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50 lines
1.4 KiB
50 lines
1.4 KiB
https://sqlite.org/src/info/e8275b415a2f03bee
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https://sqlite.org/src/info/7fc2994434c7d9ed
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--- /src/select.c
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+++ /src/select.c
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@@ -2318,6 +2318,13 @@
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Expr *pLimit; /* Saved LIMIT and OFFSET */
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int regLimit, regOffset; /* Registers used by LIMIT and OFFSET */
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+#ifndef SQLITE_OMIT_WINDOWFUNC
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+ if( p->pWin ){
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+ sqlite3ErrorMsg(pParse, "cannot use window functions in recursive queries");
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+ return;
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+ }
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+#endif
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+
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/* Obtain authorization to do a recursive query */
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if( sqlite3AuthCheck(pParse, SQLITE_RECURSIVE, 0, 0, 0) ) return;
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--- /test/with1.test
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+++ /test/with1.test
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@@ -865,6 +865,27 @@
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SELECT * FROM i;
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} {1 {recursive aggregate queries not supported}}
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+# Or window-function recursive queries. Ticket e8275b41.
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+#
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+ifcapable windowfunc {
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+ do_catchsql_test 16.2 {
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+ WITH RECURSIVE
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+ i(x) AS (VALUES(1) UNION SELECT count(*) OVER () FROM i)
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+ SELECT * FROM i;
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+ } {1 {cannot use window functions in recursive queries}}
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+ do_catchsql_test 16.3 {
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+ WITH RECURSIVE
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+ t(id, parent) AS (VALUES(1,2)),
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+ q(id, parent, rn) AS (
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+ VALUES(1,2,3)
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+ UNION ALL
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+ SELECT t.*, ROW_NUMBER() OVER (ORDER BY t.id) AS rn
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+ FROM q JOIN t ON t.parent = q.id
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+ )
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+ SELECT * FROM q;
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+ } {1 {cannot use window functions in recursive queries}}
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+}
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+
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#-------------------------------------------------------------------------
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do_execsql_test 17.1 {
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WITH x(a) AS (
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