MySQL UNCOMPRESSED_LENGTH() function
UNCOMPRESSED_LENGTH() function
MySQL UNCOMPRESSED_LENGTH() returns the length of the string before it had been compressed.
Syntax:
UNCOMPRESSED_LENGTH(string)
Argument:
Name | Description |
---|---|
str | A compressed string. |
Syntax Diagram:

MySQL Version: 8.0
Example:
Code:
SELECT UNCOMPRESSED_LENGTH(COMPRESS('w3resource'));
Explanation
The above MySQL statement returns 10, which is the length of the original string w3resource.
Output:
mysql> SELECT UNCOMPRESSED_LENGTH(COMPRESS('w3resource')); +---------------------------------------------+ | UNCOMPRESSED_LENGTH(COMPRESS('w3resource')) | +---------------------------------------------+ | 10 | +---------------------------------------------+ 1 row in set (0.00 sec)
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Next: MySQL Bit functions BIT_COUNT
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