INSTR
Warning
SingleStore 9.0 gives you the opportunity to preview, evaluate, and provide feedback on new and upcoming features prior to their general availability. In the interim, SingleStore 8.9 is recommended for production workloads, which can later be upgraded to SingleStore 9.0.
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Returns the first position of the given search string.
Syntax
INSTR (str, searchstr)
Arguments
-
str
: any string or binary object -
searchstr
: string to search for
Note
This function is identical to LOCATE but with the arguments reversed.
Return Type
Integer position, one-indexed.
Examples
SELECT INSTR('ohai', 'i');
+--------------------+
| INSTR('ohai', 'i') |
+--------------------+
| 4 |
+--------------------+
SELECT INSTR('ohai', 'z');
+--------------------+
| INSTR('ohai', 'z') |
+--------------------+
| 0 |
+--------------------+
Caution
Implicit Collation
When character_
is set to utf8
, string literals with characters using 4-byte encoding are implicitly assigned binary collation and processed as a sequence of bytes rather than characters.utf8mb4
character set.
For more information, refer to Implicit Collation in Special Cases.
Last modified: April 4, 2023