sl@0: # 2007 May 8
sl@0: #
sl@0: # Portions Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiaries. All rights reserved.
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: #
sl@0: # This file contains tests to verify that the limits defined in
sl@0: # sqlite source file limits.h are enforced.
sl@0: #
sl@0: # $Id: sqllimits1.test,v 1.31 2008/07/15 00:27:35 drh Exp $
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: # Verify that the default per-connection limits are the same as
sl@0: # the compile-time hard limits.
sl@0: #
sl@0: sqlite3 db2 :memory:
sl@0: do_test sqllimits1-1.1 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_LENGTH -1
sl@0: } $SQLITE_MAX_LENGTH
sl@0: do_test sqllimits1-1.2 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH -1
sl@0: } $SQLITE_MAX_SQL_LENGTH
sl@0: do_test sqllimits1-1.3 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_COLUMN -1
sl@0: } $SQLITE_MAX_COLUMN
sl@0: do_test sqllimits1-1.4 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_EXPR_DEPTH -1
sl@0: } $SQLITE_MAX_EXPR_DEPTH
sl@0: do_test sqllimits1-1.5 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT -1
sl@0: } $SQLITE_MAX_COMPOUND_SELECT
sl@0: do_test sqllimits1-1.6 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_VDBE_OP -1
sl@0: } $SQLITE_MAX_VDBE_OP
sl@0: do_test sqllimits1-1.7 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG -1
sl@0: } $SQLITE_MAX_FUNCTION_ARG
sl@0: do_test sqllimits1-1.8 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_ATTACHED -1
sl@0: } $SQLITE_MAX_ATTACHED
sl@0: do_test sqllimits1-1.9 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH -1
sl@0: } $SQLITE_MAX_LIKE_PATTERN_LENGTH
sl@0: do_test sqllimits1-1.10 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_VARIABLE_NUMBER -1
sl@0: } $SQLITE_MAX_VARIABLE_NUMBER
sl@0: 
sl@0: # Limit parameters out of range.
sl@0: #
sl@0: do_test sqllimits1-1.20 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_TOOSMALL 123
sl@0: } {-1}
sl@0: do_test sqllimits1-1.21 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_TOOSMALL 123
sl@0: } {-1}
sl@0: do_test sqllimits1-1.22 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_TOOBIG 123
sl@0: } {-1}
sl@0: do_test sqllimits1-1.23 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_TOOBIG 123
sl@0: } {-1}
sl@0: 
sl@0: 
sl@0: # Decrease all limits by half.  Verify that the new limits take.
sl@0: #
sl@0: if {$SQLITE_MAX_LENGTH>=2} {
sl@0:   do_test sqllimits1-2.1.1 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_LENGTH \
sl@0:                     [expr {$::SQLITE_MAX_LENGTH/2}]
sl@0:   } $SQLITE_MAX_LENGTH
sl@0:   do_test sqllimits1-2.1.2 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_LENGTH -1
sl@0:   } [expr {$SQLITE_MAX_LENGTH/2}]
sl@0: }
sl@0: if {$SQLITE_MAX_SQL_LENGTH>=2} {
sl@0:   do_test sqllimits1-2.2.1 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH \
sl@0:                     [expr {$::SQLITE_MAX_SQL_LENGTH/2}]
sl@0:   } $SQLITE_MAX_SQL_LENGTH
sl@0:   do_test sqllimits1-2.2.2 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH -1
sl@0:   } [expr {$SQLITE_MAX_SQL_LENGTH/2}]
sl@0: }
sl@0: if {$SQLITE_MAX_COLUMN>=2} {
sl@0:   do_test sqllimits1-2.3.1 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_COLUMN \
sl@0:                     [expr {$::SQLITE_MAX_COLUMN/2}]
sl@0:   } $SQLITE_MAX_COLUMN
sl@0:   do_test sqllimits1-2.3.2 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_COLUMN -1
sl@0:   } [expr {$SQLITE_MAX_COLUMN/2}]
sl@0: }
sl@0: if {$SQLITE_MAX_EXPR_DEPTH>=2} {
sl@0:   do_test sqllimits1-2.4.1 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_EXPR_DEPTH \
sl@0:                     [expr {$::SQLITE_MAX_EXPR_DEPTH/2}]
sl@0:   } $SQLITE_MAX_EXPR_DEPTH
sl@0:   do_test sqllimits1-2.4.2 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_EXPR_DEPTH -1
sl@0:   } [expr {$SQLITE_MAX_EXPR_DEPTH/2}]
sl@0: }
sl@0: if {$SQLITE_MAX_COMPOUND_SELECT>=2} {
sl@0:   do_test sqllimits1-2.5.1 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT \
sl@0:                     [expr {$::SQLITE_MAX_COMPOUND_SELECT/2}]
sl@0:   } $SQLITE_MAX_COMPOUND_SELECT
sl@0:   do_test sqllimits1-2.5.2 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT -1
sl@0:   } [expr {$SQLITE_MAX_COMPOUND_SELECT/2}]
sl@0: }
sl@0: if {$SQLITE_MAX_VDBE_OP>=2} {
sl@0:   do_test sqllimits1-2.6.1 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_VDBE_OP \
sl@0:                     [expr {$::SQLITE_MAX_VDBE_OP/2}]
sl@0:   } $SQLITE_MAX_VDBE_OP
sl@0:   do_test sqllimits1-2.6.2 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_VDBE_OP -1
sl@0:   } [expr {$SQLITE_MAX_VDBE_OP/2}]
sl@0: }
sl@0: if {$SQLITE_MAX_FUNCTION_ARG>=2} {
sl@0:   do_test sqllimits1-2.7.1 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG \
sl@0:                     [expr {$::SQLITE_MAX_FUNCTION_ARG/2}]
sl@0:   } $SQLITE_MAX_FUNCTION_ARG
sl@0:   do_test sqllimits1-2.7.2 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG -1
sl@0:   } [expr {$SQLITE_MAX_FUNCTION_ARG/2}]
sl@0: }
sl@0: if {$SQLITE_MAX_ATTACHED>=2} {
sl@0:   do_test sqllimits1-2.8.1 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_ATTACHED \
sl@0:                     [expr {$::SQLITE_MAX_ATTACHED/2}]
sl@0:   } $SQLITE_MAX_ATTACHED
sl@0:   do_test sqllimits1-2.8.2 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_ATTACHED -1
sl@0:   } [expr {$SQLITE_MAX_ATTACHED/2}]
sl@0: }
sl@0: if {$SQLITE_MAX_LIKE_PATTERN_LENGTH>=2} {
sl@0:   do_test sqllimits1-2.9.1 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH \
sl@0:                     [expr {$::SQLITE_MAX_LIKE_PATTERN_LENGTH/2}]
sl@0:   } $SQLITE_MAX_LIKE_PATTERN_LENGTH
sl@0:   do_test sqllimits1-2.9.2 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH -1
sl@0:   } [expr {$SQLITE_MAX_LIKE_PATTERN_LENGTH/2}]
sl@0: }
sl@0: if {$SQLITE_MAX_VARIABLE_NUMBER>=2} {
sl@0:   do_test sqllimits1-2.10.1 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_VARIABLE_NUMBER \
sl@0:                     [expr {$::SQLITE_MAX_VARIABLE_NUMBER/2}]
sl@0:   } $SQLITE_MAX_VARIABLE_NUMBER
sl@0:   do_test sqllimits1-2.10.2 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_VARIABLE_NUMBER -1
sl@0:   } [expr {$SQLITE_MAX_VARIABLE_NUMBER/2}]
sl@0: }
sl@0: 
sl@0: # In a separate database connection, verify that the limits are unchanged.
sl@0: #
sl@0: do_test sqllimits1-3.1 {
sl@0:   sqlite3_limit db2 SQLITE_LIMIT_LENGTH -1
sl@0: } $SQLITE_MAX_LENGTH
sl@0: do_test sqllimits1-3.2 {
sl@0:   sqlite3_limit db2 SQLITE_LIMIT_SQL_LENGTH -1
sl@0: } $SQLITE_MAX_SQL_LENGTH
sl@0: do_test sqllimits1-3.3 {
sl@0:   sqlite3_limit db2 SQLITE_LIMIT_COLUMN -1
sl@0: } $SQLITE_MAX_COLUMN
sl@0: do_test sqllimits1-3.4 {
sl@0:   sqlite3_limit db2 SQLITE_LIMIT_EXPR_DEPTH -1
sl@0: } $SQLITE_MAX_EXPR_DEPTH
sl@0: do_test sqllimits1-3.5 {
sl@0:   sqlite3_limit db2 SQLITE_LIMIT_COMPOUND_SELECT -1
sl@0: } $SQLITE_MAX_COMPOUND_SELECT
sl@0: do_test sqllimits1-3.6 {
sl@0:   sqlite3_limit db2 SQLITE_LIMIT_VDBE_OP -1
sl@0: } $SQLITE_MAX_VDBE_OP
sl@0: do_test sqllimits1-3.7 {
sl@0:   sqlite3_limit db2 SQLITE_LIMIT_FUNCTION_ARG -1
sl@0: } $SQLITE_MAX_FUNCTION_ARG
sl@0: do_test sqllimits1-3.8 {
sl@0:   sqlite3_limit db2 SQLITE_LIMIT_ATTACHED -1
sl@0: } $SQLITE_MAX_ATTACHED
sl@0: do_test sqllimits1-3.9 {
sl@0:   sqlite3_limit db2 SQLITE_LIMIT_LIKE_PATTERN_LENGTH -1
sl@0: } $SQLITE_MAX_LIKE_PATTERN_LENGTH
sl@0: do_test sqllimits1-3.10 {
sl@0:   sqlite3_limit db2 SQLITE_LIMIT_VARIABLE_NUMBER -1
sl@0: } $SQLITE_MAX_VARIABLE_NUMBER
sl@0: db2 close
sl@0: 
sl@0: # Attempt to set all limits to the maximum 32-bit integer.  Verify
sl@0: # that the limit does not exceed the compile-time upper bound.
sl@0: #
sl@0: do_test sqllimits1-4.1.1 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_LENGTH 0x7fffffff
sl@0:   sqlite3_limit db SQLITE_LIMIT_LENGTH -1
sl@0: } $SQLITE_MAX_LENGTH
sl@0: do_test sqllimits1-4.2.1 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH 0x7fffffff
sl@0:   sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH -1
sl@0: } $SQLITE_MAX_SQL_LENGTH
sl@0: do_test sqllimits1-4.3.1 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_COLUMN 0x7fffffff
sl@0:   sqlite3_limit db SQLITE_LIMIT_COLUMN -1
sl@0: } $SQLITE_MAX_COLUMN
sl@0: do_test sqllimits1-4.4.1 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_EXPR_DEPTH 0x7fffffff
sl@0:   sqlite3_limit db SQLITE_LIMIT_EXPR_DEPTH -1
sl@0: } $SQLITE_MAX_EXPR_DEPTH
sl@0: do_test sqllimits1-4.5.1 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT 0x7fffffff
sl@0:   sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT -1
sl@0: } $SQLITE_MAX_COMPOUND_SELECT
sl@0: do_test sqllimits1-4.6.1 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_VDBE_OP 0x7fffffff
sl@0:   sqlite3_limit db SQLITE_LIMIT_VDBE_OP -1
sl@0: } $SQLITE_MAX_VDBE_OP
sl@0: do_test sqllimits1-4.7.1 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG 0x7fffffff
sl@0:   sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG -1
sl@0: } $SQLITE_MAX_FUNCTION_ARG
sl@0: do_test sqllimits1-4.8.1 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_ATTACHED 0x7fffffff
sl@0:   sqlite3_limit db SQLITE_LIMIT_ATTACHED -1
sl@0: } $SQLITE_MAX_ATTACHED
sl@0: do_test sqllimits1-4.9.1 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH 0x7fffffff
sl@0:   sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH -1
sl@0: } $SQLITE_MAX_LIKE_PATTERN_LENGTH
sl@0: do_test sqllimits1-4.10.1 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_VARIABLE_NUMBER 0x7fffffff
sl@0:   sqlite3_limit db SQLITE_LIMIT_VARIABLE_NUMBER -1
sl@0: } $SQLITE_MAX_VARIABLE_NUMBER
sl@0: 
sl@0: #--------------------------------------------------------------------
sl@0: # Test cases sqllimits1-5.* test that the SQLITE_MAX_LENGTH limit
sl@0: # is enforced.
sl@0: #
sl@0: db close
sl@0: sqlite3 db test.db
sl@0: set LARGESIZE 99999
sl@0: set SQLITE_LIMIT_LENGTH 100000
sl@0: sqlite3_limit db SQLITE_LIMIT_LENGTH $SQLITE_LIMIT_LENGTH
sl@0: 
sl@0: do_test sqllimits1-5.1.1 {
sl@0:   catchsql { SELECT randomblob(2147483647) }
sl@0: } {1 {string or blob too big}}
sl@0: do_test sqllimits1-5.1.2 {
sl@0:   catchsql { SELECT zeroblob(2147483647) }
sl@0: } {1 {string or blob too big}}
sl@0: 
sl@0: do_test sqllimits1-5.2 {
sl@0:   catchsql { SELECT LENGTH(randomblob($::LARGESIZE)) }
sl@0: } [list 0 $LARGESIZE]
sl@0: 
sl@0: do_test sqllimits1-5.3 {
sl@0:   catchsql { SELECT quote(randomblob($::LARGESIZE)) }
sl@0: } {1 {string or blob too big}}
sl@0: 
sl@0: do_test sqllimits1-5.4 {
sl@0:   catchsql { SELECT LENGTH(zeroblob($::LARGESIZE)) }
sl@0: } [list 0 $LARGESIZE]
sl@0: 
sl@0: do_test sqllimits1-5.5 {
sl@0:   catchsql { SELECT quote(zeroblob($::LARGESIZE)) }
sl@0: } {1 {string or blob too big}}
sl@0: 
sl@0: do_test sqllimits1-5.6 {
sl@0:   catchsql { SELECT zeroblob(-1) }
sl@0: } {0 {{}}}
sl@0: 
sl@0: do_test sqllimits1-5.9 {
sl@0:   set ::str [string repeat A 65537]
sl@0:   set ::rep [string repeat B 65537]
sl@0:   catchsql { SELECT replace($::str, 'A', $::rep) }
sl@0: } {1 {string or blob too big}}
sl@0: 
sl@0: do_test sqllimits1-5.10 {
sl@0:   set ::str [string repeat %J 2100]
sl@0:   catchsql { SELECT strftime($::str, '2003-10-31') }
sl@0: } {1 {string or blob too big}}
sl@0: 
sl@0: do_test sqllimits1-5.11 {
sl@0:   set ::str1 [string repeat A [expr {$SQLITE_LIMIT_LENGTH - 10}]]
sl@0:   set ::str2 [string repeat B [expr {$SQLITE_LIMIT_LENGTH - 10}]]
sl@0:   catchsql { SELECT $::str1 || $::str2 }
sl@0: } {1 {string or blob too big}}
sl@0: 
sl@0: do_test sqllimits1-5.12 {
sl@0:   set ::str1 [string repeat ' [expr {$SQLITE_LIMIT_LENGTH - 10}]]
sl@0:   catchsql { SELECT quote($::str1) }
sl@0: } {1 {string or blob too big}}
sl@0: 
sl@0: do_test sqllimits1-5.13 {
sl@0:   set ::str1 [string repeat ' [expr {$SQLITE_LIMIT_LENGTH - 10}]]
sl@0:   catchsql { SELECT hex($::str1) }
sl@0: } {1 {string or blob too big}}
sl@0: 
sl@0: do_test sqllimits1-5.14.1 {
sl@0:   set ::STMT [sqlite3_prepare db "SELECT ?" -1 TAIL]
sl@0:   sqlite3_bind_zeroblob $::STMT 1 [expr {$SQLITE_LIMIT_LENGTH + 1}]
sl@0: } {}
sl@0: do_test sqllimits1-5.14.2 {
sl@0:   sqlite3_step $::STMT 
sl@0: } {SQLITE_ERROR}
sl@0: do_test sqllimits1-5.14.3 {
sl@0:   sqlite3_reset $::STMT 
sl@0: } {SQLITE_TOOBIG}
sl@0: do_test sqllimits1-5.14.4 {
sl@0:   set np1 [expr {$SQLITE_LIMIT_LENGTH + 1}]
sl@0:   set ::str1 [string repeat A $np1]
sl@0:   catch {sqlite3_bind_text $::STMT 1 $::str1 -1} res
sl@0:   set res
sl@0: } {SQLITE_TOOBIG}
sl@0: do_test sqllimits1-5.14.5 {
sl@0:   catch {sqlite3_bind_text16 $::STMT 1 $::str1 -1} res
sl@0:   set res
sl@0: } {SQLITE_TOOBIG}
sl@0: do_test sqllimits1-5.14.6 {
sl@0:   catch {sqlite3_bind_text $::STMT 1 $::str1 $np1} res
sl@0:   set res
sl@0: } {SQLITE_TOOBIG}
sl@0: do_test sqllimits1-5.14.7 {
sl@0:   catch {sqlite3_bind_text16 $::STMT 1 $::str1 $np1} res
sl@0:   set res
sl@0: } {SQLITE_TOOBIG}
sl@0: do_test sqllimits1-5.14.8 {
sl@0:   set n [expr {$np1-1}]
sl@0:   catch {sqlite3_bind_text $::STMT 1 $::str1 $n} res
sl@0:   set res
sl@0: } {}
sl@0: do_test sqllimits1-5.14.9 {
sl@0:   catch {sqlite3_bind_text16 $::STMT 1 $::str1 $n} res
sl@0:   set res
sl@0: } {}
sl@0: sqlite3_finalize $::STMT 
sl@0: 
sl@0: do_test sqllimits1-5.15 {
sl@0:   execsql {
sl@0:     CREATE TABLE t4(x);
sl@0:     INSERT INTO t4 VALUES(1);
sl@0:     INSERT INTO t4 VALUES(2);
sl@0:     INSERT INTO t4 SELECT 2+x FROM t4;
sl@0:   }
sl@0:   catchsql {
sl@0:     SELECT group_concat(hex(randomblob(20000))) FROM t4;
sl@0:   }
sl@0: } {1 {string or blob too big}}
sl@0: db eval {DROP TABLE t4}
sl@0: 
sl@0: sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH 0x7fffffff
sl@0: set strvalue [string repeat A $::SQLITE_LIMIT_LENGTH]
sl@0: do_test sqllimits1-5.16 {
sl@0:   catchsql "SELECT '$strvalue'"
sl@0: } [list 0 $strvalue]
sl@0: do_test sqllimits1-5.17.1 {
sl@0:   catchsql "SELECT 'A$strvalue'"
sl@0: } [list 1 {string or blob too big}]
sl@0: do_test sqllimits1-5.17.2 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_LENGTH 0x7fffffff
sl@0:   catchsql {SELECT 'A' || $::strvalue}
sl@0: } [list 0 A$strvalue]
sl@0: do_test sqllimits1-5.17.3 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_LENGTH $SQLITE_LIMIT_LENGTH
sl@0:   catchsql {SELECT 'A' || $::strvalue}
sl@0: } [list 1 {string or blob too big}]
sl@0: set blobvalue [string repeat 41 $::SQLITE_LIMIT_LENGTH]
sl@0: do_test sqllimits1-5.18 {
sl@0:   catchsql "SELECT x'$blobvalue'"
sl@0: } [list 0 $strvalue]
sl@0: do_test sqllimits1-5.19 {
sl@0:   catchsql "SELECT '41$blobvalue'"
sl@0: } [list 1 {string or blob too big}]
sl@0: unset blobvalue
sl@0: 
sl@0: ifcapable datetime {
sl@0:   set strvalue [string repeat D [expr {$SQLITE_LIMIT_LENGTH-12}]]
sl@0:   do_test sqllimits1-5.20 {
sl@0:     catchsql {SELECT strftime('%Y ' || $::strvalue, '2008-01-02')}
sl@0:   } [list 0 [list "2008 $strvalue"]]
sl@0:   do_test sqllimits1-5.21 {
sl@0:     catchsql {SELECT strftime('%Y-%m-%d ' || $::strvalue, '2008-01-02')}
sl@0:   } {1 {string or blob too big}}
sl@0: }
sl@0: unset strvalue
sl@0: 
sl@0: #--------------------------------------------------------------------
sl@0: # Test cases sqllimits1-6.* test that the SQLITE_MAX_SQL_LENGTH limit
sl@0: # is enforced.
sl@0: #
sl@0: # Symbian OS: the next test fails because the max expression depth is limited to 250. 
sl@0: if {$::tcl_platform(platform)!="symbian"} {
sl@0:   do_test sqllimits1-6.1 {
sl@0:     sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH 50000
sl@0:     set sql "SELECT 1 WHERE 1==1"
sl@0:     set tail " /* A comment to take up space in order to make the string\
sl@0:                   longer without increasing the expression depth */\
sl@0:                   AND   1  ==  1"
sl@0:     set N [expr {(50000 / [string length $tail])+1}]
sl@0:     append sql [string repeat $tail $N]
sl@0:     catchsql $sql
sl@0:   } {1 {String or BLOB exceeded size limit}}
sl@0: }
sl@0: do_test sqllimits1-6.3 {
sl@0:   sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH 50000
sl@0:   set sql "SELECT 1 WHERE 1==1"
sl@0:   set tail " /* A comment to take up space in order to make the string\
sl@0:                 longer without increasing the expression depth */\
sl@0:                 AND   1  ==  1"
sl@0:   set N [expr {(50000 / [string length $tail])+1}]
sl@0:   append sql [string repeat $tail $N]
sl@0:   set nbytes [string length $sql]
sl@0:   append sql { AND 0}
sl@0:   set rc [catch {sqlite3_prepare db $sql $nbytes TAIL} STMT]
sl@0:   lappend rc $STMT
sl@0: } {1 {(18) statement too long}}
sl@0: do_test sqllimits1-6.4 {
sl@0:   sqlite3_errmsg db
sl@0: } {statement too long}
sl@0: 
sl@0: #--------------------------------------------------------------------
sl@0: # Test cases sqllimits1-7.* test that the limit set using the
sl@0: # max_page_count pragma.
sl@0: #
sl@0: do_test sqllimits1-7.1 {
sl@0:   execsql {
sl@0:     PRAGMA max_page_count = 1000;
sl@0:   }
sl@0: } {1000}
sl@0: do_test sqllimits1-7.2 {
sl@0:   execsql { CREATE TABLE trig (a INTEGER, b INTEGER); }
sl@0: 
sl@0:   # Set up a tree of triggers to fire when a row is inserted
sl@0:   # into table "trig".
sl@0:   #
sl@0:   # INSERT -> insert_b -> update_b -> insert_a -> update_a      (chain 1)
sl@0:   #                    -> update_a -> insert_a -> update_b      (chain 2)
sl@0:   #        -> insert_a -> update_b -> insert_b -> update_a      (chain 3)
sl@0:   #                    -> update_a -> insert_b -> update_b      (chain 4)
sl@0:   #
sl@0:   # Table starts with N rows.
sl@0:   #
sl@0:   #   Chain 1: insert_b (update N rows)
sl@0:   #              -> update_b (insert 1 rows)
sl@0:   #                -> insert_a (update N rows)
sl@0:   #                  -> update_a (insert 1 rows)
sl@0:   #
sl@0:   # chains 2, 3 and 4 are similar. Each inserts more than N^2 rows, where
sl@0:   # N is the number of rows at the conclusion of the previous chain.
sl@0:   #
sl@0:   # Therefore, a single insert adds (N^16 plus some) rows to the database.
sl@0:   # A really long loop...
sl@0:   #     
sl@0:   execsql {
sl@0:     CREATE TRIGGER update_b BEFORE UPDATE ON trig
sl@0:       FOR EACH ROW BEGIN
sl@0:         INSERT INTO trig VALUES (65, 'update_b');
sl@0:       END;
sl@0: 
sl@0:     CREATE TRIGGER update_a AFTER UPDATE ON trig
sl@0:       FOR EACH ROW BEGIN
sl@0:         INSERT INTO trig VALUES (65, 'update_a');
sl@0:       END;
sl@0: 
sl@0:     CREATE TRIGGER insert_b BEFORE INSERT ON trig
sl@0:       FOR EACH ROW BEGIN
sl@0:         UPDATE trig SET a = 1;
sl@0:       END;
sl@0: 
sl@0:     CREATE TRIGGER insert_a AFTER INSERT ON trig
sl@0:       FOR EACH ROW BEGIN
sl@0:         UPDATE trig SET a = 1;
sl@0:       END;
sl@0:   }
sl@0: } {}
sl@0: 
sl@0: do_test sqllimits1-7.3 {
sl@0:   execsql {
sl@0:     INSERT INTO trig VALUES (1,1); 
sl@0:   }
sl@0: } {}
sl@0: 
sl@0: do_test sqllimits1-7.4 {
sl@0:   execsql {
sl@0:     SELECT COUNT(*) FROM trig;
sl@0:   }
sl@0: } {7}
sl@0: 
sl@0: # This tries to insert so many rows it fills up the database (limited
sl@0: # to 1MB, so not that noteworthy an achievement).
sl@0: #
sl@0: do_test sqllimits1-7.5 {
sl@0:   catchsql {
sl@0:     INSERT INTO trig VALUES (1,10);
sl@0:   }
sl@0: } {1 {database or disk is full}}
sl@0: 
sl@0: do_test sqllimits1-7.6 {
sl@0:   catchsql {
sl@0:     SELECT COUNT(*) FROM trig;
sl@0:   }
sl@0: } {0 7}
sl@0: 
sl@0: # Now check the response of the library to opening a file larger than
sl@0: # the current max_page_count value. The response is to change the
sl@0: # internal max_page_count value to match the actual size of the file.
sl@0: if {[db eval {PRAGMA auto_vacuum}]} {
sl@0:    set fsize 1700
sl@0: } else {
sl@0:    set fsize 1691
sl@0: }
sl@0: do_test sqllimits1-7.7.1 {
sl@0:   execsql {
sl@0:     PRAGMA max_page_count = 1000000;
sl@0:     CREATE TABLE abc(a, b, c);
sl@0:     INSERT INTO abc VALUES(1, 2, 3);
sl@0:     INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
sl@0:     INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
sl@0:     INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
sl@0:     INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
sl@0:     INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
sl@0:     INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
sl@0:     INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
sl@0:     INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
sl@0:     INSERT INTO abc SELECT a, b, c FROM abc;
sl@0:     INSERT INTO abc SELECT b, a, c FROM abc;
sl@0:     INSERT INTO abc SELECT c, b, a FROM abc;
sl@0:   }
sl@0:   expr [file size test.db] / 1024
sl@0: } $fsize
sl@0: do_test sqllimits1-7.7.2 {
sl@0:   db close
sl@0:   sqlite3 db test.db
sl@0:   execsql {
sl@0:     PRAGMA max_page_count = 1000;
sl@0:   }
sl@0:   execsql {
sl@0:     SELECT count(*) FROM sqlite_master;
sl@0:   }
sl@0: } {6}
sl@0: do_test sqllimits1-7.7.3 {
sl@0:   execsql {
sl@0:     PRAGMA max_page_count;
sl@0:   }
sl@0: } $fsize
sl@0: do_test sqllimits1-7.7.4 {
sl@0:   execsql {
sl@0:     DROP TABLE abc;
sl@0:   }
sl@0: } {}
sl@0: 
sl@0: #--------------------------------------------------------------------
sl@0: # Test cases sqllimits1-8.* test the SQLITE_MAX_COLUMN limit.
sl@0: #
sl@0: set SQLITE_LIMIT_COLUMN 200
sl@0: sqlite3_limit db SQLITE_LIMIT_COLUMN $SQLITE_LIMIT_COLUMN
sl@0: do_test sqllimits1-8.1 {
sl@0:   # Columns in a table.
sl@0:   set cols [list]
sl@0:   for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
sl@0:     lappend cols "c$i"
sl@0:   }
sl@0:   catchsql "CREATE TABLE t([join $cols ,])" 
sl@0: } {1 {too many columns on t}}
sl@0: 
sl@0: do_test sqllimits1-8.2 {
sl@0:   # Columns in the result-set of a SELECT.
sl@0:   set cols [list]
sl@0:   for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
sl@0:     lappend cols "sql AS sql$i"
sl@0:   }
sl@0:   catchsql "SELECT [join $cols ,] FROM sqlite_master"
sl@0: } {1 {too many columns in result set}}
sl@0: 
sl@0: do_test sqllimits1-8.3 {
sl@0:   # Columns in the result-set of a sub-SELECT.
sl@0:   set cols [list]
sl@0:   for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
sl@0:     lappend cols "sql AS sql$i"
sl@0:   }
sl@0:   catchsql "SELECT sql4 FROM (SELECT [join $cols ,] FROM sqlite_master)"
sl@0: } {1 {too many columns in result set}}
sl@0: 
sl@0: do_test sqllimits1-8.4 {
sl@0:   # Columns in an index.
sl@0:   set cols [list]
sl@0:   for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
sl@0:     lappend cols c
sl@0:   }
sl@0:   set sql1 "CREATE TABLE t1(c);"
sl@0:   set sql2 "CREATE INDEX i1 ON t1([join $cols ,]);"
sl@0:   catchsql "$sql1 ; $sql2"
sl@0: } {1 {too many columns in index}}
sl@0: 
sl@0: do_test sqllimits1-8.5 {
sl@0:   # Columns in a GROUP BY clause.
sl@0:   catchsql "SELECT * FROM t1 GROUP BY [join $cols ,]"
sl@0: } {1 {too many terms in GROUP BY clause}}
sl@0: 
sl@0: do_test sqllimits1-8.6 {
sl@0:   # Columns in an ORDER BY clause.
sl@0:   catchsql "SELECT * FROM t1 ORDER BY [join $cols ,]"
sl@0: } {1 {too many terms in ORDER BY clause}}
sl@0: 
sl@0: do_test sqllimits1-8.7 {
sl@0:   # Assignments in an UPDATE statement.
sl@0:   set cols [list]
sl@0:   for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
sl@0:     lappend cols "c = 1"
sl@0:   }
sl@0:   catchsql "UPDATE t1 SET [join $cols ,];"
sl@0: } {1 {too many columns in set list}}
sl@0: 
sl@0: do_test sqllimits1-8.8 {
sl@0:   # Columns in a view definition:
sl@0:   set cols [list]
sl@0:   for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
sl@0:     lappend cols "c$i"
sl@0:   }
sl@0:   catchsql "CREATE VIEW v1 AS SELECT [join $cols ,] FROM t1;"
sl@0: } {1 {too many columns in result set}}
sl@0: 
sl@0: do_test sqllimits1-8.9 {
sl@0:   # Columns in a view definition (testing * expansion):
sl@0:   set cols [list]
sl@0:   for {set i 0} {$i < $SQLITE_LIMIT_COLUMN} {incr i} {
sl@0:     lappend cols "c$i"
sl@0:   }
sl@0:   catchsql "CREATE TABLE t2([join $cols ,])"
sl@0:   catchsql "CREATE VIEW v1 AS SELECT *, c1 AS o FROM t2;"
sl@0: } {1 {too many columns in result set}}
sl@0: do_test sqllimits1-8.10 {
sl@0:   # ORDER BY columns
sl@0:   set cols [list]
sl@0:   for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
sl@0:     lappend cols c
sl@0:   }
sl@0:   set sql "SELECT c FROM t1 ORDER BY [join $cols ,]"
sl@0:   catchsql $sql
sl@0: } {1 {too many terms in ORDER BY clause}}
sl@0: do_test sqllimits1-8.11 {
sl@0:   # ORDER BY columns
sl@0:   set cols [list]
sl@0:   for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
sl@0:     lappend cols [expr {$i%3 + 1}]
sl@0:   }
sl@0:   set sql "SELECT c, c+1, c+2 FROM t1 UNION SELECT c-1, c-2, c-3 FROM t1"
sl@0:   append sql " ORDER BY [join $cols ,]"
sl@0:   catchsql $sql
sl@0: } {1 {too many terms in ORDER BY clause}}
sl@0: 
sl@0: 
sl@0: #--------------------------------------------------------------------
sl@0: # These tests - sqllimits1-9.* - test that the SQLITE_LIMIT_EXPR_DEPTH
sl@0: # limit is enforced. The limit refers to the number of terms in 
sl@0: # the expression.
sl@0: #
sl@0: if {$SQLITE_MAX_EXPR_DEPTH==0} {
sl@0:   puts -nonewline stderr "WARNING: Compile with -DSQLITE_MAX_EXPR_DEPTH to run "
sl@0:   puts stderr "tests sqllimits1-9.X"
sl@0: } else {
sl@0:   do_test sqllimits1-9.1 {
sl@0:     set max $::SQLITE_MAX_EXPR_DEPTH
sl@0:     set expr "(1 [string repeat {AND 1 } $max])"
sl@0:     catchsql [subst {
sl@0:       SELECT $expr
sl@0:     }]
sl@0:   } "1 {Expression tree is too large (maximum depth $::SQLITE_MAX_EXPR_DEPTH)}"
sl@0:   
sl@0:   # Attempting to beat the expression depth limit using nested SELECT
sl@0:   # queries causes a parser stack overflow. 
sl@0:   do_test sqllimits1-9.2 {
sl@0:     set max $::SQLITE_MAX_EXPR_DEPTH
sl@0:     set expr "SELECT 1"
sl@0:     for {set i 0} {$i <= $max} {incr i} {
sl@0:       set expr "SELECT ($expr)"
sl@0:     }
sl@0:     catchsql [subst { $expr }]
sl@0:   } "1 {parser stack overflow}"
sl@0:   
sl@0: if 0 {  
sl@0:   do_test sqllimits1-9.3 {
sl@0:     execsql {
sl@0:       PRAGMA max_page_count = 1000000;  -- 1 GB
sl@0:       CREATE TABLE v0(a);
sl@0:       INSERT INTO v0 VALUES(1);
sl@0:     }
sl@0:     db transaction {
sl@0:       for {set i 1} {$i < 200} {incr i} {
sl@0:         set expr "(a [string repeat {AND 1 } 50]) AS a"
sl@0:         execsql [subst {
sl@0:           CREATE VIEW v${i} AS SELECT $expr FROM v[expr {$i-1}]
sl@0:         }]
sl@0:       }
sl@0:     }
sl@0:   } {}
sl@0:   
sl@0:   do_test sqllimits1-9.4 {
sl@0:     catchsql {
sl@0:       SELECT a FROM v199
sl@0:     }
sl@0:   } "1 {Expression tree is too large (maximum depth $::SQLITE_MAX_EXPR_DEPTH)}"
sl@0: }
sl@0: }
sl@0: 
sl@0: #--------------------------------------------------------------------
sl@0: # Test cases sqllimits1-10.* test that the SQLITE_MAX_VDBE_OP
sl@0: # limit works as expected. The limit refers to the number of opcodes
sl@0: # in a single VDBE program.
sl@0: #
sl@0: # TODO
sl@0: 
sl@0: #--------------------------------------------------------------------
sl@0: # Test the SQLITE_LIMIT_FUNCTION_ARG limit works. Test case names
sl@0: # match the pattern "sqllimits1-11.*".
sl@0: #
sl@0: do_test sqllimits1-11.1 {
sl@0:   set max $::SQLITE_MAX_FUNCTION_ARG
sl@0:   set vals [list]
sl@0:   for {set i 0} {$i < $SQLITE_MAX_FUNCTION_ARG} {incr i} {
sl@0:     lappend vals $i
sl@0:   }
sl@0:   catchsql "SELECT max([join $vals ,])"
sl@0: } "0 [expr {$::SQLITE_MAX_FUNCTION_ARG - 1}]"
sl@0: do_test sqllimits1-11.2 {
sl@0:   set max $::SQLITE_MAX_FUNCTION_ARG
sl@0:   set vals [list]
sl@0:   for {set i 0} {$i <= $SQLITE_MAX_FUNCTION_ARG} {incr i} {
sl@0:     lappend vals $i
sl@0:   }
sl@0:   catchsql "SELECT max([join $vals ,])"
sl@0: } {1 {too many arguments on function max}}
sl@0: 
sl@0: # Test that it is SQLite, and not the implementation of the
sl@0: # user function that is throwing the error.
sl@0: proc myfunc {args} {error "I don't like to be called!"}
sl@0: do_test sqllimits1-11.2 {
sl@0:   db function myfunc myfunc
sl@0:   set max $::SQLITE_MAX_FUNCTION_ARG
sl@0:   set vals [list]
sl@0:   for {set i 0} {$i <= $SQLITE_MAX_FUNCTION_ARG} {incr i} {
sl@0:     lappend vals $i
sl@0:   }
sl@0:   catchsql "SELECT myfunc([join $vals ,])"
sl@0: } {1 {too many arguments on function myfunc}}
sl@0: 
sl@0: 
sl@0: #--------------------------------------------------------------------
sl@0: # Test cases sqllimits1-12.*: Test the SQLITE_MAX_ATTACHED limit.
sl@0: #
sl@0: ifcapable attach {
sl@0:   do_test sqllimits1-12.1 {
sl@0:     set max $::SQLITE_MAX_ATTACHED
sl@0:     for {set i 0} {$i < ($max)} {incr i} {
sl@0:       file delete -force test${i}.db test${i}.db-journal
sl@0:     }
sl@0:     for {set i 0} {$i < ($max)} {incr i} {
sl@0:       execsql "ATTACH 'test${i}.db' AS aux${i}"
sl@0:     }
sl@0:     catchsql "ATTACH 'test${i}.db' AS aux${i}"
sl@0:   } "1 {too many attached databases - max $::SQLITE_MAX_ATTACHED}"
sl@0:   do_test sqllimits1-12.2 {
sl@0:     set max $::SQLITE_MAX_ATTACHED
sl@0:     for {set i 0} {$i < ($max)} {incr i} {
sl@0:       execsql "DETACH aux${i}"
sl@0:     }
sl@0:   } {}
sl@0: }
sl@0: 
sl@0: #--------------------------------------------------------------------
sl@0: # Test cases sqllimits1-13.*: Check that the SQLITE_MAX_VARIABLE_NUMBER 
sl@0: # limit works.
sl@0: #
sl@0: do_test sqllimits1-13.1 {
sl@0:   set max $::SQLITE_MAX_VARIABLE_NUMBER
sl@0:   catchsql "SELECT ?[expr {$max+1}] FROM t1"
sl@0: } "1 {variable number must be between ?1 and ?$::SQLITE_MAX_VARIABLE_NUMBER}"
sl@0: do_test sqllimits1-13.2 {
sl@0:   set max $::SQLITE_MAX_VARIABLE_NUMBER
sl@0:   set vals [list]
sl@0:   for {set i 0} {$i < ($max+3)} {incr i} {
sl@0:     lappend vals ?
sl@0:   }
sl@0:   catchsql "SELECT [join $vals ,] FROM t1"
sl@0: } "1 {too many SQL variables}"
sl@0: 
sl@0: 
sl@0: #--------------------------------------------------------------------
sl@0: # Test cases sqllimits1-15.* verify that the 
sl@0: # SQLITE_MAX_LIKE_PATTERN_LENGTH limit is enforced. This limit only
sl@0: # applies to the built-in LIKE operator, supplying an external 
sl@0: # implementation by overriding the like() scalar function bypasses
sl@0: # this limitation.
sl@0: #
sl@0: # These tests check that the limit is not incorrectly applied to
sl@0: # the left-hand-side of the LIKE operator (the string being tested
sl@0: # against the pattern).
sl@0: #
sl@0: set SQLITE_LIMIT_LIKE_PATTERN 1000
sl@0: sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH $SQLITE_LIMIT_LIKE_PATTERN
sl@0: do_test sqllimits1-15.1 {
sl@0:   set max $::SQLITE_LIMIT_LIKE_PATTERN
sl@0:   set ::pattern [string repeat "A%" [expr $max/2]]
sl@0:   set ::string  [string repeat "A" [expr {$max*2}]]
sl@0:   execsql {
sl@0:     SELECT $::string LIKE $::pattern;
sl@0:   }
sl@0: } {1}
sl@0: do_test sqllimits1-15.2 {
sl@0:   set max $::SQLITE_LIMIT_LIKE_PATTERN
sl@0:   set ::pattern [string repeat "A%" [expr {($max/2) + 1}]]
sl@0:   set ::string  [string repeat "A" [expr {$max*2}]]
sl@0:   catchsql {
sl@0:     SELECT $::string LIKE $::pattern;
sl@0:   }
sl@0: } {1 {LIKE or GLOB pattern too complex}}
sl@0: 
sl@0: #--------------------------------------------------------------------
sl@0: # This test case doesn't really belong with the other limits tests.
sl@0: # It is in this file because it is taxing to run, like the limits tests.
sl@0: #
sl@0: do_test sqllimits1-16.1 {
sl@0:   set ::N [expr int(([expr pow(2,32)]/50) + 1)]
sl@0:   expr (($::N*50) & 0xffffffff)<55
sl@0: } {1}
sl@0: #
sl@0: # Symbian: This test case is crashing tclsqlite3.exe if uncommented.
sl@0: #
sl@0: if {$tcl_platform(platform)!="symbian"} {
sl@0:   do_test sqllimits1-16.2 {
sl@0:     set ::format "[string repeat A 60][string repeat "%J" $::N]"
sl@0:     catchsql {
sl@0:       SELECT strftime($::format, 1);
sl@0:     }
sl@0:   } {1 {string or blob too big}}
sl@0: }
sl@0: 
sl@0: foreach {key value} [array get saved] {
sl@0:   catch {set $key $value}
sl@0: }
sl@0: finish_test