Import SQLite 3.8.7.4.

third_party/sqlite/src/test/limit.test

 # 2001 November 6
 #
 # The author disclaims copyright to this source code.  In place of
 # a legal notice, here is a blessing:
 #
 #    May you do good and not evil.
 #    May you find forgiveness for yourself and forgive others.
 #    May you share freely, never taking more than you give.
 #
 #***********************************************************************
@@ skipping 450 matching lines @@
   catchsql {
      SELECT * FROM t1 LIMIT x
   }
 } {1 {no such column: x}}
 do_test limit-12.4 {
   catchsql {
      SELECT * FROM t1 LIMIT 1 OFFSET x
   }
 } {1 {no such column: x}}
 
+# Ticket [db4d96798da8b]
+# LIMIT does not work with nested views containing UNION ALL 
+#
+do_test limit-13.1 {
+  db eval {
+    CREATE TABLE t13(x);
+    INSERT INTO t13 VALUES(1),(2);
+    CREATE VIEW v13a AS SELECT x AS y FROM t13;
+    CREATE VIEW v13b AS SELECT y AS z FROM v13a UNION ALL SELECT y+10 FROM v13a;
+    CREATE VIEW v13c AS SELECT z FROM v13b UNION ALL SELECT z+20 FROM v13b;
+  }
+} {}
+do_test limit-13.2 {
+  db eval {SELECT z FROM v13c LIMIT 1}
+} {1}
+do_test limit-13.3 {
+  db eval {SELECT z FROM v13c LIMIT 2}
+} {1 2}
+do_test limit-13.4 {
+  db eval {SELECT z FROM v13c LIMIT 3}
+} {1 2 11}
+do_test limit-13.5 {
+  db eval {SELECT z FROM v13c LIMIT 4}
+} {1 2 11 12}
+do_test limit-13.6 {
+  db eval {SELECT z FROM v13c LIMIT 5}
+} {1 2 11 12 21}
+do_test limit-13.7 {
+  db eval {SELECT z FROM v13c LIMIT 6}
+} {1 2 11 12 21 22}
+do_test limit-13.8 {
+  db eval {SELECT z FROM v13c LIMIT 7}
+} {1 2 11 12 21 22 31}
+do_test limit-13.9 {
+  db eval {SELECT z FROM v13c LIMIT 8}
+} {1 2 11 12 21 22 31 32}
+do_test limit-13.10 {
+  db eval {SELECT z FROM v13c LIMIT 9}
+} {1 2 11 12 21 22 31 32}
+do_test limit-13.11 {
+  db eval {SELECT z FROM v13c LIMIT 1 OFFSET 1}
+} {2}
+do_test limit-13.12 {
+  db eval {SELECT z FROM v13c LIMIT 2 OFFSET 1}
+} {2 11}
+do_test limit-13.13 {
+  db eval {SELECT z FROM v13c LIMIT 3 OFFSET 1}
+} {2 11 12}
+do_test limit-13.14 {
+  db eval {SELECT z FROM v13c LIMIT 4 OFFSET 1}
+} {2 11 12 21}
+do_test limit-13.15 {
+  db eval {SELECT z FROM v13c LIMIT 5 OFFSET 1}
+} {2 11 12 21 22}
+do_test limit-13.16 {
+  db eval {SELECT z FROM v13c LIMIT 6 OFFSET 1}
+} {2 11 12 21 22 31}
+do_test limit-13.17 {
+  db eval {SELECT z FROM v13c LIMIT 7 OFFSET 1}
+} {2 11 12 21 22 31 32}
+do_test limit-13.18 {
+  db eval {SELECT z FROM v13c LIMIT 8 OFFSET 1}
+} {2 11 12 21 22 31 32}
+do_test limit-13.21 {
+  db eval {SELECT z FROM v13c LIMIT 1 OFFSET 2}
+} {11}
+do_test limit-13.22 {
+  db eval {SELECT z FROM v13c LIMIT 2 OFFSET 2}
+} {11 12}
+do_test limit-13.23 {
+  db eval {SELECT z FROM v13c LIMIT 3 OFFSET 2}
+} {11 12 21}
+do_test limit-13.24 {
+  db eval {SELECT z FROM v13c LIMIT 4 OFFSET 2}
+} {11 12 21 22}
+do_test limit-13.25 {
+  db eval {SELECT z FROM v13c LIMIT 5 OFFSET 2}
+} {11 12 21 22 31}
+do_test limit-13.26 {
+  db eval {SELECT z FROM v13c LIMIT 6 OFFSET 2}
+} {11 12 21 22 31 32}
+do_test limit-13.27 {
+  db eval {SELECT z FROM v13c LIMIT 7 OFFSET 2}
+} {11 12 21 22 31 32}
+do_test limit-13.31 {
+  db eval {SELECT z FROM v13c LIMIT 1 OFFSET 3}
+} {12}
+do_test limit-13.32 {
+  db eval {SELECT z FROM v13c LIMIT 2 OFFSET 3}
+} {12 21}
+do_test limit-13.33 {
+  db eval {SELECT z FROM v13c LIMIT 3 OFFSET 3}
+} {12 21 22}
+do_test limit-13.34 {
+  db eval {SELECT z FROM v13c LIMIT 4 OFFSET 3}
+} {12 21 22 31}
+do_test limit-13.35 {
+  db eval {SELECT z FROM v13c LIMIT 5 OFFSET 3}
+} {12 21 22 31 32}
+do_test limit-13.36 {
+  db eval {SELECT z FROM v13c LIMIT 6 OFFSET 3}
+} {12 21 22 31 32}
+do_test limit-13.41 {
+  db eval {SELECT z FROM v13c LIMIT 1 OFFSET 4}
+} {21}
+do_test limit-13.42 {
+  db eval {SELECT z FROM v13c LIMIT 2 OFFSET 4}
+} {21 22}
+do_test limit-13.43 {
+  db eval {SELECT z FROM v13c LIMIT 3 OFFSET 4}
+} {21 22 31}
+do_test limit-13.44 {
+  db eval {SELECT z FROM v13c LIMIT 4 OFFSET 4}
+} {21 22 31 32}
+do_test limit-13.45 {
+  db eval {SELECT z FROM v13c LIMIT 5 OFFSET 4}
+} {21 22 31 32}
+do_test limit-13.51 {
+  db eval {SELECT z FROM v13c LIMIT 1 OFFSET 5}
+} {22}
+do_test limit-13.52 {
+  db eval {SELECT z FROM v13c LIMIT 2 OFFSET 5}
+} {22 31}
+do_test limit-13.53 {
+  db eval {SELECT z FROM v13c LIMIT 3 OFFSET 5}
+} {22 31 32}
+do_test limit-13.54 {
+  db eval {SELECT z FROM v13c LIMIT 4 OFFSET 5}
+} {22 31 32}
+do_test limit-13.61 {
+  db eval {SELECT z FROM v13c LIMIT 1 OFFSET 6}
+} {31}
+do_test limit-13.62 {
+  db eval {SELECT z FROM v13c LIMIT 2 OFFSET 6}
+} {31 32}
+do_test limit-13.63 {
+  db eval {SELECT z FROM v13c LIMIT 3 OFFSET 6}
+} {31 32}
+do_test limit-13.71 {
+  db eval {SELECT z FROM v13c LIMIT 1 OFFSET 7}
+} {32}
+do_test limit-13.72 {
+  db eval {SELECT z FROM v13c LIMIT 2 OFFSET 7}
+} {32}
+do_test limit-13.81 {
+  db eval {SELECT z FROM v13c LIMIT 1 OFFSET 8}
+} {}
+
+do_execsql_test limit-14.1 {
+  SELECT 123 LIMIT 1 OFFSET 0
+} {123}
+do_execsql_test limit-14.2 {
+  SELECT 123 LIMIT 1 OFFSET 1
+} {}
+do_execsql_test limit-14.3 {
+  SELECT 123 LIMIT 0 OFFSET 0
+} {}
+do_execsql_test limit-14.4 {
+  SELECT 123 LIMIT 0 OFFSET 1
+} {}
+do_execsql_test limit-14.6 {
+  SELECT 123 LIMIT -1 OFFSET 0
+} {123}
+do_execsql_test limit-14.7 {
+  SELECT 123 LIMIT -1 OFFSET 1
+} {}
+
 
 finish_test