| # 2021 February 16 |
| # |
| # 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 alterdropcol |
| |
| # If SQLITE_OMIT_ALTERTABLE is defined, omit this file. |
| ifcapable !altertable { |
| finish_test |
| return |
| } |
| |
| do_execsql_test 1.0 { |
| CREATE TABLE t1(a, b, c); |
| CREATE VIEW v1 AS SELECT * FROM t1; |
| |
| CREATE TABLE t2(x INTEGER PRIMARY KEY, y, z UNIQUE); |
| CREATE INDEX t2y ON t2(y); |
| |
| CREATE TABLE t3(q, r, s); |
| CREATE INDEX t3rs ON t3(r+s); |
| } |
| |
| do_catchsql_test 1.1 { |
| ALTER TABLE nosuch DROP COLUMN z; |
| } {1 {no such table: nosuch}} |
| |
| do_catchsql_test 1.2 { |
| ALTER TABLE v1 DROP COLUMN c; |
| } {1 {cannot drop column from view "v1"}} |
| |
| ifcapable fts5 { |
| do_execsql_test 1.3.1 { |
| CREATE VIRTUAL TABLE ft1 USING fts5(one, two); |
| } |
| do_catchsql_test 1.3.2 { |
| ALTER TABLE ft1 DROP COLUMN two; |
| } {1 {cannot drop column from virtual table "ft1"}} |
| } |
| |
| do_catchsql_test 1.4 { |
| ALTER TABLE sqlite_schema DROP COLUMN sql; |
| } {1 {table sqlite_master may not be altered}} |
| |
| do_catchsql_test 1.5 { |
| ALTER TABLE t1 DROP COLUMN d; |
| } {1 {no such column: "d"}} |
| |
| do_execsql_test 1.6.1 { |
| ALTER TABLE t1 DROP COLUMN b; |
| } |
| do_execsql_test 1.6.2 { |
| SELECT sql FROM sqlite_schema WHERE name = 't1' |
| } {{CREATE TABLE t1(a, c)}} |
| |
| do_execsql_test 1.7.1 { |
| ALTER TABLE t1 DROP COLUMN c; |
| } |
| do_execsql_test 1.7.2 { |
| SELECT sql FROM sqlite_schema WHERE name = 't1' |
| } {{CREATE TABLE t1(a)}} |
| |
| do_catchsql_test 1.7.3 { |
| ALTER TABLE t1 DROP COLUMN a; |
| } {1 {cannot drop column "a": no other columns exist}} |
| |
| |
| do_catchsql_test 1.8 { |
| ALTER TABLE t2 DROP COLUMN z |
| } {1 {cannot drop UNIQUE column: "z"}} |
| |
| do_catchsql_test 1.9 { |
| ALTER TABLE t2 DROP COLUMN x |
| } {1 {cannot drop PRIMARY KEY column: "x"}} |
| |
| do_catchsql_test 1.10 { |
| ALTER TABLE t2 DROP COLUMN y |
| } {1 {error in index t2y after drop column: no such column: y}} |
| |
| do_catchsql_test 1.11 { |
| ALTER TABLE t3 DROP COLUMN s |
| } {1 {error in index t3rs after drop column: no such column: s}} |
| |
| #------------------------------------------------------------------------- |
| |
| foreach {tn wo} { |
| 1 {} |
| 2 {WITHOUT ROWID} |
| } { eval [string map [list %TN% $tn %WO% $wo] { |
| |
| reset_db |
| do_execsql_test 2.%TN%.0 { |
| CREATE TABLE t1(x, y INTEGER PRIMARY KEY, z) %WO% ; |
| INSERT INTO t1 VALUES(1, 2, 3); |
| INSERT INTO t1 VALUES(4, 5, 6); |
| INSERT INTO t1 VALUES(7, 8, 9); |
| } |
| |
| do_execsql_test 2.%TN%.1 { |
| ALTER TABLE t1 DROP COLUMN x; |
| SELECT * FROM t1; |
| } { |
| 2 3 5 6 8 9 |
| } |
| do_execsql_test 2.%TN%.2 { |
| ALTER TABLE t1 DROP COLUMN z; |
| SELECT * FROM t1; |
| } { |
| 2 5 8 |
| } |
| }]} |
| |
| #------------------------------------------------------------------------- |
| reset_db |
| |
| do_execsql_test 3.0 { |
| CREATE TABLE t12(a, b, c, CHECK(c>10)); |
| CREATE TABLE t13(a, b, c CHECK(c>10)); |
| } |
| do_catchsql_test 3.1 { |
| ALTER TABLE t12 DROP COLUMN c; |
| } {1 {error in table t12 after drop column: no such column: c}} |
| |
| do_catchsql_test 3.2 { |
| ALTER TABLE t13 DROP COLUMN c; |
| } {0 {}} |
| |
| #------------------------------------------------------------------------- |
| # Test that generated columns can be dropped. And that other columns from |
| # tables that contain generated columns can be dropped. |
| # |
| foreach {tn wo vs} { |
| 1 "" "" |
| 2 "" VIRTUAL |
| 3 "" STORED |
| 4 "WITHOUT ROWID" STORED |
| 5 "WITHOUT ROWID" VIRTUAL |
| } { |
| reset_db |
| |
| do_execsql_test 4.$tn.0 " |
| CREATE TABLE 'my table'(a, b PRIMARY KEY, c AS (a+b) $vs, d) $wo |
| " |
| do_execsql_test 4.$tn.1 { |
| INSERT INTO "my table"(a, b, d) VALUES(1, 2, 'hello'); |
| INSERT INTO "my table"(a, b, d) VALUES(3, 4, 'world'); |
| |
| SELECT * FROM "my table" |
| } { |
| 1 2 3 hello |
| 3 4 7 world |
| } |
| |
| do_execsql_test 4.$tn.2 { |
| ALTER TABLE "my table" DROP COLUMN c; |
| } |
| do_execsql_test 4.$tn.3 { |
| SELECT * FROM "my table" |
| } { |
| 1 2 hello |
| 3 4 world |
| } |
| |
| do_execsql_test 4.$tn.4 " |
| CREATE TABLE x1(a, b, c PRIMARY KEY, d AS (b+c) $vs, e) $wo |
| " |
| do_execsql_test 4.$tn.5 { |
| INSERT INTO x1(a, b, c, e) VALUES(1, 2, 3, 4); |
| INSERT INTO x1(a, b, c, e) VALUES(5, 6, 7, 8); |
| INSERT INTO x1(a, b, c, e) VALUES(9, 10, 11, 12); |
| SELECT * FROM x1; |
| } { |
| 1 2 3 5 4 |
| 5 6 7 13 8 |
| 9 10 11 21 12 |
| } |
| |
| do_execsql_test 4.$tn.6 { |
| ALTER TABLE x1 DROP COLUMN a |
| } |
| do_execsql_test 4.$tn.7 { |
| SELECT * FROM x1 |
| } { |
| 2 3 5 4 |
| 6 7 13 8 |
| 10 11 21 12 |
| } |
| do_execsql_test 4.$tn.8 { |
| ALTER TABLE x1 DROP COLUMN e |
| } |
| do_execsql_test 4.$tn.9 { |
| SELECT * FROM x1 |
| } { |
| 2 3 5 |
| 6 7 13 |
| 10 11 21 |
| } |
| } |
| |
| #------------------------------------------------------------------------- |
| reset_db |
| do_execsql_test 5.0 { |
| CREATE TABLE p1(a PRIMARY KEY, b UNIQUE); |
| CREATE TABLE c1(x, y, z REFERENCES p1(c)); |
| CREATE TABLE c2(x, y, z, w REFERENCES p1(b)); |
| } |
| do_execsql_test 5.1 { |
| ALTER TABLE c1 DROP COLUMN z; |
| ALTER TABLE c2 DROP COLUMN z; |
| SELECT sql FROM sqlite_schema WHERE name IN ('c1', 'c2'); |
| } { |
| {CREATE TABLE c1(x, y)} |
| {CREATE TABLE c2(x, y, w REFERENCES p1(b))} |
| } |
| |
| do_execsql_test 5.2.1 { |
| CREATE VIEW v1 AS SELECT d, e FROM p1 |
| } |
| do_catchsql_test 5.2.2 { |
| ALTER TABLE c1 DROP COLUMN x |
| } {1 {error in view v1: no such column: d}} |
| do_execsql_test 5.3.1 { |
| DROP VIEW v1; |
| CREATE VIEW v1 AS SELECT x, y FROM c1; |
| } |
| do_catchsql_test 5.3.2 { |
| ALTER TABLE c1 DROP COLUMN x |
| } {1 {error in view v1 after drop column: no such column: x}} |
| |
| do_execsql_test 5.4.1 { |
| CREATE TRIGGER tr AFTER INSERT ON c1 BEGIN |
| INSERT INTO p1 VALUES(new.y, new.xyz); |
| END; |
| } |
| do_catchsql_test 5.4.2 { |
| ALTER TABLE c1 DROP COLUMN y |
| } {1 {error in trigger tr: no such column: new.xyz}} |
| do_execsql_test 5.5.1 { |
| DROP TRIGGER tr; |
| CREATE TRIGGER tr AFTER INSERT ON c1 BEGIN |
| INSERT INTO p1 VALUES(new.y, new.z); |
| END; |
| } |
| do_catchsql_test 5.5.2 { |
| ALTER TABLE c1 DROP COLUMN y |
| } {1 {error in trigger tr: no such column: new.z}} |
| |
| # 2021-03-06 dbsqlfuzz crash-419aa525df93db6e463772c686ac6da27b46da9e |
| reset_db |
| do_catchsql_test 6.0 { |
| CREATE TABLE t1(a,b,c); |
| CREATE TABLE t2(x,y,z); |
| PRAGMA writable_schema=ON; |
| UPDATE sqlite_schema SET sql='CREATE INDEX t1b ON t1(b)' WHERE name='t2'; |
| PRAGMA writable_schema=OFF; |
| ALTER TABLE t2 DROP COLUMN z; |
| } {1 {database disk image is malformed}} |
| reset_db |
| do_catchsql_test 6.1 { |
| CREATE TABLE t1(a,b,c); |
| CREATE TABLE t2(x,y,z); |
| PRAGMA writable_schema=ON; |
| UPDATE sqlite_schema SET sql='CREATE VIEW t2(x,y,z) AS SELECT b,a,c FROM t1' |
| WHERE name='t2'; |
| PRAGMA writable_schema=OFF; |
| ALTER TABLE t2 DROP COLUMN z; |
| } {1 {database disk image is malformed}} |
| |
| # 2021-04-06 dbsqlfuzz crash-331c5c29bb76257b198f1318eef3288f9624c8ce |
| reset_db |
| do_execsql_test 7.0 { |
| CREATE TABLE t1(a, b, c, PRIMARY KEY(a COLLATE nocase, a)) WITHOUT ROWID; |
| INSERT INTO t1 VALUES(1, 2, 3); |
| INSERT INTO t1 VALUES(4, 5, 6); |
| } |
| do_execsql_test 7.1 { |
| ALTER TABLE t1 DROP COLUMN c; |
| } |
| do_execsql_test 7.2 { |
| SELECT sql FROM sqlite_schema; |
| } {{CREATE TABLE t1(a, b, PRIMARY KEY(a COLLATE nocase, a)) WITHOUT ROWID}} |
| do_execsql_test 7.3 { |
| SELECT * FROM t1; |
| } {1 2 4 5} |
| |
| reset_db |
| do_execsql_test 8.0 { |
| CREATE TABLE t1(a INTEGER PRIMARY KEY, b); |
| PRAGMA writable_schema = 1; |
| UPDATE sqlite_schema |
| SET sql = 'CREATE TABLE t1(a INTEGER PRIMARY KEY AUTOINCREMENT, b)' |
| } |
| db close |
| sqlite3 db test.db |
| do_execsql_test 8.1 { |
| ALTER TABLE t1 DROP COLUMN b; |
| } |
| do_execsql_test 8.2 { |
| SELECT sql FROM sqlite_schema; |
| } {{CREATE TABLE t1(a INTEGER PRIMARY KEY AUTOINCREMENT)}} |
| |
| #------------------------------------------------------------------------- |
| |
| foreach {tn wo} { |
| 1 {} |
| 2 {WITHOUT ROWID} |
| } { |
| reset_db |
| do_execsql_test 9.$tn.0 " |
| CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c) $wo; |
| " |
| do_execsql_test 9.$tn.1 { |
| WITH s(i) AS ( |
| SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<50000 |
| ) |
| INSERT INTO t1(a, b, c) SELECT i, 123, 456 FROM s; |
| } |
| do_execsql_test 9.$tn.2 { |
| ALTER TABLE t1 DROP COLUMN b; |
| } |
| |
| do_execsql_test 9.$tn.3 { |
| SELECT count(*), c FROM t1 GROUP BY c; |
| } {50000 456} |
| } |
| |
| |
| |
| finish_test |