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authorrojaro <>2009-07-13 13:56:07 +0000
committerrojaro <>2009-07-13 13:56:07 +0000
commitb4b2c7e5e2eadd48b344538823dcf5645939ba44 (patch)
tree7e10a68d038fe37d71f7f7a8552136cecfb38183 /framework/Db/schema/oci/TOciSchema.php
parentd6ef8e39d858de50107950180ea111349e4b0d6f (diff)
- removed old schema directory
- some cleanups
Diffstat (limited to 'framework/Db/schema/oci/TOciSchema.php')
-rwxr-xr-xframework/Db/schema/oci/TOciSchema.php278
1 files changed, 0 insertions, 278 deletions
diff --git a/framework/Db/schema/oci/TOciSchema.php b/framework/Db/schema/oci/TOciSchema.php
deleted file mode 100755
index 5c4dd8e2..00000000
--- a/framework/Db/schema/oci/TOciSchema.php
+++ /dev/null
@@ -1,278 +0,0 @@
-<?php
-/**
- * TOciSchema class file.
- *
- * @author Ricardo Grana <rickgrana@yahoo.com.br>
- * @link http://www.yiiframework.com/
- * @copyright Copyright &copy; 2008-2009 Yii Software LLC
- * @license http://www.yiiframework.com/license/
- */
-
-prado::using('System.db.schema.TDbSchema');
-
-/**
- * TOciSchema is the class for retrieving metadata information from a PostgreSQL database.
- *
- * @author Ricardo Grana <qiang.xue@gmail.com>
- * @version $Id$
- * @package system.db.schema.oci
- * @since 1.0.5
- */
-class TOciSchema extends TDbSchema
-{
- private $_defaultSchema = '';
- private $_sequences=array();
-
- /**
- * Quotes a table name for use in a query.
- * @param string table name
- * @return string the properly quoted table name
- */
- public function quoteTableName($name)
- {
- return $name;
- }
-
- /**
- * Quotes a column name for use in a query.
- * @param string column name
- * @return string the properly quoted column name
- */
- public function quoteColumnName($name)
- {
- return $name;
- }
-
- /**
- * Creates a command builder for the database.
- * This method may be overridden by child classes to create a DBMS-specific command builder.
- * @return TDbCommandBuilder command builder instance
- */
- protected function createCommandBuilder()
- {
- return new TOciCommandBuilder($this);
- }
-
- /**
- * @param string default schema.
- */
- public function setDefaultSchema($schema)
- {
- $this->_defaultSchema=$schema;
- }
-
- /**
- * @return string default schema.
- */
- public function getDefaultSchema()
- {
- if (!strlen($this->_defaultSchema))
- {
- $this->setDefaultSchema(strtoupper($this->getDbConnection()->username));
- }
-
- return $this->_defaultSchema;
- }
-
- /**
- * @param string table name with optional schema name prefix, uses default schema name prefix is not provided.
- * @return array tuple as ($schemaName,$tableName)
- */
- protected function getSchemaTableName($table)
- {
- $table = strtoupper($table);
- if(count($parts= explode('.', str_replace('"','',$table))) > 1)
- return array($parts[0], $parts[1]);
- else
- return array($this->getDefaultSchema(),$parts[0]);
- }
-
- /**
- * Creates a table instance representing the metadata for the named table.
- * @return TDbTableSchema driver dependent table metadata.
- */
- protected function createTable($name)
- {
- $table=new TOciTableSchema;
- $this->resolveTableNames($table,$name);
-
- if(!$this->findColumns($table))
- return null;
- $this->findConstraints($table);
-
- return $table;
- }
-
- /**
- * Generates various kinds of table names.
- * @param TOciTableSchema the table instance
- * @param string the unquoted table name
- */
- protected function resolveTableNames($table,$name)
- {
- $parts=explode('.',str_replace('"','',$name));
- if(isset($parts[1]))
- {
- $schemaName=$parts[0];
- $tableName=$parts[1];
- }
- else
- {
- $schemaName=$this->getDefaultSchema();
- $tableName=$parts[0];
- }
-
- $table->name=$tableName;
- $table->schemaName=$schemaName;
- if($schemaName===$this->getDefaultSchema())
- $table->rawName=$this->quoteTableName($tableName);
- else
- $table->rawName=$this->quoteTableName($schemaName).'.'.$this->quoteTableName($tableName);
- }
-
- /**
- * Collects the table column metadata.
- * @param TOciTableSchema the table metadata
- * @return boolean whether the table exists in the database
- */
- protected function findColumns($table)
- {
- list($schemaName,$tableName) = $this->getSchemaTableName($table->name);
-
- $sql=<<<EOD
-SELECT a.column_name, a.data_type ||
- case
- when data_precision is not null
- then '(' || a.data_precision ||
- case when a.data_scale > 0 then ',' || a.data_scale else '' end
- || ')'
- when data_type = 'DATE' then ''
- else '(' || to_char(a.data_length) || ')'
- end as data_type,
- a.nullable, a.data_default,
- ( SELECT D.constraint_type
- FROM ALL_CONS_COLUMNS C
- inner join ALL_constraints D on D.OWNER = C.OWNER and D.constraint_name = C.constraint_name
- WHERE C.OWNER = B.OWNER
- and C.table_name = B.object_name
- and C.column_name = A.column_name
- and D.constraint_type = 'P') as Key
-FROM ALL_TAB_COLUMNS A
-inner join ALL_OBJECTS B ON b.owner = a.owner and ltrim(B.OBJECT_NAME) = ltrim(A.TABLE_NAME)
-WHERE
- a.owner = '{$schemaName}'
- and b.object_type = 'TABLE'
- and b.object_name = '{$tableName}'
-ORDER by a.column_id
-EOD;
-
- $command=$this->getDbConnection()->createCommand($sql);
-
- if(($columns=$command->queryAll())===array()){
- return false;
- }
-
- foreach($columns as $column)
- {
- $c=$this->createColumn($column);
-
- $table->columns[$c->name]=$c;
- if($c->isPrimaryKey)
- {
- if($table->primaryKey===null)
- $table->primaryKey=$c->name;
- else if(is_string($table->primaryKey))
- $table->primaryKey=array($table->primaryKey,$c->name);
- else
- $table->primaryKey[]=$c->name;
- }
- }
- return true;
- }
-
- /**
- * Creates a table column.
- * @param array column metadata
- * @return TDbColumnSchema normalized column metadata
- */
- protected function createColumn($column)
- {
- $c=new TOciColumnSchema;
- $c->name=$column['COLUMN_NAME'];
- $c->rawName=$this->quoteColumnName($c->name);
- $c->allowNull=$column['NULLABLE']==='Y';
- $c->isPrimaryKey=strpos($column['KEY'],'P')!==false;
- $c->isForeignKey=false;
- $c->init($column['DATA_TYPE'],$column['DATA_DEFAULT']);
-
- return $c;
- }
-
- /**
- * Collects the primary and foreign key column details for the given table.
- * @param TOciTableSchema the table metadata
- */
- protected function findConstraints($table)
- {
- $sql=<<<EOD
- SELECT D.constraint_type, C.COLUMN_NAME, C.position, D.r_constraint_name,
- E.table_name as table_ref, f.column_name as column_ref
- FROM ALL_CONS_COLUMNS C
- inner join ALL_constraints D on D.OWNER = C.OWNER and D.constraint_name = C.constraint_name
- left join ALL_constraints E on E.OWNER = D.r_OWNER and E.constraint_name = D.r_constraint_name
- left join ALL_cons_columns F on F.OWNER = E.OWNER and F.constraint_name = E.constraint_name and F.position = c.position
- WHERE C.OWNER = '{$table->schemaName}'
- and C.table_name = '{$table->name}'
- and D.constraint_type <> 'P'
- order by d.constraint_name, c.position
-EOD;
- $command=$this->getDbConnection()->createCommand($sql);
- foreach($command->queryAll() as $row)
- {
- if($row['constraint_type']==='R') // foreign key
- {
- $name = $row["COLUMN_NAME"];
- $table->foreignKeys[$name]=array($row["TABLE_REF"], array($row["COLUMN_REF"]));
- if(isset($table->columns[$name]))
- $table->columns[$name]->isForeignKey=true;
- }
-
- }
- }
-
-
- /**
- * Returns all table names in the database.
- * @return array all table names in the database.
- */
- protected function findTableNames($schema='')
- {
- if($schema==='')
- {
- $sql=<<<EOD
-SELECT table_name, '{$schema}' as table_schema FROM user_tables
-EOD;
- $command=$this->getDbConnection()->createCommand($sql);
- }
- else
- {
- $sql=<<<EOD
-SELECT object_name as table_name, owner as table_schema FROM all_objects
-WHERE object_type = 'TABLE' AND owner=:schema
-EOD;
- $command=$this->getDbConnection()->createCommand($sql);
- $command->bindParam(':schema',$schema);
- }
-
- $rows=$command->queryAll();
- $names=array();
- foreach($rows as $row)
- {
- if($schema===$this->getDefaultSchema())
- $names[]=$row['table_name'];
- else
- $names[]=$row['schema_name'].'.'.$row['table_name'];
- }
- return $names;
- }
-}