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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

Artifact 45459ce4dd9fd853b6044cdc9674921bff89e3d840f348ca8c1630f9edbf5482:


# 2015 Jun 10
#
# 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.
#
#***********************************************************************
#
# Tests focusing on fts5 tables with the columnsize=0 option.
#

source [file join [file dirname [info script]] fts5_common.tcl]
set testprefix fts5columnsize

# If SQLITE_ENABLE_FTS5 is defined, omit this file.
ifcapable !fts5 {
  finish_test
  return
}

#-------------------------------------------------------------------------
# Check that the option can be parsed and that the %_docsize table is
# only created if it is set to true.
#
foreach {tn outcome stmt} {
  1 0 { CREATE VIRTUAL TABLE t1 USING fts5(x, columnsize=0) }
  2 1 { CREATE VIRTUAL TABLE t1 USING fts5(x, columnsize=1) }
  3 0 { CREATE VIRTUAL TABLE t1 USING fts5(x, columnsize='0') }
  4 1 { CREATE VIRTUAL TABLE t1 USING fts5(x, columnsize='1') }
  5 2 { CREATE VIRTUAL TABLE t1 USING fts5(x, columnsize='') }
  6 2 { CREATE VIRTUAL TABLE t1 USING fts5(x, columnsize=2) }
  7 1 { CREATE VIRTUAL TABLE t1 USING fts5(x, columnsize=0, columnsize=1) }
  8 1 { CREATE VIRTUAL TABLE t1 USING fts5(x) }
  9 2 { CREATE VIRTUAL TABLE t1 USING fts5(x, columnsize=11) }
} {
  execsql { 
    DROP TABLE IF EXISTS t1;
  }
  if {$outcome==2} {
    do_catchsql_test 1.$tn.1 $stmt {1 {malformed columnsize=... directive}}
  } else {
    do_execsql_test 1.$tn.2 $stmt
    do_execsql_test 1.$tn.3 {
      SELECT count(*) FROM sqlite_master WHERE name = 't1_docsize'
    } $outcome
  }
}

#-------------------------------------------------------------------------
# Run tests on a table with no %_content or %_docsize backing store.
#
do_execsql_test 2.0 {
  CREATE VIRTUAL TABLE t2 USING fts5(x, columnsize=0, content='');
}
do_catchsql_test 2.1 {
  INSERT INTO t2 VALUES('a b c d e f');
} {1 {datatype mismatch}}
do_execsql_test 2.2 {
  INSERT INTO t2(rowid, x) VALUES(1, 'c d e f');
  INSERT INTO t2(rowid, x) VALUES(2, 'c d e f g h');
  INSERT INTO t2(rowid, x) VALUES(3, 'a b c d e f g h');
} {}
do_execsql_test 2.3 {
  SELECT rowid FROM t2 WHERE t2 MATCH 'b'; SELECT '::';
  SELECT rowid FROM t2 WHERE t2 MATCH 'e'; SELECT '::';
  SELECT rowid FROM t2 WHERE t2 MATCH 'h'; 
} {3 :: 1 2 3 :: 2 3}
do_execsql_test 2.4 {
  INSERT INTO t2(t2, rowid, x) VALUES('delete', 2, 'c d e f g h');
  SELECT rowid FROM t2 WHERE t2 MATCH 'b'; SELECT '::';
  SELECT rowid FROM t2 WHERE t2 MATCH 'e'; SELECT '::';
  SELECT rowid FROM t2 WHERE t2 MATCH 'h'; 
} {3 :: 1 3 :: 3}
do_execsql_test 2.5 {
  INSERT INTO t2(t2) VALUES('delete-all');
  SELECT rowid FROM t2 WHERE t2 MATCH 'b'; SELECT '::';
  SELECT rowid FROM t2 WHERE t2 MATCH 'e'; SELECT '::';
  SELECT rowid FROM t2 WHERE t2 MATCH 'h'; 
} {:: ::}
do_execsql_test 2.6 {
  INSERT INTO t2(rowid, x) VALUES(1, 'o t t f');
  INSERT INTO t2(rowid, x) VALUES(2, 'f s s e');
  INSERT INTO t2(rowid, x) VALUES(3, 'n t e t');
}

do_catchsql_test 2.7.1 {
  SELECT rowid FROM t2
} {1 {t2: table does not support scanning}}
do_catchsql_test 2.7.2 {
  SELECT rowid FROM t2 WHERE rowid=2
} {1 {t2: table does not support scanning}}
do_catchsql_test 2.7.3 {
  SELECT rowid FROM t2 WHERE rowid BETWEEN 1 AND 3
} {1 {t2: table does not support scanning}}

do_execsql_test 2.X {
  DROP TABLE t2
}

#-------------------------------------------------------------------------
# Test the xColumnSize() API
#
fts5_aux_test_functions db

do_execsql_test 3.1.0 {
  CREATE VIRTUAL TABLE t3 USING fts5(x, y UNINDEXED, z, columnsize=0);
  INSERT INTO t3 VALUES('a a', 'b b b', 'c');
  INSERT INTO t3 VALUES('x a x', 'b b b y', '');
}
do_execsql_test 3.1.1 {
  SELECT rowid, fts5_test_columnsize(t3) FROM t3 WHERE t3 MATCH 'a'
} {
  1 {2 0 1} 2 {3 0 0}
}
do_execsql_test 3.1.2 {
  INSERT INTO t3 VALUES(NULL, NULL, 'a a a a');
  DELETE FROM t3 WHERE rowid = 1;
  SELECT rowid, fts5_test_columnsize(t3) FROM t3 WHERE t3 MATCH 'a'
} {
  2 {3 0 0} 3 {0 0 4}
}

do_execsql_test 3.2.0 {
  CREATE VIRTUAL TABLE t4 USING fts5(x, y UNINDEXED, z, columnsize=0, content='');
  INSERT INTO t4(rowid, x, y, z) VALUES(1, 'a a', 'b b b', 'c');
  INSERT INTO t4(rowid, x, y, z) VALUES(2, 'x a x', 'b b b y', '');
}
do_execsql_test 3.2.1 {
  SELECT rowid, fts5_test_columnsize(t4) FROM t4 WHERE t4 MATCH 'a'
} {
  1 {-1 0 -1} 2 {-1 0 -1}
}

#-------------------------------------------------------------------------
# Test the integrity-check
#
do_execsql_test 4.1.1 {
  CREATE VIRTUAL TABLE t5 USING fts5(x, columnsize=0);
  INSERT INTO t5 VALUES('1 2 3 4');
  INSERT INTO t5 VALUES('2 4 6 8');
}

do_execsql_test 4.1.2 {
  INSERT INTO t5(t5) VALUES('integrity-check');
}

finish_test