Don't allow dropping column if trigger referencing it

[Pavan-Nambi]

seed : 1155061234992720784

Use ".open FILENAME" to reopen on a persistent database
turso> CREATE TABLE t (
    n REAL
);

CREATE TABLE t1 (
    m TEXT,
    d REAL
);

CREATE TRIGGER trg
BEFORE DELETE ON t
BEGIN
    UPDATE t1
    SET m = 'x'
    WHERE m = 'y';
END;

ALTER TABLE t1 DROP COLUMN m;

sqlite:

sqlite> CREATE TABLE t (
    n REAL
);

CREATE TABLE t1 (
    m TEXT,
    d REAL
);

CREATE TRIGGER trg
BEFORE DELETE ON t
BEGIN
    UPDATE t1
    SET m = 'x'
    WHERE m = 'y';
END;

ALTER TABLE t1 DROP COLUMN m;
Runtime error: error in trigger trg after drop column: no such column: m
sqlite>