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Fix issue with parsing TRUNCATE statements, Issue #221 #222

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Merged
merged 1 commit into from
Oct 28, 2019
Merged

Fix issue with parsing TRUNCATE statements, Issue #221 #222

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14 changes: 9 additions & 5 deletions src/Statement.php
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Original file line number Diff line number Diff line change
Expand Up @@ -320,11 +320,15 @@ public function parse(Parser $parser, TokensList $list)
}

// Checking if this is the beginning of a clause.
if (! empty(Parser::$KEYWORD_PARSERS[$token->value]) && $list->idx < $list->count) {
$class = Parser::$KEYWORD_PARSERS[$token->value]['class'];
$field = Parser::$KEYWORD_PARSERS[$token->value]['field'];
if (! empty(Parser::$KEYWORD_PARSERS[$token->value]['options'])) {
$options = Parser::$KEYWORD_PARSERS[$token->value]['options'];
// Fix Issue #221: As `truncate` is not a keyword
// but it might be the beginning of a statement of truncate,
// so let the value use the keyword field for truncate type.
$token_value = in_array($token->keyword, ['TRUNCATE']) ? $token->keyword : $token->value;
if (! empty(Parser::$KEYWORD_PARSERS[$token_value]) && $list->idx < $list->count) {
$class = Parser::$KEYWORD_PARSERS[$token_value]['class'];
$field = Parser::$KEYWORD_PARSERS[$token_value]['field'];
if (! empty(Parser::$KEYWORD_PARSERS[$token_value]['options'])) {
$options = Parser::$KEYWORD_PARSERS[$token_value]['options'];
}
}

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10 changes: 10 additions & 0 deletions src/Statements/TruncateStatement.php
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Original file line number Diff line number Diff line change
Expand Up @@ -33,4 +33,14 @@ class TruncateStatement extends Statement
* @var Expression
*/
public $table;

/**
* Special build method for truncate statement as Statement::build would return empty string.
*
* @return string
*/
public function build()
{
return 'TRUNCATE TABLE ' . $this->table . ';';
}
}