WINDOW x AS (
+        RANGE BETWEEN UNBOUNDED PRECEDING AND INDEXED() OVER(
+          PARTITION BY ( WITH x AS(VALUES(col1)) VALUES(453) )
+        )
+      FOLLOWING
+    ) 
+  } {1 {error in view q: no such column: col1}}
+
+  2 {
+    CREATE VIEW q AS SELECT
+    CAST(CAST(CAST(CAST(CAST(CAST(CAST(CAST(CAST(CAST(CAST(RIGHT
+    AS)AS)AS)AS)AS)AS)AS)AS)AS)AS)AS)WINDOW x AS(RANGE BETWEEN UNBOUNDED
+    PRECEDING AND INDEXED(*)OVER(PARTITION BY
+    CROSS,CROSS,NATURAL,sqlite_master(*)OVER a,(WITH a AS(VALUES(LEFT)UNION
+    VALUES(LEFT)UNION VALUES(LEFT)UNION VALUES(LEFT)UNION VALUES(LEFT)UNION
+    VALUES(LEFT)UNION VALUES(LEFT))VALUES(LEFT))IN
+    STORED,LEFT,LEFT,LEFT,LEFT,LEFT,LEFT)*LEFT FOLLOWING)ORDER BY
+    LEFT,LEFT,LEFT,LEFT,LEFT,LEFT,LEFT,LEFT,LEFT,LEFT,LEFT LIMIT
+    LEFT,INDEXED(*)OVER(PARTITION BY
+    CROSS,CROSS,CROSS,LEFT,INDEXED(*)OVER(PARTITION BY
+    CROSS,CROSS,CROSS),INDEXED(*)OVER(PARTITION BY
+    LEFT,LEFT,LEFT,LEFT,LEFT,LEFT,LEFT,LEFT,LEFT,LEFT,LEFT),
+    LEFT,LEFT,INNER,CROSS,CROSS,CROSS,INNER,NATURAL ORDER BY
+    OUTER,NATURAL,NATURAL,NATURAL,NATURAL,NATURAL,NATURAL,NATURAL,INNER,
+    INNER,INNER NULLS LAST GROUPS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED
+    FOLLOWING); 
+  } {1 {error in view q: no such column: LEFT}}
+
+  3 {
+    CREATE VIEW q AS SELECT 99 WINDOW x AS (RANGE BETWEEN UNBOUNDED PRECEDING
+    AND count(*)OVER(PARTITION BY (WITH a AS(VALUES(2),(x3))VALUES(0)))
+    FOLLOWING)ORDER BY x2,sum(1)OVER(PARTITION BY avg(5)OVER(PARTITION BY x1));
+  } {1 {error in view q: no such column: x3}}
+} {
+  do_execsql_test 19.$tn.1 "
+    DROP VIEW IF EXISTS q;
+    $v
+  " {}
+
+  do_catchsql_test 19.$tn.2 {
+    ALTER TABLE a RENAME TO g;
+  } $res
+}
+
+# Verify that the "if( pParse->nErr ) return WRC_Abort" at the top of the
+# renameUnmapSelectCb() routine in alter.c (2019-12-04) is really required.
+#
+sqlite3 db :memory:
+do_catchsql_test 20.10 {
+  CREATE TABLE s(a, b, c);
+  CREATE INDEX k ON s( (WITH s AS( SELECT * ) VALUES(2) ) IN () );
+  ALTER TABLE s RENAME a TO a2;
+} {1 {error in index k: no tables specified}}
+
+#------------------------------------------------------------------------
+#
+reset_db
+do_execsql_test 21.1 {
+  CREATE TABLE s(col);
+  CREATE VIEW v AS SELECT ( 
+    WITH x(a) AS(SELECT * FROM s) VALUES(RIGHT) 
+  ) IN() ; 
+  CREATE TABLE a(a);
+  ALTER TABLE a RENAME a TO b;
+}
+
+#------------------------------------------------------------------------
+#
+reset_db
+do_execsql_test 22.1 {
+  CREATE TABLE t1(a);
+  CREATE VIEW v2(b) AS SELECT * FROM v2;
+}
+
+do_catchsql_test 22.2 {
+  ALTER TABLE t1 RENAME TO t4;
+} {1 {error in view v2: view v2 is circularly defined}}
+
+do_execsql_test 22.3 {
+  DROP VIEW v2;
+  CREATE VIEW v2(b) AS WITH t3 AS (SELECT b FROM v2) SELECT * FROM t3;
+}
+
+do_catchsql_test 22.4 {
+  ALTER TABLE t1 RENAME TO t4;
+} {1 {error in view v2: view v2 is circularly defined}}
+
+do_execsql_test 22.5 {
+  DROP VIEW v2;
+  CREATE VIEW v2(b) AS WITH t3 AS (SELECT b FROM v2) VALUES(1);
+}
+
+do_catchsql_test 22.6 {
+  ALTER TABLE t1 RENAME TO t4;
+} {0 {}}
+
+#------------------------------------------------------------------------
+#
+reset_db
+do_execsql_test 23.1 {
+  CREATE TABLE t1(x);
+  CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN
+    UPDATE t1 SET (c,d)=((SELECT 1 FROM t1 JOIN t2 ON b=x),1);
+  END;
+}
+
+do_catchsql_test 23.2 {
+  ALTER TABLE t1 RENAME TO t1x;
+} {1 {error in trigger r1: no such table: main.t2}}
+
+#------------------------------------------------------------------------
+#
+reset_db
+do_execsql_test 23.1 {
+  CREATE TABLE v0 (a);
+  CREATE VIEW v2 (v3) AS 
+    WITH x1 AS (SELECT * FROM v2) 
+    SELECT v3 AS x, v3 AS y FROM v2; 
+}
+
+do_catchsql_test 23.2 {
+  SELECT * FROM v2
+} {1 {view v2 is circularly defined}}
+
+db close
+sqlite3 db test.db
+
+do_catchsql_test 23.3 {
+  ALTER TABLE v0 RENAME TO t3 ;
+} {1 {error in view v2: view v2 is circularly defined}}
+
+#------------------------------------------------------------------------
+#
+reset_db
+do_execsql_test 24.1 {
+  CREATE TABLE v0 (v1); 
+  CREATE TABLE v2 (v3 INTEGER UNIQUE ON CONFLICT ABORT); 
+  CREATE TRIGGER x AFTER INSERT ON v2 WHEN ( 
+      ( SELECT v1 AS PROMO_REVENUE FROM v2 JOIN v0 USING ( VALUE ) ) AND 0 ) 
+  BEGIN 
+    DELETE FROM v2; 
+  END; 
+}
+do_catchsql_test 24.2 {
+  ALTER TABLE v0 RENAME TO x ;
+} {1 {error in trigger x: cannot join using column VALUE - column not present in both tables}}
+
+do_execsql_test 24.3 {
+  DROP TRIGGER x;
+  CREATE TRIGGER x AFTER INSERT ON v2 WHEN (
+    0 AND (SELECT rowid FROM v0)
+  ) BEGIN
+    DELETE FROM v2;
+  END;
+}
+
+do_execsql_test 24.4 {
+  ALTER TABLE v0 RENAME TO xyz;
+  SELECT sql FROM sqlite_master WHERE type='trigger'
+} {{CREATE TRIGGER x AFTER INSERT ON v2 WHEN (
+    0 AND (SELECT rowid FROM "xyz")
+  ) BEGIN
+    DELETE FROM v2;
+  END}}
+
+#------------------------------------------------------------------------
+#
+reset_db
+do_execsql_test 25.1 {
+  CREATE TABLE t1(a, b, c);
+  CREATE TABLE t2(a, b, c);
+  CREATE TRIGGER ttt AFTER INSERT ON t1 BEGIN
+    UPDATE t1 SET a=t2.a FROM t2 WHERE t1.a=t2.a; 
+  END;
+}
+#do_execsql_test 25.2 {
+#  ALTER TABLE t2 RENAME COLUMN a TO aaa;
+#}
+
+#------------------------------------------------------------------------
+#
+reset_db
+do_execsql_test 26.1 {
+  CREATE TABLE t1(x);
+
+  CREATE TABLE t3(y);
+  CREATE TABLE t4(z);
+
+  CREATE TRIGGER tr1 INSERT ON t3 BEGIN
+    UPDATE t3 SET y=z FROM (SELECT z FROM t4);
+  END;
+
+  CREATE TRIGGER tr2 INSERT ON t3 BEGIN
+    UPDATE t3 SET y=abc FROM (SELECT x AS abc FROM t1);
+  END;
+}
+
+do_execsql_test 26.2 {
+  ALTER TABLE t1 RENAME TO t2;
+}
+
+do_execsql_test 26.3 {
+  ALTER TABLE t2 RENAME x TO xx;
+}
+
+do_execsql_test 26.4 {
+  SELECT sql FROM sqlite_schema WHERE name='tr2'
+} {
+{CREATE TRIGGER tr2 INSERT ON t3 BEGIN
+    UPDATE t3 SET y=abc FROM (SELECT xx AS abc FROM "t2");
+  END}
+}
+
+# 2020-11-02 OSSFuzz 
+#
+reset_db
+do_execsql_test 26.5 {
+  CREATE TABLE t1(xx);
+  CREATE TRIGGER xx INSERT ON t1 BEGIN
+     UPDATE t1 SET xx=xx FROM(SELECT xx);
+  END;
+} {}
+do_catchsql_test 26.6 {
+  ALTER TABLE t1 RENAME TO t2;
+} {1 {error in trigger xx: no such column: xx}}
+
+
+#-------------------------------------------------------------------------
+reset_db
+
+do_execsql_test 27.1 {
+  CREATE TABLE t1(a, b AS ((WITH w1 (xyz) AS  ( SELECT t1.b FROM t1 )  SELECT 123) IN ()), c);
+}
+
+do_execsql_test 27.2 {
+  ALTER TABLE t1 DROP COLUMN c;
+  SELECT sql FROM sqlite_schema WHERE name = 't1';
+} {
+  {CREATE TABLE t1(a, b AS ((WITH w1 (xyz) AS  ( SELECT t1.b FROM t1 )  SELECT 123) IN ()))}
+}
+
+do_execsql_test 27.3 {
+  CREATE TABLE t0(c0 , c1 AS (CASE TRUE   NOT IN () WHEN NULL   THEN CASE + 0xa     ISNULL  WHEN NOT + 0x9     THEN t0.c1  ELSE CURRENT_TIME   LIKE CAST (t0.c1 REGEXP '-([1-9]\d*.\d*|0\.\d*[1-9]\d*)'ESCAPE (c1) COLLATE BINARY  BETWEEN c1  AND c1   NOT IN (WITH t4 (c0) AS  (WITH t3 (c0) AS NOT MATERIALIZED  (WITH RECURSIVE t2 (c0) AS  (WITH RECURSIVE t1 AS  (VALUES (x'717171ff71717171' )  )  SELECT DISTINCT t0.c0  FROM t0 NOT INDEXED  WHERE t0.c0 =t0.c0 GROUP BY 0x9      )  SELECT DISTINCT t0.c0  FROM t0 NOT INDEXED  WHERE t0.c0 =t0.c1   )  SELECT DISTINCT t0.c0  FROM t0 NOT INDEXED  WHERE t0.c0 =t0.c0 GROUP BY typeof(0x9   )    )  SELECT DISTINCT t0.c0  FROM t0 NOT INDEXED  WHERE t0.c0 =t0.c0 GROUP BY typeof(typeof(0x9    )  )    ) IN t0   BETWEEN typeof(typeof(typeof(hex(*) FILTER (WHERE + x'5ccd1e68'   )  )  )  )  AND 1   >0xa      AS BLOB (+4.4E4 , -0xe  ) )  END  <> c1  IN ()  END  ) VIRTUAL   , c35 PRIMARY KEY   ,  c60 , c64 NUMERIC (-6.8 , -0xE  )  ) WITHOUT ROWID ;
+} {}
+
+do_execsql_test 27.4 {
+  ALTER TABLE t0 DROP COLUMN c60;
+} {}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 28.1 {
+  CREATE TABLE t1(a,b,c,d);
+  CREATE TRIGGER AFTER INSERT ON t1 BEGIN
+    UPDATE t1 SET (c,d)=(a,b);
+  END;
+  ALTER TABLE t1 RENAME TO t2;
+}
+
+do_execsql_test 28.2 {
+  SELECT sql FROM sqlite_schema WHERE type='trigger'
+} {{CREATE TRIGGER AFTER INSERT ON "t2" BEGIN
+    UPDATE "t2" SET (c,d)=(a,b);
+  END}}
+
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 29.1 {
+  CREATE TABLE t1(x, y);
+  CREATE TRIGGER Trigger1 DELETE ON t1 
+  BEGIN 
+    SELECT t1.*, t1.x FROM t1 ORDER BY t1.x;
+  END;
+}
+
+
+do_execsql_test 29.2 {
+  ALTER TABLE t1 RENAME x TO z;
+}
+
+do_execsql_test 29.3 {
+  ALTER TABLE t1 RENAME TO t2;
+}
+
+do_execsql_test 29.4 {
+  CREATE TRIGGER tr2 AFTER DELETE ON t2 BEGIN
+    SELECT z, y FROM (
+      SELECT t2.* FROM t2
+    );
+  END;
+}
+
+do_execsql_test 29.5 {
+  DELETE FROM t2
+}
+
+do_execsql_test 29.6 {
+  ALTER TABLE t2 RENAME TO t3;
+}
+
+do_execsql_test 29.7 {
+  SELECT sql FROM sqlite_schema WHERE type='trigger'
+} {
+  {CREATE TRIGGER Trigger1 DELETE ON "t3" 
+  BEGIN 
+    SELECT "t3".*, "t3".z FROM "t3" ORDER BY "t3".z;
+  END}
+  {CREATE TRIGGER tr2 AFTER DELETE ON "t3" BEGIN
+    SELECT z, y FROM (
+      SELECT "t3".* FROM "t3"
+    );
+  END}
+}
+
+finish_test