sqlite/test/unionvtab.test

# 2017-07-15
#
# 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 regression tests for SQLite library.  The
# focus of this file is percentile.c extension
#

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

load_static_extension db unionvtab

#-------------------------------------------------------------------------
# Warm body tests.
#
forcedelete test.db2
do_execsql_test 1.0 {
  ATTACH 'test.db2' AS aux;

  CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT);
  CREATE TABLE t2(a INTEGER PRIMARY KEY, b TEXT);
  CREATE TABLE aux.t3(a INTEGER PRIMARY KEY, b TEXT);


  INSERT INTO t1 VALUES(1, 'one'), (2, 'two'), (3, 'three');
  INSERT INTO t2 VALUES(10, 'ten'), (11, 'eleven'), (12, 'twelve');
  INSERT INTO t3 VALUES(20, 'twenty'), (21, 'twenty-one'), (22, 'twenty-two');
}

do_execsql_test 1.1 {
  CREATE VIRTUAL TABLE temp.uuu USING unionvtab(
    "VALUES(NULL, 't1', 1, 9),  ('main', 't2', 10, 19), ('aux', 't3', 20, 29)"
  );
  SELECT * FROM uuu;
} {
  1 one 2 two 3 three
  10 ten 11 eleven 12 twelve
  20 twenty 21 twenty-one 22 twenty-two
}

do_execsql_test 1.2 {
  PRAGMA table_info(uuu);
} {
  0 a INTEGER 0 {} 0 
  1 b TEXT 0 {} 0
}

do_execsql_test 1.3 {
  SELECT * FROM uuu WHERE rowid = 3;
  SELECT * FROM uuu WHERE rowid = 11;
} {3 three 11 eleven}

do_execsql_test 1.4 {
  SELECT * FROM uuu WHERE rowid IN (12, 10, 2);
} {2 two 10 ten 12 twelve}

do_execsql_test 1.5 {
  SELECT * FROM uuu WHERE rowid BETWEEN 3 AND 11;
} {3 three 10 ten 11 eleven}

do_execsql_test 1.6 {
  SELECT * FROM uuu WHERE rowid BETWEEN 11 AND 15;
} {11 eleven 12 twelve}

do_execsql_test 1.7 {
  SELECT * FROM uuu WHERE rowid BETWEEN -46 AND 1500;
} {
  1 one 2 two 3 three
  10 ten 11 eleven 12 twelve
  20 twenty 21 twenty-one 22 twenty-two
}

#-------------------------------------------------------------------------
# Error conditions.
#
#   2.1.*: Attempt to create a unionvtab table outside of the TEMP schema.
#   2.2.*: Tables that do not exist.
#   2.3.*: Non WITHOUT ROWID tables.
#   2.4.*: Tables with mismatched schemas.
#
do_catchsql_test 2.1.1 {
  CREATE VIRTUAL TABLE u1 USING unionvtab("VALUES(NULL, 't1', 1, 100)");
} {1 {unionvtab tables must be created in TEMP schema}}
do_catchsql_test 2.1.2 {
  CREATE VIRTUAL TABLE main.u1 USING unionvtab("VALUES('', 't1', 1, 100)");
} {1 {unionvtab tables must be created in TEMP schema}}
do_catchsql_test 2.1.3 {
  CREATE VIRTUAL TABLE aux.u1 USING unionvtab("VALUES('', 't1', 1, 100)");
} {1 {unionvtab tables must be created in TEMP schema}}

do_catchsql_test 2.2.1 {
  CREATE VIRTUAL TABLE temp.u1 USING unionvtab("VALUES(NULL, 't555', 1, 100)");
} {1 {no such table: t555}}
do_catchsql_test 2.2.2 {
  CREATE VIRTUAL TABLE temp.u1 USING unionvtab("VALUES('aux', 't555', 1, 100)");
} {1 {no such table: aux.t555}}
do_catchsql_test 2.2.3 {
  CREATE VIRTUAL TABLE temp.u1 USING unionvtab("VALUES('xua', 't555', 1, 100)");
} {1 {unknown database 'xua'}}

do_execsql_test 2.4.0 {
  CREATE TABLE x1(a BLOB, b);
  CREATE TABLE x2(a BLOB, b);
  CREATE TEMP TABLE x3(a BLOB, b);

  CREATE TABLE aux.y1(one, two, three INTEGER PRIMARY KEY);
  CREATE TEMP TABLE y2(one, two, three INTEGER PRIMARY KEY);
  CREATE TABLE y3(one, two, three INTEGER PRIMARY KEY);
}

foreach {tn dbs res} {
  1 {x1 x2 x3} {0 {}}
  2 {y1 y2 y3} {0 {}}
  3 {x1 y2 y3} {1 {source table schema mismatch}}
  4 {x1 y2 x3} {1 {source table schema mismatch}}
  5 {x1 x2 y3} {1 {source table schema mismatch}}
} {
  set L [list]
  set iMin 0
  foreach e $dbs {
    set E [split $e .]
    if {[llength $E]>1} {
      lappend L "('[lindex $E 0]', '[lindex $E 1]', $iMin, $iMin)"
    } else {
      lappend L "(NULL, '$e', $iMin, $iMin)"
    }
    incr iMin
  }

  set sql "CREATE VIRTUAL TABLE temp.a1 USING unionvtab(\"VALUES [join $L ,]\")"
  do_catchsql_test 2.4.$tn "
    DROP TABLE IF EXISTS temp.a1;
    CREATE VIRTUAL TABLE temp.a1 USING unionvtab(\"VALUES [join $L ,]\");
  " $res
}


finish_test