Index: third_party/sqlite/sqlite-src-3070603/test/like.test |
diff --git a/third_party/sqlite/sqlite-src-3070603/test/like.test b/third_party/sqlite/sqlite-src-3070603/test/like.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bd9a6c39c1abb02d4ad0050c0bfd56db095a806f |
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@@ -0,0 +1,871 @@ |
+# 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 { |
+ execsql { |
+ PRAGMA case_sensitive_like=on; |
+ SELECT x FROM t1 WHERE x LIKE 'abc' ORDER BY 1; |
+ } |
+} {abc} |
+do_test like-1.5.2 { |
+ 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 |
+ queryplan { |
+ CREATE INDEX i1 ON t1(x); |
+ 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 { |
+ queryplan { |
+ 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'); |
+ 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 |