Imported Upstream version 2.0.3

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+# 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 ::sqlite_query_plan variable.
+#
+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
+  return [concat $data $::sqlite_query_plan]
+}
+
+# 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
+  queryplan {
+    PRAGMA case_sensitive_like=off;
+    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
+  queryplan {
+    PRAGMA case_sensitive_like=on;
+    DROP INDEX i1;
+    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
+  queryplan {
+    PRAGMA case_sensitive_like=on;
+    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
+  queryplan {
+    PRAGMA case_sensitive_like=off;
+    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;
+    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 {INDEX i2} $res
+    } {0}
+  }
+  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}
+  do_test like-10.5 {
+    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}
+  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 {
+  queryplan {
+    PRAGMA case_sensitive_like=OFF;
+    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
+  }
+} {abc abcd ABC ABCD nosort t11 *}
+do_test like-11.2 {
+  queryplan {
+    PRAGMA case_sensitive_like=ON;
+    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
+  }
+} {abc abcd nosort t11 *}
+do_test like-11.3 {
+  queryplan {
+    PRAGMA case_sensitive_like=OFF;
+    CREATE INDEX t11b ON t11(b);
+    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
+  }
+} {abc abcd ABC ABCD sort {} t11b}
+do_test like-11.4 {
+  queryplan {
+    PRAGMA case_sensitive_like=ON;
+    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
+  }
+} {abc abcd nosort t11 *}
+do_test like-11.5 {
+  queryplan {
+    PRAGMA case_sensitive_like=OFF;
+    DROP INDEX t11b;
+    CREATE INDEX t11bnc ON t11(b COLLATE nocase);
+    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
+  }
+} {abc abcd ABC ABCD sort {} t11bnc}
+do_test like-11.6 {
+  queryplan {
+    CREATE INDEX t11bb ON t11(b COLLATE binary);
+    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
+  }
+} {abc abcd ABC ABCD sort {} t11bnc}
+do_test like-11.7 {
+  queryplan {
+    PRAGMA case_sensitive_like=ON;
+    SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
+  }
+} {abc abcd sort {} t11bb}
+do_test like-11.8 {
+  queryplan {
+    PRAGMA case_sensitive_like=OFF;
+    SELECT b FROM t11 WHERE b GLOB 'abc*' ORDER BY +a;
+  }
+} {abc abcd sort {} t11bb}
+do_test like-11.9 {
+  queryplan {
+    CREATE INDEX t11cnc ON t11(c COLLATE nocase);
+    CREATE INDEX t11cb ON t11(c COLLATE binary);
+    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}
+
+
+finish_test