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Extending getCheckConstraintsFromDB() to support a new parameter

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used to filter what field in the table we want to know
its check constraints
This commit is contained in:
stronk7
2007-09-09 16:28:16 +00:00
parent 4cc68ea184
commit 4215e41ecb
5 changed files with 34 additions and 8 deletions
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15
lib/xmldb/classes/generators/postgres7/postgres7.class.php
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@ -305,6 +305,15 @@ class XMLDBpostgres7 extends XMLDBgenerator {
$notnullchanged = false;
}
/// TODO: Some combinations like
/// TODO: integer->integer
/// TODO: integer->text
/// TODO: number->text
/// TODO: text->text
/// TODO: do not require the use of temp columns, because PG 8.0 supports them automatically
/// TODO: with a simple "alter table zzz alter column yyy type new specs"
/// TODO: Must be implemented that way. Eloy 09/2007
/// If the type or the precision or the decimals have changed, then we need to:
/// - create one temp column with the new specs
/// - fill the new column with the values from the old one (casting if needed)
@ -422,12 +431,14 @@ class XMLDBpostgres7 extends XMLDBgenerator {
}
/**
* Given one XMLDBTable returns one array with all the check constrainsts
* Given one XMLDBTable returns one array with all the check constrainsts
* in the table (fetched from DB)
* Optionally the function allows one xmldb_field to be specified in
* order to return only the check constraints belonging to one field.
* Each element contains the name of the constraint and its description
* If no check constraints are found, returns an empty array
*/
function getCheckConstraintsFromDB($xmldb_table) {
function getCheckConstraintsFromDB($xmldb_table, $xmldb_field = null) {
$results = array();