Mysql Instr support

Author: Jan Haitjema

README.md

@@ -19,7 +19,7 @@ functions available in MySQL, Oracle, Sqlite and PostgreSQL.
 
 | DB | Functions |
 |:--:|:---------:|
-| MySQL | `ACOS, AES_DECRYPT, AES_ENCRYPT, ANY_VALUE, ASCII, ASIN, ATAN, ATAN2, BINARY, BIT_COUNT, BIT_XOR, CEIL, CHAR_LENGTH, COLLATE, CONCAT_WS, CONVERT_TZ, COS, COT, COUNTIF, CRC32, DATE, DATE_FORMAT, DATEADD, DATEDIFF, DATESUB, DAY, DAYNAME, DAYOFWEEK, DAYOFYEAR, DEGREES, DIV, EXP, EXTRACT, FIELD, FIND_IN_SET, FLOOR, FROM_UNIXTIME, GREATEST, GROUP_CONCAT, HEX, HOUR, IFELSE, IFNULL, LAST_DAY, LEAST, LOG, LOG10, LOG2, LPAD, MATCH, MD5, MINUTE, MONTH, MONTHNAME, NOW, NULLIF, PI, POWER, QUARTER, RADIANS, RAND, REGEXP, REPLACE, ROUND, RPAD, SECOND, SECTOTIME, SHA1, SHA2, SIN, SOUNDEX, STD, STDDEV, STRTODATE, STR_TO_DATE, SUBSTRING_INDEX, TAN, TIME, TIMEDIFF, TIMESTAMPADD, TIMESTAMPDIFF, TIMETOSEC, UNHEX, UNIX_TIMESTAMP, UTC_TIMESTAMP, UUID_SHORT, VARIANCE, WEEK, WEEKDAY, YEAR, YEARMONTH, YEARWEEK` |
+| MySQL | `ACOS, AES_DECRYPT, AES_ENCRYPT, ANY_VALUE, ASCII, ASIN, ATAN, ATAN2, BINARY, BIT_COUNT, BIT_XOR, CEIL, CHAR_LENGTH, COLLATE, CONCAT_WS, CONVERT_TZ, COS, COT, COUNTIF, CRC32, DATE, DATE_FORMAT, DATEADD, DATEDIFF, DATESUB, DAY, DAYNAME, DAYOFWEEK, DAYOFYEAR, DEGREES, DIV, EXP, EXTRACT, FIELD, FIND_IN_SET, FLOOR, FROM_UNIXTIME, GREATEST, GROUP_CONCAT, HEX, HOUR, IFELSE, IFNULL, INSTR, LAST_DAY, LEAST, LOG, LOG10, LOG2, LPAD, MATCH, MD5, MINUTE, MONTH, MONTHNAME, NOW, NULLIF, PI, POWER, QUARTER, RADIANS, RAND, REGEXP, REPLACE, ROUND, RPAD, SECOND, SECTOTIME, SHA1, SHA2, SIN, SOUNDEX, STD, STDDEV, STRTODATE, STR_TO_DATE, SUBSTRING_INDEX, TAN, TIME, TIMEDIFF, TIMESTAMPADD, TIMESTAMPDIFF, TIMETOSEC, UNHEX, UNIX_TIMESTAMP, UTC_TIMESTAMP, UUID_SHORT, VARIANCE, WEEK, WEEKDAY, YEAR, YEARMONTH, YEARWEEK` |
 | Oracle | `DAY, LISTAGG, MONTH, NVL, TO_CHAR, TO_DATE, TRUNC, YEAR` |
 | Sqlite | `DATE, MINUTE, HOUR, DAY, WEEK, WEEKDAY, MONTH, YEAR, STRFTIME, DATE_FORMAT*, CASE WHEN THEN ELSE END, IFNULL, REPLACE, ROUND` |
 | PostgreSQL | `TO_DATE, TO_CHAR, AT_TIME_ZONE, COUNT_FILTER, STRING_AGG` |

config/mysql.yml

@@ -83,6 +83,7 @@ doctrine:
                  group_concat: DoctrineExtensions\Query\Mysql\GroupConcat
                  ifelse: DoctrineExtensions\Query\Mysql\IfElse
                  ifnull: DoctrineExtensions\Query\Mysql\IfNull
+                 instr: DoctrineExtensions\Query\Mysql\Instr
                  least: DoctrineExtensions\Query\Mysql\Least
                  lpad: DoctrineExtensions\Query\Mysql\Lpad
                  match: DoctrineExtensions\Query\Mysql\MatchAgainst

src/Query/Mysql/Instr.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace DoctrineExtensions\Query\Mysql;
+
+use  Doctrine\ORM\Query\AST\Functions\FunctionNode;
+use  Doctrine\ORM\Query\Lexer;
+use  Doctrine\ORM\Query\Parser;
+use  Doctrine\ORM\Query\SqlWalker;
+
+/**
+ * Class Instr
+ * @package DoctrineExtensions\Query\Mysql
+ * @author Jan H <[email protected]>
+ */
+class Instr extends FunctionNode
+{
+    public $originalString = null;
+    public $subString = null;
+
+    /**
+     * @param \Doctrine\ORM\Query\Parser $parser
+     */
+    public function parse(Parser $parser)
+    {
+        $parser->match(Lexer::T_IDENTIFIER);
+        $parser->match(Lexer::T_OPEN_PARENTHESIS);
+        $this->originalString = $parser->ArithmeticPrimary();
+        $parser->match(Lexer::T_COMMA);
+        $this->subString = $parser->ArithmeticPrimary();
+        $parser->match(Lexer::T_CLOSE_PARENTHESIS);
+    }
+
+    /**
+     * @param \Doctrine\ORM\Query\SqlWalker $sqlWalker
+     * @return string
+     */
+    public function getSql(SqlWalker $sqlWalker)
+    {
+        return sprintf('INSTR(%s, %s)',
+            $this->originalString->dispatch($sqlWalker),
+            $this->subString->dispatch($sqlWalker)
+        );
+    }
+}

tests/Query/Mysql/StringTest.php

@@ -179,4 +179,14 @@ public function testRpad()
             $q->getSql()
         );
     }
+
+  /**
+   * Test cases for MYSQL INSTR function.
+   */
+  public function testInstr()
+  {
+    $q = $this->entityManager->createQuery("SELECT INSTR('www.mysql.com', 'mysql') from DoctrineExtensions\Tests\Entities\Blank");
+    $this->assertEquals("SELECT INSTR('www.mysql.com', 'mysql') AS sclr_0 FROM Blank b0_", $q->getSql());
+  }
+
 }