On Sat, 18 Jun 2011 17:01:41 +1000, Zettai Muri
<zettaim...@gmail.com> wrote:
>Hi All,
>
>Could someone tell me how to use bound parameters with LIKE and where
>the % wildcards should be placed?
>
>I currently have the following code extract:
>char *sql = "SELECT * FROM foo WHERE name LIKE :bp";
>
>rc = sqlite3_prepare_v2(db, sql, strlen(sql), &stmt, &tail);
>sqlite3_bind_text( stmt,
> sqlite3_bind_parameter_index(stmt, "%:bp%"),
> "bar",
> -1,
> SQLITE_TRANSIENT );
>
>It compiles but doesn't return any results.
>
>If I directly query the database using:
>SELECT * FROM foo WHERE name LIKE %bar%;
>
>This returns results.
Have the C program include the % in the text parameter:
sqlite3_bind_text( stmt,
sqlite3_bind_parameter_index(stmt, "%:bp%"),
"%bar%", ......
Or rewrite the SQL as
char *sql = "SELECT * FROM foo WHERE name LIKE '%' || :bp || '%'";
--
( Kees Nuyt
)
c[_]
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