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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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
lib/xmldb/classes/generators/XMLDBGenerator.class.php
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@ -1193,6 +1193,15 @@ class XMLDBgenerator {
return array('Code to drop one default goes to getDropDefaultSQL()');
}
/**
* Given one XMLDBTable and one optional XMLDBField, return one array with all the check
* constrainst found for that table (or field). Must exist for each DB supported.
* (usually invoked from find_check_constraint_name)
*/
function getCheckConstraintsFromDB($xmldb_table, $xmldb_field=null) {
return array('Code to fetch check constraints goes to getCheckConstraintsFromDB()');
}
/**
* Given one XMLDBTable and one XMLDBField, return the SQL statements needded to add its default
* (usually invoked from getModifyDefaultSQL()

6
lib/xmldb/classes/generators/mssql/mssql.class.php
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@ -444,12 +444,14 @@ class XMLDBmssql 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();

6
lib/xmldb/classes/generators/mysql/mysql.class.php
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@ -247,14 +247,16 @@ class XMLDBmysql 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
* MySQL doesn't have check constraints in this implementation, but
* we return them based on the enum fields in the table
*/
function getCheckConstraintsFromDB($xmldb_table) {
function getCheckConstraintsFromDB($xmldb_table, $xmldb_field = null) {
global $db;

6
lib/xmldb/classes/generators/oci8po/oci8po.class.php
View File

@ -477,12 +477,14 @@ class XMLDBoci8po 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();

15
lib/xmldb/classes/generators/postgres7/postgres7.class.php
View File

@ -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();