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			277 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			277 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2010 October 20
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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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| #
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| 
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| set testdir [file dirname $argv0]
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| source $testdir/tester.tcl
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| 
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| ifcapable !incrblob {
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|   finish_test
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|   return
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| }
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| 
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| sqlite3 db test.db
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| sqlite3_db_config_lookaside db 0 0 0
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| 
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| do_execsql_test incrblob3-1.1 {
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|   CREATE TABLE blobs(k INTEGER PRIMARY KEY, v BLOB);
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|   INSERT INTO blobs VALUES(1, zeroblob(100));
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|   INSERT INTO blobs VALUES(2, zeroblob(100));
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| } {}
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| 
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| # Test the sqlite3_blob_reopen()/read()/write() functions.
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| #
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| do_test incrblob3-1.2 {
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|   set ::blob [db incrblob blobs v 1]
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|   puts $::blob "hello world"
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| } {}
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| 
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| do_test incrblob3-1.3 {
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|   sqlite3_blob_reopen $::blob 2
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|   puts $::blob "world hello"
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| } {}
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| 
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| do_test incrblob3-1.4 {
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|   sqlite3_blob_reopen $::blob 1
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|   gets $::blob
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| } {hello world}
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| 
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| do_test incrblob3-1.5 {
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|   sqlite3_blob_reopen $::blob 2
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|   gets $::blob
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| } {world hello}
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| 
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| do_test incrblob3-1.6 { close $::blob } {}
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| 
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| # Test some error conditions.
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| #
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| #   incrblob3-2.1: Attempting to reopen a row that does not exist.
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| #   incrblob3-2.2: Attempting to reopen a row that does not contain a blob
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| #                  or text value.
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| #
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| do_test incrblob3-2.1.1 {
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|   set ::blob [db incrblob blobs v 1]
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|   list [catch {sqlite3_blob_reopen $::blob 3} msg] $msg
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| } {1 SQLITE_ERROR}
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| do_test incrblob3-2.1.2 {
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|   list [sqlite3_errcode db] [sqlite3_errmsg db]
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| } {SQLITE_ERROR {no such rowid: 3}}
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| do_test incrblob3-2.1.3 {
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|   list [catch {sqlite3_blob_reopen $::blob 1} msg] $msg
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| } {1 SQLITE_ABORT}
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| do_test incrblob3-2.1.4 { close $::blob } {}
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| 
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| do_execsql_test incrblob3-2.2.1 {
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|   INSERT INTO blobs VALUES(3, 42);
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|   INSERT INTO blobs VALUES(4, 54.4);
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|   INSERT INTO blobs VALUES(5, NULL);
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| }
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| foreach {tn rowid type} {
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|   1 3 integer
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|   2 4 real
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|   3 5 null
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| } {
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|   do_test incrblob3-2.2.$tn.1 {
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|     set ::blob [db incrblob blobs v 1]
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|     list [catch {sqlite3_blob_reopen $::blob $rowid} msg] $msg
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|   } {1 SQLITE_ERROR}
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|   do_test incrblob3-2.2.$tn.2 {
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|     list [sqlite3_errcode db] [sqlite3_errmsg db]
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|   } "SQLITE_ERROR {cannot open value of type $type}"
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| 
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|   do_test incrblob3-2.2.$tn.3 {
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|     list [catch {sqlite3_blob_reopen $::blob 1} msg] $msg
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|   } {1 SQLITE_ABORT}
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|   do_test incrblob3-2.2.$tn.4 {
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|     list [catch {sqlite3_blob_read $::blob 0 10} msg] $msg
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|   } {1 SQLITE_ABORT}
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|   do_test incrblob3-2.2.$tn.5 {
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|     list [catch {sqlite3_blob_write $::blob 0 "abcd"} msg] $msg
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|   } {1 SQLITE_ABORT}
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|   do_test incrblob3-2.2.$tn.6 {
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|     sqlite3_blob_bytes $::blob
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|   } {0}
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| 
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|   do_test incrblob3-2.2.$tn.7 { close $::blob } {}
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| }
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| 
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| # Test that passing NULL to sqlite3_blob_XXX() APIs returns SQLITE_MISUSE.
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| #
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| #   incrblob3-3.1: sqlite3_blob_reopen()
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| #   incrblob3-3.2: sqlite3_blob_read()
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| #   incrblob3-3.3: sqlite3_blob_write()
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| #   incrblob3-3.4: sqlite3_blob_bytes()
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| #
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| do_test incrblob3-3.1 {
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|   list [catch {sqlite3_blob_reopen {} 3} msg] $msg
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| } {1 SQLITE_MISUSE}
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| 
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| do_test incrblob3-3.2 {
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|   list [catch {sqlite3_blob_read {} 0 10} msg] $msg
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| } {1 SQLITE_MISUSE}
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| 
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| do_test incrblob3-3.3 {
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|   list [catch {sqlite3_blob_write {} 0 "abcd"} msg] $msg
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| } {1 SQLITE_MISUSE}
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| 
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| do_test incrblob3-3.4 { sqlite3_blob_bytes {} } {0}
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| 
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| do_test incrblob3-3.5 { sqlite3_blob_close {} } {}
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| 
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| # Test out-of-range reading and writing
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| #
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| do_test incrblob3-4.1 {
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|   set ::blob [db incrblob blobs v 1]
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|   sqlite3_blob_bytes $::blob
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| } {100}
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| do_test incrblob3-4.2 {
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|   list [catch { sqlite3_blob_read $::blob -1 10 } msg] $msg
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| } {1 SQLITE_ERROR}
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| do_test incrblob3-4.3 {
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|   list [catch { sqlite3_blob_read $::blob 0 -10 } msg] $msg
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| } {1 SQLITE_ERROR}
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| do_test incrblob3-4.4 {
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|   list [catch { sqlite3_blob_read $::blob 95 10 } msg] $msg
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| } {1 SQLITE_ERROR}
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| do_test incrblob3-4.5 {
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|   list [catch { sqlite3_blob_write $::blob -1 "abcdefghij" 10 } msg] $msg
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| } {1 SQLITE_ERROR}
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| do_test incrblob3-4.6 {
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|   list [catch { sqlite3_blob_write $::blob 0 "abcdefghij" -10 } msg] $msg
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| } {1 SQLITE_ERROR}
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| do_test incrblob3-4.7 {
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|   list [catch { sqlite3_blob_write $::blob 95 "abcdefghij" } msg] $msg
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| } {1 SQLITE_ERROR}
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| 
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| do_test incrblob3-4.8 { close $::blob } {}
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| 
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| # Test that modifying the row a blob handle points to aborts the blob.
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| #
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| do_test incrblob3-5.1 {
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|   set ::blob [db incrblob blobs v 1]
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|   sqlite3_blob_bytes $::blob
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| } {100}
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| do_test incrblob3-5.2 {
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|   execsql { UPDATE blobs SET v = '123456789012345678901234567890' WHERE k = 1 }
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|   list [catch { sqlite3_blob_read $::blob 0 10 } msg] $msg
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| } {1 SQLITE_ABORT}
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| 
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| # Test various errors that can occur in sqlite3_blob_open():
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| #
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| #   1. Trying to open a virtual table column.
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| #   2. Trying to open a view column.
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| #   3. Trying to open a column that does not exist.
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| #   4. Trying to open a read/write handle on an indexed column.
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| #   5. Trying to open a read/write handle on the child key of an FK constraint.
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| #
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| ifcapable fts3 {
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|   do_test incrblob3-6.1 {
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|     execsql {
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|       CREATE VIRTUAL TABLE ft USING fts3;
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|       INSERT INTO ft VALUES('rules to open a column to which');
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|     }
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| 
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|     list [catch { db incrblob ft content 1 } msg] $msg
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|   } {1 {cannot open virtual table: ft}}
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| }
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| ifcapable view {
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|   do_test incrblob3-6.2 {
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|     execsql { CREATE VIEW v1 AS SELECT * FROM blobs }
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|     list [catch { db incrblob v1 content 1 } msg] $msg
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|   } {1 {cannot open view: v1}}
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| }
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| 
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| do_test incrblob3-6.3 {
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|   list [catch { db incrblob blobs content 1 } msg] $msg
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| } {1 {no such column: "content"}}
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| 
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| do_test incrblob3-6.4.1 {
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|   execsql { 
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|     CREATE TABLE t1(a, b);
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|     CREATE INDEX i1 ON t1(b);
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|     INSERT INTO t1 VALUES(zeroblob(100), zeroblob(100));
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|   }
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|   list [catch { db incrblob t1 b 1 } msg] $msg
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| } {1 {cannot open indexed column for writing}}
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| do_test incrblob3-6.4.2 {
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|   set ::blob [db incrblob t1 a 1]
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|   close $::blob
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| } {}
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| do_test incrblob3-6.4.3 {
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|   set ::blob [db incrblob -readonly t1 b 1]
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|   close $::blob
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| } {}
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| 
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| do_test incrblob3-6.5.1 {
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|   execsql { 
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|     CREATE TABLE p1(a PRIMARY KEY);
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|     CREATE TABLE c1(a, b REFERENCES p1);
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|     PRAGMA foreign_keys = 1;
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|     INSERT INTO p1 VALUES(zeroblob(100));
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|     INSERT INTO c1 VALUES(zeroblob(100), zeroblob(100));
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|   }
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|   list [catch { db incrblob c1 b 1 } msg] $msg
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| } {1 {cannot open foreign key column for writing}}
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| 
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| do_test incrblob3-6.5.2 {
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|   set ::blob [db incrblob c1 a 1]
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|   close $::blob
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| } {}
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| do_test incrblob3-6.5.3 {
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|   set ::blob [db incrblob -readonly c1 b 1]
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|   close $::blob
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| } {}
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| do_test incrblob3-6.5.4 {
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|   execsql { PRAGMA foreign_keys = 0 }
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|   set ::blob [db incrblob c1 b 1]
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|   close $::blob
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| } {}
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| 
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| 
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| # Test that sqlite3_blob_open() handles transient and persistent schema 
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| # errors correctly.
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| #
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| do_test incrblob3-7.1 {
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|   sqlite3 db2 test.db
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|   sqlite3_db_config_lookaside db2 0 0 0
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|   execsql { CREATE TABLE t2(x) } db2
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|   set ::blob [db incrblob blobs v 1]
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|   close $::blob
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| } {}
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| db2 close
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| 
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| testvfs tvfs -default 1
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| tvfs filter xAccess
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| tvfs script access_method
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| 
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| proc access_method {args} {
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|   set schemacookie [hexio_get_int [hexio_read test.db 40 4]]
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|   incr schemacookie
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|   hexio_write test.db 40 [hexio_render_int32 $schemacookie]
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| 
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|   set dbversion [hexio_get_int [hexio_read test.db 24 4]]
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|   incr dbversion
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|   hexio_write test.db 24 [hexio_render_int32 $dbversion]
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| 
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|   return ""
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| }
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| 
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| do_test incrblob3-7.2 {
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|   sqlite3 db test.db 
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|   sqlite3_db_config_lookaside db 0 0 0
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|   list [catch {db incrblob blobs v 1} msg] $msg
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| } {1 {database schema has changed}}
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| db close
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| tvfs delete
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| 
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| finish_test
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