How could I select a column based on another column in mySQL?
up vote
1
down vote
favorite
The following script works fine. But I want to write it in one line rather than three lines. 'Size" is passed from my main program and its used here to test. Simply I want to get Price based on size.
Table columns :
LISTING_ID, PRICE_LARGE_PRICE, PRICE_SMALL_PRICE.
SET @Size = 'SMALL';
SELECT
PRICE_LARGE_PRICE,PRICE_SMALL_PRICE
INTO
@PRICE_LARGE_PRICE,@PRICE_SMALL_PRICE
FROM
prices
WHERE
PRICE_LISTING_ID = 60;
SET @ITEM_PRICE = (CASE @Size WHEN 'REGULAR' THEN @PRICE_LARGE_PRICE
WHEN 'SMALL' THEN @PRICE_SMALL_PRICE
ELSE null
END);
SELECT @ITEM_PRICE;
Any help is appreciated.
mysql select case case-when
add a comment |
up vote
1
down vote
favorite
The following script works fine. But I want to write it in one line rather than three lines. 'Size" is passed from my main program and its used here to test. Simply I want to get Price based on size.
Table columns :
LISTING_ID, PRICE_LARGE_PRICE, PRICE_SMALL_PRICE.
SET @Size = 'SMALL';
SELECT
PRICE_LARGE_PRICE,PRICE_SMALL_PRICE
INTO
@PRICE_LARGE_PRICE,@PRICE_SMALL_PRICE
FROM
prices
WHERE
PRICE_LISTING_ID = 60;
SET @ITEM_PRICE = (CASE @Size WHEN 'REGULAR' THEN @PRICE_LARGE_PRICE
WHEN 'SMALL' THEN @PRICE_SMALL_PRICE
ELSE null
END);
SELECT @ITEM_PRICE;
Any help is appreciated.
mysql select case case-when
add a comment |
up vote
1
down vote
favorite
up vote
1
down vote
favorite
The following script works fine. But I want to write it in one line rather than three lines. 'Size" is passed from my main program and its used here to test. Simply I want to get Price based on size.
Table columns :
LISTING_ID, PRICE_LARGE_PRICE, PRICE_SMALL_PRICE.
SET @Size = 'SMALL';
SELECT
PRICE_LARGE_PRICE,PRICE_SMALL_PRICE
INTO
@PRICE_LARGE_PRICE,@PRICE_SMALL_PRICE
FROM
prices
WHERE
PRICE_LISTING_ID = 60;
SET @ITEM_PRICE = (CASE @Size WHEN 'REGULAR' THEN @PRICE_LARGE_PRICE
WHEN 'SMALL' THEN @PRICE_SMALL_PRICE
ELSE null
END);
SELECT @ITEM_PRICE;
Any help is appreciated.
mysql select case case-when
The following script works fine. But I want to write it in one line rather than three lines. 'Size" is passed from my main program and its used here to test. Simply I want to get Price based on size.
Table columns :
LISTING_ID, PRICE_LARGE_PRICE, PRICE_SMALL_PRICE.
SET @Size = 'SMALL';
SELECT
PRICE_LARGE_PRICE,PRICE_SMALL_PRICE
INTO
@PRICE_LARGE_PRICE,@PRICE_SMALL_PRICE
FROM
prices
WHERE
PRICE_LISTING_ID = 60;
SET @ITEM_PRICE = (CASE @Size WHEN 'REGULAR' THEN @PRICE_LARGE_PRICE
WHEN 'SMALL' THEN @PRICE_SMALL_PRICE
ELSE null
END);
SELECT @ITEM_PRICE;
Any help is appreciated.
mysql select case case-when
mysql select case case-when
asked Nov 21 at 15:30
PCG
85111
85111
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
up vote
1
down vote
accepted
Following may work.
SET @Size = 'SMALL';
SELECT
PRICE_LARGE_PRICE,
PRICE_SMALL_PRICE,
CASE WHEN @Size = 'REGULAR' THEN PRICE_LARGE_PRICE
WHEN @Size = 'SMALL' THEN PRICE_SMALL_PRICE
END AS ITEM_PRICE
INTO
@PRICE_LARGE_PRICE,
@PRICE_SMALL_PRICE,
@ITEM_PRICE
FROM
prices
WHERE
PRICE_LISTING_ID = 60;
add a comment |
up vote
1
down vote
I think you want
SELECT
IF(@size == 'SMALL', PRICE_SMALL_PRICE, PRICE_LARGE_PRICE) AS ITEM_PRICE
FROM prices;
add a comment |
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
1
down vote
accepted
Following may work.
SET @Size = 'SMALL';
SELECT
PRICE_LARGE_PRICE,
PRICE_SMALL_PRICE,
CASE WHEN @Size = 'REGULAR' THEN PRICE_LARGE_PRICE
WHEN @Size = 'SMALL' THEN PRICE_SMALL_PRICE
END AS ITEM_PRICE
INTO
@PRICE_LARGE_PRICE,
@PRICE_SMALL_PRICE,
@ITEM_PRICE
FROM
prices
WHERE
PRICE_LISTING_ID = 60;
add a comment |
up vote
1
down vote
accepted
Following may work.
SET @Size = 'SMALL';
SELECT
PRICE_LARGE_PRICE,
PRICE_SMALL_PRICE,
CASE WHEN @Size = 'REGULAR' THEN PRICE_LARGE_PRICE
WHEN @Size = 'SMALL' THEN PRICE_SMALL_PRICE
END AS ITEM_PRICE
INTO
@PRICE_LARGE_PRICE,
@PRICE_SMALL_PRICE,
@ITEM_PRICE
FROM
prices
WHERE
PRICE_LISTING_ID = 60;
add a comment |
up vote
1
down vote
accepted
up vote
1
down vote
accepted
Following may work.
SET @Size = 'SMALL';
SELECT
PRICE_LARGE_PRICE,
PRICE_SMALL_PRICE,
CASE WHEN @Size = 'REGULAR' THEN PRICE_LARGE_PRICE
WHEN @Size = 'SMALL' THEN PRICE_SMALL_PRICE
END AS ITEM_PRICE
INTO
@PRICE_LARGE_PRICE,
@PRICE_SMALL_PRICE,
@ITEM_PRICE
FROM
prices
WHERE
PRICE_LISTING_ID = 60;
Following may work.
SET @Size = 'SMALL';
SELECT
PRICE_LARGE_PRICE,
PRICE_SMALL_PRICE,
CASE WHEN @Size = 'REGULAR' THEN PRICE_LARGE_PRICE
WHEN @Size = 'SMALL' THEN PRICE_SMALL_PRICE
END AS ITEM_PRICE
INTO
@PRICE_LARGE_PRICE,
@PRICE_SMALL_PRICE,
@ITEM_PRICE
FROM
prices
WHERE
PRICE_LISTING_ID = 60;
answered Nov 21 at 19:42
Madhur Bhaiya
19.1k62236
19.1k62236
add a comment |
add a comment |
up vote
1
down vote
I think you want
SELECT
IF(@size == 'SMALL', PRICE_SMALL_PRICE, PRICE_LARGE_PRICE) AS ITEM_PRICE
FROM prices;
add a comment |
up vote
1
down vote
I think you want
SELECT
IF(@size == 'SMALL', PRICE_SMALL_PRICE, PRICE_LARGE_PRICE) AS ITEM_PRICE
FROM prices;
add a comment |
up vote
1
down vote
up vote
1
down vote
I think you want
SELECT
IF(@size == 'SMALL', PRICE_SMALL_PRICE, PRICE_LARGE_PRICE) AS ITEM_PRICE
FROM prices;
I think you want
SELECT
IF(@size == 'SMALL', PRICE_SMALL_PRICE, PRICE_LARGE_PRICE) AS ITEM_PRICE
FROM prices;
edited Nov 22 at 15:07
PCG
85111
85111
answered Nov 21 at 17:10
Evert
40k1568123
40k1568123
add a comment |
add a comment |
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