# 2010 September 24 # # 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 tests to verify that the "testable statements" in # the lang_reindex.html document are correct. # set testdir [file dirname $argv0] source $testdir/tester.tcl proc do_reindex_tests {args} { uplevel do_select_tests $args } do_execsql_test e_reindex-0.0 { CREATE TABLE t1(a, b); CREATE INDEX i1 ON t1(a, b); CREATE INDEX i2 ON t1(b, a); } {} # -- syntax diagram reindex-stmt # do_reindex_tests e_reindex-0.1 { 1 "REINDEX" {} 2 "REINDEX nocase" {} 3 "REINDEX binary" {} 4 "REINDEX t1" {} 5 "REINDEX main.t1" {} 6 "REINDEX i1" {} 7 "REINDEX main.i1" {} } # EVIDENCE-OF: R-52173-44778 The REINDEX command is used to delete and # recreate indices from scratch. # # Test this by corrupting some database indexes, running REINDEX, and # observing that the corruption is gone. # sqlite3_db_config db DEFENSIVE 0 do_execsql_test e_reindex-1.1 { INSERT INTO t1 VALUES(1, 2); INSERT INTO t1 VALUES(3, 4); INSERT INTO t1 VALUES(5, 6); CREATE TABLE saved(a,b,c,d,e); INSERT INTO saved SELECT * FROM sqlite_master WHERE type = 'index'; PRAGMA writable_schema = 1; DELETE FROM sqlite_master WHERE type = 'index'; } {} db close sqlite3 db test.db sqlite3_db_config db DEFENSIVE 0 do_execsql_test e_reindex-1.2 { DELETE FROM t1 WHERE a = 3; INSERT INTO t1 VALUES(7, 8); INSERT INTO t1 VALUES(9, 10); PRAGMA writable_schema = 1; INSERT INTO sqlite_master SELECT * FROM saved; DROP TABLE saved; } {} db close sqlite3 db test.db do_execsql_test e_reindex-1.3 { PRAGMA integrity_check; } [list \ {wrong # of entries in index i2} \ {wrong # of entries in index i1} \ {row 3 missing from index i2} \ {row 3 missing from index i1} \ {row 4 missing from index i2} \ {row 4 missing from index i1} ] do_execsql_test e_reindex-1.4 { REINDEX; PRAGMA integrity_check; } {ok} #------------------------------------------------------------------------- # The remaining tests in this file focus on testing that the REINDEX # command reindexes the correct subset of the indexes in the database. # They all use the following dataset. # db close forcedelete test.db2 forcedelete test.db sqlite3 db test.db proc sort_by_length {lhs rhs} { set res [expr {[string length $lhs] - [string length $rhs]}] if {$res!=0} {return $res} return [string compare $lhs $rhs] } array set V {one 1 two 2 three 3 four 4 five 5 six 6 seven 7 eight 8} proc sort_by_value {lhs rhs} { global V set res [expr {$V($lhs) - $V($rhs)}] if {$res!=0} {return $res} return [string compare $lhs $rhs] } db collate collA sort_by_length db collate collB sort_by_value set BY(length) {one six two five four eight seven three} set BY(value) {one two three four five six seven eight} do_execsql_test e_reindex-2.0 { ATTACH 'test.db2' AS aux; CREATE TABLE t1(x); CREATE INDEX i1_a ON t1(x COLLATE collA); CREATE INDEX i1_b ON t1(x COLLATE collB); INSERT INTO t1 VALUES('one'); INSERT INTO t1 VALUES('two'); INSERT INTO t1 VALUES('three'); INSERT INTO t1 VALUES('four'); INSERT INTO t1 VALUES('five'); INSERT INTO t1 VALUES('six'); INSERT INTO t1 VALUES('seven'); INSERT INTO t1 VALUES('eight'); CREATE TABLE t2(x); CREATE INDEX i2_a ON t2(x COLLATE collA); CREATE INDEX i2_b ON t2(x COLLATE collB); INSERT INTO t2 SELECT x FROM t1; CREATE TABLE aux.t1(x); CREATE INDEX aux.i1_a ON t1(x COLLATE collA); CREATE INDEX aux.i1_b ON t1(x COLLATE collB); INSERT INTO aux.t1 SELECT x FROM main.t1; } {} proc test_index {tn tbl collation expected} { set sql "SELECT x FROM $tbl ORDER BY x COLLATE $collation" uplevel do_execsql_test e_reindex-2.$tn [list $sql] [list $::BY($expected)] } proc set_collations {a b} { db collate collA "sort_by_$a" db collate collB "sort_by_$b" } test_index 1.1 t1 collA length test_index 1.2 t1 collB value test_index 1.3 t2 collA length test_index 1.4 t2 collB value test_index 1.5 aux.t1 collA length test_index 1.6 aux.t1 collB value # EVIDENCE-OF: R-47362-07898 If the REINDEX keyword is not followed by a # collation-sequence or database object identifier, then all indices in # all attached databases are rebuilt. # set_collations value length do_execsql_test e_reindex-2.2.1 "REINDEX" {} test_index 2.2 t1 collA value test_index 2.3 t1 collB length test_index 2.4 t2 collA value test_index 2.5 t2 collB length test_index 2.6 aux.t1 collA value test_index 2.7 aux.t1 collB length # EVIDENCE-OF: R-45878-07697 If the REINDEX keyword is followed by a # collation-sequence name, then all indices in all attached databases # that use the named collation sequences are recreated. # set_collations length value do_execsql_test e_reindex-2.3.1 "REINDEX collA" {} test_index 3.2 t1 collA length test_index 3.3 t1 collB length test_index 3.4 t2 collA length test_index 3.5 t2 collB length test_index 3.6 aux.t1 collA length test_index 3.7 aux.t1 collB length do_execsql_test e_reindex-2.3.8 "REINDEX collB" {} test_index 3.9 t1 collA length test_index 3.10 t1 collB value test_index 3.11 t2 collA length test_index 3.12 t2 collB value test_index 3.13 aux.t1 collA length test_index 3.14 aux.t1 collB value # EVIDENCE-OF: R-49616-30196 Or, if the argument attached to the REINDEX # identifies a specific database table, then all indices attached to the # database table are rebuilt. # set_collations value length do_execsql_test e_reindex-2.4.1 "REINDEX t1" {} test_index 4.2 t1 collA value test_index 4.3 t1 collB length test_index 4.4 t2 collA length test_index 4.5 t2 collB value test_index 4.6 aux.t1 collA length test_index 4.7 aux.t1 collB value do_execsql_test e_reindex-2.4.8 "REINDEX aux.t1" {} test_index 4.9 t1 collA value test_index 4.10 t1 collB length test_index 4.11 t2 collA length test_index 4.12 t2 collB value test_index 4.13 aux.t1 collA value test_index 4.14 aux.t1 collB length do_execsql_test e_reindex-2.4.15 "REINDEX t2" {} test_index 4.16 t1 collA value test_index 4.17 t1 collB length test_index 4.18 t2 collA value test_index 4.19 t2 collB length test_index 4.20 aux.t1 collA value test_index 4.21 aux.t1 collB length # EVIDENCE-OF: R-58823-28748 If it identifies a specific database index, # then just that index is recreated. # set_collations length value do_execsql_test e_reindex-2.5.1 "REINDEX i1_a" {} test_index 5.2 t1 collA length test_index 5.3 t1 collB length test_index 5.4 t2 collA value test_index 5.5 t2 collB length test_index 5.6 aux.t1 collA value test_index 5.7 aux.t1 collB length do_execsql_test e_reindex-2.5.8 "REINDEX i2_b" {} test_index 5.9 t1 collA length test_index 5.10 t1 collB length test_index 5.11 t2 collA value test_index 5.12 t2 collB value test_index 5.13 aux.t1 collA value test_index 5.14 aux.t1 collB length do_execsql_test e_reindex-2.5.15 "REINDEX aux.i1_b" {} test_index 5.16 t1 collA length test_index 5.17 t1 collB length test_index 5.18 t2 collA value test_index 5.19 t2 collB value test_index 5.20 aux.t1 collA value test_index 5.21 aux.t1 collB value do_execsql_test e_reindex-2.5.22 "REINDEX i1_b" {} test_index 5.23 t1 collA length test_index 5.24 t1 collB value test_index 5.25 t2 collA value test_index 5.26 t2 collB value test_index 5.27 aux.t1 collA value test_index 5.28 aux.t1 collB value do_execsql_test e_reindex-2.5.29 "REINDEX i2_a" {} test_index 5.30 t1 collA length test_index 5.31 t1 collB value test_index 5.32 t2 collA length test_index 5.33 t2 collB value test_index 5.34 aux.t1 collA value test_index 5.35 aux.t1 collB value do_execsql_test e_reindex-2.5.36 "REINDEX aux.i1_a" {} test_index 5.37 t1 collA length test_index 5.38 t1 collB value test_index 5.39 t2 collA length test_index 5.40 t2 collB value test_index 5.41 aux.t1 collA length test_index 5.42 aux.t1 collB value # EVIDENCE-OF: R-35892-30289 For a command of the form "REINDEX name", a # match against collation-name takes precedence over a match against # index-name or table-name. # set_collations value length do_execsql_test e_reindex-2.6.0 { CREATE TABLE collA(x); CREATE INDEX icolla_a ON collA(x COLLATE collA); CREATE INDEX icolla_b ON collA(x COLLATE collB); INSERT INTO collA SELECT x FROM t1; } {} test_index 6.1 collA collA value test_index 6.2 collA collB length set_collations length value do_execsql_test e_reindex-2.6.3 "REINDEX collA" {} test_index 6.4 collA collA length test_index 6.5 collA collB length do_execsql_test e_reindex-2.6.3 "REINDEX main.collA" {} test_index 6.4 collA collA length test_index 6.5 collA collB value set_collations value length do_execsql_test e_reindex-2.6.6 "REINDEX main.collA" {} test_index 6.7 collA collA value test_index 6.8 collA collB length finish_test