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#11

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Re: How to get all tables+rows which have a foreignkey referenceto a row - 04-30-2008 , 02:50 AM

Thomas Guettler ha scritto:

Quote:

Hi,

MyTable has a primary key id, and this column is used in
many tables as foreign keys. How can you get all tables/rows
which point to a given id?

The result should be something like:

tablename | foreignkey column name | primary key value of referencing table

Unfortunately the third column is not always of the same type.

Any hints?

Thomas

look onto information_schema, there you have all the system tables you need.

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#12

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Re: How to get all tables+rows which have a foreignkey referenceto a row - 04-30-2008 , 02:50 AM

Thomas Guettler ha scritto:

Quote:

Hi,

MyTable has a primary key id, and this column is used in
many tables as foreign keys. How can you get all tables/rows
which point to a given id?

The result should be something like:

tablename | foreignkey column name | primary key value of referencing table

Unfortunately the third column is not always of the same type.

Any hints?

Thomas

look onto information_schema, there you have all the system tables you need.

Reply With Quote

#13

Old

Coniglio Sgabbiato

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Re: How to get all tables+rows which have a foreignkey referenceto a row - 04-30-2008 , 02:50 AM

Thomas Guettler ha scritto:

Quote:

Hi,

MyTable has a primary key id, and this column is used in
many tables as foreign keys. How can you get all tables/rows
which point to a given id?

The result should be something like:

tablename | foreignkey column name | primary key value of referencing table

Unfortunately the third column is not always of the same type.

Any hints?

Thomas

look onto information_schema, there you have all the system tables you need.

Reply With Quote

#14

Old

Coniglio Sgabbiato

Posts: n/a

Re: How to get all tables+rows which have a foreignkey referenceto a row - 04-30-2008 , 02:50 AM

Thomas Guettler ha scritto:

Quote:

Hi,

MyTable has a primary key id, and this column is used in
many tables as foreign keys. How can you get all tables/rows
which point to a given id?

The result should be something like:

tablename | foreignkey column name | primary key value of referencing table

Unfortunately the third column is not always of the same type.

Any hints?

Thomas

look onto information_schema, there you have all the system tables you need.

Reply With Quote

#15

Old

Coniglio Sgabbiato

Posts: n/a

Re: How to get all tables+rows which have a foreignkey referenceto a row - 04-30-2008 , 02:50 AM

Thomas Guettler ha scritto:

Quote:

Hi,

MyTable has a primary key id, and this column is used in
many tables as foreign keys. How can you get all tables/rows
which point to a given id?

The result should be something like:

tablename | foreignkey column name | primary key value of referencing table

Unfortunately the third column is not always of the same type.

Any hints?

Thomas

look onto information_schema, there you have all the system tables you need.

Reply With Quote

#16

Old

Coniglio Sgabbiato

Posts: n/a

Re: How to get all tables+rows which have a foreignkey referenceto a row - 04-30-2008 , 02:50 AM

Thomas Guettler ha scritto:

Quote:

Hi,

MyTable has a primary key id, and this column is used in
many tables as foreign keys. How can you get all tables/rows
which point to a given id?

The result should be something like:

tablename | foreignkey column name | primary key value of referencing table

Unfortunately the third column is not always of the same type.

Any hints?

Thomas

look onto information_schema, there you have all the system tables you need.

Reply With Quote

#17

Old

Coniglio Sgabbiato

Posts: n/a

Re: How to get all tables+rows which have a foreignkey referenceto a row - 04-30-2008 , 02:50 AM

Thomas Guettler ha scritto:

Quote:

Hi,

MyTable has a primary key id, and this column is used in
many tables as foreign keys. How can you get all tables/rows
which point to a given id?

The result should be something like:

tablename | foreignkey column name | primary key value of referencing table

Unfortunately the third column is not always of the same type.

Any hints?

Thomas

look onto information_schema, there you have all the system tables you need.

Reply With Quote

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