# 2015-08-19
#
# 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.
#
#***********************************************************************
# 
# This file implements tests for table-valued-functions implemented using
# eponymous virtual tables.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix tabfunc01

ifcapable !vtab {
  finish_test
  return
}
load_static_extension db series

do_execsql_test tabfunc01-1.1 {
  SELECT *, '|' FROM generate_series WHERE start=1 AND stop=9 AND step=2;
} {1 | 3 | 5 | 7 | 9 |}
do_execsql_test tabfunc01-1.2 {
  SELECT *, '|' FROM generate_series LIMIT 5;
} {0 | 1 | 2 | 3 | 4 |}
do_catchsql_test tabfunc01-1.3 {
  CREATE VIRTUAL TABLE t1 USING generate_series;
} {1 {no such module: generate_series}}
do_execsql_test tabfunc01-1.4 {
  SELECT * FROM generate_series(1,9,2);
} {1 3 5 7 9}
do_execsql_test tabfunc01-1.5 {
  SELECT * FROM generate_series(1,9);
} {1 2 3 4 5 6 7 8 9}
do_execsql_test tabfunc01-1.6 {
  SELECT * FROM generate_series(1,10) WHERE step=3;
} {1 4 7 10}
do_catchsql_test tabfunc01-1.7 {
  SELECT * FROM generate_series(1,9,2,11);
} {1 {too many arguments on generate_series - max 3}}

do_execsql_test tabfunc01-1.8 {
  SELECT * FROM generate_series(0,32,5) ORDER BY rowid DESC;
} {30 25 20 15 10 5 0}
do_execsql_test tabfunc01-1.9 {
  SELECT rowid, * FROM generate_series(0,32,5) ORDER BY value DESC;
} {1 30 2 25 3 20 4 15 5 10 6 5 7 0}
do_execsql_test tabfunc01-1.10 {
  SELECT rowid, * FROM generate_series(0,32,5) ORDER BY +value DESC;
} {7 30 6 25 5 20 4 15 3 10 2 5 1 0}

do_execsql_test tabfunc01-2.1 {
  CREATE TABLE t1(x);
  INSERT INTO t1(x) VALUES(2),(3);
  SELECT *, '|' FROM t1, generate_series(1,x) ORDER BY 1, 2
} {2 1 | 2 2 | 3 1 | 3 2 | 3 3 |}

finish_test