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Update foreign key driver methods to return the same kind of information

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This commit is contained in:
Timothy Warren 2014-04-15 16:15:08 -04:00
parent 64a6878a47
commit 80595dfbbe
11 changed files with 123 additions and 26 deletions
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2
core/interfaces/sql_interface.php
View File

@ -126,7 +126,7 @@ interface SQL_Interface {
* Get the list of foreign keys for the current
* table
*
* @parma string $table
* @param string $table
* @return array
*/
public function fk_list($table);

12
drivers/firebird/firebird_sql.php
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@ -276,20 +276,16 @@ SQL;
* Get the list of foreign keys for the current
* table
*
* @parma string $table
* @param string $table
* @return string
*/
public function fk_list($table)
{
return <<<SQL
SELECT DISTINCT
rc.RDB\$CONSTRAINT_NAME AS "constraint_name",
rc.RDB\$RELATION_NAME AS "on table",
d1.RDB\$FIELD_NAME AS "on field",
d2.RDB\$DEPENDED_ON_NAME AS "references table",
d2.RDB\$FIELD_NAME AS "references field",
refc.RDB\$UPDATE_RULE AS "on update",
refc.RDB\$DELETE_RULE AS "on delete"
TRIM(d1.RDB\$FIELD_NAME) AS "child_column",
TRIM(d2.RDB\$DEPENDED_ON_NAME) AS "parent_table",
TRIM(d2.RDB\$FIELD_NAME) AS "parent_column"
FROM RDB\$RELATION_CONSTRAINTS AS rc
LEFT JOIN RDB\$REF_CONSTRAINTS refc ON rc.RDB\$CONSTRAINT_NAME = refc.RDB\$CONSTRAINT_NAME
LEFT JOIN RDB\$DEPENDENCIES d1 ON d1.RDB\$DEPENDED_ON_NAME = rc.RDB\$RELATION_NAME

16
drivers/mysql/mysql_sql.php
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@ -197,16 +197,22 @@ class MySQL_SQL extends Abstract_SQL {
* Get the list of foreign keys for the current
* table
*
* @parma string $table
* @param string $table
* @return string
*/
public function fk_list($table)
{
return <<<SQL
SELECT `TABLE_NAME`,`COLUMN_NAME`,`CONSTRAINT_NAME`,
`REFERENCED_TABLE_NAME`,`REFERENCED_COLUMN_NAME`
FROM `INFORMATION_SCHEMA`.`KEY_COLUMN_USAGE`
WHERE `REFERENCED_TABLE_NAME` = '{$table}';
SELECT DISTINCT `kcu`.`COLUMN_NAME` as `child_column`,
`kcu`.`REFERENCED_TABLE_NAME` as `parent_table`,
`kcu`.`REFERENCED_COLUMN_NAME` as `parent_column`
FROM `INFORMATION_SCHEMA`.`TABLE_CONSTRAINTS` `tc`
INNER JOIN `INFORMATION_SCHEMA`.`KEY_COLUMN_USAGE` `kcu`
ON `kcu`.`CONSTRAINT_NAME`=`tc`.`CONSTRAINT_NAME`
WHERE `tc`.`CONSTRAINT_TYPE`='FOREIGN KEY'
AND `tc`.`TABLE_NAME`='{$table}'
-- AND `parent_table` IS NOT NULL
-- AND `parent_column` IS NOT NULL
SQL;
}

6
drivers/pgsql/pgsql_sql.php
View File

@ -226,7 +226,7 @@ SQL;
* Get the list of foreign keys for the current
* table
*
* @parma string $table
* @param string $table
* @return string
*/
public function fk_list($table)
@ -245,8 +245,8 @@ SQL;
FROM "pg_class" "cl"
JOIN "pg_namespace" "ns" ON "cl"."relnamespace" = "ns"."oid"
JOIN "pg_constraint" "con1" ON "con1"."conrelid" = "cl"."oid"
WHERE "cl"."relname" = 'child_table'
AND "ns"."nspname" = 'child_schema'
WHERE "cl"."relname" = '{$table}'
AND "ns"."nspname" = 'public'
AND "con1"."contype" = 'f'
)
"con"

25
drivers/sqlite/sqlite_driver.php
View File

@ -79,6 +79,31 @@ class SQLite extends Abstract_Driver {
// --------------------------------------------------------------------------
/**
* Retrieve foreign keys for the table
*
* @param string $table
* @return array
*/
public function get_fks($table)
{
$return_rows = array();
$rows = parent::get_fks($table);
foreach($rows as $row)
{
$return_rows[] = array(
'child_column' => $row['from'],
'parent_table' => $row['table'],
'parent_column' => $row['to']
);
}
return $return_rows;
}
// --------------------------------------------------------------------------
/**
* Create sql for batch insert
*

10
tests/core/db_test.php
View File

@ -74,8 +74,14 @@ abstract class DBTest extends Query_TestCase {
public function testGetFKs()
{
$keys = $this->db->get_fks('test');
$this->assertTrue(is_array($keys));
$expected = array(array(
'child_column' => 'ext_id',
'parent_table' => 'testconstraints',
'parent_column' => 'someid'
));
$keys = $this->db->get_fks('testconstraints2');
$this->assertEqual($expected, $keys);
}
// --------------------------------------------------------------------------

2
tests/databases/pgsql/PgSQLTest.php
View File

@ -229,7 +229,7 @@ SQL;
// --------------------------------------------------------------------------
public function testGetsProcedures()
public function testGetProcedures()
{
$this->assertTrue(is_array($this->db->get_procedures()));
}

19
tests/databases/sqlite/SqliteTest.php
View File

@ -116,6 +116,25 @@ CREATE VIEW "numbersview" AS
SELECT *
FROM NUMBERS
WHERE NUMBER > 100;
CREATE TABLE "testconstraints" (
someid integer NOT NULL,
somename TEXT NOT NULL,
CONSTRAINT testconstraints_id_pk PRIMARY KEY (someid)
);
CREATE TABLE "testconstraints2" (
ext_id integer NOT NULL,
modified text,
uniquefield text NOT NULL,
usraction integer NOT NULL,
CONSTRAINT testconstraints_id_fk FOREIGN KEY (ext_id)
REFERENCES testconstraints (someid)
ON UPDATE CASCADE
ON DELETE CASCADE,
CONSTRAINT unique_2_fields_idx UNIQUE (modified, usraction),
CONSTRAINT uniquefld_idx UNIQUE (uniquefield)
);
;
;
SQL;
$expected_array = explode("\n", $expected);

19
tests/db_files/firebird.sql
View File

@ -92,3 +92,22 @@ BEGIN
END ^
SET TERM ; ^
-- TABLEs for testing CONSTRAINTs
CREATE TABLE "testconstraints" (
"someid" integer NOT NULL,
"somename" char(10) NOT NULL,
CONSTRAINT "testconstraints_id_pk" PRIMARY KEY ("someid")
);
CREATE TABLE "testconstraints2" (
"ext_id" integer NOT NULL,
"modified" date,
"uniquefield" char(10) NOT NULL,
"usraction" integer NOT NULL,
CONSTRAINT "testconstraints_id_fk" FOREIGN KEY ("ext_id")
REFERENCES "testconstraints" ("someid")
ON UPDATE CASCADE
ON DELETE CASCADE,
CONSTRAINT "unique_2_fields_idx" UNIQUE ("modified", "usraction"),
CONSTRAINT "uniquefld_idx" UNIQUE ("uniquefield")
);

14
tests/db_files/mysql.sql
View File

@ -27,7 +27,8 @@ ALTER TABLE TEST2 ADD CONSTRAINT TEST2_FIELD4_IDX UNIQUE (FIELD4);
CREATE INDEX TEST2_FIELD5_IDX ON TEST2(FIELD5);
-- TABLE NUMBERS
CREATE TABLE IF NOT EXISTS NUMBERS (
DROP TABLE IF EXISTS NUMBERS;
CREATE TABLE NUMBERS (
NUMBER INTEGER DEFAULT '0' NOT NULL,
EN CHAR(100) NOT NULL,
FR CHAR(100) NOT NULL
@ -66,19 +67,22 @@ FROM NUMBERS
WHERE NUMBER > 100;
-- TABLEs for testing CONSTRAINTs
CREATE TABLE IF NOT EXISTS testconstraints (
DROP TABLE IF EXISTS testconstraints;
CREATE TABLE testconstraints (
someid integer NOT NULL,
somename varchar(10) NOT NULL,
CONSTRAINT testconstraints_id_pk PRIMARY KEY (someid)
);
CREATE TABLE IF NOT EXISTS testconstraints2 (
DROP TABLE IF EXISTS testconstraints2;
CREATE TABLE testconstraints2 (
ext_id integer NOT NULL,
modified date,
uniquefield varchar(10) NOT NULL,
usraction integer NOT NULL,
CONSTRAINT testconstraints_id_fk FOREIGN KEY (ext_id)
REFERENCES testconstraints (someid) MATCH SIMPLE
ON UPDATE CASCADE ON DELETE CASCADE,
REFERENCES testconstraints (someid)
ON UPDATE CASCADE
ON DELETE CASCADE,
CONSTRAINT unique_2_fields_idx UNIQUE (modified, usraction),
CONSTRAINT uniquefld_idx UNIQUE (uniquefield)
);

22
tests/db_files/sqlite.sql
View File

@ -58,3 +58,25 @@ CREATE VIEW "numbersview" AS
SELECT *
FROM NUMBERS
WHERE NUMBER > 100;
-- TABLEs for testing CONSTRAINTs
DROP TABLE IF EXISTS "testconstraints";
CREATE TABLE "testconstraints" (
someid integer NOT NULL,
somename TEXT NOT NULL,
CONSTRAINT testconstraints_id_pk PRIMARY KEY (someid)
);
DROP TABLE IF EXISTS "testconstraints2";
CREATE TABLE "testconstraints2" (
ext_id integer NOT NULL,
modified text,
uniquefield text NOT NULL,
usraction integer NOT NULL,
CONSTRAINT testconstraints_id_fk FOREIGN KEY (ext_id)
REFERENCES testconstraints (someid)
ON UPDATE CASCADE
ON DELETE CASCADE,
CONSTRAINT unique_2_fields_idx UNIQUE (modified, usraction),
CONSTRAINT uniquefld_idx UNIQUE (uniquefield)
);