MDL-32003 fix phpdocs in DDL layer

This commit is contained in:
Petr Skoda
2012-06-17 22:56:28 +02:00
parent 00902cd974
commit 5a070f0477
8 changed files with 924 additions and 587 deletions
+91 -35
View File
@@ -1,5 +1,4 @@
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
@@ -15,12 +14,10 @@
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Experimental SQLite specific SQL code generator.
*
* @package core
* @subpackage ddl_generator
* @package core_ddl
* @copyright 2008 Andrei Bautu
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
@@ -37,31 +34,41 @@ class sqlite_sql_generator extends sql_generator {
/// Only set values that are different from the defaults present in XMLDBgenerator
public $drop_default_value_required = true; //To specify if the generator must use some DEFAULT clause to drop defaults
public $drop_default_value = NULL; //The DEFAULT clause required to drop defaults
/** @var bool To specify if the generator must use some DEFAULT clause to drop defaults.*/
public $drop_default_value_required = true;
public $drop_primary_key = 'ALTER TABLE TABLENAME DROP PRIMARY KEY'; // Template to drop PKs
// with automatic replace for TABLENAME and KEYNAME
/** @var string The DEFAULT clause required to drop defaults.*/
public $drop_default_value = NULL;
public $drop_unique_key = 'ALTER TABLE TABLENAME DROP KEY KEYNAME'; // Template to drop UKs
// with automatic replace for TABLENAME and KEYNAME
/** @var string Template to drop PKs. 'TABLENAME' and 'KEYNAME' will be replaced from this template.*/
public $drop_primary_key = 'ALTER TABLE TABLENAME DROP PRIMARY KEY';
public $drop_foreign_key = 'ALTER TABLE TABLENAME DROP FOREIGN KEY KEYNAME'; // Template to drop FKs
// with automatic replace for TABLENAME and KEYNAME
public $default_for_char = ''; // To define the default to set for NOT NULLs CHARs without default (null=do nothing)
/** @var string Template to drop UKs. 'TABLENAME' and 'KEYNAME' will be replaced from this template.*/
public $drop_unique_key = 'ALTER TABLE TABLENAME DROP KEY KEYNAME';
public $sequence_only = true; //To avoid to output the rest of the field specs, leaving only the name and the sequence_name publiciable
public $sequence_extra_code = false; //Does the generator need to add extra code to generate the sequence fields
public $sequence_name = 'INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL'; //Particular name for inline sequences in this generator
/** @var string Template to drop FKs. 'TABLENAME' and 'KEYNAME' will be replaced from this template.*/
public $drop_foreign_key = 'ALTER TABLE TABLENAME DROP FOREIGN KEY KEYNAME';
public $drop_index_sql = 'ALTER TABLE TABLENAME DROP INDEX INDEXNAME'; //SQL sentence to drop one index
//TABLENAME, INDEXNAME are dynamically replaced
/** @var string To define the default to set for NOT NULLs CHARs without default (null=do nothing).*/
public $default_for_char = '';
public $rename_index_sql = null; //SQL sentence to rename one index (MySQL doesn't support this!)
//TABLENAME, OLDINDEXNAME, NEWINDEXNAME are dynamically replaced
/** @var bool To avoid outputting the rest of the field specs, leaving only the name and the sequence_name returned.*/
public $sequence_only = true;
public $rename_key_sql = null; //SQL sentence to rename one key (MySQL doesn't support this!)
//TABLENAME, OLDKEYNAME, NEWKEYNAME are dynamically replaced
/** @var bool True if the generator needs to add extra code to generate the sequence fields.*/
public $sequence_extra_code = false;
/** @var string The particular name for inline sequences in this generator.*/
public $sequence_name = 'INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL';
/** @var string SQL sentence to drop one index where 'TABLENAME', 'INDEXNAME' keywords are dynamically replaced.*/
public $drop_index_sql = 'ALTER TABLE TABLENAME DROP INDEX INDEXNAME';
/** @var string SQL sentence to rename one index where 'TABLENAME', 'OLDINDEXNAME' and 'NEWINDEXNAME' are dynamically replaced.*/
public $rename_index_sql = null;
/** @var string SQL sentence to rename one key 'TABLENAME', 'OLDKEYNAME' and 'NEWKEYNAME' are dynamically replaced.*/
public $rename_key_sql = null;
/**
* Creates one new XMLDBmysql
@@ -72,8 +79,9 @@ class sqlite_sql_generator extends sql_generator {
/**
* Reset a sequence to the id field of a table.
* @param string $table name of table or xmldb_object
* @return bool success
*
* @param xmldb_table|string $table name of table or the table object.
* @return array of sql statements
*/
public function getResetSequenceSQL($table) {
@@ -125,7 +133,12 @@ class sqlite_sql_generator extends sql_generator {
}
/**
* Given one XMLDB Type, length and decimals, returns the DB proper SQL type
* Given one XMLDB Type, length and decimals, returns the DB proper SQL type.
*
* @param int $xmldb_type The xmldb_type defined constant. XMLDB_TYPE_INTEGER and other XMLDB_TYPE_* constants.
* @param int $xmldb_length The length of that data type.
* @param int $xmldb_decimals The decimal places of precision of the data type.
* @return string The DB defined data type.
*/
public function getTypeSQL($xmldb_type, $xmldb_length=null, $xmldb_decimals=null) {
@@ -263,7 +276,14 @@ class sqlite_sql_generator extends sql_generator {
}
/**
* Given one xmldb_table and one xmldb_field, return the SQL statements needed to alter the field in the table
* Given one xmldb_table and one xmldb_field, return the SQL statements needed to alter the field in the table.
*
* @param xmldb_table $xmldb_table The table related to $xmldb_field.
* @param xmldb_field $xmldb_field The instance of xmldb_field to create the SQL from.
* @param string $skip_type_clause The type clause on alter columns, NULL by default.
* @param string $skip_default_clause The default clause on alter columns, NULL by default.
* @param string $skip_notnull_clause The null/notnull clause on alter columns, NULL by default.
* @return string The field altering SQL statement.
*/
public function getAlterFieldSQL($xmldb_table, $xmldb_field, $skip_type_clause = NULL, $skip_default_clause = NULL, $skip_notnull_clause = NULL) {
return $this->getAlterTableSchema($xmldb_table, $xmldb_field, $xmldb_field);
@@ -279,8 +299,12 @@ class sqlite_sql_generator extends sql_generator {
}
/**
* Given one xmldb_table and one xmldb_field, return the SQL statements needed to create its default
* Given one xmldb_table and one xmldb_field, return the SQL statements needed to add its default
* (usually invoked from getModifyDefaultSQL()
*
* @param xmldb_table $xmldb_table The xmldb_table object instance.
* @param xmldb_field $xmldb_field The xmldb_field object instance.
* @return array Array of SQL statements to create a field's default.
*/
public function getCreateDefaultSQL($xmldb_table, $xmldb_field) {
return $this->getAlterTableSchema($xmldb_table, $xmldb_field, $xmldb_field);
@@ -288,8 +312,12 @@ class sqlite_sql_generator extends sql_generator {
/**
* Given one correct xmldb_field and the new name, returns the SQL statements
* to rename it (inside one array)
* SQLite is pretty different from the standard to justify this overloading
* to rename it (inside one array).
*
* @param xmldb_table $xmldb_table The table related to $xmldb_field.
* @param xmldb_field $xmldb_field The instance of xmldb_field to get the renamed field from.
* @param string $newname The new name to rename the field to.
* @return array The SQL statements for renaming the field.
*/
public function getRenameFieldSQL($xmldb_table, $xmldb_field, $newname) {
$oldfield = clone($xmldb_field);
@@ -321,7 +349,11 @@ class sqlite_sql_generator extends sql_generator {
}
/**
* Given one xmldb_table and one xmldb_field, return the SQL statements needed to drop the field from the table
* Given one xmldb_table and one xmldb_field, return the SQL statements needed to drop the field from the table.
*
* @param xmldb_table $xmldb_table The table related to $xmldb_field.
* @param xmldb_field $xmldb_field The instance of xmldb_field to create the SQL from.
* @return array The SQL statement for dropping a field from the table.
*/
public function getDropFieldSQL($xmldb_table, $xmldb_field) {
return $this->getAlterTableSchema($xmldb_table, NULL, $xmldb_field);
@@ -346,31 +378,50 @@ class sqlite_sql_generator extends sql_generator {
/**
* Given one xmldb_table and one xmldb_field, return the SQL statements needed to drop its default
* (usually invoked from getModifyDefaultSQL()
*
* Note that this method may be dropped in future.
*
* @param xmldb_table $xmldb_table The xmldb_table object instance.
* @param xmldb_field $xmldb_field The xmldb_field object instance.
* @return array Array of SQL statements to create a field's default.
*
* @todo MDL-31147 Moodle 2.1 - Drop getDropDefaultSQL()
*/
public function getDropDefaultSQL($xmldb_table, $xmldb_field) {
return $this->getAlterTableSchema($xmldb_table, $xmldb_field, $xmldb_field);
}
/**
* Returns the code (in array) needed to add one comment to the table
* Returns the code (array of statements) needed to add one comment to the table.
*
* @param xmldb_table $xmldb_table The xmldb_table object instance.
* @return array Array of SQL statements to add one comment to the table.
*/
function getCommentSQL ($xmldb_table) {
return array();
}
/**
* Given one object name and it's type (pk, uk, fk, ck, ix, uix, seq, trg)
* return if such name is currently in use (true) or no (false)
* (invoked from getNameForObject()
* Given one object name and it's type (pk, uk, fk, ck, ix, uix, seq, trg).
*
* (MySQL requires the whole xmldb_table object to be specified, so we add it always)
*
* This is invoked from getNameForObject().
* Only some DB have this implemented.
*
* @param string $object_name The object's name to check for.
* @param string $type The object's type (pk, uk, fk, ck, ix, uix, seq, trg).
* @param string $table_name The table's name to check in
* @return bool If such name is currently in use (true) or no (false)
*/
public function isNameInUse($object_name, $type, $table_name) {
// TODO: add introspection code
return false; //No name in use found
}
/**
* Returns an array of reserved words (lowercase) for this DB
* @return array An array of database specific reserved words
*/
public static function getReservedWords() {
/// From http://www.sqlite.org/lang_keywords.html
@@ -399,6 +450,11 @@ class sqlite_sql_generator extends sql_generator {
return $reserved_words;
}
/**
* Adds slashes to string.
* @param string $s
* @return string The escaped string.
*/
public function addslashes($s) {
// do not use php addslashes() because it depends on PHP quote settings!
$s = str_replace("'", "''", $s);