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Add getForeignKeyData to User Guide #2199

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Sep 9, 2019
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Add getForeignKeyData to User Guide #2199

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16 changes: 16 additions & 0 deletions user_guide_src/source/database/metadata.rst
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Expand Up @@ -150,3 +150,19 @@ Usage example::
The key types may be unique to the database you are using.
For instance, MySQL will return one of primary, fulltext, spatial, index or unique
for each key associated with a table.

**$db->getForeignKeyData()**

Returns an array of objects containing foreign key information.

Usage example::

$keys = $db->getForeignKeyData('table_name');

foreach ($keys as $key)
{
echo $key->constraint_name;
echo $key->table_name;
echo $key->foreign_table_name;
}