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75 lines
4.1 KiB
Text
75 lines
4.1 KiB
Text
create table t1(f1 int primary key) engine=innodb;
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# Create statement with FK on base column of stored column
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create table t2(f1 int not null, f2 int as (f1) stored,
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foreign key(f1) references t1(f1) on update cascade)engine=innodb;
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ERROR HY000: Function or expression 'f1' cannot be used in the GENERATED ALWAYS AS clause of `f2`
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create table t2(f1 int not null, f2 int as (f1) virtual, f3 int as (f2) stored,
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foreign key(f1) references t1(f1) on update cascade)engine=innodb;
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ERROR HY000: Function or expression 'f2' cannot be used in the GENERATED ALWAYS AS clause of `f3`
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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: Function or expression 'f1' cannot be used in the GENERATED ALWAYS AS clause of `f3`
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show create table t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`f1` int(11) NOT NULL,
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`f2` int(11) GENERATED ALWAYS AS (`f1`) VIRTUAL,
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KEY `f1` (`f1`),
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CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`f1`) REFERENCES `t1` (`f1`) ON UPDATE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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drop table t2;
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# adding foreign key constraint for base columns during alter copy.
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create table t2(f1 int not null, f2 int as (f1) stored) engine=innodb;
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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: Function or expression 'f1' cannot be used in the GENERATED ALWAYS AS clause of `f2`
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show create table t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`f1` int(11) NOT NULL,
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`f2` int(11) GENERATED ALWAYS AS (`f1`) STORED
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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drop table t2;
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# adding foreign key constraint for base columns during online alter.
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create table t2(f1 int not null, f2 int as (f1) stored) engine=innodb;
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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: Function or expression 'f1' cannot be used in the GENERATED ALWAYS AS clause of `f2`
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drop table t2;
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# adding stored column via online alter.
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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 HY000: Function or expression 'f1' cannot be used in the GENERATED ALWAYS AS clause of `f2`
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drop table t2, t1;
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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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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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