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update parser_sql

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This commit is contained in:
shreesh arora
2021-05-03 01:06:30 +05:30
parent b7ef2391cc
commit d91def3d84
172 changed files with 8743 additions and 2571 deletions
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40
tools/parser_sql/utils/ExpressionToken.php
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@@ -1,6 +1,9 @@
<?php
require_once dirname(__FILE__) . '/ExpressionType.php';
namespace PHPSQLParser\utils;
use PHPSQLParser\Options;
use PHPSQLParser\processors\DefaultProcessor;
class ExpressionToken {
@@ -30,7 +33,7 @@ class ExpressionToken {
}
public function isEnclosedWithinParenthesis() {
return ($this->upper[0] === '(' && substr($this->upper, -1) === ')');
return (!empty( $this->upper ) && $this->upper[0] === '(' && substr($this->upper, -1) === ')');
}
public function setSubTree($tree) {
@@ -53,10 +56,10 @@ class ExpressionToken {
return $idx !== false ? $this->token[$idx] : $this->token;
}
public function setNoQuotes($token, $qchars = '`') {
$this->noQuotes = ($token === null) ? null : $this->revokeQuotation($token, $qchars);
public function setNoQuotes($token, $qchars, Options $options) {
$this->noQuotes = ($token === null) ? null : $this->revokeQuotation($token, $options);
}
public function setTokenType($type) {
$this->tokenType = $type;
}
@@ -84,7 +87,7 @@ class ExpressionToken {
}
public function isSubQueryToken() {
return preg_match("/^\\(\\s*SELECT/i", $this->trim);
return preg_match("/^\\(\\s*(-- [\\w\\s]+\\n)?\\s*SELECT/i", $this->trim);
}
public function isExpression() {
@@ -114,11 +117,15 @@ class ExpressionToken {
public function isVariable() {
return $this->tokenType === ExpressionType::GLOBAL_VARIABLE || $this->tokenType === ExpressionType::LOCAL_VARIABLE || $this->tokenType === ExpressionType::USER_VARIABLE;
}
public function isAggregateFunction() {
return $this->tokenType === ExpressionType::AGGREGATE_FUNCTION;
}
public function isCustomFunction() {
return $this->tokenType === ExpressionType::CUSTOM_FUNCTION;
}
public function isColumnReference() {
return $this->tokenType === ExpressionType::COLREF;
}
@@ -135,28 +142,21 @@ class ExpressionToken {
return $this->tokenType === ExpressionType::SUBQUERY;
}
private function revokeQuotation($token, $qchars = '`') {
$result = trim($token);
for ($i = 0; $i < strlen($qchars); $i++) {
$quote = $qchars[$i];
if (($result[0] === $quote) && ($result[strlen($result) - 1] === $quote)) {
$result = substr($result, 1, -1);
return trim(str_replace($quote.$quote, $quote, $result));
}
}
return $token;
private function revokeQuotation($token, Options $options) {
$defProc = new DefaultProcessor($options);
return $defProc->revokeQuotation($token);
}
public function toArray() {
$result = array();
$result['expr_type'] = $this->tokenType;
$result['base_expr'] = $this->token;
if (!empty($this->noQuotes)) {
$result['no_quotes'] = $this->noQuotes;
$result['no_quotes'] = $this->noQuotes;
}
$result['sub_tree'] = $this->subTree;
return $result;
}
}
?>
?>