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plugins/sql: allow some simple functions.

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And document them!

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2023-01-30 16:54:18 +10:30
committed by Alex Myers
parent 14aac0769c
commit 9a591277f5
3 changed files with 84 additions and 3 deletions
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32
plugins/sql.c
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@@ -264,6 +264,38 @@ static int sqlite_authorize(void *dbq_, int code,
return SQLITE_OK;
}
/* Some functions are fairly necessary: */
if (code == SQLITE_FUNCTION) {
if (streq(b, "abs"))
return SQLITE_OK;
if (streq(b, "avg"))
return SQLITE_OK;
if (streq(b, "coalesce"))
return SQLITE_OK;
if (streq(b, "count"))
return SQLITE_OK;
if (streq(b, "hex"))
return SQLITE_OK;
if (streq(b, "quote"))
return SQLITE_OK;
if (streq(b, "length"))
return SQLITE_OK;
if (streq(b, "like"))
return SQLITE_OK;
if (streq(b, "lower"))
return SQLITE_OK;
if (streq(b, "upper"))
return SQLITE_OK;
if (streq(b, "min"))
return SQLITE_OK;
if (streq(b, "max"))
return SQLITE_OK;
if (streq(b, "sum"))
return SQLITE_OK;
if (streq(b, "total"))
return SQLITE_OK;
}
/* See https://www.sqlite.org/c3ref/c_alter_table.html to decode these! */
dbq->authfail = tal_fmt(dbq, "Unauthorized: %u arg1=%s arg2=%s dbname=%s caller=%s",
code,