# 2008 Sep 1
#
# 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.
#
#***********************************************************************
# 
#

if {![info exists testdir]} {
  set testdir [file join [file dirname $argv0] .. .. test]
} 
source $testdir/tester.tcl

ifcapable !rtree {
  finish_test
  return
}

#   Operator    Byte Value
#   ----------------------
#      =        0x41 ('A')
#     <=        0x42 ('B')
#      <        0x43 ('C')
#     >=        0x44 ('D')
#      >        0x45 ('E')
#   ----------------------

proc rtree_strategy {sql} {
  set ret [list]
  db eval "explain $sql" a {
    if {$a(opcode) eq "VFilter"} {
      lappend ret $a(p4)
    }
  }
  set ret
}

proc query_plan {sql} {
  set ret [list]
  db eval "explain query plan $sql" a {
    lappend ret $a(detail)
  }
  set ret
}

do_test rtree6-1.1 {
  execsql {
    CREATE TABLE t2(k INTEGER PRIMARY KEY, v);
    CREATE VIRTUAL TABLE t1 USING rtree(ii, x1, x2, y1, y2);
  }
} {}

do_test rtree6-1.2 {
  rtree_strategy {SELECT * FROM t1 WHERE x1>10}
} {Ea}

do_test rtree6-1.3 {
  rtree_strategy {SELECT * FROM t1 WHERE x1<10}
} {Ca}

do_test rtree6-1.4 {
  rtree_strategy {SELECT * FROM t1,t2 WHERE k=ii AND x1<10}
} {Ca}

do_test rtree6-1.5 {
  rtree_strategy {SELECT * FROM t1,t2 WHERE k=+ii AND x1<10}
} {Ca}

do_test rtree6.2.1 {
  query_plan {SELECT * FROM t1,t2 WHERE k=+ii AND x1<10}
} [list \
  {TABLE t1 VIRTUAL TABLE INDEX 2:Ca} \
  {TABLE t2 USING PRIMARY KEY}        \
]

do_test rtree6.2.2 {
  query_plan {SELECT * FROM t1,t2 WHERE k=ii AND x1<10}
} [list \
  {TABLE t1 VIRTUAL TABLE INDEX 2:Ca} \
  {TABLE t2 USING PRIMARY KEY}        \
]

do_test rtree6.2.3 {
  query_plan {SELECT * FROM t1,t2 WHERE k=ii}
} [list \
  {TABLE t2}                          \
  {TABLE t1 VIRTUAL TABLE INDEX 1:}   \
]

do_test rtree6.2.4 {
  query_plan {SELECT * FROM t1,t2 WHERE v=10 and x1<10 and x2>10}
} [list \
  {TABLE t1 VIRTUAL TABLE INDEX 2:CaEb}   \
  {TABLE t2}                              \
]

do_test rtree6.2.5 {
  query_plan {SELECT * FROM t1,t2 WHERE k=ii AND x1<v}
} [list \
  {TABLE t2}                              \
  {TABLE t1 VIRTUAL TABLE INDEX 1:}   \
]

finish_test
