Skip to content

Commit

Permalink
Merge pull request #203 from mostertb/case-alias
Browse files Browse the repository at this point in the history 
Add support for Aliases on CASE expressions
  • Loading branch information
@ibennetch
ibennetch authored Dec 24, 2018
2 parents e497100 + bf4ad3d commit c8febda
Show file tree
Hide file tree
Showing 23 changed files with 166 additions and 2 deletions.
74 changes: 72 additions & 2 deletions src/Components/CaseExpression.php
View file
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
namespace PhpMyAdmin\SqlParser\Components;

use PhpMyAdmin\SqlParser\Component;
use PhpMyAdmin\SqlParser\Context;
use PhpMyAdmin\SqlParser\Parser;
use PhpMyAdmin\SqlParser\Token;
use PhpMyAdmin\SqlParser\TokensList;
Expand Down Expand Up @@ -55,6 +56,13 @@ class CaseExpression extends Component
*/
public $else_result;

/**
* The alias of this CASE statement.
*
* @var string
*/
public $alias;

/**
* The sub-expression.
*
Expand All @@ -70,8 +78,8 @@ public function __construct()
}

/**
* @param Parser $parser the parser that serves as context
* @param TokensList $list the list of tokens that are being parsed
* @param Parser $parser the parser that serves as context
* @param TokensList $list the list of tokens that are being parsed
* @param array $options parameters for parsing
*
* @return CaseExpression
Expand Down Expand Up @@ -199,6 +207,64 @@ public static function parse(Parser $parser, TokensList $list, array $options =
$list->tokens[$list->idx - 1]
);
} else {
// Parse for alias of CASE expression
$asFound = false;
for (; $list->idx < $list->count; ++$list->idx) {
$token = $list->tokens[$list->idx];

// End of statement.
if ($token->type === Token::TYPE_DELIMITER) {
break;
}

// Skipping whitespaces and comments.
if (($token->type === Token::TYPE_WHITESPACE)
|| ($token->type === Token::TYPE_COMMENT)
) {
continue;
}

// Handle optional AS keyword before alias
if ($token->type === Token::TYPE_KEYWORD
&& $token->keyword === 'AS') {
if ($asFound || !empty($ret->alias)) {
$parser->error('Potential duplicate alias of CASE expression.', $token);
break;
}
$asFound = true;
continue;
}

if ($asFound
&& $token->type === Token::TYPE_KEYWORD
&& ($token->flags & Token::FLAG_KEYWORD_RESERVED || $token->flags & Token::FLAG_KEYWORD_FUNCTION)) {
$parser->error('An alias expected after AS but got ' . $token->value, $token);
$asFound = false;
break;
}

if ($asFound
|| $token->type === Token::TYPE_STRING
|| ($token->type === Token::TYPE_SYMBOL && !$token->flags & Token::FLAG_SYMBOL_VARIABLE)
|| $token->type === Token::TYPE_NONE
) {
// An alias is expected (the keyword `AS` was previously found).
if (!empty($ret->alias)) {
$parser->error('An alias was previously found.', $token);
break;
}
$ret->alias = $token->value;
$asFound = false;

continue;
}

break;
}
if ($asFound) {
$parser->error('An alias was expected after AS.', $list->tokens[$list->idx - 1]);
}

$ret->expr = self::build($ret);
}

Expand Down Expand Up @@ -239,6 +305,10 @@ public static function build($component, array $options = array())
}
$ret .= 'END';

if ($component->alias) {
$ret .= ' AS ' . Context::escape($component->alias);
}

return $ret;
}
}
28 changes: 28 additions & 0 deletions tests/Components/CaseExpressionTest.php
View file
Original file line number Diff line number Diff line change
Expand Up @@ -83,4 +83,32 @@ public function testParseBuild6()
'CASE WHEN 1=1 THEN "Some" WHEN 1=2 THEN "SomeOther" END'
);
}

public function testParseBuild7()
{
$caseExprQuery = 'case when 1=1 then "Some" '
. 'when 1=2 then "SomeOther" end AS foo';
$component = CaseExpression::parse(
new Parser(),
$this->getTokensList($caseExprQuery)
);
$this->assertEquals(
CaseExpression::build($component),
'CASE WHEN 1=1 THEN "Some" WHEN 1=2 THEN "SomeOther" END AS `foo`'
);
}

public function testParseBuild8()
{
$caseExprQuery = 'case when 1=1 then "Some" '
. 'when 1=2 then "SomeOther" end foo';
$component = CaseExpression::parse(
new Parser(),
$this->getTokensList($caseExprQuery)
);
$this->assertEquals(
CaseExpression::build($component),
'CASE WHEN 1=1 THEN "Some" WHEN 1=2 THEN "SomeOther" END AS `foo`'
);
}
}
10 changes: 10 additions & 0 deletions tests/Parser/SelectStatementTest.php
View file
Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,16 @@ public function testSelectProvider()
array('parser/parseSelectCaseErr3'),
array('parser/parseSelectCaseErr4'),
array('parser/parseSelectCaseErr5'),
array('parser/parseSelectCaseAlias1'),
array('parser/parseSelectCaseAlias2'),
array('parser/parseSelectCaseAlias3'),
array('parser/parseSelectCaseAlias4'),
array('parser/parseSelectCaseAlias5'),
array('parser/parseSelectCaseAlias6'),
array('parser/parseSelectCaseAliasErr1'),
array('parser/parseSelectCaseAliasErr2'),
array('parser/parseSelectCaseAliasErr3'),
array('parser/parseSelectCaseAliasErr4'),
array('parser/parseSelectIntoOptions1'),
array('parser/parseSelectIntoOptions2'),
array('parser/parseSelectIntoOptions3'),
Expand Down
2 changes: 2 additions & 0 deletions tests/data/parser/parseSelectCaseAlias1.in
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
select (SELECT name FROM mysql.help_category WHERE help_category_id = 1) as name,
case /* */ when 1=1 then "Some" when 2=1 then "Other" end /* */ AS /* */ foo FROM a;
4 changes: 4 additions & 0 deletions tests/data/parser/parseSelectCaseAlias1.out
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,4 @@
a:4:{s:5:"query";s:166:"select (SELECT name FROM mysql.help_category WHERE help_category_id = 1) as name,
case /* */ when 1=1 then "Some" when 2=1 then "Other" end /* */ AS /* */ foo FROM a;";s:5:"lexer";O:26:"PhpMyAdmin\SqlParser\Lexer":8:{s:3:"str";s:166:"select (SELECT name FROM mysql.help_category WHERE help_category_id = 1) as name,
case /* */ when 1=1 then "Some" when 2=1 then "Other" end /* */ AS /* */ foo FROM a;";s:3:"len";i:166;s:4:"last";i:166;s:4:"list";O:31:"PhpMyAdmin\SqlParser\TokensList":3:{s:6:"tokens";a:66:{i:0;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:6:"select";s:5:"value";s:6:"SELECT";s:7:"keyword";s:6:"SELECT";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:0;}i:1;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:6;}i:2;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:"(";s:5:"value";s:1:"(";s:7:"keyword";N;s:4:"type";i:2;s:5:"flags";i:16;s:8:"position";i:7;}i:3;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:6:"SELECT";s:5:"value";s:6:"SELECT";s:7:"keyword";s:6:"SELECT";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:8;}i:4;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:14;}i:5;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:4:"name";s:5:"value";s:4:"name";s:7:"keyword";s:4:"NAME";s:4:"type";i:1;s:5:"flags";i:1;s:8:"position";i:15;}i:6;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:19;}i:7;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:4:"FROM";s:5:"value";s:4:"FROM";s:7:"keyword";s:4:"FROM";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:20;}i:8;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:24;}i:9;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:5:"mysql";s:5:"value";s:5:"mysql";s:7:"keyword";N;s:4:"type";i:0;s:5:"flags";i:0;s:8:"position";i:25;}i:10;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:".";s:5:"value";s:1:".";s:7:"keyword";N;s:4:"type";i:2;s:5:"flags";i:16;s:8:"position";i:30;}i:11;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:13:"help_category";s:5:"value";s:13:"help_category";s:7:"keyword";N;s:4:"type";i:0;s:5:"flags";i:0;s:8:"position";i:31;}i:12;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:44;}i:13;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:5:"WHERE";s:5:"value";s:5:"WHERE";s:7:"keyword";s:5:"WHERE";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:45;}i:14;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:50;}i:15;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:16:"help_category_id";s:5:"value";s:16:"help_category_id";s:7:"keyword";N;s:4:"type";i:0;s:5:"flags";i:0;s:8:"position";i:51;}i:16;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:67;}i:17;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:"=";s:5:"value";s:1:"=";s:7:"keyword";N;s:4:"type";i:2;s:5:"flags";i:2;s:8:"position";i:68;}i:18;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:69;}i:19;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:"1";s:5:"value";i:1;s:7:"keyword";N;s:4:"type";i:6;s:5:"flags";i:0;s:8:"position";i:70;}i:20;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:")";s:5:"value";s:1:")";s:7:"keyword";N;s:4:"type";i:2;s:5:"flags";i:16;s:8:"position";i:71;}i:21;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:72;}i:22;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:2:"as";s:5:"value";s:2:"AS";s:7:"keyword";s:2:"AS";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:73;}i:23;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:75;}i:24;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:4:"name";s:5:"value";s:4:"name";s:7:"keyword";s:4:"NAME";s:4:"type";i:1;s:5:"flags";i:1;s:8:"position";i:76;}i:25;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:",";s:5:"value";s:1:",";s:7:"keyword";N;s:4:"type";i:2;s:5:"flags";i:16;s:8:"position";i:80;}i:26;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:"
";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:81;}i:27;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:4:"case";s:5:"value";s:4:"CASE";s:7:"keyword";s:4:"CASE";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:82;}i:28;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:86;}i:29;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:5:"/* */";s:5:"value";s:5:"/* */";s:7:"keyword";N;s:4:"type";i:4;s:5:"flags";i:2;s:8:"position";i:87;}i:30;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:92;}i:31;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:4:"when";s:5:"value";s:4:"WHEN";s:7:"keyword";s:4:"WHEN";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:93;}i:32;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:97;}i:33;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:"1";s:5:"value";i:1;s:7:"keyword";N;s:4:"type";i:6;s:5:"flags";i:0;s:8:"position";i:98;}i:34;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:"=";s:5:"value";s:1:"=";s:7:"keyword";N;s:4:"type";i:2;s:5:"flags";i:2;s:8:"position";i:99;}i:35;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:"1";s:5:"value";i:1;s:7:"keyword";N;s:4:"type";i:6;s:5:"flags";i:0;s:8:"position";i:100;}i:36;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:101;}i:37;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:4:"then";s:5:"value";s:4:"THEN";s:7:"keyword";s:4:"THEN";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:102;}i:38;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:106;}i:39;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:6:""Some"";s:5:"value";s:4:"Some";s:7:"keyword";N;s:4:"type";i:7;s:5:"flags";i:2;s:8:"position";i:107;}i:40;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:113;}i:41;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:4:"when";s:5:"value";s:4:"WHEN";s:7:"keyword";s:4:"WHEN";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:114;}i:42;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:118;}i:43;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:"2";s:5:"value";i:2;s:7:"keyword";N;s:4:"type";i:6;s:5:"flags";i:0;s:8:"position";i:119;}i:44;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:"=";s:5:"value";s:1:"=";s:7:"keyword";N;s:4:"type";i:2;s:5:"flags";i:2;s:8:"position";i:120;}i:45;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:"1";s:5:"value";i:1;s:7:"keyword";N;s:4:"type";i:6;s:5:"flags";i:0;s:8:"position";i:121;}i:46;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:122;}i:47;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:4:"then";s:5:"value";s:4:"THEN";s:7:"keyword";s:4:"THEN";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:123;}i:48;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:127;}i:49;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:7:""Other"";s:5:"value";s:5:"Other";s:7:"keyword";N;s:4:"type";i:7;s:5:"flags";i:2;s:8:"position";i:128;}i:50;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:135;}i:51;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:3:"end";s:5:"value";s:3:"end";s:7:"keyword";s:3:"END";s:4:"type";i:1;s:5:"flags";i:1;s:8:"position";i:136;}i:52;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:139;}i:53;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:5:"/* */";s:5:"value";s:5:"/* */";s:7:"keyword";N;s:4:"type";i:4;s:5:"flags";i:2;s:8:"position";i:140;}i:54;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:145;}i:55;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:2:"AS";s:5:"value";s:2:"AS";s:7:"keyword";s:2:"AS";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:146;}i:56;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:148;}i:57;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:5:"/* */";s:5:"value";s:5:"/* */";s:7:"keyword";N;s:4:"type";i:4;s:5:"flags";i:2;s:8:"position";i:149;}i:58;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:154;}i:59;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:3:"foo";s:5:"value";s:3:"foo";s:7:"keyword";N;s:4:"type";i:0;s:5:"flags";i:0;s:8:"position";i:155;}i:60;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:158;}i:61;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:4:"FROM";s:5:"value";s:4:"FROM";s:7:"keyword";s:4:"FROM";s:4:"type";i:1;s:5:"flags";i:3;s:8:"position";i:159;}i:62;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:" ";s:5:"value";s:1:" ";s:7:"keyword";N;s:4:"type";i:3;s:5:"flags";i:0;s:8:"position";i:163;}i:63;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:"a";s:5:"value";s:1:"a";s:7:"keyword";N;s:4:"type";i:0;s:5:"flags";i:0;s:8:"position";i:164;}i:64;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";s:1:";";s:5:"value";s:1:";";s:7:"keyword";N;s:4:"type";i:9;s:5:"flags";i:0;s:8:"position";i:165;}i:65;O:26:"PhpMyAdmin\SqlParser\Token":6:{s:5:"token";N;s:5:"value";N;s:7:"keyword";N;s:4:"type";i:9;s:5:"flags";i:0;s:8:"position";N;}}s:5:"count";i:66;s:3:"idx";i:66;}s:9:"delimiter";s:1:";";s:12:"delimiterLen";i:1;s:6:"strict";b:0;s:6:"errors";a:0:{}}s:6:"parser";O:27:"PhpMyAdmin\SqlParser\Parser":5:{s:4:"list";r:7;s:10:"statements";a:1:{i:0;O:47:"PhpMyAdmin\SqlParser\Statements\SelectStatement":16:{s:4:"expr";a:2:{i:0;O:42:"PhpMyAdmin\SqlParser\Components\Expression":7:{s:8:"database";N;s:5:"table";N;s:6:"column";N;s:4:"expr";s:65:"(SELECT name FROM mysql.help_category WHERE help_category_id = 1)";s:5:"alias";s:4:"name";s:8:"function";N;s:8:"subquery";s:6:"SELECT";}i:1;O:46:"PhpMyAdmin\SqlParser\Components\CaseExpression":7:{s:5:"value";N;s:10:"conditions";a:2:{i:0;a:1:{i:0;O:41:"PhpMyAdmin\SqlParser\Components\Condition":3:{s:11:"identifiers";a:0:{}s:10:"isOperator";b:0;s:4:"expr";s:3:"1=1";}}i:1;a:1:{i:0;O:41:"PhpMyAdmin\SqlParser\Components\Condition":3:{s:11:"identifiers";a:0:{}s:10:"isOperator";b:0;s:4:"expr";s:3:"2=1";}}}s:7:"results";a:2:{i:0;O:42:"PhpMyAdmin\SqlParser\Components\Expression":7:{s:8:"database";N;s:5:"table";N;s:6:"column";s:4:"Some";s:4:"expr";s:6:""Some"";s:5:"alias";N;s:8:"function";N;s:8:"subquery";N;}i:1;O:42:"PhpMyAdmin\SqlParser\Components\Expression":7:{s:8:"database";N;s:5:"table";N;s:6:"column";s:5:"Other";s:4:"expr";s:7:""Other"";s:5:"alias";N;s:8:"function";N;s:8:"subquery";N;}}s:14:"compare_values";N;s:11:"else_result";N;s:5:"alias";s:3:"foo";s:4:"expr";s:60:"CASE WHEN 1=1 THEN "Some" WHEN 2=1 THEN "Other" END AS `foo`";}}s:4:"from";a:1:{i:0;O:42:"PhpMyAdmin\SqlParser\Components\Expression":7:{s:8:"database";N;s:5:"table";s:1:"a";s:6:"column";N;s:4:"expr";s:1:"a";s:5:"alias";N;s:8:"function";N;s:8:"subquery";N;}}s:9:"partition";N;s:5:"where";N;s:5:"group";N;s:6:"having";N;s:5:"order";N;s:5:"limit";N;s:9:"procedure";N;s:4:"into";N;s:4:"join";N;s:5:"union";a:0:{}s:11:"end_options";N;s:7:"options";O:44:"PhpMyAdmin\SqlParser\Components\OptionsArray":1:{s:7:"options";a:0:{}}s:5:"first";i:0;s:4:"last";i:63;}}s:8:"brackets";i:0;s:6:"strict";b:0;s:6:"errors";a:0:{}}s:6:"errors";a:2:{s:5:"lexer";a:0:{}s:6:"parser";a:0:{}}}
2 changes: 2 additions & 0 deletions tests/data/parser/parseSelectCaseAlias2.in
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
select (SELECT name FROM mysql.help_category WHERE help_category_id = 1) as name,
case /* */ when 1=1 then "Some" when 2=1 then "Other" end /* */ foo FROM a;
Loading

0 comments on commit c8febda

Please sign in to comment.