979 lines
30 KiB
Plaintext
979 lines
30 KiB
Plaintext
# 2007 May 8
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# This file contains tests to verify that the limits defined in
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# sqlite source file limits.h are enforced.
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#
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# $Id: sqllimits1.test,v 1.33 2009/06/25 01:47:12 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix sqllimits1
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# Verify that the default per-connection limits are the same as
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# the compile-time hard limits.
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#
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sqlite3 db2 :memory:
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do_test sqllimits1-1.1 {
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sqlite3_limit db SQLITE_LIMIT_LENGTH -1
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} $SQLITE_MAX_LENGTH
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do_test sqllimits1-1.2 {
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sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH -1
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} $SQLITE_MAX_SQL_LENGTH
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do_test sqllimits1-1.3 {
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sqlite3_limit db SQLITE_LIMIT_COLUMN -1
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} $SQLITE_MAX_COLUMN
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do_test sqllimits1-1.4 {
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sqlite3_limit db SQLITE_LIMIT_EXPR_DEPTH -1
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} $SQLITE_MAX_EXPR_DEPTH
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do_test sqllimits1-1.5 {
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sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT -1
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} $SQLITE_MAX_COMPOUND_SELECT
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do_test sqllimits1-1.6 {
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sqlite3_limit db SQLITE_LIMIT_VDBE_OP -1
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} $SQLITE_MAX_VDBE_OP
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do_test sqllimits1-1.7 {
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sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG -1
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} $SQLITE_MAX_FUNCTION_ARG
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do_test sqllimits1-1.8 {
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sqlite3_limit db SQLITE_LIMIT_ATTACHED -1
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} $SQLITE_MAX_ATTACHED
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do_test sqllimits1-1.9 {
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sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH -1
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} $SQLITE_MAX_LIKE_PATTERN_LENGTH
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do_test sqllimits1-1.10 {
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sqlite3_limit db SQLITE_LIMIT_VARIABLE_NUMBER -1
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} $SQLITE_MAX_VARIABLE_NUMBER
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do_test sqllimits1-1.11 {
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sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH -1
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} $SQLITE_MAX_TRIGGER_DEPTH
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do_test sqllimits1-1.12 {
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sqlite3_limit db SQLITE_LIMIT_WORKER_THREADS 99999
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sqlite3_limit db SQLITE_LIMIT_WORKER_THREADS -1
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} $SQLITE_MAX_WORKER_THREADS
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# Limit parameters out of range.
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#
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do_test sqllimits1-1.20 {
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sqlite3_limit db SQLITE_LIMIT_TOOSMALL 123
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} {-1}
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do_test sqllimits1-1.21 {
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sqlite3_limit db SQLITE_LIMIT_TOOSMALL 123
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} {-1}
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do_test sqllimits1-1.22 {
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sqlite3_limit db SQLITE_LIMIT_TOOBIG 123
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} {-1}
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do_test sqllimits1-1.23 {
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sqlite3_limit db SQLITE_LIMIT_TOOBIG 123
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} {-1}
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# Decrease all limits by half. Verify that the new limits take.
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#
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if {$SQLITE_MAX_LENGTH>=2} {
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do_test sqllimits1-2.1.1 {
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sqlite3_limit db SQLITE_LIMIT_LENGTH \
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[expr {$::SQLITE_MAX_LENGTH/2}]
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} $SQLITE_MAX_LENGTH
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do_test sqllimits1-2.1.2 {
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sqlite3_limit db SQLITE_LIMIT_LENGTH -1
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} [expr {$SQLITE_MAX_LENGTH/2}]
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}
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if {$SQLITE_MAX_SQL_LENGTH>=2} {
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do_test sqllimits1-2.2.1 {
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sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH \
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[expr {$::SQLITE_MAX_SQL_LENGTH/2}]
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} $SQLITE_MAX_SQL_LENGTH
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do_test sqllimits1-2.2.2 {
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sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH -1
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} [expr {$SQLITE_MAX_SQL_LENGTH/2}]
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}
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if {$SQLITE_MAX_COLUMN>=2} {
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do_test sqllimits1-2.3.1 {
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sqlite3_limit db SQLITE_LIMIT_COLUMN \
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[expr {$::SQLITE_MAX_COLUMN/2}]
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} $SQLITE_MAX_COLUMN
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do_test sqllimits1-2.3.2 {
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sqlite3_limit db SQLITE_LIMIT_COLUMN -1
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} [expr {$SQLITE_MAX_COLUMN/2}]
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}
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if {$SQLITE_MAX_EXPR_DEPTH>=2} {
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do_test sqllimits1-2.4.1 {
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sqlite3_limit db SQLITE_LIMIT_EXPR_DEPTH \
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[expr {$::SQLITE_MAX_EXPR_DEPTH/2}]
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} $SQLITE_MAX_EXPR_DEPTH
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do_test sqllimits1-2.4.2 {
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sqlite3_limit db SQLITE_LIMIT_EXPR_DEPTH -1
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} [expr {$SQLITE_MAX_EXPR_DEPTH/2}]
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}
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if {$SQLITE_MAX_COMPOUND_SELECT>=2} {
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do_test sqllimits1-2.5.1 {
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sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT \
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[expr {$::SQLITE_MAX_COMPOUND_SELECT/2}]
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} $SQLITE_MAX_COMPOUND_SELECT
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do_test sqllimits1-2.5.2 {
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sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT -1
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} [expr {$SQLITE_MAX_COMPOUND_SELECT/2}]
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}
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if {$SQLITE_MAX_VDBE_OP>=2} {
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do_test sqllimits1-2.6.1 {
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sqlite3_limit db SQLITE_LIMIT_VDBE_OP \
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[expr {$::SQLITE_MAX_VDBE_OP/2}]
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} $SQLITE_MAX_VDBE_OP
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do_test sqllimits1-2.6.2 {
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sqlite3_limit db SQLITE_LIMIT_VDBE_OP -1
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} [expr {$SQLITE_MAX_VDBE_OP/2}]
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}
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if {$SQLITE_MAX_FUNCTION_ARG>=2} {
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do_test sqllimits1-2.7.1 {
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sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG \
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[expr {$::SQLITE_MAX_FUNCTION_ARG/2}]
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} $SQLITE_MAX_FUNCTION_ARG
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do_test sqllimits1-2.7.2 {
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sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG -1
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} [expr {$SQLITE_MAX_FUNCTION_ARG/2}]
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}
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if {$SQLITE_MAX_ATTACHED>=2} {
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do_test sqllimits1-2.8.1 {
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sqlite3_limit db SQLITE_LIMIT_ATTACHED \
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[expr {$::SQLITE_MAX_ATTACHED/2}]
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} $SQLITE_MAX_ATTACHED
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do_test sqllimits1-2.8.2 {
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sqlite3_limit db SQLITE_LIMIT_ATTACHED -1
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} [expr {$SQLITE_MAX_ATTACHED/2}]
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}
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if {$SQLITE_MAX_LIKE_PATTERN_LENGTH>=2} {
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do_test sqllimits1-2.9.1 {
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sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH \
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[expr {$::SQLITE_MAX_LIKE_PATTERN_LENGTH/2}]
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} $SQLITE_MAX_LIKE_PATTERN_LENGTH
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do_test sqllimits1-2.9.2 {
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sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH -1
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} [expr {$SQLITE_MAX_LIKE_PATTERN_LENGTH/2}]
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}
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if {$SQLITE_MAX_VARIABLE_NUMBER>=2} {
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do_test sqllimits1-2.10.1 {
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sqlite3_limit db SQLITE_LIMIT_VARIABLE_NUMBER \
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[expr {$::SQLITE_MAX_VARIABLE_NUMBER/2}]
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} $SQLITE_MAX_VARIABLE_NUMBER
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do_test sqllimits1-2.10.2 {
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sqlite3_limit db SQLITE_LIMIT_VARIABLE_NUMBER -1
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} [expr {$SQLITE_MAX_VARIABLE_NUMBER/2}]
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}
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# In a separate database connection, verify that the limits are unchanged.
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#
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do_test sqllimits1-3.1 {
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sqlite3_limit db2 SQLITE_LIMIT_LENGTH -1
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} $SQLITE_MAX_LENGTH
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do_test sqllimits1-3.2 {
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sqlite3_limit db2 SQLITE_LIMIT_SQL_LENGTH -1
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} $SQLITE_MAX_SQL_LENGTH
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do_test sqllimits1-3.3 {
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sqlite3_limit db2 SQLITE_LIMIT_COLUMN -1
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} $SQLITE_MAX_COLUMN
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do_test sqllimits1-3.4 {
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sqlite3_limit db2 SQLITE_LIMIT_EXPR_DEPTH -1
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} $SQLITE_MAX_EXPR_DEPTH
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do_test sqllimits1-3.5 {
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sqlite3_limit db2 SQLITE_LIMIT_COMPOUND_SELECT -1
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} $SQLITE_MAX_COMPOUND_SELECT
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do_test sqllimits1-3.6 {
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sqlite3_limit db2 SQLITE_LIMIT_VDBE_OP -1
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} $SQLITE_MAX_VDBE_OP
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do_test sqllimits1-3.7 {
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sqlite3_limit db2 SQLITE_LIMIT_FUNCTION_ARG -1
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} $SQLITE_MAX_FUNCTION_ARG
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do_test sqllimits1-3.8 {
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sqlite3_limit db2 SQLITE_LIMIT_ATTACHED -1
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} $SQLITE_MAX_ATTACHED
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do_test sqllimits1-3.9 {
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sqlite3_limit db2 SQLITE_LIMIT_LIKE_PATTERN_LENGTH -1
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} $SQLITE_MAX_LIKE_PATTERN_LENGTH
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do_test sqllimits1-3.10 {
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sqlite3_limit db2 SQLITE_LIMIT_VARIABLE_NUMBER -1
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} $SQLITE_MAX_VARIABLE_NUMBER
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db2 close
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# Attempt to set all limits to the maximum 32-bit integer. Verify
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# that the limit does not exceed the compile-time upper bound.
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#
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do_test sqllimits1-4.1.1 {
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sqlite3_limit db SQLITE_LIMIT_LENGTH 0x7fffffff
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sqlite3_limit db SQLITE_LIMIT_LENGTH -1
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} $SQLITE_MAX_LENGTH
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do_test sqllimits1-4.2.1 {
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sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH 0x7fffffff
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sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH -1
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} $SQLITE_MAX_SQL_LENGTH
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do_test sqllimits1-4.3.1 {
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sqlite3_limit db SQLITE_LIMIT_COLUMN 0x7fffffff
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sqlite3_limit db SQLITE_LIMIT_COLUMN -1
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} $SQLITE_MAX_COLUMN
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do_test sqllimits1-4.4.1 {
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sqlite3_limit db SQLITE_LIMIT_EXPR_DEPTH 0x7fffffff
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sqlite3_limit db SQLITE_LIMIT_EXPR_DEPTH -1
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} $SQLITE_MAX_EXPR_DEPTH
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do_test sqllimits1-4.5.1 {
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sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT 0x7fffffff
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sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT -1
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} $SQLITE_MAX_COMPOUND_SELECT
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do_test sqllimits1-4.6.1 {
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sqlite3_limit db SQLITE_LIMIT_VDBE_OP 0x7fffffff
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sqlite3_limit db SQLITE_LIMIT_VDBE_OP -1
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} $SQLITE_MAX_VDBE_OP
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do_test sqllimits1-4.7.1 {
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sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG 0x7fffffff
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sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG -1
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} $SQLITE_MAX_FUNCTION_ARG
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do_test sqllimits1-4.8.1 {
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sqlite3_limit db SQLITE_LIMIT_ATTACHED 0x7fffffff
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sqlite3_limit db SQLITE_LIMIT_ATTACHED -1
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} $SQLITE_MAX_ATTACHED
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do_test sqllimits1-4.9.1 {
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sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH 0x7fffffff
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sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH -1
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} $SQLITE_MAX_LIKE_PATTERN_LENGTH
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do_test sqllimits1-4.10.1 {
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sqlite3_limit db SQLITE_LIMIT_VARIABLE_NUMBER 0x7fffffff
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sqlite3_limit db SQLITE_LIMIT_VARIABLE_NUMBER -1
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} $SQLITE_MAX_VARIABLE_NUMBER
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#--------------------------------------------------------------------
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# Test cases sqllimits1-5.* test that the SQLITE_MAX_LENGTH limit
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# is enforced.
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#
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# EVIDENCE-OF: R-61987-00541 SQLITE_LIMIT_LENGTH The maximum size of any
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# string or BLOB or table row, in bytes.
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#
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db close
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sqlite3 db test.db
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set LARGESIZE 99999
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set SQLITE_LIMIT_LENGTH 100000
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sqlite3_limit db SQLITE_LIMIT_LENGTH $SQLITE_LIMIT_LENGTH
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do_test sqllimits1-5.1.1 {
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catchsql { SELECT randomblob(2147483647) }
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} {1 {string or blob too big}}
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do_test sqllimits1-5.1.2 {
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catchsql { SELECT zeroblob(2147483647) }
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} {1 {string or blob too big}}
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do_test sqllimits1-5.2 {
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catchsql { SELECT LENGTH(randomblob($::LARGESIZE)) }
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} [list 0 $LARGESIZE]
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do_test sqllimits1-5.3 {
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catchsql { SELECT quote(randomblob($::LARGESIZE)) }
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} {1 {string or blob too big}}
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do_test sqllimits1-5.4 {
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catchsql { SELECT LENGTH(zeroblob($::LARGESIZE)) }
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} [list 0 $LARGESIZE]
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do_test sqllimits1-5.5 {
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catchsql { SELECT quote(zeroblob($::LARGESIZE)) }
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} {1 {string or blob too big}}
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do_test sqllimits1-5.6 {
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catchsql { SELECT zeroblob(-1) }
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} {0 {{}}}
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do_test sqllimits1-5.9 {
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set ::str [string repeat A 65537]
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set ::rep [string repeat B 65537]
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catchsql { SELECT replace($::str, 'A', $::rep) }
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} {1 {string or blob too big}}
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do_test sqllimits1-5.10 {
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# Prior to 3.37.0 strftime() allocated a large static buffer into
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# which to format its output. Using that strategy, 2100 repeats was
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# enough to exceed 100KiB and provoke the error. As of 3.37.0 strftime()
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# uses the StrAccum functions, so it requires 12100 to fail.
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#
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# set ::str [string repeat %J 2100]
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set ::str [string repeat %J 12100]
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catchsql { SELECT length(strftime($::str, '2003-10-31')) }
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} {1 {string or blob too big}}
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do_test sqllimits1-5.11 {
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set ::str1 [string repeat A [expr {$SQLITE_LIMIT_LENGTH - 10}]]
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set ::str2 [string repeat B [expr {$SQLITE_LIMIT_LENGTH - 10}]]
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catchsql { SELECT $::str1 || $::str2 }
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} {1 {string or blob too big}}
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do_test sqllimits1-5.12 {
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set ::str1 [string repeat ' [expr {$SQLITE_LIMIT_LENGTH - 10}]]
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catchsql { SELECT quote($::str1) }
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} {1 {string or blob too big}}
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do_test sqllimits1-5.13 {
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set ::str1 [string repeat ' [expr {$SQLITE_LIMIT_LENGTH - 10}]]
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catchsql { SELECT hex($::str1) }
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} {1 {string or blob too big}}
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do_test sqllimits1-5.14.1 {
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set ::STMT [sqlite3_prepare db "SELECT ?" -1 TAIL]
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sqlite3_bind_zeroblob $::STMT 1 [expr {$SQLITE_LIMIT_LENGTH + 1}]
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} {}
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do_test sqllimits1-5.14.2 {
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sqlite3_step $::STMT
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} {SQLITE_ERROR}
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do_test sqllimits1-5.14.3 {
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sqlite3_reset $::STMT
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} {SQLITE_TOOBIG}
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do_test sqllimits1-5.14.4 {
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set np1 [expr {$SQLITE_LIMIT_LENGTH + 1}]
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set ::str1 [string repeat A $np1]
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catch {sqlite3_bind_text $::STMT 1 $::str1 -1} res
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set res
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} {SQLITE_TOOBIG}
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ifcapable utf16 {
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do_test sqllimits1-5.14.5 {
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catch {sqlite3_bind_text16 $::STMT 1 $::str1 -1} res
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set res
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} {SQLITE_TOOBIG}
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}
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do_test sqllimits1-5.14.6 {
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catch {sqlite3_bind_text $::STMT 1 $::str1 $np1} res
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set res
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} {SQLITE_TOOBIG}
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ifcapable utf16 {
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do_test sqllimits1-5.14.7 {
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catch {sqlite3_bind_text16 $::STMT 1 $::str1 [expr $np1+1]} res
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set res
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} {SQLITE_TOOBIG}
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}
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do_test sqllimits1-5.14.8 {
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set n [expr {$np1-1}]
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catch {sqlite3_bind_text $::STMT 1 $::str1 $n} res
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set res
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} {}
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do_test sqllimits1-5.14.9 {
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catch {sqlite3_bind_text16 $::STMT 1 $::str1 $n} res
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set res
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} {}
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sqlite3_finalize $::STMT
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do_test sqllimits1-5.15 {
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execsql {
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CREATE TABLE t4(x);
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INSERT INTO t4 VALUES(1);
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INSERT INTO t4 VALUES(2);
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INSERT INTO t4 SELECT 2+x FROM t4;
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}
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catchsql {
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SELECT group_concat(hex(randomblob(20000))) FROM t4;
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}
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} {1 {string or blob too big}}
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db eval {DROP TABLE t4}
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sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH 0x7fffffff
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set strvalue [string repeat A $::SQLITE_LIMIT_LENGTH]
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do_test sqllimits1-5.16 {
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catchsql "SELECT '$strvalue' AS x"
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} [list 0 $strvalue]
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do_test sqllimits1-5.17.1 {
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catchsql "SELECT 'A$strvalue'"
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} [list 1 {string or blob too big}]
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do_test sqllimits1-5.17.2 {
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sqlite3_limit db SQLITE_LIMIT_LENGTH 0x7fffffff
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catchsql {SELECT 'A' || $::strvalue}
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} [list 0 A$strvalue]
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do_test sqllimits1-5.17.3 {
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sqlite3_limit db SQLITE_LIMIT_LENGTH $SQLITE_LIMIT_LENGTH
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catchsql {SELECT 'A' || $::strvalue}
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} [list 1 {string or blob too big}]
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set blobvalue [string repeat 41 $::SQLITE_LIMIT_LENGTH]
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do_test sqllimits1-5.18 {
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catchsql "SELECT x'$blobvalue' AS x"
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} [list 0 $strvalue]
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do_test sqllimits1-5.19 {
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catchsql "SELECT '41$blobvalue'"
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} [list 1 {string or blob too big}]
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unset blobvalue
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ifcapable datetime {
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set strvalue [string repeat D [expr {$SQLITE_LIMIT_LENGTH-11}]]
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do_test sqllimits1-5.20 {
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catchsql {SELECT strftime('%Y ' || $::strvalue, '2008-01-02')}
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} [list 0 [list "2008 $strvalue"]]
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do_test sqllimits1-5.21 {
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catchsql {SELECT strftime('%Y-%m-%d ' || $::strvalue, '2008-01-02')}
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} {1 {string or blob too big}}
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}
|
|
unset strvalue
|
|
|
|
#--------------------------------------------------------------------
|
|
# Test cases sqllimits1-6.* test that the SQLITE_MAX_SQL_LENGTH limit
|
|
# is enforced.
|
|
#
|
|
# EVIDENCE-OF: R-09808-17554 SQLITE_LIMIT_SQL_LENGTH The maximum length
|
|
# of an SQL statement, in bytes.
|
|
#
|
|
do_test sqllimits1-6.1 {
|
|
sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH 50000
|
|
set sql "SELECT 1 WHERE 1==1"
|
|
set tail " /* A comment to take up space in order to make the string\
|
|
longer without increasing the expression depth */\
|
|
AND 1 == 1"
|
|
set N [expr {(50000 / [string length $tail])+1}]
|
|
append sql [string repeat $tail $N]
|
|
catchsql $sql
|
|
} {1 {string or blob too big}}
|
|
do_test sqllimits1-6.3 {
|
|
sqlite3_limit db SQLITE_LIMIT_SQL_LENGTH 50000
|
|
set sql "SELECT 1 WHERE 1==1"
|
|
set tail " /* A comment to take up space in order to make the string\
|
|
longer without increasing the expression depth */\
|
|
AND 1 == 1"
|
|
set N [expr {(50000 / [string length $tail])+1}]
|
|
append sql [string repeat $tail $N]
|
|
set nbytes [string length $sql]
|
|
append sql { AND 0}
|
|
set rc [catch {sqlite3_prepare db $sql $nbytes TAIL} STMT]
|
|
lappend rc $STMT
|
|
} {1 {(18) statement too long}}
|
|
do_test sqllimits1-6.4 {
|
|
sqlite3_errmsg db
|
|
} {statement too long}
|
|
|
|
#--------------------------------------------------------------------
|
|
# Test cases sqllimits1-7.* test that the limit set using the
|
|
# max_page_count pragma.
|
|
#
|
|
do_test sqllimits1-7.1 {
|
|
execsql {
|
|
PRAGMA max_page_count = 1000;
|
|
}
|
|
} {1000}
|
|
do_test sqllimits1-7.2 {
|
|
execsql { CREATE TABLE trig (a INTEGER, b INTEGER); }
|
|
|
|
# Set up a tree of triggers to fire when a row is inserted
|
|
# into table "trig".
|
|
#
|
|
# INSERT -> insert_b -> update_b -> insert_a -> update_a (chain 1)
|
|
# -> update_a -> insert_a -> update_b (chain 2)
|
|
# -> insert_a -> update_b -> insert_b -> update_a (chain 3)
|
|
# -> update_a -> insert_b -> update_b (chain 4)
|
|
#
|
|
# Table starts with N rows.
|
|
#
|
|
# Chain 1: insert_b (update N rows)
|
|
# -> update_b (insert 1 rows)
|
|
# -> insert_a (update N rows)
|
|
# -> update_a (insert 1 rows)
|
|
#
|
|
# chains 2, 3 and 4 are similar. Each inserts more than N^2 rows, where
|
|
# N is the number of rows at the conclusion of the previous chain.
|
|
#
|
|
# Therefore, a single insert adds (N^16 plus some) rows to the database.
|
|
# A really long loop...
|
|
#
|
|
execsql {
|
|
CREATE TRIGGER update_b BEFORE UPDATE ON trig
|
|
FOR EACH ROW BEGIN
|
|
INSERT INTO trig VALUES (65, 'update_b');
|
|
END;
|
|
|
|
CREATE TRIGGER update_a AFTER UPDATE ON trig
|
|
FOR EACH ROW BEGIN
|
|
INSERT INTO trig VALUES (65, 'update_a');
|
|
END;
|
|
|
|
CREATE TRIGGER insert_b BEFORE INSERT ON trig
|
|
FOR EACH ROW BEGIN
|
|
UPDATE trig SET a = 1;
|
|
END;
|
|
|
|
CREATE TRIGGER insert_a AFTER INSERT ON trig
|
|
FOR EACH ROW BEGIN
|
|
UPDATE trig SET a = 1;
|
|
END;
|
|
}
|
|
} {}
|
|
|
|
do_test sqllimits1-7.3 {
|
|
execsql {
|
|
INSERT INTO trig VALUES (1,1);
|
|
}
|
|
} {}
|
|
|
|
do_test sqllimits1-7.4 {
|
|
execsql {
|
|
SELECT COUNT(*) FROM trig;
|
|
}
|
|
} {7}
|
|
|
|
# This tries to insert so many rows it fills up the database (limited
|
|
# to 1MB, so not that noteworthy an achievement).
|
|
#
|
|
do_test sqllimits1-7.5 {
|
|
catchsql {
|
|
INSERT INTO trig VALUES (1,10);
|
|
}
|
|
} {1 {database or disk is full}}
|
|
|
|
do_test sqllimits1-7.6 {
|
|
catchsql {
|
|
SELECT COUNT(*) FROM trig;
|
|
}
|
|
} {0 7}
|
|
|
|
# Now check the response of the library to opening a file larger than
|
|
# the current max_page_count value. The response is to change the
|
|
# internal max_page_count value to match the actual size of the file.
|
|
if {[db eval {PRAGMA auto_vacuum}]} {
|
|
set fsize 1700
|
|
} else {
|
|
set fsize 1691
|
|
}
|
|
do_test sqllimits1-7.7.1 {
|
|
execsql {
|
|
PRAGMA max_page_count = 1000000;
|
|
CREATE TABLE abc(a, b, c);
|
|
INSERT INTO abc VALUES(1, 2, 3);
|
|
INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
|
|
INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
|
|
INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
|
|
INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
|
|
INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
|
|
INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
|
|
INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
|
|
INSERT INTO abc SELECT a||b||c, b||c||a, c||a||b FROM abc;
|
|
INSERT INTO abc SELECT a, b, c FROM abc;
|
|
INSERT INTO abc SELECT b, a, c FROM abc;
|
|
INSERT INTO abc SELECT c, b, a FROM abc;
|
|
}
|
|
expr [file size test.db] / 1024
|
|
} $fsize
|
|
do_test sqllimits1-7.7.2 {
|
|
db close
|
|
sqlite3 db test.db
|
|
execsql {
|
|
PRAGMA max_page_count = 1000;
|
|
}
|
|
execsql {
|
|
SELECT count(*) FROM sqlite_master;
|
|
}
|
|
} {6}
|
|
do_test sqllimits1-7.7.3 {
|
|
execsql {
|
|
PRAGMA max_page_count;
|
|
}
|
|
} $fsize
|
|
do_test sqllimits1-7.7.4 {
|
|
execsql {
|
|
DROP TABLE abc;
|
|
}
|
|
} {}
|
|
|
|
#--------------------------------------------------------------------
|
|
# Test cases sqllimits1-8.* test the SQLITE_MAX_COLUMN limit.
|
|
#
|
|
# EVIDENCE-OF: R-43996-29471 SQLITE_LIMIT_COLUMN The maximum number of
|
|
# columns in a table definition or in the result set of a SELECT or the
|
|
# maximum number of columns in an index or in an ORDER BY or GROUP BY
|
|
# clause.
|
|
#
|
|
set SQLITE_LIMIT_COLUMN 200
|
|
sqlite3_limit db SQLITE_LIMIT_COLUMN $SQLITE_LIMIT_COLUMN
|
|
do_test sqllimits1-8.1 {
|
|
# Columns in a table.
|
|
set cols [list]
|
|
for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
|
|
lappend cols "c$i"
|
|
}
|
|
catchsql "CREATE TABLE t([join $cols ,])"
|
|
} {1 {too many columns on t}}
|
|
|
|
do_test sqllimits1-8.2 {
|
|
# Columns in the result-set of a SELECT.
|
|
set cols [list]
|
|
for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
|
|
lappend cols "sql AS sql$i"
|
|
}
|
|
catchsql "SELECT [join $cols ,] FROM sqlite_master"
|
|
} {1 {too many columns in result set}}
|
|
|
|
do_test sqllimits1-8.3 {
|
|
# Columns in the result-set of a sub-SELECT.
|
|
set cols [list]
|
|
for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
|
|
lappend cols "sql AS sql$i"
|
|
}
|
|
catchsql "SELECT sql4 FROM (SELECT [join $cols ,] FROM sqlite_master)"
|
|
} {1 {too many columns in result set}}
|
|
|
|
do_test sqllimits1-8.4 {
|
|
# Columns in an index.
|
|
set cols [list]
|
|
for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
|
|
lappend cols c
|
|
}
|
|
set sql1 "CREATE TABLE t1(c);"
|
|
set sql2 "CREATE INDEX i1 ON t1([join $cols ,]);"
|
|
catchsql "$sql1 ; $sql2"
|
|
} {1 {too many columns in index}}
|
|
|
|
do_test sqllimits1-8.5 {
|
|
# Columns in a GROUP BY clause.
|
|
catchsql "SELECT * FROM t1 GROUP BY [join $cols ,]"
|
|
} {1 {too many terms in GROUP BY clause}}
|
|
|
|
do_test sqllimits1-8.6 {
|
|
# Columns in an ORDER BY clause.
|
|
catchsql "SELECT * FROM t1 ORDER BY [join $cols ,]"
|
|
} {1 {too many terms in ORDER BY clause}}
|
|
|
|
do_test sqllimits1-8.7 {
|
|
# Assignments in an UPDATE statement.
|
|
set cols [list]
|
|
for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
|
|
lappend cols "c = 1"
|
|
}
|
|
catchsql "UPDATE t1 SET [join $cols ,];"
|
|
} {1 {too many columns in set list}}
|
|
|
|
do_test sqllimits1-8.8 {
|
|
# Columns in a view definition:
|
|
set cols [list]
|
|
for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
|
|
lappend cols "c$i"
|
|
}
|
|
execsql "CREATE VIEW v1 AS SELECT [join $cols ,] FROM t1;"
|
|
catchsql {SELECT * FROM v1}
|
|
} {1 {too many columns in result set}}
|
|
|
|
do_test sqllimits1-8.9 {
|
|
# Columns in a view definition (testing * expansion):
|
|
set cols [list]
|
|
for {set i 0} {$i < $SQLITE_LIMIT_COLUMN} {incr i} {
|
|
lappend cols "c$i"
|
|
}
|
|
execsql {DROP VIEW IF EXISTS v1}
|
|
catchsql "CREATE TABLE t2([join $cols ,])"
|
|
catchsql "CREATE VIEW v1 AS SELECT *, c1 AS o FROM t2;"
|
|
catchsql "SELECT * FROM v1"
|
|
} {1 {too many columns in result set}}
|
|
|
|
do_test sqllimits1-8.10 {
|
|
# ORDER BY columns
|
|
set cols [list]
|
|
for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
|
|
lappend cols c
|
|
}
|
|
set sql "SELECT c FROM t1 ORDER BY [join $cols ,]"
|
|
catchsql $sql
|
|
} {1 {too many terms in ORDER BY clause}}
|
|
do_test sqllimits1-8.11 {
|
|
# ORDER BY columns
|
|
set cols [list]
|
|
for {set i 0} {$i <= $SQLITE_LIMIT_COLUMN} {incr i} {
|
|
lappend cols [expr {$i%3 + 1}]
|
|
}
|
|
set sql "SELECT c, c+1, c+2 FROM t1 UNION SELECT c-1, c-2, c-3 FROM t1"
|
|
append sql " ORDER BY [join $cols ,]"
|
|
catchsql $sql
|
|
} {1 {too many terms in ORDER BY clause}}
|
|
|
|
|
|
#--------------------------------------------------------------------
|
|
# These tests - sqllimits1-9.* - test that the SQLITE_LIMIT_EXPR_DEPTH
|
|
# limit is enforced. The limit refers to the number of terms in
|
|
# the expression.
|
|
#
|
|
# EVIDENCE-OF: R-12723-08526 SQLITE_LIMIT_EXPR_DEPTH The maximum depth
|
|
# of the parse tree on any expression.
|
|
#
|
|
if {$SQLITE_MAX_EXPR_DEPTH==0} {
|
|
puts -nonewline stderr "WARNING: Compile with -DSQLITE_MAX_EXPR_DEPTH to run "
|
|
puts stderr "tests sqllimits1-9.X"
|
|
} else {
|
|
do_test sqllimits1-9.1 {
|
|
set max $::SQLITE_MAX_EXPR_DEPTH
|
|
set expr "(1 [string repeat {AND 1 } $max])"
|
|
catchsql [subst {
|
|
SELECT $expr
|
|
}]
|
|
} "1 {Expression tree is too large (maximum depth $::SQLITE_MAX_EXPR_DEPTH)}"
|
|
|
|
if 0 {
|
|
# Attempting to beat the expression depth limit using nested SELECT
|
|
# queries causes a parser stack overflow.
|
|
do_test sqllimits1-9.2 {
|
|
set max $::SQLITE_MAX_EXPR_DEPTH
|
|
set expr "SELECT 1"
|
|
for {set i 0} {$i <= $max} {incr i} {
|
|
set expr "SELECT ($expr)"
|
|
}
|
|
catchsql [subst { $expr }]
|
|
} "1 {parser stack overflow}"
|
|
|
|
do_test sqllimits1-9.3 {
|
|
execsql {
|
|
PRAGMA max_page_count = 1000000; -- 1 GB
|
|
CREATE TABLE v0(a);
|
|
INSERT INTO v0 VALUES(1);
|
|
}
|
|
db transaction {
|
|
for {set i 1} {$i < 200} {incr i} {
|
|
set expr "(a [string repeat {AND 1 } 50]) AS a"
|
|
execsql [subst {
|
|
CREATE VIEW v${i} AS SELECT $expr FROM v[expr {$i-1}]
|
|
}]
|
|
}
|
|
}
|
|
} {}
|
|
|
|
do_test sqllimits1-9.4 {
|
|
catchsql {
|
|
SELECT a FROM v199
|
|
}
|
|
} "1 {Expression tree is too large (maximum depth $::SQLITE_MAX_EXPR_DEPTH)}"
|
|
}
|
|
}
|
|
|
|
#--------------------------------------------------------------------
|
|
# Test cases sqllimits1-10.* test that the SQLITE_MAX_VDBE_OP
|
|
# limit works as expected. The limit refers to the number of opcodes
|
|
# in a single VDBE program.
|
|
#
|
|
# TODO
|
|
|
|
#--------------------------------------------------------------------
|
|
# Test the SQLITE_LIMIT_FUNCTION_ARG limit works. Test case names
|
|
# match the pattern "sqllimits1-11.*".
|
|
#
|
|
# EVIDENCE-OF: R-59001-45278 SQLITE_LIMIT_FUNCTION_ARG The maximum
|
|
# number of arguments on a function.
|
|
#
|
|
for {set max 5} {$max<=$SQLITE_MAX_FUNCTION_ARG} {incr max} {
|
|
do_test sqllimits1-11.$max.1 {
|
|
set vals [list]
|
|
sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG $::max
|
|
for {set i 0} {$i < $::max} {incr i} {
|
|
lappend vals $i
|
|
}
|
|
catchsql "SELECT max([join $vals ,])"
|
|
} "0 [expr {$::max - 1}]"
|
|
do_test sqllimits1-11.$max.2 {
|
|
set vals [list]
|
|
for {set i 0} {$i <= $::max} {incr i} {
|
|
lappend vals $i
|
|
}
|
|
catchsql "SELECT max([join $vals ,])"
|
|
} {1 {too many arguments on function max}}
|
|
|
|
# Test that it is SQLite, and not the implementation of the
|
|
# user function that is throwing the error.
|
|
proc myfunc {args} {error "I don't like to be called!"}
|
|
do_test sqllimits1-11.$max.2 {
|
|
db function myfunc myfunc
|
|
set vals [list]
|
|
for {set i 0} {$i <= $::max} {incr i} {
|
|
lappend vals $i
|
|
}
|
|
catchsql "SELECT myfunc([join $vals ,])"
|
|
} {1 {too many arguments on function myfunc}}
|
|
}
|
|
|
|
#--------------------------------------------------------------------
|
|
# Test cases sqllimits1-12.*: Test the SQLITE_MAX_ATTACHED limit.
|
|
#
|
|
# EVIDENCE-OF: R-41778-26203 SQLITE_LIMIT_ATTACHED The maximum number of
|
|
# attached databases.
|
|
#
|
|
ifcapable attach {
|
|
do_test sqllimits1-12.1 {
|
|
set max $::SQLITE_MAX_ATTACHED
|
|
for {set i 0} {$i < ($max)} {incr i} {
|
|
forcedelete test${i}.db test${i}.db-journal
|
|
}
|
|
for {set i 0} {$i < ($max)} {incr i} {
|
|
execsql "ATTACH 'test${i}.db' AS aux${i}"
|
|
}
|
|
catchsql "ATTACH 'test${i}.db' AS aux${i}"
|
|
} "1 {too many attached databases - max $::SQLITE_MAX_ATTACHED}"
|
|
do_test sqllimits1-12.2 {
|
|
set max $::SQLITE_MAX_ATTACHED
|
|
for {set i 0} {$i < ($max)} {incr i} {
|
|
execsql "DETACH aux${i}"
|
|
}
|
|
} {}
|
|
}
|
|
|
|
#--------------------------------------------------------------------
|
|
# Test cases sqllimits1-13.*: Check that the SQLITE_MAX_VARIABLE_NUMBER
|
|
# limit works.
|
|
#
|
|
# EVIDENCE-OF: R-42363-29104 SQLITE_LIMIT_VARIABLE_NUMBER The maximum
|
|
# index number of any parameter in an SQL statement.
|
|
#
|
|
do_test sqllimits1-13.1 {
|
|
set max $::SQLITE_MAX_VARIABLE_NUMBER
|
|
catchsql "SELECT ?[expr {$max+1}] FROM t1"
|
|
} "1 {variable number must be between ?1 and ?$::SQLITE_MAX_VARIABLE_NUMBER}"
|
|
do_test sqllimits1-13.2 {
|
|
set max $::SQLITE_MAX_VARIABLE_NUMBER
|
|
set vals [list]
|
|
for {set i 0} {$i < ($max+3)} {incr i} {
|
|
lappend vals ?
|
|
}
|
|
catchsql "SELECT [join $vals ,] FROM t1"
|
|
} "1 {too many SQL variables}"
|
|
|
|
|
|
#--------------------------------------------------------------------
|
|
# Test cases sqllimits1-15.* verify that the
|
|
# SQLITE_MAX_LIKE_PATTERN_LENGTH limit is enforced. This limit only
|
|
# applies to the built-in LIKE operator, supplying an external
|
|
# implementation by overriding the like() scalar function bypasses
|
|
# this limitation.
|
|
#
|
|
# EVIDENCE-OF: R-12940-37052 SQLITE_LIMIT_LIKE_PATTERN_LENGTH The
|
|
# maximum length of the pattern argument to the LIKE or GLOB operators.
|
|
#
|
|
# These tests check that the limit is not incorrectly applied to
|
|
# the left-hand-side of the LIKE operator (the string being tested
|
|
# against the pattern).
|
|
#
|
|
set SQLITE_LIMIT_LIKE_PATTERN 1000
|
|
sqlite3_limit db SQLITE_LIMIT_LIKE_PATTERN_LENGTH $SQLITE_LIMIT_LIKE_PATTERN
|
|
do_test sqllimits1-15.1 {
|
|
set max $::SQLITE_LIMIT_LIKE_PATTERN
|
|
set ::pattern [string repeat "A%" [expr $max/2]]
|
|
set ::string [string repeat "A" [expr {$max*2}]]
|
|
execsql {
|
|
SELECT $::string LIKE $::pattern;
|
|
}
|
|
} {1}
|
|
do_test sqllimits1-15.2 {
|
|
set max $::SQLITE_LIMIT_LIKE_PATTERN
|
|
set ::pattern [string repeat "A%" [expr {($max/2) + 1}]]
|
|
set ::string [string repeat "A" [expr {$max*2}]]
|
|
catchsql {
|
|
SELECT $::string LIKE $::pattern;
|
|
}
|
|
} {1 {LIKE or GLOB pattern too complex}}
|
|
|
|
#--------------------------------------------------------------------
|
|
# This test case doesn't really belong with the other limits tests.
|
|
# It is in this file because it is taxing to run, like the limits tests.
|
|
#
|
|
# Update for 3.37.0: strftime() used to allocate a large static buffer
|
|
# into which it would write its result. With that implementation, the
|
|
# following would trigger an SQLITE_TOOBIG error. But strftime() now
|
|
# uses the StrAccum functions, causing this test to fail.
|
|
#
|
|
#do_test sqllimits1-16.1 {
|
|
# set ::N [expr int(([expr pow(2,32)]/50) + 1)]
|
|
# expr (($::N*50) & 0xffffffff)<55
|
|
#} {1}
|
|
#do_test sqllimits1-16.2 {
|
|
# set ::format "[string repeat A 60][string repeat "%J" $::N]"
|
|
# catchsql {
|
|
# SELECT strftime($::format, 1);
|
|
# }
|
|
#} {1 {string or blob too big}}
|
|
|
|
do_catchsql_test sqllimits1.17.0 {
|
|
SELECT *,*,*,*,*,*,*,* FROM (
|
|
SELECT *,*,*,*,*,*,*,* FROM (
|
|
SELECT *,*,*,*,*,*,*,* FROM (
|
|
SELECT *,*,*,*,*,*,*,* FROM (
|
|
SELECT *,*,*,*,*,*,*,* FROM (
|
|
SELECT 1,2,3,4,5,6,7,8,9,10
|
|
)
|
|
))))
|
|
} "1 {too many columns in result set}"
|
|
|
|
|
|
foreach {key value} [array get saved] {
|
|
catch {set $key $value}
|
|
}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# At one point the following caused an assert() to fail.
|
|
#
|
|
sqlite3_limit db SQLITE_LIMIT_LENGTH 10000
|
|
set nm [string repeat x 10000]
|
|
do_catchsql_test sqllimits1-17.1 "
|
|
CREATE TABLE $nm (x PRIMARY KEY)
|
|
" {1 {string or blob too big}}
|
|
|
|
#-------------------------------------------------------------------------
|
|
#
|
|
sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT 10
|
|
do_catchsql_test sqllimits1-18.1 {
|
|
CREATE TABLE b1(x);
|
|
INSERT INTO b1 VALUES(1), (2), (3), (4), (5), (6), (7), (8), (9), (10), (11);
|
|
} {0 {}}
|
|
|
|
do_catchsql_test sqllimits1-18.2 {
|
|
INSERT INTO b1 VALUES(1), (2), (3), (4), (5), (6), (7), (8), (9), (10)
|
|
UNION VALUES(11);
|
|
} {0 {}}
|
|
|
|
#-------------------------------------------------------------------------
|
|
#
|
|
reset_db
|
|
ifcapable utf16 {
|
|
do_execsql_test 19.0 {
|
|
PRAGMA encoding = 'utf16';
|
|
}
|
|
set bigstr [string repeat abcdefghij 5000]
|
|
set bigstr16 [encoding convertto unicode $bigstr]
|
|
|
|
do_test 19.1 {
|
|
string length $bigstr16
|
|
} {100000}
|
|
|
|
do_test 19.2 {
|
|
set ::stmt [sqlite3_prepare db "SELECT length( ? )" -1 TAIL]
|
|
sqlite3_bind_text16 $::stmt 1 $bigstr16 100000
|
|
sqlite3_step $::stmt
|
|
set val [sqlite3_column_int $::stmt 0]
|
|
sqlite3_finalize $::stmt
|
|
set val
|
|
} {50000}
|
|
|
|
sqlite3_limit db SQLITE_LIMIT_LENGTH 100000
|
|
|
|
do_test 19.3 {
|
|
set ::stmt [sqlite3_prepare db "SELECT length( ? )" -1 TAIL]
|
|
sqlite3_bind_text16 $::stmt 1 $bigstr16 100000
|
|
sqlite3_step $::stmt
|
|
set val [sqlite3_column_int $::stmt 0]
|
|
sqlite3_finalize $::stmt
|
|
set val
|
|
} {50000}
|
|
|
|
sqlite3_limit db SQLITE_LIMIT_LENGTH 99999
|
|
|
|
do_test 19.4 {
|
|
set ::stmt [sqlite3_prepare db "SELECT length( ? )" -1 TAIL]
|
|
list [catch { sqlite3_bind_text16 $::stmt 1 $bigstr16 100000 } msg] $msg
|
|
} {1 SQLITE_TOOBIG}
|
|
sqlite3_finalize $::stmt
|
|
|
|
sqlite3_limit db SQLITE_LIMIT_LENGTH 100000
|
|
|
|
do_test 19.5 {
|
|
set ::stmt [sqlite3_prepare db "SELECT length( ? )" -1 TAIL]
|
|
list [catch { sqlite3_bind_text16 $::stmt 1 $bigstr16 100002 } msg] $msg
|
|
} {1 SQLITE_TOOBIG}
|
|
sqlite3_finalize $::stmt
|
|
}
|
|
|
|
finish_test
|