67 lines
3.4 KiB
Plaintext
67 lines
3.4 KiB
Plaintext
# Create statement with FK on base column of stored column
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create table t1(f1 int primary key);
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create table t2(f1 int, f2 int as(f1) stored,
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foreign key(f1) references t1(f1) on delete cascade)engine=innodb;
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ERROR HY000: Cannot add foreign key constraint
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# adding new stored column during alter table copy operation.
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create table t2(f1 int not null, f2 int as (f1) virtual,
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foreign key(f1) references t1(f1) on update cascade)engine=innodb;
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alter table t2 add column f3 int as (f1) stored, add column f4 int as (f1) virtual;
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ERROR HY000: Cannot add foreign key constraint
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drop table t2, t1;
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# adding foreign key constraint for base columns during alter copy.
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create table t1(f1 int primary key);
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create table t2(f1 int not null, f2 int as (f1) stored);
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alter table t2 add foreign key(f1) references t1(f1) on update cascade, algorithm=copy;
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ERROR HY000: Cannot add foreign key constraint
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drop table t2, t1;
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# adding foreign key constraint for base columns during online alter.
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create table t1(f1 int primary key);
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create table t2(f1 int not null, f2 int as (f1) stored);
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set foreign_key_checks = 0;
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alter table t2 add foreign key(f1) references t1(f1) on update cascade, algorithm=inplace;
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ERROR HY000: Cannot add foreign key on the base column of stored column.
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drop table t2, t1;
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# adding stored column via online alter.
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create table t1(f1 int primary key);
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create table t2(f1 int not null,
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foreign key(f1) references t1(f1) on update cascade)engine=innodb;
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alter table t2 add column f2 int as (f1) stored, algorithm=inplace;
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ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
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drop table t2, t1;
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set foreign_key_checks = 1;
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#
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# BUG#26731689 FK ON TABLE WITH GENERATED COLS: ASSERTION POS < N_DEF
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#
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SET @foreign_key_checks_saved = @@foreign_key_checks;
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SET foreign_key_checks=0;
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DROP TABLE IF EXISTS s,t;
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CREATE TABLE s (a INT, b INT GENERATED ALWAYS AS (0) STORED, c INT,
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d INT GENERATED ALWAYS AS (0) VIRTUAL, e INT) ENGINE=innodb;
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CREATE TABLE t (a INT) ENGINE=innodb;
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ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (e) REFERENCES t(a) ON UPDATE SET null;
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ERROR HY000: Failed to add the foreign key constraint. Missing index for constraint 'c' in the referenced table 't'
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ALTER TABLE t ADD PRIMARY KEY(a);
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ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (e) REFERENCES t(a) ON UPDATE SET null;
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DROP TABLE s,t;
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CREATE TABLE s (a INT GENERATED ALWAYS AS (0) VIRTUAL,
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b INT GENERATED ALWAYS AS (0) STORED, c INT) ENGINE=innodb;
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CREATE TABLE t (a INT) ENGINE=innodb;
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ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (c) REFERENCES t(a) ON UPDATE SET null;
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ERROR HY000: Failed to add the foreign key constraint. Missing index for constraint 'c' in the referenced table 't'
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ALTER TABLE t ADD PRIMARY KEY(a);
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ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (c) REFERENCES t(a) ON UPDATE SET null;
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DROP TABLE s,t;
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CREATE TABLE s (a INT, b INT GENERATED ALWAYS AS (0) STORED) ENGINE=innodb;
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CREATE TABLE t (a INT PRIMARY KEY) ENGINE=innodb;
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ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (a) REFERENCES t(a) ON UPDATE SET null;
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DROP TABLE s,t;
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CREATE TABLE s (a INT, b INT) ENGINE=innodb;
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CREATE TABLE t (a INT) ENGINE=innodb;
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ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (a) REFERENCES t(a) ON UPDATE SET null;
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ERROR HY000: Failed to add the foreign key constraint. Missing index for constraint 'c' in the referenced table 't'
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ALTER TABLE t ADD PRIMARY KEY(a);
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ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (a) REFERENCES t(a) ON UPDATE SET null;
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DROP TABLE s,t;
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SET @@foreign_key_checks = @foreign_key_checks_saved;
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