[sql] Remove SQLite 3.10.2 reference directory.

third_party/sqlite/sqlite-src-3100200/test/like.test

-# 2005 August 13
-#
-# 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 testing the LIKE and GLOB operators and
-# in particular the optimizations that occur to help those operators
-# run faster.
-#
-# $Id: like.test,v 1.13 2009/06/07 23:45:11 drh Exp $
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-
-# Create some sample data to work with.
-#
-do_test like-1.0 {
-  execsql {
-    CREATE TABLE t1(x TEXT);
-  }
-  foreach str {
-    a
-    ab
-    abc
-    abcd
-
-    acd
-    abd
-    bc
-    bcd
-
-    xyz
-    ABC
-    CDE
-    {ABC abc xyz}
-  } {
-    db eval {INSERT INTO t1 VALUES(:str)}
-  }
-  execsql {
-    SELECT count(*) FROM t1;
-  }
-} {12}
-
-# Test that both case sensitive and insensitive version of LIKE work.
-#
-do_test like-1.1 {
-  execsql {
-    SELECT x FROM t1 WHERE x LIKE 'abc' ORDER BY 1;
-  }
-} {ABC abc}
-do_test like-1.2 {
-  execsql {
-    SELECT x FROM t1 WHERE x GLOB 'abc' ORDER BY 1;
-  }
-} {abc}
-do_test like-1.3 {
-  execsql {
-    SELECT x FROM t1 WHERE x LIKE 'ABC' ORDER BY 1;
-  }
-} {ABC abc}
-do_test like-1.4 {
-  execsql {
-    SELECT x FROM t1 WHERE x LIKE 'aBc' ORDER BY 1;
-  }
-} {ABC abc}
-do_test like-1.5.1 {
-  # Use sqlite3_exec() to verify fix for ticket [25ee81271091] 2011-06-26
-  sqlite3_exec db {PRAGMA case_sensitive_like=on}
-} {0 {}}
-do_test like-1.5.2 {
-  execsql {
-    SELECT x FROM t1 WHERE x LIKE 'abc' ORDER BY 1;
-  }
-} {abc}
-do_test like-1.5.3 {
-  execsql {
-    PRAGMA case_sensitive_like; -- no argument; does not change setting
-    SELECT x FROM t1 WHERE x LIKE 'abc' ORDER BY 1;
-  }
-} {abc}
-do_test like-1.6 {
-  execsql {
-    SELECT x FROM t1 WHERE x GLOB 'abc' ORDER BY 1;
-  }
-} {abc}
-do_test like-1.7 {
-  execsql {
-    SELECT x FROM t1 WHERE x LIKE 'ABC' ORDER BY 1;
-  }
-} {ABC}
-do_test like-1.8 {
-  execsql {
-    SELECT x FROM t1 WHERE x LIKE 'aBc' ORDER BY 1;
-  }
-} {}
-do_test like-1.9 {
-  execsql {
-    PRAGMA case_sensitive_like=off;
-    SELECT x FROM t1 WHERE x LIKE 'abc' ORDER BY 1;
-  }
-} {ABC abc}
-do_test like-1.10 {
-  execsql {
-    PRAGMA case_sensitive_like;  -- No argument, does not change setting.
-    SELECT x FROM t1 WHERE x LIKE 'abc' ORDER BY 1;
-  }
-} {ABC abc}
-
-# Tests of the REGEXP operator
-#
-do_test like-2.1 {
-  proc test_regexp {a b} {
-    return [regexp $a $b]
-  }
-  db function regexp -argcount 2 test_regexp
-  execsql {
-    SELECT x FROM t1 WHERE x REGEXP 'abc' ORDER BY 1;
-  }
-} {{ABC abc xyz} abc abcd}
-do_test like-2.2 {
-  execsql {
-    SELECT x FROM t1 WHERE x REGEXP '^abc' ORDER BY 1;
-  }
-} {abc abcd}
-
-# Tests of the MATCH operator
-#
-do_test like-2.3 {
-  proc test_match {a b} {
-    return [string match $a $b]
-  }
-  db function match -argcount 2 test_match
-  execsql {
-    SELECT x FROM t1 WHERE x MATCH '*abc*' ORDER BY 1;
-  }
-} {{ABC abc xyz} abc abcd}
-do_test like-2.4 {
-  execsql {
-    SELECT x FROM t1 WHERE x MATCH 'abc*' ORDER BY 1;
-  }
-} {abc abcd}
-
-# For the remaining tests, we need to have the like optimizations
-# enabled.
-#
-ifcapable !like_opt {
-  finish_test
-  return
-} 
-
-# This procedure executes the SQL.  Then it appends to the result the
-# "sort" or "nosort" keyword (as in the cksort procedure above) then
-# it appends the names of the table and index used.
-#
-proc queryplan {sql} {
-  set ::sqlite_sort_count 0
-  set data [execsql $sql]
-  if {$::sqlite_sort_count} {set x sort} {set x nosort}
-  lappend data $x
-  set eqp [execsql "EXPLAIN QUERY PLAN $sql"]
-  # puts eqp=$eqp
-  foreach {a b c x} $eqp {
-    if {[regexp { TABLE (\w+ AS )?(\w+) USING COVERING INDEX (\w+)\y} \
-        $x all as tab idx]} {
-      lappend data {} $idx
-    } elseif {[regexp { TABLE (\w+ AS )?(\w+) USING.* INDEX (\w+)\y} \
-        $x all as tab idx]} {
-      lappend data $tab $idx
-    } elseif {[regexp { TABLE (\w+ AS )?(\w+)\y} $x all as tab]} {
-      lappend data $tab *
-    }
-  }
-  return $data   
-}
-
-# Perform tests on the like optimization.
-#
-# With no index on t1.x and with case sensitivity turned off, no optimization
-# is performed.
-#
-do_test like-3.1 {
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
-  }
-} {ABC {ABC abc xyz} abc abcd sort t1 *}
-do_test like-3.2 {
-  set sqlite_like_count
-} {12}
-
-# With an index on t1.x and case sensitivity on, optimize completely.
-#
-do_test like-3.3 {
-  set sqlite_like_count 0
-  execsql {
-    PRAGMA case_sensitive_like=on;
-    CREATE INDEX i1 ON t1(x);
-  }
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
-  }
-} {abc abcd nosort {} i1}
-do_test like-3.4 {
-  set sqlite_like_count
-} 0
-
-# The LIKE optimization still works when the RHS is a string with no
-# wildcard.  Ticket [e090183531fc2747]
-#
-do_test like-3.4.2 {
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'a' ORDER BY 1;
-  }
-} {a nosort {} i1}
-do_test like-3.4.3 {
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'ab' ORDER BY 1;
-  }
-} {ab nosort {} i1}
-do_test like-3.4.4 {
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'abcd' ORDER BY 1;
-  }
-} {abcd nosort {} i1}
-do_test like-3.4.5 {
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'abcde' ORDER BY 1;
-  }
-} {nosort {} i1}
-
-
-# Partial optimization when the pattern does not end in '%'
-#
-do_test like-3.5 {
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'a_c' ORDER BY 1;
-  }
-} {abc nosort {} i1}
-do_test like-3.6 {
-  set sqlite_like_count
-} 6
-do_test like-3.7 {
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'ab%d' ORDER BY 1;
-  }
-} {abcd abd nosort {} i1}
-do_test like-3.8 {
-  set sqlite_like_count
-} 4
-do_test like-3.9 {
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'a_c%' ORDER BY 1;
-  }
-} {abc abcd nosort {} i1}
-do_test like-3.10 {
-  set sqlite_like_count
-} 6
-
-# No optimization when the pattern begins with a wildcard.
-# Note that the index is still used but only for sorting.
-#
-do_test like-3.11 {
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE '%bcd' ORDER BY 1;
-  }
-} {abcd bcd nosort {} i1}
-do_test like-3.12 {
-  set sqlite_like_count
-} 12
-
-# No optimization for case insensitive LIKE
-#
-do_test like-3.13 {
-  set sqlite_like_count 0
-  db eval {PRAGMA case_sensitive_like=off;}
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
-  }
-} {ABC {ABC abc xyz} abc abcd nosort {} i1}
-do_test like-3.14 {
-  set sqlite_like_count
-} 12
-
-# No optimization without an index.
-#
-do_test like-3.15 {
-  set sqlite_like_count 0
-  db eval {
-    PRAGMA case_sensitive_like=on;
-    DROP INDEX i1;
-  }
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
-  }
-} {abc abcd sort t1 *}
-do_test like-3.16 {
-  set sqlite_like_count
-} 12
-
-# No GLOB optimization without an index.
-#
-do_test like-3.17 {
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t1 WHERE x GLOB 'abc*' ORDER BY 1;
-  }
-} {abc abcd sort t1 *}
-do_test like-3.18 {
-  set sqlite_like_count
-} 12
-
-# GLOB is optimized regardless of the case_sensitive_like setting.
-#
-do_test like-3.19 {
-  set sqlite_like_count 0
-  db eval {CREATE INDEX i1 ON t1(x);}
-  queryplan {
-    SELECT x FROM t1 WHERE x GLOB 'abc*' ORDER BY 1;
-  }
-} {abc abcd nosort {} i1}
-do_test like-3.20 {
-  set sqlite_like_count
-} 0
-do_test like-3.21 {
-  set sqlite_like_count 0
-  db eval {PRAGMA case_sensitive_like=on;}
-  queryplan {
-    SELECT x FROM t1 WHERE x GLOB 'abc*' ORDER BY 1;
-  }
-} {abc abcd nosort {} i1}
-do_test like-3.22 {
-  set sqlite_like_count
-} 0
-do_test like-3.23 {
-  set sqlite_like_count 0
-  db eval {PRAGMA case_sensitive_like=off;}
-  queryplan {
-    SELECT x FROM t1 WHERE x GLOB 'a[bc]d' ORDER BY 1;
-  }
-} {abd acd nosort {} i1}
-do_test like-3.24 {
-  set sqlite_like_count
-} 6
-
-# GLOB optimization when there is no wildcard.  Ticket [e090183531fc2747]
-#
-do_test like-3.25 {
-  queryplan {
-    SELECT x FROM t1 WHERE x GLOB 'a' ORDER BY 1;
-  }
-} {a nosort {} i1}
-do_test like-3.26 {
-  queryplan {
-    SELECT x FROM t1 WHERE x GLOB 'abcd' ORDER BY 1;
-  }
-} {abcd nosort {} i1}
-do_test like-3.27 {
-  queryplan {
-    SELECT x FROM t1 WHERE x GLOB 'abcde' ORDER BY 1;
-  }
-} {nosort {} i1}
-
-
-
-# No optimization if the LHS of the LIKE is not a column name or
-# if the RHS is not a string.
-#
-do_test like-4.1 {
-  execsql {PRAGMA case_sensitive_like=on}
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1
-  }
-} {abc abcd nosort {} i1}
-do_test like-4.2 {
-  set sqlite_like_count
-} 0
-do_test like-4.3 {
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t1 WHERE +x LIKE 'abc%' ORDER BY 1
-  }
-} {abc abcd nosort {} i1}
-do_test like-4.4 {
-  set sqlite_like_count
-} 12
-do_test like-4.5 {
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE ('ab' || 'c%') ORDER BY 1
-  }
-} {abc abcd nosort {} i1}
-do_test like-4.6 {
-  set sqlite_like_count
-} 12
-
-# Collating sequences on the index disable the LIKE optimization.
-# Or if the NOCASE collating sequence is used, the LIKE optimization
-# is enabled when case_sensitive_like is OFF.
-#
-do_test like-5.1 {
-  execsql {PRAGMA case_sensitive_like=off}
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1
-  }
-} {ABC {ABC abc xyz} abc abcd nosort {} i1}
-do_test like-5.2 {
-  set sqlite_like_count
-} 12
-do_test like-5.3 {
-  execsql {
-    CREATE TABLE t2(x TEXT COLLATE NOCASE);
-    INSERT INTO t2 SELECT * FROM t1 ORDER BY rowid;
-    CREATE INDEX i2 ON t2(x COLLATE NOCASE);
-  }
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t2 WHERE x LIKE 'abc%' ORDER BY 1
-  }
-} {abc ABC {ABC abc xyz} abcd nosort {} i2}
-do_test like-5.4 {
-  set sqlite_like_count
-} 0
-do_test like-5.5 {
-  execsql {
-    PRAGMA case_sensitive_like=on;
-  }
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t2 WHERE x LIKE 'abc%' ORDER BY 1
-  }
-} {abc abcd nosort {} i2}
-do_test like-5.6 {
-  set sqlite_like_count
-} 12
-do_test like-5.7 {
-  execsql {
-    PRAGMA case_sensitive_like=off;
-  }
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t2 WHERE x GLOB 'abc*' ORDER BY 1
-  }
-} {abc abcd nosort {} i2}
-do_test like-5.8 {
-  set sqlite_like_count
-} 12
-do_test like-5.11 {
-  execsql {PRAGMA case_sensitive_like=off}
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t1 WHERE x LIKE 'ABC%' ORDER BY 1
-  }
-} {ABC {ABC abc xyz} abc abcd nosort {} i1}
-do_test like-5.12 {
-  set sqlite_like_count
-} 12
-do_test like-5.13 {
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t2 WHERE x LIKE 'ABC%' ORDER BY 1
-  }
-} {abc ABC {ABC abc xyz} abcd nosort {} i2}
-do_test like-5.14 {
-  set sqlite_like_count
-} 0
-do_test like-5.15 {
-  execsql {
-    PRAGMA case_sensitive_like=on;
-  }
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t2 WHERE x LIKE 'ABC%' ORDER BY 1
-  }
-} {ABC {ABC abc xyz} nosort {} i2}
-do_test like-5.16 {
-  set sqlite_like_count
-} 12
-do_test like-5.17 {
-  execsql {
-    PRAGMA case_sensitive_like=off;
-  }
-  set sqlite_like_count 0
-  queryplan {
-    SELECT x FROM t2 WHERE x GLOB 'ABC*' ORDER BY 1
-  }
-} {ABC {ABC abc xyz} nosort {} i2}
-do_test like-5.18 {
-  set sqlite_like_count
-} 12
-
-# Boundary case.  The prefix for a LIKE comparison is rounded up
-# when constructing the comparison.  Example:  "ab" becomes "ac".
-# In other words, the last character is increased by one.
-#
-# Make sure this happens correctly when the last character is a 
-# "z" and we are doing case-insensitive comparisons.
-#
-# Ticket #2959
-#
-do_test like-5.21 {
-  execsql {
-    PRAGMA case_sensitive_like=off;
-    INSERT INTO t2 VALUES('ZZ-upper-upper');
-    INSERT INTO t2 VALUES('zZ-lower-upper');
-    INSERT INTO t2 VALUES('Zz-upper-lower');
-    INSERT INTO t2 VALUES('zz-lower-lower');
-  }
-  queryplan {
-    SELECT x FROM t2 WHERE x LIKE 'zz%';
-  }
-} {zz-lower-lower zZ-lower-upper Zz-upper-lower ZZ-upper-upper nosort {} i2}
-do_test like-5.22 {
-  queryplan {
-    SELECT x FROM t2 WHERE x LIKE 'zZ%';
-  }
-} {zz-lower-lower zZ-lower-upper Zz-upper-lower ZZ-upper-upper nosort {} i2}
-do_test like-5.23 {
-  queryplan {
-    SELECT x FROM t2 WHERE x LIKE 'Zz%';
-  }
-} {zz-lower-lower zZ-lower-upper Zz-upper-lower ZZ-upper-upper nosort {} i2}
-do_test like-5.24 {
-  queryplan {
-    SELECT x FROM t2 WHERE x LIKE 'ZZ%';
-  }
-} {zz-lower-lower zZ-lower-upper Zz-upper-lower ZZ-upper-upper nosort {} i2}
-do_test like-5.25 {
-  db eval {
-    PRAGMA case_sensitive_like=on;
-    CREATE TABLE t3(x TEXT);
-    CREATE INDEX i3 ON t3(x);
-    INSERT INTO t3 VALUES('ZZ-upper-upper');
-    INSERT INTO t3 VALUES('zZ-lower-upper');
-    INSERT INTO t3 VALUES('Zz-upper-lower');
-    INSERT INTO t3 VALUES('zz-lower-lower');
-  }
-  queryplan {
-    SELECT x FROM t3 WHERE x LIKE 'zz%';
-  }
-} {zz-lower-lower nosort {} i3}
-do_test like-5.26 {
-  queryplan {
-    SELECT x FROM t3 WHERE x LIKE 'zZ%';
-  }
-} {zZ-lower-upper nosort {} i3}
-do_test like-5.27 {
-  queryplan {
-    SELECT x FROM t3 WHERE x LIKE 'Zz%';
-  }
-} {Zz-upper-lower nosort {} i3}
-do_test like-5.28 {
-  queryplan {
-    SELECT x FROM t3 WHERE x LIKE 'ZZ%';
-  }
-} {ZZ-upper-upper nosort {} i3}
-
-
-# ticket #2407
-#
-# Make sure the LIKE prefix optimization does not strip off leading
-# characters of the like pattern that happen to be quote characters.
-#
-do_test like-6.1 {
-  foreach x { 'abc 'bcd 'def 'ax } {
-    set x2 '[string map {' ''} $x]'
-    db eval "INSERT INTO t2 VALUES($x2)"
-  }
-  execsql {
-    SELECT * FROM t2 WHERE x LIKE '''a%'
-  }
-} {'abc 'ax}
-
-do_test like-7.1 {
-  execsql {
-    SELECT rowid, * FROM t1 WHERE rowid GLOB '1*' ORDER BY rowid;
-  }
-} {1 a 10 ABC 11 CDE 12 {ABC abc xyz}}
-
-# ticket #3345.
-#
-# Overloading the LIKE function with -1 for the number of arguments
-# will overload both the 2-argument and the 3-argument LIKE.
-#
-do_test like-8.1 {
-  db eval {
-    CREATE TABLE t8(x);
-    INSERT INTO t8 VALUES('abcdef');
-    INSERT INTO t8 VALUES('ghijkl');
-    INSERT INTO t8 VALUES('mnopqr');
-    SELECT 1, x FROM t8 WHERE x LIKE '%h%';
-    SELECT 2, x FROM t8 WHERE x LIKE '%h%' ESCAPE 'x';
-  }
-} {1 ghijkl 2 ghijkl}
-do_test like-8.2 {
-  proc newlike {args} {return 1} ;# Alternative LIKE is always return TRUE
-  db function like newlike       ;# Uses -1 for nArg in sqlite3_create_function
-  db cache flush
-  db eval {
-    SELECT 1, x FROM t8 WHERE x LIKE '%h%';
-    SELECT 2, x FROM t8 WHERE x LIKE '%h%' ESCAPE 'x';
-  }
-} {1 ghijkl 2 ghijkl}
-do_test like-8.3 {
-  db function like -argcount 2 newlike
-  db eval {
-    SELECT 1, x FROM t8 WHERE x LIKE '%h%';
-    SELECT 2, x FROM t8 WHERE x LIKE '%h%' ESCAPE 'x';
-  }
-} {1 abcdef 1 ghijkl 1 mnopqr 2 ghijkl}
-do_test like-8.4 {
-  db function like -argcount 3 newlike
-  db eval {
-    SELECT 1, x FROM t8 WHERE x LIKE '%h%';
-    SELECT 2, x FROM t8 WHERE x LIKE '%h%' ESCAPE 'x';
-  }
-} {1 abcdef 1 ghijkl 1 mnopqr 2 abcdef 2 ghijkl 2 mnopqr}
-
-
-ifcapable like_opt&&!icu {
-  # Evaluate SQL.  Return the result set followed by the
-  # and the number of full-scan steps.
-  #
-  db close
-  sqlite3 db test.db
-  proc count_steps {sql} {
-    set r [db eval $sql]
-    lappend r scan [db status step] sort [db status sort]
-  }
-  do_test like-9.1 {
-    count_steps {
-       SELECT x FROM t2 WHERE x LIKE 'x%'
-    }
-  } {xyz scan 0 sort 0}
-  do_test like-9.2 {
-    count_steps {
-       SELECT x FROM t2 WHERE x LIKE '_y%'
-    }
-  } {xyz scan 19 sort 0}
-  do_test like-9.3.1 {
-    set res [sqlite3_exec_hex db {
-       SELECT x FROM t2 WHERE x LIKE '%78%25'
-    }]
-  } {0 {x xyz}}
-  ifcapable explain {
-    do_test like-9.3.2 {
-      set res [sqlite3_exec_hex db {
-         EXPLAIN QUERY PLAN SELECT x FROM t2 WHERE x LIKE '%78%25'
-      }]
-      regexp {INDEX i2} $res
-    } {1}
-  }
-  do_test like-9.4.1 {
-    sqlite3_exec_hex db {INSERT INTO t2 VALUES('%ffhello')}
-    set res [sqlite3_exec_hex db {
-       SELECT substr(x,2) AS x FROM t2 WHERE +x LIKE '%ff%25'
-    }]
-  } {0 {x hello}}
-  do_test like-9.4.2 {
-    set res [sqlite3_exec_hex db {
-       SELECT substr(x,2) AS x FROM t2 WHERE x LIKE '%ff%25'
-    }]
-  } {0 {x hello}}
-  ifcapable explain {
-    do_test like-9.4.3 {
-      set res [sqlite3_exec_hex db {
-         EXPLAIN QUERY PLAN SELECT x FROM t2 WHERE x LIKE '%ff%25'
-      }]
-      regexp {SCAN TABLE t2} $res
-    } {1}
-  }
-  do_test like-9.5.1 {
-    set res [sqlite3_exec_hex db {
-       SELECT x FROM t2 WHERE x LIKE '%fe%25'
-    }]
-  } {0 {}}
-  ifcapable explain {
-    do_test like-9.5.2 {
-      set res [sqlite3_exec_hex db {
-         EXPLAIN QUERY PLAN SELECT x FROM t2 WHERE x LIKE '%fe%25'
-      }]
-      regexp {INDEX i2} $res
-    } {1}
-  }
-
-  # Do an SQL statement.  Append the search count to the end of the result.
-  #
-  proc count sql {
-    set ::sqlite_search_count 0
-    set ::sqlite_like_count 0
-    return [concat [execsql $sql] scan $::sqlite_search_count \
-             like $::sqlite_like_count]
-  }
-
-  # The LIKE and GLOB optimizations do not work on columns with
-  # affinity other than TEXT.
-  # Ticket #3901
-  #
-  do_test like-10.1 {
-    db close
-    sqlite3 db test.db
-    execsql {
-      CREATE TABLE t10(
-        a INTEGER PRIMARY KEY,
-        b INTEGER COLLATE nocase UNIQUE,
-        c NUMBER COLLATE nocase UNIQUE,
-        d BLOB COLLATE nocase UNIQUE,
-        e COLLATE nocase UNIQUE,
-        f TEXT COLLATE nocase UNIQUE
-      );
-      INSERT INTO t10 VALUES(1,1,1,1,1,1);
-      INSERT INTO t10 VALUES(12,12,12,12,12,12);
-      INSERT INTO t10 VALUES(123,123,123,123,123,123);
-      INSERT INTO t10 VALUES(234,234,234,234,234,234);
-      INSERT INTO t10 VALUES(345,345,345,345,345,345);
-      INSERT INTO t10 VALUES(45,45,45,45,45,45);
-    }
-    count {
-      SELECT a FROM t10 WHERE b LIKE '12%' ORDER BY +a;
-    }
-  } {12 123 scan 5 like 6}
-  do_test like-10.2 {
-    count {
-      SELECT a FROM t10 WHERE c LIKE '12%' ORDER BY +a;
-    }
-  } {12 123 scan 5 like 6}
-  do_test like-10.3 {
-    count {
-      SELECT a FROM t10 WHERE d LIKE '12%' ORDER BY +a;
-    }
-  } {12 123 scan 5 like 6}
-  do_test like-10.4 {
-    count {
-      SELECT a FROM t10 WHERE e LIKE '12%' ORDER BY +a;
-    }
-  } {12 123 scan 5 like 6}
-  ifcapable like_match_blobs {
-    do_test like-10.5a {
-      count {
-        SELECT a FROM t10 WHERE f LIKE '12%' ORDER BY +a;
-      }
-    } {12 123 scan 4 like 0}
-  } else {
-    do_test like-10.5b {
-      count {
-        SELECT a FROM t10 WHERE f LIKE '12%' ORDER BY +a;
-      }
-    } {12 123 scan 3 like 0}
-  }
-  do_test like-10.6 {
-    count {
-      SELECT a FROM t10 WHERE a LIKE '12%' ORDER BY +a;
-    }
-  } {12 123 scan 5 like 6}
-  do_test like-10.10 {
-    execsql {
-      CREATE TABLE t10b(
-        a INTEGER PRIMARY KEY,
-        b INTEGER UNIQUE,
-        c NUMBER UNIQUE,
-        d BLOB UNIQUE,
-        e UNIQUE,
-        f TEXT UNIQUE
-      );
-      INSERT INTO t10b SELECT * FROM t10;
-    }
-    count {
-      SELECT a FROM t10b WHERE b GLOB '12*' ORDER BY +a;
-    }
-  } {12 123 scan 5 like 6}
-  do_test like-10.11 {
-    count {
-      SELECT a FROM t10b WHERE c GLOB '12*' ORDER BY +a;
-    }
-  } {12 123 scan 5 like 6}
-  do_test like-10.12 {
-    count {
-      SELECT a FROM t10b WHERE d GLOB '12*' ORDER BY +a;
-    }
-  } {12 123 scan 5 like 6}
-  do_test like-10.13 {
-    count {
-      SELECT a FROM t10b WHERE e GLOB '12*' ORDER BY +a;
-    }
-  } {12 123 scan 5 like 6}
-  ifcapable like_match_blobs {
-    do_test like-10.14 {
-      count {
-        SELECT a FROM t10b WHERE f GLOB '12*' ORDER BY +a;
-      }
-    } {12 123 scan 4 like 0}
-  } else {
-    do_test like-10.14 {
-      count {
-        SELECT a FROM t10b WHERE f GLOB '12*' ORDER BY +a;
-      }
-    } {12 123 scan 3 like 0}
-  }
-  do_test like-10.15 {
-    count {
-      SELECT a FROM t10b WHERE a GLOB '12*' ORDER BY +a;
-    }
-  } {12 123 scan 5 like 6}
-}
-
-# LIKE and GLOB where the default collating sequence is not appropriate
-# but an index with the appropriate collating sequence exists.
-#
-do_test like-11.0 {
-  execsql {
-    CREATE TABLE t11(
-      a INTEGER PRIMARY KEY,
-      b TEXT COLLATE nocase,
-      c TEXT COLLATE binary
-    );
-    INSERT INTO t11 VALUES(1, 'a','a');
-    INSERT INTO t11 VALUES(2, 'ab','ab');
-    INSERT INTO t11 VALUES(3, 'abc','abc');
-    INSERT INTO t11 VALUES(4, 'abcd','abcd');
-    INSERT INTO t11 VALUES(5, 'A','A');
-    INSERT INTO t11 VALUES(6, 'AB','AB');
-    INSERT INTO t11 VALUES(7, 'ABC','ABC');
-    INSERT INTO t11 VALUES(8, 'ABCD','ABCD');
-    INSERT INTO t11 VALUES(9, 'x','x');
-    INSERT INTO t11 VALUES(10, 'yz','yz');
-    INSERT INTO t11 VALUES(11, 'X','X');
-    INSERT INTO t11 VALUES(12, 'YZ','YZ');
-    SELECT count(*) FROM t11;
-  }
-} {12}
-do_test like-11.1 {
-  db eval {PRAGMA case_sensitive_like=OFF;}
-  queryplan {
-    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
-  }
-} {abc abcd ABC ABCD nosort t11 *}
-do_test like-11.2 {
-  db eval {PRAGMA case_sensitive_like=ON;}
-  queryplan {
-    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
-  }
-} {abc abcd nosort t11 *}
-do_test like-11.3 {
-  db eval {
-    PRAGMA case_sensitive_like=OFF;
-    CREATE INDEX t11b ON t11(b);
-  }
-  queryplan {
-    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
-  }
-} {abc abcd ABC ABCD sort {} t11b}
-do_test like-11.4 {
-  db eval {PRAGMA case_sensitive_like=ON;}
-  queryplan {
-    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
-  }
-} {abc abcd nosort t11 *}
-do_test like-11.5 {
-  db eval {
-    PRAGMA case_sensitive_like=OFF;
-    DROP INDEX t11b;
-    CREATE INDEX t11bnc ON t11(b COLLATE nocase);
-  }
-  queryplan {
-    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
-  }
-} {abc abcd ABC ABCD sort {} t11bnc}
-do_test like-11.6 {
-  db eval {CREATE INDEX t11bb ON t11(b COLLATE binary);}
-  queryplan {
-    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
-  }
-} {abc abcd ABC ABCD sort {} t11bnc}
-do_test like-11.7 {
-  db eval {PRAGMA case_sensitive_like=ON;}
-  queryplan {
-    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
-  }
-} {abc abcd sort {} t11bb}
-do_test like-11.8 {
-  db eval {PRAGMA case_sensitive_like=OFF;}
-  queryplan {
-    SELECT b FROM t11 WHERE b GLOB 'abc*' ORDER BY +a;
-  }
-} {abc abcd sort {} t11bb}
-do_test like-11.9 {
-  db eval {
-    CREATE INDEX t11cnc ON t11(c COLLATE nocase);
-    CREATE INDEX t11cb ON t11(c COLLATE binary);
-  }
-  queryplan {
-    SELECT c FROM t11 WHERE c LIKE 'abc%' ORDER BY +a;
-  }
-} {abc abcd ABC ABCD sort {} t11cnc}
-do_test like-11.10 {
-  queryplan {
-    SELECT c FROM t11 WHERE c GLOB 'abc*' ORDER BY +a;
-  }
-} {abc abcd sort {} t11cb}
-
-# A COLLATE clause on the pattern does not change the result of a
-# LIKE operator.
-#
-do_execsql_test like-12.1 {
-  CREATE TABLE t12nc(id INTEGER, x TEXT UNIQUE COLLATE nocase);
-  INSERT INTO t12nc VALUES(1,'abcde'),(2,'uvwxy'),(3,'ABCDEF');
-  CREATE TABLE t12b(id INTEGER, x TEXT UNIQUE COLLATE binary);
-  INSERT INTO t12b VALUES(1,'abcde'),(2,'uvwxy'),(3,'ABCDEF');
-  SELECT id FROM t12nc WHERE x LIKE 'abc%' ORDER BY +id;
-} {1 3}
-do_execsql_test like-12.2 {
-  SELECT id FROM t12b WHERE x LIKE 'abc%' ORDER BY +id;
-} {1 3}
-do_execsql_test like-12.3 {
-  SELECT id FROM t12nc WHERE x LIKE 'abc%' COLLATE binary ORDER BY +id;
-} {1 3}
-do_execsql_test like-12.4 {
-  SELECT id FROM t12b WHERE x LIKE 'abc%' COLLATE binary ORDER BY +id;
-} {1 3}
-do_execsql_test like-12.5 {
-  SELECT id FROM t12nc WHERE x LIKE 'abc%' COLLATE nocase ORDER BY +id;
-} {1 3}
-do_execsql_test like-12.6 {
-  SELECT id FROM t12b WHERE x LIKE 'abc%' COLLATE nocase ORDER BY +id;
-} {1 3}
-
-# Adding a COLLATE clause to the pattern of a LIKE operator does nothing
-# to change the suitability of using an index to satisfy that LIKE
-# operator.
-#
-do_execsql_test like-12.11 {
-  EXPLAIN QUERY PLAN
-  SELECT id FROM t12nc WHERE x LIKE 'abc%' ORDER BY +id;
-} {/SEARCH/}
-do_execsql_test like-12.12 {
-  EXPLAIN QUERY PLAN
-  SELECT id FROM t12b WHERE x LIKE 'abc%' ORDER BY +id;
-} {/SCAN/}
-do_execsql_test like-12.13 {
-  EXPLAIN QUERY PLAN
-  SELECT id FROM t12nc WHERE x LIKE 'abc%' COLLATE nocase ORDER BY +id;
-} {/SEARCH/}
-do_execsql_test like-12.14 {
-  EXPLAIN QUERY PLAN
-  SELECT id FROM t12b WHERE x LIKE 'abc%' COLLATE nocase ORDER BY +id;
-} {/SCAN/}
-do_execsql_test like-12.15 {
-  EXPLAIN QUERY PLAN
-  SELECT id FROM t12nc WHERE x LIKE 'abc%' COLLATE binary ORDER BY +id;
-} {/SEARCH/}
-do_execsql_test like-12.16 {
-  EXPLAIN QUERY PLAN
-  SELECT id FROM t12b WHERE x LIKE 'abc%' COLLATE binary ORDER BY +id;
-} {/SCAN/}
-
-# Ticket [https://www.sqlite.org/src/tktview/80369eddd5c94d49f7fbbcf5]
-# 2016-01-20
-#
-do_execsql_test like-13.1 {
-  SELECT char(0x304d) LIKE char(0x306d);
-} {0}
-do_execsql_test like-13.2 {
-  SELECT char(0x4d) LIKE char(0x306d);
-} {0}
-do_execsql_test like-13.3 {
-  SELECT char(0x304d) LIKE char(0x6d);
-} {0}
-do_execsql_test like-13.4 {
-  SELECT char(0x4d) LIKE char(0x6d);
-} {1}
-
-
-
-finish_test