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PSDI Army
yii2
Commits
d30aa3ef
Commit
d30aa3ef
authored
Dec 09, 2013
by
p0larbeer
Browse files
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Coding style PSR-2
parent
9f0e97ff
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Side-by-side
Showing
3 changed files
with
421 additions
and
375 deletions
+421
-375
ColumnSchema.php
framework/yii/db/oci/ColumnSchema.php
+64
-60
QueryBuilder.php
framework/yii/db/oci/QueryBuilder.php
+60
-57
Schema.php
framework/yii/db/oci/Schema.php
+297
-258
No files found.
framework/yii/db/oci/ColumnSchema.php
View file @
d30aa3ef
<?php
namespace
yii\db\oci
;
class
ColumnSchema
extends
\yii\db\ColumnSchema
{
/**
* Initializes the column with its DB type and default value.
* This sets up the column's PHP type, size, precision, scale as well as default value.
* @param string $dbType the column's DB type
* @param mixed $defaultValue the default value
*
* @param string $dbType
* the column's DB type
* @param mixed $defaultValue
* the default value
*/
public
function
extract
(
$dbType
,
$defaultValue
)
{
$this
->
dbType
=
$dbType
;
$this
->
dbType
=
$dbType
;
$this
->
extractType
(
$dbType
);
$this
->
extractLimit
(
$dbType
);
if
(
$defaultValue
!==
null
)
if
(
$defaultValue
!==
null
)
$this
->
extractDefault
(
$defaultValue
);
}
/**
* Extracts the PHP type from DB type.
* @param string $dbType DB type
*
* @param string $dbType
* DB type
* @return string
*/
protected
function
extractOraType
(
$dbType
)
{
if
(
strpos
(
$dbType
,
'FLOAT'
)
!==
false
)
return
'double'
;
if
(
strpos
(
$dbType
,
'NUMBER'
)
!==
false
||
strpos
(
$dbType
,
'INTEGER'
)
!==
false
)
{
if
(
strpos
(
$dbType
,
'('
)
&&
preg_match
(
'/\((.*)\)/'
,
$dbType
,
$matches
))
{
$values
=
explode
(
','
,
$matches
[
1
]);
if
(
isset
(
$values
[
1
])
and
(((
int
)
$values
[
1
])
>
0
))
protected
function
extractOraType
(
$dbType
)
{
if
(
strpos
(
$dbType
,
'FLOAT'
)
!==
false
)
return
'double'
;
if
(
strpos
(
$dbType
,
'NUMBER'
)
!==
false
||
strpos
(
$dbType
,
'INTEGER'
)
!==
false
)
{
if
(
strpos
(
$dbType
,
'('
)
&&
preg_match
(
'/\((.*)\)/'
,
$dbType
,
$matches
))
{
$values
=
explode
(
','
,
$matches
[
1
]);
if
(
isset
(
$values
[
1
])
and
(((
int
)
$values
[
1
])
>
0
))
return
'double'
;
else
return
'integer'
;
}
else
}
else
return
'double'
;
}
else
}
else
return
'string'
;
}
/**
* Extracts the PHP type from DB type.
*
* @param string $dbType
* DB type
*/
protected
function
extractType
(
$dbType
)
{
$this
->
type
=
$this
->
extractOraType
(
$dbType
);
}
/**
* Extracts the PHP type from DB type.
* @param string $dbType DB type
*/
protected
function
extractType
(
$dbType
)
{
$this
->
type
=
$this
->
extractOraType
(
$dbType
);
}
/**
* Extracts size, precision and scale information from column's DB type.
* @param string $dbType the column's DB type
*/
protected
function
extractLimit
(
$dbType
)
{
if
(
strpos
(
$dbType
,
'('
)
&&
preg_match
(
'/\((.*)\)/'
,
$dbType
,
$matches
))
{
$values
=
explode
(
','
,
$matches
[
1
]);
$this
->
size
=
$this
->
precision
=
(
int
)
$values
[
0
];
if
(
isset
(
$values
[
1
]))
$this
->
scale
=
(
int
)
$values
[
1
];
}
}
* Extracts size, precision and scale information from column's DB type.
*
* @param string $dbType
* the column's DB type
*/
protected
function
extractLimit
(
$dbType
)
{
if
(
strpos
(
$dbType
,
'('
)
&&
preg_match
(
'/\((.*)\)/'
,
$dbType
,
$matches
))
{
$values
=
explode
(
','
,
$matches
[
1
]);
$this
->
size
=
$this
->
precision
=
(
int
)
$values
[
0
];
if
(
isset
(
$values
[
1
]))
$this
->
scale
=
(
int
)
$values
[
1
];
}
}
/**
* Extracts the default value for the column.
* The value is typecasted to correct PHP type.
* @param mixed $defaultValue the default value obtained from metadata
*/
protected
function
extractDefault
(
$defaultValue
)
{
if
(
stripos
(
$defaultValue
,
'timestamp'
)
!==
false
)
{
$this
->
defaultValue
=
null
;
}
else
{
$this
->
defaultValue
=
$this
->
typecast
(
$defaultValue
);
}
}
* Extracts the default value for the column.
* The value is typecasted to correct PHP type.
*
* @param mixed $defaultValue
* the default value obtained from metadata
*/
protected
function
extractDefault
(
$defaultValue
)
{
if
(
stripos
(
$defaultValue
,
'timestamp'
)
!==
false
)
{
$this
->
defaultValue
=
null
;
}
else
{
$this
->
defaultValue
=
$this
->
typecast
(
$defaultValue
);
}
}
}
framework/yii/db/oci/QueryBuilder.php
View file @
d30aa3ef
<?php
namespace
yii\db\oci
;
use
yii\db\Exception
;
use
yii\base\InvalidParamException
;
/**
* QueryBuilder is the query builder for MySQL databases.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
* QueryBuilder is the query builder for Oracle databases.
*
*/
class
QueryBuilder
extends
\yii\db\QueryBuilder
{
private
$sql
;
public
function
build
(
$query
)
{
//var_dump($query);exit;
$params
=
$query
->
params
;
$clauses
=
[
$this
->
buildSelect
(
$query
->
select
,
$query
->
distinct
,
$query
->
selectOption
),
$this
->
buildFrom
(
$query
->
from
),
$this
->
buildJoin
(
$query
->
join
,
$params
),
$this
->
buildWhere
(
$query
->
where
,
$params
),
$this
->
buildGroupBy
(
$query
->
groupBy
),
$this
->
buildHaving
(
$query
->
having
,
$params
),
$this
->
buildUnion
(
$query
->
union
,
$params
),
$this
->
buildOrderBy
(
$query
->
orderBy
),
//$this->buildLimit($query->limit, $query->offset),
];
//var_dump( [implode($this->separator, array_filter($clauses)), $params]);exit;
$this
->
sql
=
implode
(
$this
->
separator
,
array_filter
(
$clauses
));
if
(
!
is_null
(
$query
->
limit
)
&&
!
is_null
(
$query
->
offset
))
{
$this
->
sql
=
$this
->
buildLimit
(
$query
->
limit
,
$query
->
offset
);
}
return
[
$this
->
sql
,
$params
];
//return [implode($this->separator, array_filter($clauses)), $params];
}
class
QueryBuilder
extends
\yii\db\QueryBuilder
{
public
function
buildLimit
(
$limit
,
$offset
)
{
//var_dump($limit >= 0);
//var_dump($offset);exit;
//var_dump($limit, $offset);
if
((
$limit
<
0
)
&&
(
$offset
<
0
))
{
return
$this
->
sql
;
}
$filters
=
array
();
if
(
$offset
>
0
)
{
$filters
[]
=
'rowNumId > '
.
(
int
)
$offset
;
}
private
$sql
;
if
(
$limit
>=
0
)
{
$filters
[]
=
'rownum <= '
.
(
int
)
$limit
;
}
if
(
count
(
$filters
)
>
0
)
{
$filter
=
implode
(
' and '
,
$filters
);
$filter
=
" WHERE "
.
$filter
;
}
else
{
$filter
=
''
;
}
public
function
build
(
$query
)
{
// var_dump($query);exit;
$params
=
$query
->
params
;
$clauses
=
[
$this
->
buildSelect
(
$query
->
select
,
$query
->
distinct
,
$query
->
selectOption
),
$this
->
buildFrom
(
$query
->
from
),
$this
->
buildJoin
(
$query
->
join
,
$params
),
$this
->
buildWhere
(
$query
->
where
,
$params
),
$this
->
buildGroupBy
(
$query
->
groupBy
),
$this
->
buildHaving
(
$query
->
having
,
$params
),
$this
->
buildUnion
(
$query
->
union
,
$params
),
$this
->
buildOrderBy
(
$query
->
orderBy
)
// $this->buildLimit($query->limit, $query->offset),
;
// var_dump( [implode($this->separator, array_filter($clauses)), $params]);exit;
$this
->
sql
=
implode
(
$this
->
separator
,
array_filter
(
$clauses
));
if
(
!
is_null
(
$query
->
limit
)
&&
!
is_null
(
$query
->
offset
))
{
$this
->
sql
=
$this
->
buildLimit
(
$query
->
limit
,
$query
->
offset
);
}
return
[
$this
->
sql
,
$params
];
// return [implode($this->separator, array_filter($clauses)), $params];
}
$sql
=
<<<EOD
public
function
buildLimit
(
$limit
,
$offset
)
{
// var_dump($limit >= 0);
// var_dump($offset);exit;
// var_dump($limit, $offset);
if
((
$limit
<
0
)
&&
(
$offset
<
0
))
{
return
$this
->
sql
;
}
$filters
=
array
();
if
(
$offset
>
0
)
{
$filters
[]
=
'rowNumId > '
.
(
int
)
$offset
;
}
if
(
$limit
>=
0
)
{
$filters
[]
=
'rownum <= '
.
(
int
)
$limit
;
}
if
(
count
(
$filters
)
>
0
)
{
$filter
=
implode
(
' and '
,
$filters
);
$filter
=
" WHERE "
.
$filter
;
}
else
{
$filter
=
''
;
}
$sql
=
<<<EOD
WITH USER_SQL AS ({$this->sql}),
PAGINATION AS (SELECT USER_SQL.*, rownum as rowNumId FROM USER_SQL)
SELECT *
FROM PAGINATION
{$filter}
EOD;
return
$sql
;
}
return
$sql
;
}
}
framework/yii/db/oci/Schema.php
View file @
d30aa3ef
<?php
namespace
yii\db\oci
;
use
yii\db\TableSchema
;
use
yii\db\oci\ColumnSchema
;
class
Schema
extends
\yii\db\Schema
{
private
$_defaultSchema
=
''
;
public
function
createQueryBuilder
()
{
return
new
QueryBuilder
(
$this
->
db
);
}
public
function
quoteTableName
(
$name
)
{
if
(
strpos
(
$name
,
'.'
)
===
false
)
{
return
$this
->
quoteSimpleTableName
(
$name
);
}
$parts
=
explode
(
'.'
,
$name
);
foreach
(
$parts
as
$i
=>
$part
)
{
$parts
[
$i
]
=
$this
->
quoteSimpleTableName
(
$part
);
}
return
implode
(
'.'
,
$parts
);
}
public
function
quoteSimpleTableName
(
$name
)
{
return
'"'
.
$name
.
'"'
;
//return $name;
}
public
function
quoteColumnName
(
$name
)
{
if
((
$pos
=
strrpos
(
$name
,
'.'
))
!==
false
)
{
$prefix
=
$this
->
quoteTableName
(
substr
(
$name
,
0
,
$pos
))
.
'.'
;
$name
=
substr
(
$name
,
$pos
+
1
);
}
else
{
$prefix
=
''
;
}
return
$prefix
.
(
$name
===
'*'
?
$name
:
$this
->
quoteSimpleColumnName
(
$name
));
}
public
function
quoteSimpleColumnName
(
$name
)
{
return
'"'
.
$name
.
'"'
;
//return $name;
}
public
function
loadTableSchema
(
$name
)
{
$table
=
new
TableSchema
();
$this
->
resolveTableNames
(
$table
,
$name
);
// $this->findPrimaryKeys($table);
if
(
$this
->
findColumns
(
$table
))
{
//$this->findForeignKeys($table);
$this
->
findConstraints
(
$table
);
return
$table
;
}
}
/**
* Resolves the table name and schema name (if any).
*
* @param TableSchema $table the table metadata object
* @param string $name the table name
*/
protected
function
resolveTableNames
(
$table
,
$name
)
{
$parts
=
explode
(
'.'
,
str_replace
(
'"'
,
''
,
$name
));
if
(
isset
(
$parts
[
1
]))
{
$table
->
schemaName
=
$parts
[
0
];
$table
->
name
=
$parts
[
1
];
}
else
{
$table
->
name
=
$parts
[
0
];
}
if
(
$table
->
schemaName
===
null
)
{
$table
->
schemaName
=
$this
->
getDefaultSchema
();
}
}
/**
*
* @return string default schema.
*/
public
function
getDefaultSchema
()
{
if
(
!
strlen
(
$this
->
_defaultSchema
))
{
$this
->
setDefaultSchema
(
strtoupper
(
$this
->
db
->
username
));
}
return
$this
->
_defaultSchema
;
}
/**
*
* @param string $schema default schema.
*/
public
function
setDefaultSchema
(
$schema
)
{
$this
->
_defaultSchema
=
$schema
;
}
public
function
getLastInsertID
(
$sequenceName
=
''
)
{
if
(
$this
->
db
->
isActive
)
{
$sql
=
"select
{
$sequenceName
}
.currval from dual"
;
return
$this
->
db
->
createCommand
(
$sql
)
->
queryScalar
();
}
else
{
throw
new
InvalidCallException
(
'DB Connection is not active.'
);
}
}
/**
* Collects the table column metadata.
* @param COciTableSchema $table the table metadata
* @return boolean whether the table exists in the database
*/
protected
function
findColumns
(
$table
)
{
$schemaName
=
$table
->
schemaName
;
$tableName
=
$table
->
name
;
$sql
=
<<<EOD
/**
* Schema is the class for retrieving metadata information from an Oracle database.
*
*/
class
Schema
extends
\yii\db\Schema
{
private
$_defaultSchema
=
''
;
public
function
createQueryBuilder
()
{
return
new
QueryBuilder
(
$this
->
db
);
}
public
function
quoteTableName
(
$name
)
{
if
(
strpos
(
$name
,
'.'
)
===
false
)
{
return
$this
->
quoteSimpleTableName
(
$name
);
}
$parts
=
explode
(
'.'
,
$name
);
foreach
(
$parts
as
$i
=>
$part
)
{
$parts
[
$i
]
=
$this
->
quoteSimpleTableName
(
$part
);
}
return
implode
(
'.'
,
$parts
);
}
public
function
quoteSimpleTableName
(
$name
)
{
return
'"'
.
$name
.
'"'
;
// return $name;
}
public
function
quoteColumnName
(
$name
)
{
if
((
$pos
=
strrpos
(
$name
,
'.'
))
!==
false
)
{
$prefix
=
$this
->
quoteTableName
(
substr
(
$name
,
0
,
$pos
))
.
'.'
;
$name
=
substr
(
$name
,
$pos
+
1
);
}
else
{
$prefix
=
''
;
}
return
$prefix
.
(
$name
===
'*'
?
$name
:
$this
->
quoteSimpleColumnName
(
$name
));
}
public
function
quoteSimpleColumnName
(
$name
)
{
return
'"'
.
$name
.
'"'
;
// return $name;
}
public
function
loadTableSchema
(
$name
)
{
$table
=
new
TableSchema
();
$this
->
resolveTableNames
(
$table
,
$name
);
// $this->findPrimaryKeys($table);
if
(
$this
->
findColumns
(
$table
))
{
// $this->findForeignKeys($table);
$this
->
findConstraints
(
$table
);
return
$table
;
}
}
/**
* Resolves the table name and schema name (if any).
*
* @param TableSchema $table
* the table metadata object
* @param string $name
* the table name
*/
protected
function
resolveTableNames
(
$table
,
$name
)
{
$parts
=
explode
(
'.'
,
str_replace
(
'"'
,
''
,
$name
));
if
(
isset
(
$parts
[
1
]))
{
$table
->
schemaName
=
$parts
[
0
];
$table
->
name
=
$parts
[
1
];
}
else
{
$table
->
name
=
$parts
[
0
];
}
if
(
$table
->
schemaName
===
null
)
{
$table
->
schemaName
=
$this
->
getDefaultSchema
();
}
}
/**
*
* @return string default schema.
*/
public
function
getDefaultSchema
()
{
if
(
!
strlen
(
$this
->
_defaultSchema
))
{
$this
->
setDefaultSchema
(
strtoupper
(
$this
->
db
->
username
));
}
return
$this
->
_defaultSchema
;
}
/**
*
* @param string $schema
* default schema.
*/
public
function
setDefaultSchema
(
$schema
)
{
$this
->
_defaultSchema
=
$schema
;
}
public
function
getLastInsertID
(
$sequenceName
=
''
)
{
if
(
$this
->
db
->
isActive
)
{
$sql
=
"select
{
$sequenceName
}
.currval from dual"
;
return
$this
->
db
->
createCommand
(
$sql
)
->
queryScalar
();
}
else
{
throw
new
InvalidCallException
(
'DB Connection is not active.'
);
}
}
/**
* Collects the table column metadata.
*
*/
protected
function
findColumns
(
$table
)
{
$schemaName
=
$table
->
schemaName
;
$tableName
=
$table
->
name
;
$sql
=
<<<EOD
SELECT a.column_name, a.data_type ||
case
when data_precision is not null
...
...
@@ -142,27 +160,29 @@ WHERE
and b.object_name = '{$tableName}'
ORDER by a.column_id
EOD;
try
{
$columns
=
$this
->
db
->
createCommand
(
$sql
)
->
queryAll
();
}
catch
(
\Exception
$e
)
{
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
;
}
elseif
(
is_string
(
$table
->
primaryKey
))
{
$table
->
primaryKey
=
array
(
$table
->
primaryKey
,
$c
->
name
);
}
else
{
$table
->
primaryKey
[]
=
$c
->
name
;
}
$sql
=
"select sequence_name
try
{
$columns
=
$this
->
db
->
createCommand
(
$sql
)
->
queryAll
();
}
catch
(
\Exception
$e
)
{
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
;
}
elseif
(
is_string
(
$table
->
primaryKey
))
{
$table
->
primaryKey
=
array
(
$table
->
primaryKey
,
$c
->
name
);
}
else
{
$table
->
primaryKey
[]
=
$c
->
name
;
}
$sql
=
"select sequence_name
from user_tables tabs
join user_triggers trigs
on trigs.table_name = tabs.table_name
...
...
@@ -172,31 +192,33 @@ join user_sequences seqs
on seqs.sequence_name = deps.referenced_name
where tabs.table_name = '
{
$tableName
}
'
and trigs.triggering_event = 'INSERT'"
;
try
{
$seqName
=
$this
->
db
->
createCommand
(
$sql
)
->
queryScalar
();
}
catch
(
\Exception
$e
)
{
return
false
;
}
$table
->
sequenceName
=
$seqName
;
$c
->
autoIncrement
=
true
;
}
}
return
true
;
}
protected
function
createColumn
(
$column
)
{
$c
=
new
ColumnSchema
;
$c
->
name
=
$column
[
'COLUMN_NAME'
];
$c
->
allowNull
=
$column
[
'NULLABLE'
]
===
'Y'
;
$c
->
isPrimaryKey
=
strpos
(
$column
[
'KEY'
],
'P'
)
!==
false
;
$c
->
extract
(
$column
[
'DATA_TYPE'
],
$column
[
'DATA_DEFAULT'
]);
$c
->
comment
=
$column
[
'COLUMN_COMMENT'
]
===
null
?
''
:
$column
[
'COLUMN_COMMENT'
];
return
$c
;
}
protected
function
findConstraints
(
$table
)
{
$sql
=
<<<EOD
try
{
$seqName
=
$this
->
db
->
createCommand
(
$sql
)
->
queryScalar
();
}
catch
(
\Exception
$e
)
{
return
false
;
}
$table
->
sequenceName
=
$seqName
;
$c
->
autoIncrement
=
true
;
}
}
return
true
;
}
protected
function
createColumn
(
$column
)
{
$c
=
new
ColumnSchema
();
$c
->
name
=
$column
[
'COLUMN_NAME'
];
$c
->
allowNull
=
$column
[
'NULLABLE'
]
===
'Y'
;
$c
->
isPrimaryKey
=
strpos
(
$column
[
'KEY'
],
'P'
)
!==
false
;
$c
->
extract
(
$column
[
'DATA_TYPE'
],
$column
[
'DATA_DEFAULT'
]);
$c
->
comment
=
$column
[
'COLUMN_COMMENT'
]
===
null
?
''
:
$column
[
'COLUMN_COMMENT'
];
return
$c
;
}
protected
function
findConstraints
(
$table
)
{
$sql
=
<<<EOD
SELECT D.constraint_type as CONSTRAINT_TYPE, C.COLUMN_NAME, C.position, D.r_constraint_name,
E.table_name as table_ref, f.column_name as column_ref,
C.table_name
...
...
@@ -209,117 +231,134 @@ where tabs.table_name = '{$tableName}'
and D.constraint_type <> 'P'
order by d.constraint_name, c.position
EOD;
$command
=
$this
->
db
->
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"
],
$row
[
"COLUMN_REF"
]);
/*
if (isset($table->columns[$name])) {
$table->columns[$name]->isForeignKey = true;
}
*
*/
}
}
}
/**
* Returns all table names in the database.
* @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
* If not empty, the returned table names will be prefixed with the schema name.
* @return array all table names in the database.
*/
protected
function
findTableNames
(
$schema
=
''
)
{
if
(
$schema
===
''
)
{
$sql
=
<<<EOD
$command
=
$this
->
db
->
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"
],
$row
[
"COLUMN_REF"
]
);
/*
* if (isset($table->columns[$name])) { $table->columns[$name]->isForeignKey = true; }
*/
}
}
}
/**
* Returns all table names in the database.
*
* @param string $schema
* the schema of the tables. Defaults to empty string, meaning the current or default schema.
* If not empty, the returned table names will be prefixed with the schema name.
* @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
->
db
->
createCommand
(
$sql
);
}
else
{
$sql
=
<<<EOD
$command
=
$this
->
db
->
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
->
db
>
createCommand
(
$sql
);
$command
->
bindParam
(
':schema'
,
$schema
);
}
$rows
=
$command
->
queryAll
();
$names
=
array
();
foreach
(
$rows
as
$row
)
{
if
(
$schema
===
$this
->
getDefaultSchema
()
||
$schema
===
''
)
{
$names
[]
=
$row
[
'TABLE_NAME'
];
}
else
{
$names
[]
=
$row
[
'TABLE_SCHEMA'
]
.
'.'
.
$row
[
'TABLE_NAME'
];
}
}
return
$names
;
}
/**
* Builds a SQL statement for renaming a DB table.
* @param string $table the table to be renamed. The name will be properly quoted by the method.
* @param string $newName the new table name. The name will be properly quoted by the method.
* @return string the SQL statement for renaming a DB table.
* @since 1.1.6
*/
public
function
renameTable
(
$table
,
$newName
)
{
return
'ALTER TABLE '
.
$this
->
quoteTableName
(
$table
)
.
' RENAME TO '
.
$this
->
quoteTableName
(
$newName
);
}
/**
* Builds a SQL statement for changing the definition of a column.
* @param string $table the table whose column is to be changed. The table name will be properly quoted by the method.
* @param string $column the name of the column to be changed. The name will be properly quoted by the method.
* @param string $type the new column type. The {@link getColumnType} method will be invoked to convert abstract column type (if any)
* into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL.
* For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'.
* @return string the SQL statement for changing the definition of a column.
* @since 1.1.6
*/
public
function
alterColumn
(
$table
,
$column
,
$type
)
{
$type
=
$this
->
getColumnType
(
$type
);
$sql
=
'ALTER TABLE '
.
$this
->
quoteTableName
(
$table
)
.
' MODIFY '
.
$this
->
quoteColumnName
(
$column
)
.
' '
.
$this
->
getColumnType
(
$type
);
return
$sql
;
}
/**
* Builds a SQL statement for dropping an index.
* @param string $name the name of the index to be dropped. The name will be properly quoted by the method.
* @param string $table the table whose index is to be dropped. The name will be properly quoted by the method.
* @return string the SQL statement for dropping an index.
* @since 1.1.6
*/
public
function
dropIndex
(
$name
,
$table
)
{
return
'DROP INDEX '
.
$this
->
quoteTableName
(
$name
);
}
/**
* Resets the sequence value of a table's primary key.
* The sequence will be reset such that the primary key of the next new row inserted
* will have the specified value or 1.
* @param CDbTableSchema $table the table schema whose primary key sequence will be reset
* @param mixed $value the value for the primary key of the next new row inserted. If this is not set,
* the next new row's primary key will have a value 1.
* @since 1.1.13
*/
public
function
resetSequence
(
$table
,
$value
=
1
)
{
$seq
=
$table
->
name
.
"_SEQ"
;
if
(
$table
->
sequenceName
!==
null
)
{
$this
->
db
->
createCommand
(
"DROP SEQUENCE "
.
$seq
)
->
execute
();
$createSequenceSql
=
<<<
SQL
$command
=
$this
->
db
>
createCommand
(
$sql
);
$command
->
bindParam
(
':schema'
,
$schema
);
}
$rows
=
$command
->
queryAll
();
$names
=
array
();
foreach
(
$rows
as
$row
)
{
if
(
$schema
===
$this
->
getDefaultSchema
()
||
$schema
===
''
)
{
$names
[]
=
$row
[
'TABLE_NAME'
];
}
else
{
$names
[]
=
$row
[
'TABLE_SCHEMA'
]
.
'.'
.
$row
[
'TABLE_NAME'
];
}
}
return
$names
;
}
/**
* Builds a SQL statement for renaming a DB table.
*
* @param string $table
* the table to be renamed. The name will be properly quoted by the method.
* @param string $newName
* the new table name. The name will be properly quoted by the method.
* @return string the SQL statement for renaming a DB table.
* @since 1.1.6
*/
public
function
renameTable
(
$table
,
$newName
)
{
return
'ALTER TABLE '
.
$this
->
quoteTableName
(
$table
)
.
' RENAME TO '
.
$this
->
quoteTableName
(
$newName
);
}
/**
* Builds a SQL statement for changing the definition of a column.
*
* @param string $table
* the table whose column is to be changed. The table name will be properly quoted by the method.
* @param string $column
* the name of the column to be changed. The name will be properly quoted by the method.
* @param string $type
* the new column type. The {@link getColumnType} method will be invoked to convert abstract column type (if any)
* into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL.
* For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'.
* @return string the SQL statement for changing the definition of a column.
* @since 1.1.6
*/
public
function
alterColumn
(
$table
,
$column
,
$type
)
{
$type
=
$this
->
getColumnType
(
$type
);
$sql
=
'ALTER TABLE '
.
$this
->
quoteTableName
(
$table
)
.
' MODIFY '
.
$this
->
quoteColumnName
(
$column
)
.
' '
.
$this
->
getColumnType
(
$type
);
return
$sql
;
}
/**
* Builds a SQL statement for dropping an index.
*
* @param string $name
* the name of the index to be dropped. The name will be properly quoted by the method.
* @param string $table
* the table whose index is to be dropped. The name will be properly quoted by the method.
* @return string the SQL statement for dropping an index.
* @since 1.1.6
*/
public
function
dropIndex
(
$name
,
$table
)
{
return
'DROP INDEX '
.
$this
->
quoteTableName
(
$name
);
}
/**
* Resets the sequence value of a table's primary key.
* The sequence will be reset such that the primary key of the next new row inserted
* will have the specified value or 1.
*
* @param CDbTableSchema $table
* the table schema whose primary key sequence will be reset
* @param mixed $value
* the value for the primary key of the next new row inserted. If this is not set,
* the next new row's primary key will have a value 1.
* @since 1.1.13
*/
public
function
resetSequence
(
$table
,
$value
=
1
)
{
$seq
=
$table
->
name
.
"_SEQ"
;
if
(
$table
->
sequenceName
!==
null
)
{
$this
->
db
->
createCommand
(
"DROP SEQUENCE "
.
$seq
)
->
execute
();
$createSequenceSql
=
<<<
SQL
create
sequence
$seq
start
with
$value
increment
by
1
nomaxvalue
nocache
SQL
;
$this
->
db
->
createCommand
(
$createSequenceSql
)
->
execute
();
}
}
$this
->
db
->
createCommand
(
$createSequenceSql
)
->
execute
();
}
}
}
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