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sql-parser/src/Components/IntoKeyword.php at master · phpmyadmin/sql-parser · GitHub
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IntoKeyword.php
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IntoKeyword.php
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<?php
declare
(strict_types=
1
);
namespace
PhpMyAdmin
\
SqlParser
\
Components
;
use
PhpMyAdmin
\
SqlParser
\
Component
;
use
PhpMyAdmin
\
SqlParser
\
Context
;
use
PhpMyAdmin
\
SqlParser
\
Parser
;
use
PhpMyAdmin
\
SqlParser
\
Parsers
\
Expressions
;
use
PhpMyAdmin
\
SqlParser
\
Parsers
\
OptionsArrays
;
use
PhpMyAdmin
\
SqlParser
\
TokensList
;
use
function
implode
;
use
function
trim
;
/**
* `INTO` keyword parser.
*/
final
class
IntoKeyword
implements
Component
{
/**
* FIELDS/COLUMNS Options for `SELECT...INTO` statements.
*/
private
const
STATEMENT_FIELDS_OPTIONS
= [
'
TERMINATED BY
'
=> [
1
,
'
expr
'
,
],
'
OPTIONALLY
'
=>
2
,
'
ENCLOSED BY
'
=> [
3
,
'
expr
'
,
],
'
ESCAPED BY
'
=> [
4
,
'
expr
'
,
],
];
/**
* LINES Options for `SELECT...INTO` statements.
*/
private
const
STATEMENT_LINES_OPTIONS
= [
'
STARTING BY
'
=> [
1
,
'
expr
'
,
],
'
TERMINATED BY
'
=> [
2
,
'
expr
'
,
],
];
/**
* Type of target (OUTFILE or SYMBOL).
*/
public
string
|
null
$
type
=
null
;
/**
* The destination, which can be a table or a file.
*/
public
string
|
Expression
|
null
$
dest
=
null
;
/**
* The name of the columns.
*
* @var string[]|null
*/
public
array
|
null
$
columns
=
null
;
/**
* The values to be selected into (SELECT .. INTO @var1).
*
* @var Expression[]|null
*/
public
array
|
null
$
values
=
null
;
/**
* Options for FIELDS/COLUMNS keyword.
*
* @see IntoKeyword::STATEMENT_FIELDS_OPTIONS
*/
public
OptionsArray
|
null
$
fieldsOptions
=
null
;
/**
* Whether to use `FIELDS` or `COLUMNS` while building.
*/
public
bool
|
null
$
fieldsKeyword
=
null
;
/**
* Options for OPTIONS keyword.
*
* @see IntoKeyword::STATEMENT_LINES_OPTIONS
*/
public
OptionsArray
|
null
$
linesOptions
=
null
;
/**
* @param string|null $type type of destination (may be OUTFILE)
* @param string|Expression|null $dest actual destination
* @param string[]|null $columns column list of destination
* @param Expression[]|null $values selected fields
* @param OptionsArray|null $fieldsOptions options for FIELDS/COLUMNS keyword
* @param bool|null $fieldsKeyword options for OPTIONS keyword
*/
public
function
__construct
(
string
|
null
$
type
=
null
,
string
|
Expression
|
null
$
dest
=
null
,
array
|
null
$
columns
=
null
,
array
|
null
$
values
=
null
,
OptionsArray
|
null
$
fieldsOptions
=
null
,
bool
|
null
$
fieldsKeyword
=
null
,
) {
$
this
->
type
=
$
type
;
$
this
->
dest
=
$
dest
;
$
this
->
columns
=
$
columns
;
$
this
->
values
=
$
values
;
$
this
->
fieldsOptions
=
$
fieldsOptions
;
$
this
->
fieldsKeyword
=
$
fieldsKeyword
;
}
/**
* @param Parser $parser The parser
* @param TokensList $list A token list
* @param string $keyword The keyword
*/
public
function
parseFileOptions
(
Parser
$
parser
,
TokensList
$
list
,
string
$
keyword
=
'
FIELDS
'
):
void
{
++
$
list
->
idx
;
if
(
$
keyword
===
'
FIELDS
'
||
$
keyword
===
'
COLUMNS
'
) {
// parse field options
$
this
->
fieldsOptions
= OptionsArrays::
parse
(
$
parser
,
$
list
,
self
::
STATEMENT_FIELDS_OPTIONS
);
$
this
->
fieldsKeyword
= (
$
keyword
===
'
FIELDS
'
);
}
else
{
// parse line options
$
this
->
linesOptions
= OptionsArrays::
parse
(
$
parser
,
$
list
,
self
::
STATEMENT_LINES_OPTIONS
);
}
}
public
function
build
():
string
{
if
(
$
this
->
dest
instanceof
Expression) {
$
columns
=
$
this
->
columns
===
null
||
$
this
->
columns
=== []
?
''
:
'
(
'
.
implode
(
'
,
'
, Context::
escapeAll
(
$
this
->
columns
)) .
'
)
'
;
return
$
this
->
dest
.
$
columns
;
}
if
(
isset
(
$
this
->
values
)) {
return
Expressions::
buildAll
(
$
this
->
values
);
}
$
ret
=
'
OUTFILE "
'
.
$
this
->
dest
.
'
"
'
;
$
fieldsOptionsString
=
$
this
->
fieldsOptions
?->build() ??
''
;
if
(
trim
(
$
fieldsOptionsString
) !==
''
) {
$
ret
.=
$
this
->
fieldsKeyword
?
'
FIELDS
'
:
'
COLUMNS
'
;
$
ret
.=
'
'
.
$
fieldsOptionsString
;
}
$
linesOptionsString
=
$
this
->
linesOptions
?->build() ??
''
;
if
(
trim
(
$
linesOptionsString
) !==
''
) {
$
ret
.=
'
LINES
'
.
$
linesOptionsString
;
}
return
$
ret
;
}
public
function
__toString
():
string
{
return
$
this
->
build
();
}
}
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