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mysql split explode

Enrybi answered on April 7, 2022 Popularity 10/10 Helpfulness 1/10

answer mysql split explode

related String split in MySQL

mysql split explode

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DELIMITER $$

DROP PROCEDURE IF EXISTS explode_table $$
CREATE PROCEDURE explode_table(bound VARCHAR(255))

  BEGIN

    DECLARE id INT DEFAULT 0;
    DECLARE value TEXT;
    DECLARE occurance INT DEFAULT 0;
    DECLARE i INT DEFAULT 0;
    DECLARE splitted_value INT;
    DECLARE done INT DEFAULT 0;
    DECLARE cur1 CURSOR FOR SELECT table1.id, table1.value
                                         FROM table1
                                         WHERE table1.value != '';
    DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1;

    DROP TEMPORARY TABLE IF EXISTS table2;
    CREATE TEMPORARY TABLE table2(
    `id` INT NOT NULL,
    `value` VARCHAR(255) NOT NULL
    ) ENGINE=Memory;

    OPEN cur1;
      read_loop: LOOP
        FETCH cur1 INTO id, value;
        IF done THEN
          LEAVE read_loop;
        END IF;

        SET occurance = (SELECT LENGTH(value)
                                 - LENGTH(REPLACE(value, bound, ''))
                                 +1);
        SET i=1;
        WHILE i <= occurance DO
          SET splitted_value =
          (SELECT REPLACE(SUBSTRING(SUBSTRING_INDEX(value, bound, i),
          LENGTH(SUBSTRING_INDEX(value, bound, i - 1)) + 1), ',', ''));

          INSERT INTO table2 VALUES (id, splitted_value);
          SET i = i + 1;

        END WHILE;
      END LOOP;

      SELECT * FROM table2;
    CLOSE cur1;
  END; $$

Popularity 10/10 Helpfulness 1/10 Language sql

Source: www.marcogoncalves.com

Tags: explode mysql sql

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Contributed on Apr 07 2022

Enrybi

0 Answers Avg Quality 2/10

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String split in MySQL

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SELECT SUBSTRING_INDEX(SUBSTRING_INDEX(colors, ',', 1), ',', -1) as colorfirst,
       SUBSTRING_INDEX(SUBSTRING_INDEX(colors, ',', 2), ',', -1) as colorsecond
....
       SUBSTRING_INDEX(SUBSTRING_INDEX(colors, ',', n), ',', -1) as colornth
  FROM product;

Popularity 8/10 Helpfulness 4/10 Language sql

Source: stackoverflow.com

Tags: mysql sql

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Contributed on Apr 25 2023

Xerothermic Xenomorph

0 Answers Avg Quality 2/10

mysql split explode

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mysql split explode

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String split in MySQL

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